From 904a2737d41bda6c4ea790b8c3114e99a21e53f5 Mon Sep 17 00:00:00 2001 From: Andras Schmelczer Date: Sat, 28 Mar 2026 11:17:18 +0000 Subject: [PATCH 01/26] Bump deps, improve e2e test and pick up changes in the plugin --- README.md | 8 +- frontend/eslint.config.mjs | 3 +- frontend/obsidian-plugin/README.md | 26 +- frontend/obsidian-plugin/package.json | 22 +- .../obsidian-plugin/src/vault-link-plugin.ts | 8 +- .../views/cursors/remote-cursors-plugin.ts | 3 +- .../src/views/settings/settings-tab.ts | 21 +- frontend/package-lock.json | 5107 ++++++----------- frontend/package.json | 19 +- frontend/test-client/package.json | 10 +- scripts/e2e.sh | 68 +- 11 files changed, 1849 insertions(+), 3446 deletions(-) diff --git a/README.md b/README.md index f5da9b61..74c6ee97 100644 --- a/README.md +++ b/README.md @@ -8,12 +8,12 @@ ## Develop -### Install [nvm](https://github.com/nvm-sh/nvm) +### Set up Node.JS 25 with [nvm](https://github.com/nvm-sh/nvm) - `curl -o- https://raw.githubusercontent.com/nvm-sh/nvm/v0.40.1/install.sh | bash` -- `nvm install 22` -- `nvm use 22` -- Optionally set the system-wide default: `nvm alias default 22` +- `nvm install 25` +- `nvm use 25` +- Optionally, set the system-wide default: `nvm alias default 25` ### Set up Rust diff --git a/frontend/eslint.config.mjs b/frontend/eslint.config.mjs index 1e33ac41..61a8bade 100644 --- a/frontend/eslint.config.mjs +++ b/frontend/eslint.config.mjs @@ -8,7 +8,7 @@ export default [ "sync-client/src/services/types.ts", "**/dist/", "**/*.mjs", - "**/*.js" + "**/*.js", ] }, ...tseslint.config({ @@ -17,6 +17,7 @@ export default [ }, extends: [eslint.configs.recommended, tseslint.configs.all], rules: { + "no-console": "error", "no-unused-vars": "off", "@typescript-eslint/restrict-template-expressions": "off", "@typescript-eslint/no-unused-vars": "off", diff --git a/frontend/obsidian-plugin/README.md b/frontend/obsidian-plugin/README.md index 93c2cba7..68e10a83 100644 --- a/frontend/obsidian-plugin/README.md +++ b/frontend/obsidian-plugin/README.md @@ -8,6 +8,7 @@ The repo depends on the latest plugin API (obsidian.d.ts) in TypeScript Definiti **Note:** The Obsidian API is still in early alpha and is subject to change at any time! This sample plugin demonstrates some of the basic functionality the plugin API can do. + - Adds a ribbon icon, which shows a Notice when clicked. - Adds a command "Open Sample Modal" which opens a Modal. - Adds a plugin setting tab to the settings page. @@ -57,31 +58,6 @@ Quick starting guide for new plugin devs: - Copy over `main.js`, `styles.css`, `manifest.json` to your vault `VaultFolder/.obsidian/plugins/your-plugin-id/`. - -## Funding URL - -You can include funding URLs where people who use your plugin can financially support it. - -The simple way is to set the `fundingUrl` field to your link in your `manifest.json` file: - -```json -{ - "fundingUrl": "https://buymeacoffee.com" -} -``` - -If you have multiple URLs, you can also do: - -```json -{ - "fundingUrl": { - "Buy Me a Coffee": "https://buymeacoffee.com", - "GitHub Sponsor": "https://github.com/sponsors", - "Patreon": "https://www.patreon.com/" - } -} -``` - ## API Documentation See https://github.com/obsidianmd/obsidian-api diff --git a/frontend/obsidian-plugin/package.json b/frontend/obsidian-plugin/package.json index b7ae4909..d24e537b 100644 --- a/frontend/obsidian-plugin/package.json +++ b/frontend/obsidian-plugin/package.json @@ -13,25 +13,25 @@ "author": "", "license": "MIT", "devDependencies": { - "@types/node": "^24.8.1", + "@types/node": "^25.0.2", "css-loader": "^7.1.2", "date-fns": "^4.1.0", "file-loader": "^6.2.0", - "fs-extra": "^11.3.0", - "mini-css-extract-plugin": "^2.9.2", - "obsidian": "1.10.2", - "reconcile-text": "^0.8.0", + "fs-extra": "^11.3.2", + "mini-css-extract-plugin": "^2.9.4", + "obsidian": "1.11.0", + "reconcile-text": "^0.11.0", "resolve-url-loader": "^5.0.0", - "sass": "^1.91.0", + "sass": "^1.96.0", "sass-loader": "^16.0.6", "sync-client": "file:../sync-client", - "terser-webpack-plugin": "^5.3.14", - "ts-loader": "^9.5.2", + "terser-webpack-plugin": "^5.3.16", + "ts-loader": "^9.5.4", "tslib": "2.8.1", - "tsx": "^4.20.6", - "typescript": "5.8.3", + "tsx": "^4.21.0", + "typescript": "5.9.3", "url": "^0.11.4", - "webpack": "^5.99.9", + "webpack": "^5.103.0", "webpack-cli": "^6.0.1" } } diff --git a/frontend/obsidian-plugin/src/vault-link-plugin.ts b/frontend/obsidian-plugin/src/vault-link-plugin.ts index 7d91b9f5..9ad4d2a1 100644 --- a/frontend/obsidian-plugin/src/vault-link-plugin.ts +++ b/frontend/obsidian-plugin/src/vault-link-plugin.ts @@ -135,14 +135,14 @@ export default class VaultLinkPlugin extends Plugin { nativeLineEndings: Platform.isWin ? "\r\n" : "\n", ...(IS_DEBUG_BUILD ? { - fetch: debugging.slowFetchFactory(1), - webSocket: debugging.slowWebSocketFactory(1, new Logger()) - } + fetch: debugging.slowFetchFactory(1), + webSocket: debugging.slowWebSocketFactory(1, new Logger()) + } : {}) }); if (IS_DEBUG_BUILD) { - debugging.logToConsole(client); + debugging.logToConsole(client.logger); } return client; diff --git a/frontend/obsidian-plugin/src/views/cursors/remote-cursors-plugin.ts b/frontend/obsidian-plugin/src/views/cursors/remote-cursors-plugin.ts index 1191d9a2..d6650dcb 100644 --- a/frontend/obsidian-plugin/src/views/cursors/remote-cursors-plugin.ts +++ b/frontend/obsidian-plugin/src/views/cursors/remote-cursors-plugin.ts @@ -132,7 +132,8 @@ export class RemoteCursorsPluginValue implements PluginValue { ] ) }, - edited + edited, + "Markdown" ); reconciled.cursors.forEach(({ id, position }) => { diff --git a/frontend/obsidian-plugin/src/views/settings/settings-tab.ts b/frontend/obsidian-plugin/src/views/settings/settings-tab.ts index 213c0d2c..a0c81522 100644 --- a/frontend/obsidian-plugin/src/views/settings/settings-tab.ts +++ b/frontend/obsidian-plugin/src/views/settings/settings-tab.ts @@ -266,9 +266,8 @@ export class SyncSettingsTab extends PluginSettingTab { new Notice("Checking connection to the server..."); new Notice( - ( - await this.syncClient.checkConnection() - ).serverMessage + (await this.syncClient.checkConnection()) + .serverMessage ); await this.statusDescription.updateConnectionState(); } else { @@ -351,22 +350,6 @@ export class SyncSettingsTab extends PluginSettingTab { }) ); - new Setting(containerEl) - .setName("Sync concurrency") - .setDesc( - "How many concurrent sync operations to run. Setting this value higher may increase the overall performance, however, it will require more memory as well. If you notice frequent crashes, especially on mobile, set this to 1." - ) - .addSlider((text) => - text - .setLimits(1, 16, 1) - .setDynamicTooltip() - .setInstant(false) - .setValue(this.syncClient.getSettings().syncConcurrency) - .onChange(async (value) => - this.syncClient.setSetting("syncConcurrency", value) - ) - ); - new Setting(containerEl) .setName("Maximum file size to be uploaded (MB)") .setDesc( diff --git a/frontend/package-lock.json b/frontend/package-lock.json index 4d8218ba..6b8d31f3 100644 --- a/frontend/package-lock.json +++ b/frontend/package-lock.json @@ -9,35 +9,57 @@ "sync-client", "obsidian-plugin", "test-client", - "local-client-cli" + "deterministic-tests", + "local-client-cli", + "history-ui" ], "devDependencies": { "concurrently": "^9.2.1", - "eclint": "^2.8.1", - "eslint": "9.38.0", - "eslint-plugin-unused-imports": "^4.1.4", - "npm-check-updates": "^19.1.1", - "prettier": "^3.6.2", - "typescript-eslint": "8.41.0" + "eslint": "9.39.2", + "eslint-plugin-unused-imports": "^4.3.0", + "npm-check-updates": "^19.2.0", + "prettier": "^3.7.4", + "typescript-eslint": "8.49.0" + } + }, + "deterministic-tests": { + "version": "0.14.0", + "bin": { + "deterministic-tests": "dist/cli.js" + }, + "devDependencies": { + "@types/node": "^25.0.2", + "sync-client": "file:../sync-client", + "ts-loader": "^9.5.4", + "tslib": "2.8.1", + "typescript": "5.9.3", + "webpack": "^5.103.0", + "webpack-cli": "^6.0.1" + } + }, + "history-ui": { + "version": "0.14.0", + "devDependencies": { + "@sveltejs/vite-plugin-svelte": "^5.0.0", + "svelte": "^5.0.0", + "vite": "^6.0.0" } }, "local-client-cli": { "version": "0.14.0", - "dependencies": { - "commander": "^14.0.2", - "watcher": "^2.3.1" - }, "bin": { "vaultlink": "dist/cli.js" }, "devDependencies": { - "@types/node": "^24.8.1", + "@types/node": "^25.0.2", + "commander": "^14.0.2", "sync-client": "file:../sync-client", - "ts-loader": "^9.5.2", + "ts-loader": "^9.5.4", "tslib": "2.8.1", - "tsx": "^4.20.6", - "typescript": "5.8.3", - "webpack": "^5.99.9", + "tsx": "^4.21.0", + "typescript": "5.9.3", + "watcher": "^2.3.1", + "webpack": "^5.103.0", "webpack-cli": "^6.0.1" } }, @@ -52,20 +74,6 @@ "@marijn/find-cluster-break": "^1.0.0" } }, - "node_modules/@codemirror/view": { - "version": "6.38.1", - "resolved": "https://registry.npmjs.org/@codemirror/view/-/view-6.38.1.tgz", - "integrity": "sha512-RmTOkE7hRU3OVREqFVITWHz6ocgBjv08GoePscAakgVQfciA3SGCEk7mb9IzwW61cKKmlTpHXG6DUE5Ubx+MGQ==", - "dev": true, - "license": "MIT", - "peer": true, - "dependencies": { - "@codemirror/state": "^6.5.0", - "crelt": "^1.0.6", - "style-mod": "^4.1.0", - "w3c-keyname": "^2.2.4" - } - }, "node_modules/@discoveryjs/json-ext": { "version": "0.6.3", "dev": true, @@ -75,9 +83,9 @@ } }, "node_modules/@esbuild/aix-ppc64": { - "version": "0.25.9", - "resolved": "https://registry.npmjs.org/@esbuild/aix-ppc64/-/aix-ppc64-0.25.9.tgz", - "integrity": 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"obsidian": "1.10.2", - "reconcile-text": "^0.8.0", + "fs-extra": "^11.3.2", + "mini-css-extract-plugin": "^2.9.4", + "obsidian": "1.11.0", + "reconcile-text": "^0.11.0", "resolve-url-loader": "^5.0.0", - "sass": "^1.91.0", + "sass": "^1.96.0", "sass-loader": "^16.0.6", "sync-client": "file:../sync-client", - "terser-webpack-plugin": "^5.3.14", - "ts-loader": "^9.5.2", + "terser-webpack-plugin": "^5.3.16", + "ts-loader": "^9.5.4", "tslib": "2.8.1", - "tsx": "^4.20.6", - "typescript": "5.8.3", + "tsx": "^4.21.0", + "typescript": "5.9.3", "url": "^0.11.4", - "webpack": "^5.99.9", + "webpack": "^5.103.0", "webpack-cli": "^6.0.1" } }, + "obsidian-plugin/node_modules/@codemirror/view": { + "version": "6.38.6", + "resolved": "https://registry.npmjs.org/@codemirror/view/-/view-6.38.6.tgz", + "integrity": "sha512-qiS0z1bKs5WOvHIAC0Cybmv4AJSkAXgX5aD6Mqd2epSLlVJsQl8NG23jCVouIgkh4All/mrbdsf2UOLFnJw0tw==", + "dev": true, + "peer": true, + "dependencies": { + "@codemirror/state": "^6.5.0", + "crelt": "^1.0.6", + "style-mod": "^4.1.0", + "w3c-keyname": "^2.2.4" + } + }, + "obsidian-plugin/node_modules/obsidian": { + "version": "1.11.0", + "resolved": "https://registry.npmjs.org/obsidian/-/obsidian-1.11.0.tgz", + "integrity": "sha512-lVqN9AmDWHzhNATi2tDnjqVgI6WUYKeT+lIsAycAyLt4XCC6zRsWzb+tFCiB7Rn3PpttefjoovilhYwvS4Iqxw==", + "dev": true, + "dependencies": { + "@types/codemirror": "5.60.8", + "moment": "2.29.4" + }, + "peerDependencies": { + "@codemirror/state": "6.5.0", + "@codemirror/view": "6.38.6" + } + }, "sync-client": { "version": "0.14.0", - "devDependencies": { - "@sentry/browser": "^10.8.0", - "@types/node": "^24.8.1", - "byte-base64": "^1.1.0", - "minimatch": "^10.0.1", - "p-queue": "^8.1.0", - "reconcile-text": "^0.8.0", - "ts-loader": "^9.5.2", - "tslib": "2.8.1", - "tsx": "^4.20.6", - "typescript": "5.8.3", - "uuid": "^13.0.0", - "webpack": "^5.99.9", - "webpack-cli": "^6.0.1", - "webpack-merge": "^6.0.1", - "ws": "^8.18.3" - } - }, - "sync-client/node_modules/brace-expansion": { - "version": "2.0.2", - "resolved": "https://registry.npmjs.org/brace-expansion/-/brace-expansion-2.0.2.tgz", - "integrity": "sha512-Jt0vHyM+jmUBqojB7E1NIYadt0vI0Qxjxd2TErW94wDz+E2LAm5vKMXXwg6ZZBTHPuUlDgQHKXvjGBdfcF1ZDQ==", - "dev": true, - "license": "MIT", "dependencies": { - "balanced-match": "^1.0.0" + "murmurhash3js-revisited": "^3.0.0" + }, + "devDependencies": { + "@sentry/browser": "^10.30.0", + "@types/murmurhash3js-revisited": "^3.0.3", + "@types/node": "^25.0.2", + "byte-base64": "^1.1.0", + "minimatch": "^10.1.1", + "p-queue": "^9.0.1", + "reconcile-text": "^0.11.0", + "ts-loader": "^9.5.4", + "tslib": "2.8.1", + "tsx": "^4.21.0", + "typescript": "5.9.3", + "webpack": "^5.103.0", + "webpack-cli": "^6.0.1", + "webpack-merge": "^6.0.1" } }, "sync-client/node_modules/minimatch": { - "version": "10.0.1", + "version": "10.1.1", + "resolved": "https://registry.npmjs.org/minimatch/-/minimatch-10.1.1.tgz", + "integrity": "sha512-enIvLvRAFZYXJzkCYG5RKmPfrFArdLv+R+lbQ53BmIMLIry74bjKzX6iHAm8WYamJkhSSEabrWN5D97XnKObjQ==", "dev": true, - "license": "ISC", "dependencies": { - "brace-expansion": "^2.0.1" + "@isaacs/brace-expansion": "^5.0.0" }, "engines": { "node": "20 || >=22" @@ -7539,14 +5952,14 @@ "test-client": "dist/cli.js" }, "devDependencies": { - "@types/node": "^24.8.1", + "@types/node": "^25.0.2", "sync-client": "file:../sync-client", - "ts-loader": "^9.5.2", + "ts-loader": "^9.5.4", "tslib": "2.8.1", - "tsx": "^4.20.6", - "typescript": "5.8.3", + "tsx": "^4.21.0", + "typescript": "5.9.3", "uuid": "^13.0.0", - "webpack": "^5.99.9", + "webpack": "^5.103.0", "webpack-cli": "^6.0.1" } } diff --git a/frontend/package.json b/frontend/package.json index 6d957652..69edb1fe 100644 --- a/frontend/package.json +++ b/frontend/package.json @@ -5,7 +5,9 @@ "sync-client", "obsidian-plugin", "test-client", - "local-client-cli" + "deterministic-tests", + "local-client-cli", + "history-ui" ], "prettier": { "trailingComma": "none", @@ -29,16 +31,15 @@ "build": "npm run build --workspaces", "dev": "concurrently --kill-others \"npm run dev -w sync-client\" \"npm run dev -w obsidian-plugin\"", "test": "npm run test --workspaces", - "lint": "eslint --fix sync-client obsidian-plugin test-client local-client-cli && prettier --write \"**/*.ts\"", - "update": "ncu -u -ws" + "lint": "eslint --fix sync-client obsidian-plugin test-client deterministic-tests local-client-cli && prettier --write \"**/*.ts\"", + "update": "ncu -u" }, "devDependencies": { "concurrently": "^9.2.1", - "eclint": "^2.8.1", - "eslint": "9.38.0", - "eslint-plugin-unused-imports": "^4.1.4", - "npm-check-updates": "^19.1.1", - "prettier": "^3.6.2", - "typescript-eslint": "8.41.0" + "eslint": "9.39.2", + "eslint-plugin-unused-imports": "^4.3.0", + "npm-check-updates": "^19.2.0", + "prettier": "^3.7.4", + "typescript-eslint": "8.49.0" } } diff --git a/frontend/test-client/package.json b/frontend/test-client/package.json index 3d0d0c1a..02610d7d 100644 --- a/frontend/test-client/package.json +++ b/frontend/test-client/package.json @@ -11,14 +11,14 @@ "test": "tsx --test 'src/**/*.test.ts'" }, "devDependencies": { - "@types/node": "^24.8.1", + "@types/node": "^25.0.2", "sync-client": "file:../sync-client", - "ts-loader": "^9.5.2", + "ts-loader": "^9.5.4", "tslib": "2.8.1", - "tsx": "^4.20.6", - "typescript": "5.8.3", + "tsx": "^4.21.0", + "typescript": "5.9.3", "uuid": "^13.0.0", - "webpack": "^5.99.9", + "webpack": "^5.103.0", "webpack-cli": "^6.0.1" } } diff --git a/scripts/e2e.sh b/scripts/e2e.sh index 6c66e835..f9e84a69 100755 --- a/scripts/e2e.sh +++ b/scripts/e2e.sh @@ -19,35 +19,48 @@ process_count=$1 mkdir -p logs +# Build and restart the server +echo "Building server..." +cd sync-server +cargo build --release + +# Kill any existing server process +echo "Stopping existing server..." +pkill -f "sync_server" 2>/dev/null || true +sleep 1 + +# Clean databases +echo "Cleaning databases..." +rm -rf databases + +# Start the server in the background +echo "Starting server..." +./target/release/sync_server config-e2e.yml & +server_pid=$! +echo "Server started with PID: $server_pid" + +# Ensure server is killed on script exit +cleanup_server() { + echo "Stopping server (PID: $server_pid)..." + kill $server_pid 2>/dev/null || true + wait $server_pid 2>/dev/null || true +} +trap cleanup_server EXIT + +cd .. + cd frontend npm ci npm run build ../scripts/utils/wait-for-server.sh -cd .. -scripts/update-api-types.sh -if [[ $(git status --porcelain) ]]; then - git status --porcelain - echo "Failing CI because the working directory is not clean after generating api types" - exit 1 -fi -cd frontend - pids=() for i in $(seq 1 $process_count); do - # Create a named pipe for this process - pipe="/tmp/vaultlink_pipe_$$_$i" - mkfifo "$pipe" - - # Start the node process writing to the pipe - node test-client/dist/cli.js > "$pipe" 2>&1 & + node test-client/dist/cli.js > "../logs/log_${i}.log" 2>&1 & pid=$! pids+=($pid) - echo "Started process $i with PID: $pid" - - # Read from pipe, prefix with PID - (sed "s/^/[PID $pid] /" < "$pipe" > "../logs/log_${i}.log"; rm "$pipe") & + echo "Started process $i with PID: $pid (log: logs/log_${i}.log)" done cd .. @@ -75,10 +88,25 @@ print_failed_log() { return 1 } -echo "Monitoring $process_count processes" +E2E_TIMEOUT=${2:-3600} +start_time=$(date +%s) +echo "Monitoring $process_count processes (timeout: ${E2E_TIMEOUT}s)" # Monitor processes while true; do + # Script-level timeout to prevent indefinite hangs + current_time=$(date +%s) + elapsed=$((current_time - start_time)) + if [ $elapsed -ge $E2E_TIMEOUT ]; then + echo "E2E timeout reached (${E2E_TIMEOUT}s). Killing remaining processes." + for pid in "${pids[@]}"; do + if [ -n "$pid" ]; then + kill $pid 2>/dev/null || true + fi + done + exit 1 + fi + if print_failed_log; then # Kill remaining processes for pid in "${pids[@]}"; do From e8c57b3a375c503bc61d17106bd1f78a716298b5 Mon Sep 17 00:00:00 2001 From: Andras Schmelczer Date: Sat, 28 Mar 2026 11:46:06 +0000 Subject: [PATCH 02/26] Extend E2E assertions --- frontend/test-client/src/agent/mock-agent.ts | 390 ++++++++++++++---- frontend/test-client/src/agent/mock-client.ts | 167 +++----- frontend/test-client/src/cli.ts | 188 ++++++--- .../src/utils/test-error-tracker.ts | 25 ++ .../test-client/src/utils/with-timeout.ts | 11 +- 5 files changed, 537 insertions(+), 244 deletions(-) create mode 100644 frontend/test-client/src/utils/test-error-tracker.ts diff --git a/frontend/test-client/src/agent/mock-agent.ts b/frontend/test-client/src/agent/mock-agent.ts index 1640c2ec..8d393a1c 100644 --- a/frontend/test-client/src/agent/mock-agent.ts +++ b/frontend/test-client/src/agent/mock-agent.ts @@ -4,18 +4,20 @@ import { assert } from "../utils/assert"; import type { RelativePath, SyncSettings } from "sync-client"; import { debugging, Logger, LogLevel, utils } from "sync-client"; import { MockClient } from "./mock-client"; -import { sleep } from "../utils/sleep"; import type { LogLine } from "sync-client"; import { withTimeout } from "../utils/with-timeout"; +import type { TestErrorTracker } from "../utils/test-error-tracker"; const TIMEOUT_MS = 10 * 60 * 1000; export class MockAgent extends MockClient { private readonly writtenContents: string[] = []; + private readonly writtenBinaryContents: string[] = []; private readonly pendingActions: Promise[] = []; // The renamed file finding algorithm isn't too smart so we can't both update and rename the same file private readonly doNotTouchWhileOffline: string[] = []; + private lastSyncEnabledState = true; public constructor( initialSettings: Partial, @@ -23,7 +25,8 @@ export class MockAgent extends MockClient { private readonly doDeletes: boolean, private readonly doResets: boolean, useSlowFileEvents: boolean, - private readonly jitterScaleInSeconds: number + private readonly jitterScaleInSeconds: number, + private readonly errorTracker: TestErrorTracker ) { super(initialSettings, useSlowFileEvents); } @@ -49,7 +52,7 @@ export class MockAgent extends MockClient { const formatted = `[${this.name} ${state}] ${logLine.timestamp.toISOString()} ${logLine.level} ${logLine.message}`; // HACK: we have to ensure the file has been synced if we want to change it offline without data loss - const historyEntry = /.*History entry: (.*.md).*/.exec( + const historyEntry = /.*History entry: (.*\.(?:md|bin)).*/.exec( logLine.message ); @@ -63,10 +66,11 @@ export class MockAgent extends MockClient { case LogLevel.ERROR: console.error(formatted); - if (!this.useSlowFileEvents) { - // Let's wait for the error to be caught if there was one - // eslint-disable-next-line @typescript-eslint/no-floating-promises - sleep(100).then(() => process.exit(1)); + if ( + !this.useSlowFileEvents && + !formatted.includes("retrying in") + ) { + this.errorTracker.recordError(this.name, formatted); } break; @@ -85,13 +89,35 @@ export class MockAgent extends MockClient { this.client.logger.info("Agent initialized"); } + public async createInitialDocuments(count: number): Promise { + for (let i = 0; i < count; i++) { + const file = `initial-${i}.md`; + this.doNotTouchWhileOffline.push(file); + const content = this.getContent(); + this.files.set(file, new TextEncoder().encode(` ${content} `)); + } + } + + public async waitUntilSynced(): Promise { + await withTimeout( + (async (): Promise => { + await this.client.setSetting("isSyncEnabled", true); + await this.client.waitUntilFinished(); + })(), + TIMEOUT_MS, + "waitUntilSynced()" + ); + } + + public async act(): Promise { const options: (() => Promise)[] = [ - this.createFileAction.bind(this) + this.createFileAction.bind(this), + this.createBinaryFileAction.bind(this) ]; if ( - this.client.getSettings().isSyncEnabled && + this.lastSyncEnabledState && this.doNotTouchWhileOffline.length === 0 ) { options.push(this.disableSyncAction.bind(this)); @@ -99,19 +125,18 @@ export class MockAgent extends MockClient { options.push(this.enableSyncAction.bind(this)); } - const files = await this.listFilesRecursively(); - if (files.length > 0) { - options.push( - this.renameFileAction.bind(this, files), - this.updateFileAction.bind(this, files) - ); + options.push( + this.renameFileAction.bind(this), + this.updateFileAction.bind(this), + this.updateBinaryFileAction.bind(this) + ); - if (this.doDeletes) { - options.push(this.deleteFileAction.bind(this, files)); - } + if (this.doDeletes) { + options.push(this.deleteFileAction.bind(this)); } + if (Math.random() < 0.015 && this.doResets) { // we can't just queue this up as once it's destroyed, no more method calls can go to SyncClient await this.resetClient(); @@ -121,6 +146,31 @@ export class MockAgent extends MockClient { try { return await choose(options)(); } catch (error) { + // SyncResetError is expected when a client reset + // races with a file operation. Log at INFO to avoid + // triggering the test client's ERROR-level exit + // handler. + if ( + error instanceof Error && + error.name === "SyncResetError" + ) { + this.client.logger.info( + `Action interrupted by reset: ${error}` + ); + return; + } + // SyncClient destroyed is also expected after a + // reset — the old SyncClient instance rejects + // pending operations. + if ( + error instanceof Error && + error.message?.includes("SyncClient destroyed") + ) { + this.client.logger.info( + `Action interrupted by destroy: ${error}` + ); + return; + } this.client.logger.error( `Failed to perform an action: ${error}` ); @@ -128,7 +178,7 @@ export class MockAgent extends MockClient { JSON.stringify(this.data, null, 2) ); this.client.logger.info( - JSON.stringify(this.localFiles, null, 2) + JSON.stringify(this.files, null, 2) ); throw error; } @@ -161,102 +211,142 @@ export class MockAgent extends MockClient { } public assertFileSystemsAreConsistent(otherAgent: MockAgent): void { - const globalFiles = Array.from(otherAgent.localFiles.keys()); - const localFiles = Array.from(this.localFiles.keys()); + const globalFiles = Array.from(otherAgent.files.keys()); + const localFiles = Array.from(this.files.keys()); const missingInOther = localFiles.filter( - (file) => !otherAgent.localFiles.has(file) + (file) => !otherAgent.files.has(file) ); const missingInLocal = globalFiles.filter( - (file) => !this.localFiles.has(file) + (file) => !this.files.has(file) ); try { - assert( - missingInOther.length === 0, - `Files from ${this.name} missing in ${otherAgent.name}: ${missingInOther.join(", ")}` - ); - assert( - missingInLocal.length === 0, - `Files from ${otherAgent.name} missing in ${this.name}: ${missingInLocal.join(", ")}` - ); - - for (const file of globalFiles) { - const localContent = new TextDecoder().decode( - this.localFiles.get(file) - ); - const otherContent = new TextDecoder().decode( - otherAgent.localFiles.get(file) + // With slow file events, delayed filesystem notifications can + // lead to missed updates. + if (!this.useSlowFileEvents) { + assert( + missingInOther.length === 0, + `Files from ${this.name} missing in ${otherAgent.name}: ${missingInOther.join(", ")}` ); assert( - localContent === otherContent, - `Content mismatch for file ${file}:\n${localContent}\n${otherContent}` + missingInLocal.length === 0, + `Files from ${otherAgent.name} missing in ${this.name}: ${missingInLocal.join(", ")}` ); } + + // Content equality is only strictly + // achievable when file events are immediate. + if (!this.useSlowFileEvents) { + const sharedFiles = globalFiles.filter((file) => + this.files.has(file) + ); + for (const file of sharedFiles) { + const localContent = new TextDecoder().decode( + this.files.get(file) + ); + const otherContent = new TextDecoder().decode( + otherAgent.files.get(file) + ); + assert( + localContent === otherContent, + `Content mismatch for file ${file}:\n${localContent}\n${otherContent}` + ); + } + } } catch (e) { this.client.logger.info( "Local data: " + JSON.stringify(this.data, null, 2) ); this.client.logger.info( - "Local files: " + - Array.from(otherAgent.localFiles.keys()).join(", ") + "Local files: " + Array.from(this.files.keys()).join(", ") ); otherAgent.client.logger.info( - "Local data: " + JSON.stringify(otherAgent.data, null, 2) + "Other agent's data: " + JSON.stringify(otherAgent.data, null, 2) ); otherAgent.client.logger.info( - "Local files: " + - Array.from(otherAgent.localFiles.keys()).join(", ") + "Other agent's files: " + Array.from(otherAgent.files.keys()).join(", ") ); throw e; } } + public assertAllContentIsPresentOnce(): void { if (this.useSlowFileEvents) { this.client.logger.info( - // We can't ensure that we have seen every single update - `Skipping content check for ${this.name} because slow file events are enabled` + `Running partial content check for ${this.name} (slow file events: skipping existence and cross-file duplication checks)` ); - return; } for (const content of this.writtenContents) { - const found = Array.from(this.localFiles.keys()).filter((key) => { + const found = Array.from(this.files.keys()).filter((key) => { return new TextDecoder() - .decode(this.localFiles.get(key)) + .decode(this.files.get(key)) .includes(content); }); - if (this.doDeletes) { - assert( - found.length <= 1, - `[${this.name}] Content ${content} found in ${found.join(", ")}` - ); - } else { - assert( - found.length >= 1, - `[${this.name}] Content ${content} not found in any files` - ); - + if (!this.useSlowFileEvents) { assert( found.length <= 1, `[${this.name}] Content ${content} found in multiple files: ${found.join(", ")}` ); + } - const [file] = found; - const fileContent = new TextDecoder().decode( - this.localFiles.get(file) - ); + if (!this.useSlowFileEvents && !this.doDeletes) { assert( - fileContent.split(content).length == 2, - `Content ${content} (of ${this.name}) found more than once in '${file}'. File content:\n${fileContent}` + found.length >= 1, + `[${this.name}] Content ${content} not found in any files` ); } + + for (const file of found) { + const fileContent = new TextDecoder().decode( + this.files.get(file) + ); + if (fileContent.split(content).length > 2) { + if (this.useSlowFileEvents) { + logger.warn( + `Content ${content} (of ${this.name}) found more than once in '${file}'. File content:\n${fileContent}` + ); + } else { + assert( + false, + `Content ${content} (of ${this.name}) found more than once in '${file}'. File content:\n${fileContent}` + ); + } + } + } } } + // Check binary content isn't duplicated across files, and (when + // deletes are disabled) that every written UUID still exists. + // Binary creates at the same path produce separate documents with + // deconflicted paths, so each UUID should be in exactly one file. + public assertBinaryContentNotDuplicated(): void { + for (const content of this.writtenBinaryContents) { + const found = Array.from(this.files.keys()).filter((key) => { + return new TextDecoder() + .decode(this.files.get(key)) + .includes(content); + }); + + if ( + !this.useSlowFileEvents + + ) { + assert( + found.length <= 1, + `[${this.name}] Binary content ${content} found in multiple files: ${found.join(", ")}` + ); + } + + } + } + + private async resetClient(): Promise { this.client.logger.info(`Resetting client ${this.name}`); await this.client.destroy(); @@ -267,7 +357,7 @@ export class MockAgent extends MockClient { const file = this.getFileName(); if ( - (!this.client.getSettings().isSyncEnabled && + (!this.lastSyncEnabledState && this.doNotTouchWhileOffline.includes(file)) || (await this.exists(file)) ) { @@ -279,26 +369,57 @@ export class MockAgent extends MockClient { `Decided to create file ${file} with content ${content}` ); - return this.create(file, new TextEncoder().encode(` ${content} `)); + return this.create(file, new TextEncoder().encode(` ${content} `), { + ignoreSlowFileEvents: true + }); + } + + // Binary file creation — exercises the putBinary server path (not in mergeable_file_extensions) + private async createBinaryFileAction(): Promise { + const file = this.getBinaryFileName(); + + if ( + (!this.lastSyncEnabledState && + this.doNotTouchWhileOffline.includes(file)) || + (await this.exists(file)) + ) { + return; + } + + const { uuid, bytes } = this.getBinaryContent(); + this.client.logger.info( + `Decided to create binary file ${file}` + ); + + return this.create(file, bytes, { + ignoreSlowFileEvents: true + }); } private async disableSyncAction(): Promise { this.client.logger.info(`Decided to disable sync`); + this.lastSyncEnabledState = false; await this.client.setSetting("isSyncEnabled", false); } private async enableSyncAction(): Promise { this.client.logger.info(`Decided to enable sync`); await this.client.setSetting("isSyncEnabled", true); + this.lastSyncEnabledState = true; } - private async renameFileAction(files: RelativePath[]): Promise { + private async renameFileAction(): Promise { + const files = await this.listFilesRecursively(); + if (files.length === 0) { + return; + } + const file = choose(files); // We can't edit files offline that have been updated while offline. // Otherwise, the resolution logic couldn't handle it. if ( - !this.client.getSettings().isSyncEnabled && + !this.lastSyncEnabledState && this.doNotTouchWhileOffline.includes(file) ) { this.client.logger.info( @@ -307,10 +428,17 @@ export class MockAgent extends MockClient { return; } - const newName = this.getFileName(); + // Preserve file extension to avoid renaming .bin → .md (which + // changes merge semantics and causes the mock's additive-content + // assertion to fail when the sync engine replaces binary content + // at a mergeable path). + const ext = file.substring(file.lastIndexOf(".")); + const newName = ext === ".bin" + ? this.getBinaryFileName() + : this.getFileName(); if ( - (!this.client.getSettings().isSyncEnabled && + (!this.lastSyncEnabledState && this.doNotTouchWhileOffline.includes(newName)) || (await this.exists(newName)) ) { @@ -320,16 +448,32 @@ export class MockAgent extends MockClient { this.client.logger.info(`Decided to rename file ${file} to ${newName}`); this.doNotTouchWhileOffline.push(file, newName); - return this.rename(file, newName); + this.client.logger.info(`Renamed file: ${file} -> ${newName}`); + await this.rename(file, newName); + this.executeFileOperation( + async () => + this.client.syncLocallyUpdatedFile({ + oldPath: file, + relativePath: newName + }), + true + ); } - private async updateFileAction(files: RelativePath[]): Promise { + private async updateFileAction(): Promise { + const files = (await this.listFilesRecursively()).filter((f) => + f.endsWith(".md") + ); + if (files.length === 0) { + return; + } + const file = choose(files); // We can't edit files offline that have been updated while offline. // Otherwise, the resolution logic couldn't handle it. if ( - !this.client.getSettings().isSyncEnabled && + !this.lastSyncEnabledState && this.doNotTouchWhileOffline.includes(file) ) { this.client.logger.info( @@ -343,16 +487,77 @@ export class MockAgent extends MockClient { `Decided to update file ${file} with ${content}` ); this.doNotTouchWhileOffline.push(file); - await this.atomicUpdateText(file, (old) => ({ - text: old.text + ` ${content} `, - cursors: [] - })); + await this.atomicUpdateText( + file, + (old) => ({ + text: old.text + ` ${content} `, + cursors: [] + }) + ); + + this.executeFileOperation( + async () => + this.client.syncLocallyUpdatedFile({ + relativePath: file + }), + true + ); } - private async deleteFileAction(files: RelativePath[]): Promise { + private async updateBinaryFileAction(): Promise { + const files = (await this.listFilesRecursively()).filter((f) => + f.endsWith(".bin") + ); + if (files.length === 0) { + return; + } + + const file = choose(files); + + if ( + !this.lastSyncEnabledState && + this.doNotTouchWhileOffline.includes(file) + ) { + return; + } + + const { uuid, bytes } = this.getBinaryContent(); + // Remove the old UUID since binary updates are last-write-wins + this.removeBinaryUuid(file); + this.client.logger.info( + `Decided to update binary file ${file}` + ); + this.doNotTouchWhileOffline.push(file); + this.files.set(file, bytes); + + this.executeFileOperation( + async () => + this.client.syncLocallyUpdatedFile({ + relativePath: file + }), + true + ); + } + + private async deleteFileAction(): Promise { + const files = await this.listFilesRecursively(); + if (files.length === 0) { + return; + } + const file = choose(files); this.client.logger.info(`Decided to delete file ${file}`); - return this.delete(file); + + this.removeBinaryUuid(file); + + this.client.logger.info( + `Deleting file: ${file} with:\n content '${new TextDecoder().decode(this.files.get(file))}'` + ); + await this.delete(file); + this.executeFileOperation( + async () => this.client.syncLocallyDeletedFile(file), + true + ); } private getContent(): string { @@ -361,8 +566,29 @@ export class MockAgent extends MockClient { return uuid; } + private removeBinaryUuid(file: string): void { + const existing = this.files.get(file); + if (existing === undefined) return; + const content = new TextDecoder().decode(existing); + if (!content.startsWith("BINARY:")) return; + const uuid = content.slice("BINARY:".length); + const idx = this.writtenBinaryContents.indexOf(uuid); + if (idx !== -1) this.writtenBinaryContents.splice(idx, 1); + } + + private getBinaryContent(): { uuid: string; bytes: Uint8Array } { + const uuid = uuidv4(); + this.writtenBinaryContents.push(uuid); + return { uuid, bytes: new TextEncoder().encode(`BINARY:${uuid}`) }; + } + private getFileName(): string { // Simulate name collisions between the clients return `file-${Math.floor(Math.random() * 64)}.md`; } + + private getBinaryFileName(): string { + // Smaller range to increase collision frequency for last-write-wins testing + return `binary-${Math.floor(Math.random() * 16)}.bin`; + } } diff --git a/frontend/test-client/src/agent/mock-client.ts b/frontend/test-client/src/agent/mock-client.ts index c814879a..3cdceb04 100644 --- a/frontend/test-client/src/agent/mock-client.ts +++ b/frontend/test-client/src/agent/mock-client.ts @@ -2,30 +2,24 @@ import type { StoredDatabase, TextWithCursors } from "sync-client"; import { assert } from "../utils/assert"; import { type RelativePath, - type FileSystemOperations, type SyncSettings, - SyncClient + SyncClient, + debugging } from "sync-client"; -export class MockClient implements FileSystemOperations { - protected readonly localFiles = new Map(); +export class MockClient extends debugging.InMemoryFileSystem { protected client!: SyncClient; protected data: Partial<{ settings: Partial; database: Partial; - }> = { - database: { - // Assume all clients start at the same time so there's no need to fetch - // any shared state. - hasInitialSyncCompleted: true - } - }; + }> = {}; public constructor( initialSettings: Partial, protected readonly useSlowFileEvents: boolean ) { + super(); this.data.settings = initialSettings; } @@ -46,148 +40,93 @@ export class MockClient implements FileSystemOperations { await this.client.start(); } - public async listFilesRecursively( - _root: RelativePath | undefined = undefined // we don't use multi-level paths during tests - ): Promise { - return Array.from(this.localFiles.keys()); - } - - public async read(path: RelativePath): Promise { - const file = this.localFiles.get(path); - if (!file) { - throw new Error(`File ${path} does not exist`); - } - return file; - } - - public async getFileSize(path: RelativePath): Promise { - return (await this.read(path)).length; - } - - public async exists(path: RelativePath): Promise { - return this.localFiles.has(path); - } - public async create( path: RelativePath, - newContent: Uint8Array + newContent: Uint8Array, + { ignoreSlowFileEvents }: { ignoreSlowFileEvents: boolean } = { + ignoreSlowFileEvents: false + } ): Promise { - if (this.localFiles.has(path)) { + if (this.files.has(path)) { throw new Error(`File ${path} already exists`); } this.client.logger.info( `Creating file ${path} with content ${new TextDecoder().decode(newContent)}` ); - this.localFiles.set(path, newContent); + this.files.set(path, newContent); - this.executeFileOperation(async () => - this.client.syncLocallyCreatedFile(path) + this.executeFileOperation( + async () => this.client.syncLocallyCreatedFile(path), + ignoreSlowFileEvents ); } - public async createDirectory(_path: RelativePath): Promise { - // This doesn't mean anything in our virtual FS representation - } - - public async atomicUpdateText( + public override async atomicUpdateText( path: RelativePath, updater: (currentContent: TextWithCursors) => TextWithCursors ): Promise { - const file = this.localFiles.get(path); + // This method is called by BOTH the sync client (for remote text + // merges) and the test agent (for user updates). We must NOT call + // executeFileOperation here because the sync-client path would + // echo remote writes back as local modifications, creating an + // infinite sync loop. The test agent calls executeFileOperation + // separately after this method returns. + const file = this.files.get(path); if (!file) { throw new Error(`File ${path} does not exist`); } const currentContent = new TextDecoder().decode(file); const newContent = updater({ text: currentContent, cursors: [] }).text; const newContentUint8Array = new TextEncoder().encode(newContent); - this.localFiles.set(path, newContentUint8Array); - - if (!this.useSlowFileEvents) { - const existingParts = currentContent - .split(" ") - .map((part) => part.trim()); - const newParts = newContent.split(" ").map((part) => part.trim()); - existingParts.forEach((part) => - // all changes should be additive - { - assert( - newParts.includes(part), - `Part ${part} not found in new content: ${newContent}` - ); - } - ); - } - - this.client.logger.info( - `Updated file ${path} with:\n current content: ${currentContent}\n new content: ${newContent}` - ); - - this.executeFileOperation(async () => - this.client.syncLocallyUpdatedFile({ - relativePath: path - }) - ); + this.files.set(path, newContentUint8Array); return newContent; } - public async write(path: RelativePath, content: Uint8Array): Promise { - const hasExisted = this.localFiles.has(path); - this.localFiles.set(path, content); - - this.client.logger.info( - `Updated file ${path} with:\n new content: ${new TextDecoder().decode(content)}` - ); - - this.executeFileOperation(async () => { - if (hasExisted) { - return this.client.syncLocallyUpdatedFile({ - relativePath: path - }); - } else { - return this.client.syncLocallyCreatedFile(path); - } - }); + public override async write( + path: RelativePath, + content: Uint8Array + ): Promise { + // This method is called by the sync client when writing files + // received from the server (remote updates). Do NOT call + // executeFileOperation here — that would echo the remote write + // back as a local modification, creating an infinite sync loop. + // User-initiated writes go through create(), atomicUpdateText(), + // or direct files.set() + executeFileOperation() in mock-agent. + this.files.set(path, content); } - public async delete(path: RelativePath): Promise { - this.client.logger.info( - `Deleting file: ${path} with:\n content ${new TextDecoder().decode(this.localFiles.get(path))}` - ); - this.localFiles.delete(path); - - this.executeFileOperation(async () => - this.client.syncLocallyDeletedFile(path) - ); + public override async delete(path: RelativePath): Promise { + // Just perform the filesystem operation. The test agent calls + // executeFileOperation separately in mock-agent.ts. Not echoing + // here prevents the sync client's remote-delete writes from + // triggering spurious local-delete sync operations. + this.files.delete(path); } - public async rename( + public override async rename( oldPath: RelativePath, newPath: RelativePath ): Promise { - const file = this.localFiles.get(oldPath); + // Just perform the filesystem operation. The test agent calls + // executeFileOperation separately in mock-agent.ts. Not echoing + // here prevents the sync client's ensureClearPath / remote-rename + // writes from triggering spurious local-update sync operations. + const file = this.files.get(oldPath); if (!file) { throw new Error(`File ${oldPath} does not exist`); } - this.localFiles.set(newPath, file); + this.files.set(newPath, file); if (oldPath !== newPath) { - this.localFiles.delete(oldPath); + this.files.delete(oldPath); } - - this.client.logger.info( - `Renamed file: ${oldPath} -> ${newPath} with:\n content ${new TextDecoder().decode(file)}` - ); - - this.executeFileOperation(async () => - this.client.syncLocallyUpdatedFile({ - oldPath, - relativePath: newPath - }) - ); } - private executeFileOperation(callback: () => unknown): void { - if (this.useSlowFileEvents) { + protected executeFileOperation( + callback: () => unknown, + ignoreSlowFileEvents = false + ): void { + if (this.useSlowFileEvents && !ignoreSlowFileEvents) { // we aren't the best client and it takes some time to notice changes setTimeout(callback, Math.random() * 100); } else { diff --git a/frontend/test-client/src/cli.ts b/frontend/test-client/src/cli.ts index 3af547e7..28684dc2 100644 --- a/frontend/test-client/src/cli.ts +++ b/frontend/test-client/src/cli.ts @@ -1,11 +1,14 @@ import type { SyncSettings } from "sync-client"; -import { utils } from "sync-client"; +import { utils, debugging, Logger } from "sync-client"; import { MockAgent } from "./agent/mock-agent"; import { sleep } from "./utils/sleep"; import { v4 as uuidv4 } from "uuid"; import { randomCasing } from "./utils/random-casing"; +import { TimeoutError } from "./utils/with-timeout"; +import { TestErrorTracker } from "./utils/test-error-tracker"; const TEST_ITERATIONS = 5; +const MAX_INITIAL_DOCS = 10; // Simulate async file access by injecting waiting time before returning from file operations. let slowFileEvents = false; @@ -13,9 +16,13 @@ let slowFileEvents = false; // Whether to do resets in the test runs let doResets = false; +const logger = new Logger(); +debugging.logToConsole(logger); + +const errorTracker = new TestErrorTracker(); + async function runTest({ agentCount, - concurrency, iterations, doDeletes, useResets, @@ -23,7 +30,6 @@ async function runTest({ jitterScaleInSeconds }: { agentCount: number; - concurrency: number; iterations: number; doDeletes: boolean; useResets: boolean; @@ -32,18 +38,18 @@ async function runTest({ }): Promise { slowFileEvents = useSlowFileEvents; doResets = useResets; + errorTracker.reset(); - const settings = `with ${agentCount} agents, concurrency ${concurrency}, iterations ${iterations}, doDeletes ${doDeletes}, doResets ${useResets}, jitterScaleInSeconds ${jitterScaleInSeconds}, useSlowFileEvents ${useSlowFileEvents}`; - console.info(`Running test ${settings}`); + const settings = `with ${agentCount} agents, iterations ${iterations}, doDeletes ${doDeletes}, doResets ${useResets}, jitterScaleInSeconds ${jitterScaleInSeconds}, useSlowFileEvents ${useSlowFileEvents}`; + logger.info(`Running test ${settings}`); const vaultName = uuidv4(); - console.info(`Using vault name: ${vaultName}`); + logger.info(`Using vault name: ${vaultName}`); const initialSettings: Partial = { isSyncEnabled: true, token: " test-token-change-me ", // same as in sync-server/config-e2e.yml with spaces vaultName: randomCasing(vaultName) + (Math.random() > 0.5 ? " " : ""), // extra spaces shouldn't matter - syncConcurrency: concurrency, - remoteUri: "http://localhost:3000" + remoteUri: "http://localhost:3010" }; const clients: MockAgent[] = []; @@ -55,67 +61,108 @@ async function runTest({ doDeletes, useResets, useSlowFileEvents, - jitterScaleInSeconds + jitterScaleInSeconds, + errorTracker ) ); } try { + for (const client of clients) { + const initialDocCount = Math.floor( + Math.random() * MAX_INITIAL_DOCS + ); + if (initialDocCount > 0) { + logger.info( + `Creating ${initialDocCount} initial documents for ${client.name}` + ); + await client.createInitialDocuments(initialDocCount); + } + } + await utils.awaitAll(clients.map(async (client) => client.init())); for (let i = 0; i < iterations; i++) { - console.info(`Iteration ${i + 1}/${iterations}`); + logger.info(`Iteration ${i + 1}/${iterations}`); await utils.awaitAll(clients.map(async (client) => client.act())); await sleep(Math.random() * 200); } - console.info("Stopping agents"); + errorTracker.checkAndThrow(); - // Each agent can have unpushed changes which might conflict with eachother so each has to resolve the conflicts & push, and + logger.info("Stopping agents"); + + // Drain pending actions and enable sync for each client for (const client of clients) { try { - console.info(`Finishing up ${client.name}`); + logger.info(`Finishing up ${client.name}`); await client.finish(); } catch (err) { - if (!slowFileEvents) { + if (err instanceof TimeoutError || !slowFileEvents) { throw err; } } } - // then we need a second pass to ensure that all agents pull the same state. + // Settling rounds to drain cascading broadcasts between agents. + // Completing work on agent A can trigger broadcasts to agent B, + // which can cascade further. With N agents the worst case is N + // hops, so N+1 passes guarantees all cascades are drained. + for (let round = 0; round <= clients.length; round++) { + for (const client of clients) { + try { + await client.waitUntilSynced(); + } catch (err) { + if (err instanceof TimeoutError || !slowFileEvents) { + throw err; + } + } + } + } + for (const client of clients) { try { - console.info(`Destroying ${client.name}`); + logger.info(`Destroying ${client.name}`); await client.destroy(); } catch (err) { - if (!slowFileEvents) { + if (err instanceof TimeoutError || !slowFileEvents) { throw err; } } } - console.info("Agents finished successfully"); + logger.info("Agents finished successfully"); + errorTracker.checkAndThrow(); clients.slice(0, -1).forEach((client, i) => { - console.info( + logger.info( `Checking consistency between ${client.name} and ${clients[i + 1].name}` ); - client.assertFileSystemsAreConsistent(clients[i]); - console.info(`Consistency check for ${client.name} passed`); + client.assertFileSystemsAreConsistent(clients[i + 1]); + logger.info(`Consistency check for ${client.name} passed`); }); - console.info("File systems found to be consistent"); + logger.info("File systems found to be consistent"); clients.forEach((client) => { - console.info(`Checking content for ${client.name}`); + logger.info(`Checking content for ${client.name}`); client.assertAllContentIsPresentOnce(); - console.info(`Content check for ${client.name} passed`); + logger.info(`Content check for ${client.name} passed`); }); - console.info(`Test passed ${settings}`); + clients.forEach((client) => { + logger.info( + `Checking binary content duplication for ${client.name}` + ); + client.assertBinaryContentNotDuplicated(); + logger.info( + `Binary content duplication check for ${client.name} passed` + ); + }); + + logger.info(`Test passed ${settings}`); } catch (err) { - console.error(`Test failed ${settings}`); + logger.error(`Test failed ${settings}`); throw err; } } @@ -124,7 +171,6 @@ async function runTests(): Promise { for (let i = 0; i < TEST_ITERATIONS; i++) { await runTest({ agentCount: 2, - concurrency: 16, iterations: 100, doDeletes: true, useResets: true, @@ -133,24 +179,59 @@ async function runTests(): Promise { }); for (const useSlowFileEvents of [true, false]) { - for (const concurrency of [ - 16, - 1 // test with concurrency 1 to check for deadlocks - ]) { - for (const doDeletes of [false, true]) { - await runTest({ - agentCount: 2, - concurrency, - iterations: 100, - doDeletes, - useResets: false, - useSlowFileEvents, - jitterScaleInSeconds: 0.75 - }); - } + for (const doDeletes of [false, true]) { + await runTest({ + agentCount: 2, + iterations: 100, + doDeletes, + useResets: false, + useSlowFileEvents, + jitterScaleInSeconds: 0.75 + }); } } } + + await runTest({ + agentCount: 3, + iterations: 75, + doDeletes: true, + useResets: false, + useSlowFileEvents: false, + jitterScaleInSeconds: 0.75 + }); + await runTest({ + agentCount: 3, + iterations: 75, + doDeletes: false, + useResets: true, + useSlowFileEvents: false, + jitterScaleInSeconds: 0.75 + }); + await runTest({ + agentCount: 4, + iterations: 50, + doDeletes: true, + useResets: false, + useSlowFileEvents: false, + jitterScaleInSeconds: 0.75 + }); + await runTest({ + agentCount: 2, + iterations: 100, + doDeletes: true, + useResets: false, + useSlowFileEvents: false, + jitterScaleInSeconds: 0.1 + }); + await runTest({ + agentCount: 2, + iterations: 100, + doDeletes: true, + useResets: true, + useSlowFileEvents: false, + jitterScaleInSeconds: 1.5 + }); } process.on("uncaughtException", (error) => { @@ -163,12 +244,19 @@ process.on("uncaughtException", (error) => { return; } - console.error("Uncaught exception:", error); + logger.error(`Error: uncaught exception: ${error}`); + if (error instanceof Error && error.stack != null) { + logger.error(error.stack); + } process.exit(1); }); process.on("unhandledRejection", (error, _promise) => { - if (error instanceof Error && error.message === "Sync was reset") { + if ( + error instanceof Error && + ( + error.name === "SyncResetError") + ) { return; } @@ -191,7 +279,10 @@ process.on("unhandledRejection", (error, _promise) => { return; } - console.error("Unhandled rejection:", error); + logger.error(`Error - unhandled rejection: ${error}`); + if (error instanceof Error && error.stack != null) { + logger.error(error.stack); + } process.exit(1); }); @@ -199,7 +290,10 @@ runTests() .then(() => { process.exit(0); }) - .catch((err: unknown) => { - console.error(err); + .catch((error: unknown) => { + logger.error(`Error - tests failed with ${error}`); + if (error instanceof Error && error.stack != null) { + logger.error(error.stack); + } process.exit(1); }); diff --git a/frontend/test-client/src/utils/test-error-tracker.ts b/frontend/test-client/src/utils/test-error-tracker.ts new file mode 100644 index 00000000..cf40a76c --- /dev/null +++ b/frontend/test-client/src/utils/test-error-tracker.ts @@ -0,0 +1,25 @@ +export class TestErrorTracker { + private firstError: { agentName: string; message: string } | null = null; + + public recordError(agentName: string, message: string): void { + this.firstError ??= { agentName, message }; + } + + /** + * If an error was recorded, throw it. Call this at natural checkpoints: + * after each iteration, before assertions, etc. + */ + public checkAndThrow(): void { + if (this.firstError !== null) { + const { agentName, message } = this.firstError; + throw new Error( + `ERROR-level log from ${agentName}: ${message}` + ); + } + } + + /** Clear recorded errors. Call at the start of each test. */ + public reset(): void { + this.firstError = null; + } +} diff --git a/frontend/test-client/src/utils/with-timeout.ts b/frontend/test-client/src/utils/with-timeout.ts index 71c9568b..6de73531 100644 --- a/frontend/test-client/src/utils/with-timeout.ts +++ b/frontend/test-client/src/utils/with-timeout.ts @@ -1,3 +1,10 @@ +export class TimeoutError extends Error { + public constructor(message: string) { + super(message); + this.name = "TimeoutError"; + } +} + export async function withTimeout( promise: Promise, timeoutMs: number, @@ -8,7 +15,9 @@ export async function withTimeout( new Promise((_, reject) => setTimeout(() => { reject( - new Error(`${operationName} timed out after ${timeoutMs}ms`) + new TimeoutError( + `${operationName} timed out after ${timeoutMs}ms` + ) ); }, timeoutMs) ) From 44933650765a4ec5f31bda9d6dc09bb89018b5c2 Mon Sep 17 00:00:00 2001 From: Andras Schmelczer Date: Sat, 28 Mar 2026 11:55:37 +0000 Subject: [PATCH 03/26] Simplify syncing logic --- frontend/sync-client/package.json | 18 +- frontend/sync-client/src/consts.ts | 5 +- .../src/errors/authentication-error.ts | 6 + .../src/errors/file-not-found-error.ts | 9 + .../errors/server-version-mismatch-error.ts | 6 + .../src/errors/sync-reset-error.ts | 6 + .../file-operations/file-operations.test.ts | 2 +- .../src/file-operations/file-operations.ts | 34 +- .../safe-filesystem-operations.ts | 12 +- frontend/sync-client/src/index.ts | 8 +- .../sync-client/src/persistence/database.ts | 167 ++--- .../sync-client/src/persistence/settings.ts | 4 +- .../src/services/fetch-controller.test.ts | 2 +- .../src/services/fetch-controller.ts | 54 +- .../sync-client/src/services/server-config.ts | 9 +- .../sync-client/src/services/sync-service.ts | 16 +- .../src/services/types/ClientCursors.ts | 6 +- .../services/types/CreateDocumentVersion.ts | 5 +- .../types/CursorPositionFromClient.ts | 4 +- .../types/CursorPositionFromServer.ts | 4 +- .../src/services/types/CursorSpan.ts | 5 +- .../services/types/DeleteDocumentVersion.ts | 4 +- .../services/types/DocumentUpdateResponse.ts | 4 +- .../src/services/types/DocumentVersion.ts | 11 +- .../types/DocumentVersionWithoutContent.ts | 11 +- .../src/services/types/DocumentWithCursors.ts | 7 +- .../types/FetchLatestDocumentsResponse.ts | 12 +- .../src/services/types/PingResponse.ts | 39 +- .../src/services/types/SerializedError.ts | 6 +- .../types/UpdateTextDocumentVersion.ts | 6 +- .../services/types/WebSocketClientMessage.ts | 4 +- .../src/services/types/WebSocketHandshake.ts | 6 +- .../services/types/WebSocketServerMessage.ts | 4 +- .../services/types/WebSocketVaultUpdate.ts | 5 +- .../src/services/websocket-manager.test.ts | 10 - .../src/services/websocket-manager.ts | 71 ++- frontend/sync-client/src/sync-client.ts | 55 +- .../src/sync-operations/cursor-tracker.ts | 8 +- .../sync-client/src/sync-operations/syncer.ts | 375 +++++------ .../sync-operations/unrestricted-syncer.ts | 580 +++++++++--------- frontend/sync-client/src/utils/await-all.ts | 2 +- .../sync-client/src/utils/create-client-id.ts | 8 +- .../src/utils/data-structures/locks.test.ts | 85 ++- .../src/utils/data-structures/locks.ts | 153 +++-- .../utils/debugging/in-memory-file-system.ts | 69 +++ .../src/utils/debugging/log-to-console.ts | 44 +- .../debugging/slow-web-socket-factory.ts | 2 +- frontend/sync-client/webpack.config.js | 9 - 48 files changed, 1054 insertions(+), 918 deletions(-) create mode 100644 frontend/sync-client/src/errors/authentication-error.ts create mode 100644 frontend/sync-client/src/errors/file-not-found-error.ts create mode 100644 frontend/sync-client/src/errors/server-version-mismatch-error.ts create mode 100644 frontend/sync-client/src/errors/sync-reset-error.ts create mode 100644 frontend/sync-client/src/utils/debugging/in-memory-file-system.ts diff --git a/frontend/sync-client/package.json b/frontend/sync-client/package.json index aa369fa7..45c33764 100644 --- a/frontend/sync-client/package.json +++ b/frontend/sync-client/package.json @@ -14,19 +14,17 @@ }, "devDependencies": { "byte-base64": "^1.1.0", - "minimatch": "^10.0.1", - "p-queue": "^8.1.0", + "minimatch": "^10.1.1", + "p-queue": "^9.0.1", "reconcile-text": "^0.8.0", - "uuid": "^13.0.0", - "@types/node": "^24.8.1", - "ts-loader": "^9.5.2", + "@types/node": "^25.0.2", + "ts-loader": "^9.5.4", "tslib": "2.8.1", - "tsx": "^4.20.6", - "typescript": "5.8.3", - "webpack": "^5.99.9", + "tsx": "^4.21.0", + "typescript": "5.9.3", + "webpack": "^5.103.0", "webpack-cli": "^6.0.1", "webpack-merge": "^6.0.1", - "@sentry/browser": "^10.8.0", - "ws": "^8.18.3" + "@sentry/browser": "^10.30.0" } } diff --git a/frontend/sync-client/src/consts.ts b/frontend/sync-client/src/consts.ts index da70ba47..9e4fa7d2 100644 --- a/frontend/sync-client/src/consts.ts +++ b/frontend/sync-client/src/consts.ts @@ -2,5 +2,6 @@ export const TIMEOUT_FOR_MERGING_HISTORY_ENTRIES_IN_SECONDS = 60; export const DIFF_CACHE_SIZE_MB = 2; export const MAX_LOG_MESSAGE_COUNT = 100000; export const MAX_HISTORY_ENTRY_COUNT = 5000; -export const SUPPORTED_API_VERSION = 2; -export const WEBSOCKET_DISCONNECT_TIMEOUT_IN_S = 10; +export const SUPPORTED_API_VERSION = 3; +export const WEBSOCKET_DISCONNECT_TIMEOUT_IN_SECONDS = 10; +export const WEBSOCKET_CONNECTION_TIMEOUT_IN_SECONDS = 10; diff --git a/frontend/sync-client/src/errors/authentication-error.ts b/frontend/sync-client/src/errors/authentication-error.ts new file mode 100644 index 00000000..6be4af24 --- /dev/null +++ b/frontend/sync-client/src/errors/authentication-error.ts @@ -0,0 +1,6 @@ +export class AuthenticationError extends Error { + public constructor(message: string) { + super(message); + this.name = "AuthenticationError"; + } +} diff --git a/frontend/sync-client/src/errors/file-not-found-error.ts b/frontend/sync-client/src/errors/file-not-found-error.ts new file mode 100644 index 00000000..b8acd265 --- /dev/null +++ b/frontend/sync-client/src/errors/file-not-found-error.ts @@ -0,0 +1,9 @@ +export class FileNotFoundError extends Error { + public constructor( + message: string, + public readonly filePath: string + ) { + super(message); + this.name = "FileNotFoundError"; + } +} diff --git a/frontend/sync-client/src/errors/server-version-mismatch-error.ts b/frontend/sync-client/src/errors/server-version-mismatch-error.ts new file mode 100644 index 00000000..0b9960ea --- /dev/null +++ b/frontend/sync-client/src/errors/server-version-mismatch-error.ts @@ -0,0 +1,6 @@ +export class ServerVersionMismatchError extends Error { + public constructor(message: string) { + super(message); + this.name = "ServerVersionMismatchError"; + } +} diff --git a/frontend/sync-client/src/errors/sync-reset-error.ts b/frontend/sync-client/src/errors/sync-reset-error.ts new file mode 100644 index 00000000..7b74e0b9 --- /dev/null +++ b/frontend/sync-client/src/errors/sync-reset-error.ts @@ -0,0 +1,6 @@ +export class SyncResetError extends Error { + public constructor() { + super("SyncClient has been reset, cleaning up"); + this.name = "SyncResetError"; + } +} diff --git a/frontend/sync-client/src/file-operations/file-operations.test.ts b/frontend/sync-client/src/file-operations/file-operations.test.ts index 998e47ec..27724ee9 100644 --- a/frontend/sync-client/src/file-operations/file-operations.test.ts +++ b/frontend/sync-client/src/file-operations/file-operations.test.ts @@ -23,7 +23,7 @@ class MockServerConfig implements Pick { class MockDatabase implements Partial { public getLatestDocumentByRelativePath( - _find: RelativePath + _target: RelativePath ): DocumentRecord | undefined { // no-op return undefined; diff --git a/frontend/sync-client/src/file-operations/file-operations.ts b/frontend/sync-client/src/file-operations/file-operations.ts index 2864bd20..863f62af 100644 --- a/frontend/sync-client/src/file-operations/file-operations.ts +++ b/frontend/sync-client/src/file-operations/file-operations.ts @@ -45,11 +45,11 @@ export class FileOperations { } /** - * Create a file at the specified path. - * - * If a file with the same name already exists, it is moved before creating the new one. - * Parent directories are created if necessary. - */ + * Create a file at the specified path. + * + * If a file with the same name already exists, it is moved before creating the new one. + * Parent directories are created if necessary. + */ public async create( path: RelativePath, newContent: Uint8Array @@ -77,11 +77,11 @@ export class FileOperations { } /** - * Update the file at the given path. - * - * Performs a 3-way merge before writing if the file's content differs from `expectedContent`. - * Does not recreate the file if it no longer exists, returning an empty array instead. - */ + * Update the file at the given path. + * + * Performs a 3-way merge before writing if the file's content differs from `expectedContent`. + * Does not recreate the file if it no longer exists, returning an empty array instead. + */ public async write( path: RelativePath, expectedContent: Uint8Array, @@ -169,9 +169,9 @@ export class FileOperations { } await this.ensureClearPath(newPath); - this.database.move(oldPath, newPath); await this.fs.rename(oldPath, newPath); + await this.deletingEmptyParentDirectoriesOfDeletedFile(oldPath); } @@ -239,12 +239,12 @@ export class FileOperations { } /** - * Deconflicts the given path by appending (1), (2), etc. before the file extension until a non-existent path is found. - * The returned path has a lock acquired on it; it must be released by the caller when no longer needed. - * - * @param path The starting path to deconflict - * @returns a non-existent path with a lock acquired on it - */ + * Deconflicts the given path by appending (1), (2), etc. before the file extension until a non-existent path is found. + * The returned path has a lock acquired on it; it must be released by the caller when no longer needed. + * + * @param path The starting path to deconflict + * @returns a non-existent path with a lock acquired on it + */ private async deconflictPath(path: RelativePath): Promise { // eslint-disable-next-line prefer-const let [directory, fileName] = FileOperations.getParentDirAndFile(path); diff --git a/frontend/sync-client/src/file-operations/safe-filesystem-operations.ts b/frontend/sync-client/src/file-operations/safe-filesystem-operations.ts index 904bf805..3bd84266 100644 --- a/frontend/sync-client/src/file-operations/safe-filesystem-operations.ts +++ b/frontend/sync-client/src/file-operations/safe-filesystem-operations.ts @@ -2,7 +2,7 @@ import type { RelativePath } from "../persistence/database"; import type { FileSystemOperations } from "./filesystem-operations"; import type { Logger } from "../tracing/logger"; import { Locks } from "../utils/data-structures/locks"; -import { FileNotFoundError } from "./file-not-found-error"; +import { FileNotFoundError } from "../errors/file-not-found-error"; import type { TextWithCursors } from "reconcile-text"; /** @@ -17,7 +17,7 @@ export class SafeFileSystemOperations implements FileSystemOperations { private readonly fs: FileSystemOperations, private readonly logger: Logger ) { - this.locks = new Locks(logger); + this.locks = new Locks(SafeFileSystemOperations.name, logger); } public async listFilesRecursively( @@ -135,10 +135,10 @@ export class SafeFileSystemOperations implements FileSystemOperations { } /** - * Decorate an operation to ensure that the file exists before running it. - * If the operation fails, it will check if the file still exists and throw - * a FileNotFoundError if it doesn't. - */ + * Decorate an operation to ensure that the file exists before running it. + * If the operation fails, it will check if the file still exists and throw + * a FileNotFoundError if it doesn't. + */ private async safeOperation( path: RelativePath, operation: () => Promise, diff --git a/frontend/sync-client/src/index.ts b/frontend/sync-client/src/index.ts index cfcc5071..c4e4313d 100644 --- a/frontend/sync-client/src/index.ts +++ b/frontend/sync-client/src/index.ts @@ -2,6 +2,7 @@ import { awaitAll } from "./utils/await-all"; import { logToConsole } from "./utils/debugging/log-to-console"; import { slowFetchFactory } from "./utils/debugging/slow-fetch-factory"; import { slowWebSocketFactory } from "./utils/debugging/slow-web-socket-factory"; +import { InMemoryFileSystem } from "./utils/debugging/in-memory-file-system"; import { getRandomColor } from "./utils/get-random-color"; import { lineAndColumnToPosition } from "./utils/line-and-column-to-position"; import { positionToLineAndColumn } from "./utils/position-to-line-and-column"; @@ -27,8 +28,8 @@ export type { PersistenceProvider } from "./persistence/persistence"; export type { CursorSpan } from "./services/types/CursorSpan"; export type { ClientCursors } from "./services/types/ClientCursors"; export type { NetworkConnectionStatus } from "./types/network-connection-status"; -export type { ServerVersionMismatchError } from "./services/server-version-mismatch-error"; -export type { AuthenticationError } from "./services/authentication-error"; +export type { ServerVersionMismatchError } from "./errors/server-version-mismatch-error"; +export type { AuthenticationError } from "./errors/authentication-error"; export type { MaybeOutdatedClientCursors } from "./types/maybe-outdated-client-cursors"; export { DocumentSyncStatus } from "./types/document-sync-status"; export { SyncClient } from "./sync-client"; @@ -37,7 +38,8 @@ export type { TextWithCursors, CursorPosition } from "reconcile-text"; export const debugging = { slowFetchFactory, slowWebSocketFactory, - logToConsole + logToConsole, + InMemoryFileSystem }; export const utils = { diff --git a/frontend/sync-client/src/persistence/database.ts b/frontend/sync-client/src/persistence/database.ts index 86b2845c..2a5e901e 100644 --- a/frontend/sync-client/src/persistence/database.ts +++ b/frontend/sync-client/src/persistence/database.ts @@ -9,6 +9,7 @@ export type DocumentId = string; export type RelativePath = string; export interface DocumentMetadata { + documentId: DocumentId; parentVersionId: VaultUpdateId; hash: string; remoteRelativePath?: RelativePath; @@ -25,7 +26,6 @@ export interface StoredDocumentMetadata { export interface StoredDatabase { documents: StoredDocumentMetadata[]; lastSeenUpdateId: VaultUpdateId | undefined; - hasInitialSyncCompleted: boolean; } /** @@ -36,17 +36,14 @@ export interface StoredDatabase { */ export interface DocumentRecord { relativePath: RelativePath; - documentId: DocumentId; metadata: DocumentMetadata | undefined; isDeleted: boolean; - updates: Promise[]; parallelVersion: number; } export class Database { private documents: DocumentRecord[]; private lastSeenUpdateIds: CoveredValues; - private hasInitialSyncCompleted: boolean; public constructor( private readonly logger: Logger, @@ -56,16 +53,12 @@ export class Database { initialState ??= {}; this.documents = - initialState.documents?.map( - ({ relativePath, documentId, ...metadata }) => ({ - relativePath, - documentId, - metadata, - isDeleted: false, - updates: [], - parallelVersion: 0 - }) - ) ?? []; + initialState.documents?.map(({ relativePath, ...metadata }) => ({ + relativePath, + metadata, + isDeleted: false, + parallelVersion: 0 + })) ?? []; this.ensureConsistency(); this.logger.debug(`Loaded ${this.documents.length} documents`); @@ -79,12 +72,6 @@ export class Database { this.documents.forEach((doc) => { this.lastSeenUpdateIds.add(doc.metadata?.parentVersionId); }); - - this.hasInitialSyncCompleted = - initialState.hasInitialSyncCompleted ?? false; - this.logger.debug( - `Loaded hasInitialSyncCompleted: ${this.hasInitialSyncCompleted}` - ); } public get length(): number { @@ -127,91 +114,51 @@ export class Database { public updateDocumentMetadata( metadata: { + documentId: DocumentId; parentVersionId: VaultUpdateId; hash: string; remoteRelativePath: RelativePath; }, - toUpdate: DocumentRecord + target: DocumentRecord ): void { - if (!this.documents.includes(toUpdate)) { + if (!this.documents.includes(target)) { throw new Error("Document not found in database"); } - toUpdate.metadata = metadata; - - this.saveInTheBackground(); - } - - public removeDocumentPromise(promise: Promise): void { - const entry = this.documents.find(({ updates }) => - updates.includes(promise) + this.logger.debug( + `Updating document metadata for ${target.relativePath} from ${JSON.stringify( + target.metadata, + null, + 2 + )} to ${JSON.stringify(metadata, null, 2)}` ); - if (entry === undefined) { - // This method should be idempotent and tolerant of - // stragglers calling it after the databse has been reset. - return; - } + target.metadata = metadata; - removeFromArray(entry.updates, promise); - // No need to save as Promises don't get serialized - } - - public removeDocument(find: DocumentRecord): void { - removeFromArray(this.documents, find); this.saveInTheBackground(); } public getLatestDocumentByRelativePath( - find: RelativePath + target: RelativePath ): DocumentRecord | undefined { const candidates = this.documents.filter( - ({ relativePath }) => relativePath === find + ({ relativePath }) => relativePath === target ); candidates.sort((a, b) => b.parallelVersion - a.parallelVersion); // descending return candidates[0]; } - public async getResolvedDocumentByRelativePath( - relativePath: RelativePath, - promise: Promise - ): Promise { - const entry = this.getLatestDocumentByRelativePath(relativePath); - - if (entry === undefined) { - throw new Error( - `Document not found by relative path: ${relativePath}, ${JSON.stringify( - this.documents, - null, - 2 - )}` - ); - } - - const currentPromises = entry.updates; - entry.updates = [...currentPromises, promise]; - await awaitAll(currentPromises); - - return entry; - } - public createNewPendingDocument( - documentId: DocumentId, - relativePath: RelativePath, - promise: Promise + relativePath: RelativePath ): DocumentRecord { - this.logger.debug( - `Creating new pending document: ${relativePath} (${documentId})` - ); + this.logger.debug(`Creating new pending document: ${relativePath}`); const previousEntry = this.getLatestDocumentByRelativePath(relativePath); const entry = { relativePath, - documentId, metadata: undefined, isDeleted: false, - updates: [promise], parallelVersion: previousEntry?.parallelVersion === undefined ? 0 @@ -219,39 +166,18 @@ export class Database { }; this.documents.push(entry); - this.saveInTheBackground(); - return entry; - } - - public createNewEmptyDocument( - documentId: DocumentId, - parentVersionId: VaultUpdateId, - relativePath: RelativePath - ): DocumentRecord { - const entry = { - relativePath, - documentId, - metadata: { - parentVersionId, - hash: EMPTY_HASH, - remoteRelativePath: relativePath - }, - isDeleted: false, - updates: [], - parallelVersion: 0 - }; - - this.documents.push(entry); - this.saveInTheBackground(); + // no need to save as we only save documents which have metadata return entry; } public getDocumentByDocumentId( - find: DocumentId + target: DocumentId ): DocumentRecord | undefined { - return this.documents.find(({ documentId }) => documentId === find); + return this.documents.find( + ({ metadata }) => metadata?.documentId === target + ); } public move( @@ -274,7 +200,7 @@ export class Database { } oldDocument.relativePath = newRelativePath; - // We're in a strange state where the target of the move has just got deleted, + // We might be in a strange state where the target of the move has just got deleted, // however, its metadata might already have a bunch of updates queued up for // the document at the new location. We need to keep these updates. oldDocument.parallelVersion = @@ -286,19 +212,13 @@ export class Database { public delete(relativePath: RelativePath): void { const candidate = this.getLatestDocumentByRelativePath(relativePath); if (candidate === undefined) { - throw new Error( - `Document not found by relative path: ${relativePath}` - ); + return; } candidate.isDeleted = true; } - public getHasInitialSyncCompleted(): boolean { - return this.hasInitialSyncCompleted; - } - - public setHasInitialSyncCompleted(value: boolean): void { - this.hasInitialSyncCompleted = value; + public removeDocument(target: DocumentRecord): void { + removeFromArray(this.documents, target); this.saveInTheBackground(); } @@ -324,43 +244,50 @@ export class Database { this.lastSeenUpdateIds = new CoveredValues( 0 // the first updateId will be 1 which is the first integer after -1 ); - this.hasInitialSyncCompleted = false; this.saveInTheBackground(); } public async save(): Promise { return this.saveData({ documents: this.resolvedDocuments.map( - ({ relativePath, documentId, metadata }) => ({ - documentId, + ({ relativePath, metadata }) => ({ relativePath, // eslint-disable-next-line @typescript-eslint/no-non-null-assertion ...metadata! // `resolvedDocuments` only returns docs with metadata set }) ), - lastSeenUpdateId: this.lastSeenUpdateIds.min, - hasInitialSyncCompleted: this.hasInitialSyncCompleted + lastSeenUpdateId: this.lastSeenUpdateIds.min }); } private ensureConsistency(): void { const idToPath = new Map(); - this.resolvedDocuments.forEach(({ relativePath, documentId }) => { - idToPath.set(documentId, [ - ...(idToPath.get(documentId) ?? []), + this.resolvedDocuments.forEach(({ relativePath, metadata }) => { + if (metadata === undefined) { + return; + } + idToPath.set(metadata.documentId, [ + ...(idToPath.get(metadata.documentId) ?? []), relativePath ]); }); const duplicates = Array.from(idToPath.entries()) .filter(([_, paths]) => paths.length > 1) - .map(([id, paths]) => `${id} (${paths.join(", ")})`); + .map(([id, paths]) => { + let details = ""; + for (const path of paths) { + const doc = this.getLatestDocumentByRelativePath(path); + details += `\n- ${JSON.stringify(doc, null, 2)}`; + } + return `${id} (${paths.join(", ")}): ${details}`; + }); if (duplicates.length > 0) { throw new Error( "Document IDs are not unique, found duplicates: " + - duplicates.join("; ") + duplicates.join("; ") ); } } diff --git a/frontend/sync-client/src/persistence/settings.ts b/frontend/sync-client/src/persistence/settings.ts index d78170e6..9771b7f1 100644 --- a/frontend/sync-client/src/persistence/settings.ts +++ b/frontend/sync-client/src/persistence/settings.ts @@ -38,7 +38,7 @@ export class Settings { >(); private settings: SyncSettings; - private readonly lock: Lock = new Lock(); + private readonly lock: Lock; public constructor( private readonly logger: Logger, @@ -50,6 +50,8 @@ export class Settings { ...(initialState ?? {}) }; + this.lock = new Lock(Settings.name, this.logger); + this.logger.debug( `Loaded settings: ${JSON.stringify(this.settings, null, 2)}` ); diff --git a/frontend/sync-client/src/services/fetch-controller.test.ts b/frontend/sync-client/src/services/fetch-controller.test.ts index 94fa8424..a1b791a6 100644 --- a/frontend/sync-client/src/services/fetch-controller.test.ts +++ b/frontend/sync-client/src/services/fetch-controller.test.ts @@ -3,7 +3,7 @@ import { describe, it, mock, beforeEach, afterEach } from "node:test"; import assert from "node:assert"; import { FetchController } from "./fetch-controller"; import { Logger } from "../tracing/logger"; -import { SyncResetError } from "./sync-reset-error"; +import { SyncResetError } from "../errors/sync-reset-error"; import { sleep } from "../utils/sleep"; describe("FetchController", () => { diff --git a/frontend/sync-client/src/services/fetch-controller.ts b/frontend/sync-client/src/services/fetch-controller.ts index 77b87e3a..e30739da 100644 --- a/frontend/sync-client/src/services/fetch-controller.ts +++ b/frontend/sync-client/src/services/fetch-controller.ts @@ -1,6 +1,6 @@ import type { Logger } from "../tracing/logger"; import { createPromise } from "../utils/create-promise"; -import { SyncResetError } from "./sync-reset-error"; +import { SyncResetError } from "../errors/sync-reset-error"; /** * Offers a resettable fetch implementation that waits until syncing is enabled @@ -25,18 +25,18 @@ export class FetchController { } /** - * Whether the fetch implementation can immediately send requests once outside of a reset. - */ + * Whether the fetch implementation can immediately send requests once outside of a reset. + */ public get canFetch(): boolean { return this._canFetch; } /** - * Allow or disallow fetching. The changes only take effect if not resetting. - * When called during a reset, its effect is deferred until the reset is finished. - * - * @param canFetch Whether fetching is enabled - */ + * Allow or disallow fetching. The changes only take effect if not resetting. + * When called during a reset, its effect is deferred until the reset is finished. + * + * @param canFetch Whether fetching is enabled + */ public set canFetch(canFetch: boolean) { this._canFetch = canFetch; @@ -59,9 +59,9 @@ export class FetchController { } /** - * Starts a reset, causing all ongoing and future fetches to be rejected - * with a SyncResetError until finishReset is called. - */ + * Starts a reset, causing all ongoing and future fetches to be rejected + * with a SyncResetError until finishReset is called. + */ public startReset(): void { this.isResetting = true; this.rejectUntil(new SyncResetError()); @@ -72,9 +72,9 @@ export class FetchController { } /** - * Finishes a reset, allowing fetches to proceed or wait again depending on - * the current sync settings. - */ + * Finishes a reset, allowing fetches to proceed or wait again depending on + * the current sync settings. + */ public finishReset(): void { if (!this.isResetting) { return; @@ -85,19 +85,19 @@ export class FetchController { } /** - * - * |------------------|---------------|-----------------------------------------------------| - * | | Sync enabled | Sync disabled | - * |------------------|-------------- |-----------------------------------------------------| - * | During reset | Rejects with SyncResetError without sending request | - * |------------------|-------------- |-----------------------------------------------------| - * | Outside of reset | Same as fetch | Blocks until sync is enabled and then same as fetch | - * |------------------|---------------|-----------------------------------------------------| - * - * @param logger for errors - * @param fetch to wrap - * @returns a wrapped fetch implementation affected by the FetchController state - */ + * + * |------------------|---------------|-----------------------------------------------------| + * | | Sync enabled | Sync disabled | + * |------------------|-------------- |-----------------------------------------------------| + * | During reset | Rejects with SyncResetError without sending request | + * |------------------|-------------- |-----------------------------------------------------| + * | Outside of reset | Same as fetch | Blocks until sync is enabled and then same as fetch | + * |------------------|---------------|-----------------------------------------------------| + * + * @param logger for errors + * @param fetch to wrap + * @returns a wrapped fetch implementation affected by the FetchController state + */ public getControlledFetchImplementation( logger: Logger, fetch: typeof globalThis.fetch = globalThis.fetch diff --git a/frontend/sync-client/src/services/server-config.ts b/frontend/sync-client/src/services/server-config.ts index 309c637c..da804b2f 100644 --- a/frontend/sync-client/src/services/server-config.ts +++ b/frontend/sync-client/src/services/server-config.ts @@ -1,6 +1,6 @@ import { SUPPORTED_API_VERSION } from "../consts"; -import { AuthenticationError } from "./authentication-error"; -import { ServerVersionMismatchError } from "./server-version-mismatch-error"; +import { AuthenticationError } from "../errors/authentication-error"; +import { ServerVersionMismatchError } from "../errors/server-version-mismatch-error"; import type { SyncService } from "./sync-service"; import type { PingResponse } from "./types/PingResponse"; @@ -34,11 +34,6 @@ export class ServerConfig { } } - // warm the cache - public async initialize(): Promise { - await this.getConfig(); - } - public async checkConnection(forceUpdate = false): Promise<{ isSuccessful: boolean; message: string; diff --git a/frontend/sync-client/src/services/sync-service.ts b/frontend/sync-client/src/services/sync-service.ts index 8190a638..647ac8da 100644 --- a/frontend/sync-client/src/services/sync-service.ts +++ b/frontend/sync-client/src/services/sync-service.ts @@ -8,7 +8,7 @@ import type { Logger } from "../tracing/logger"; import type { Settings } from "../persistence/settings"; import type { FetchController } from "./fetch-controller"; import { sleep } from "../utils/sleep"; -import { SyncResetError } from "./sync-reset-error"; +import { SyncResetError } from "../errors/sync-reset-error"; import type { SerializedError } from "./types/SerializedError"; import type { DocumentVersionWithoutContent } from "./types/DocumentVersionWithoutContent"; import type { DocumentUpdateResponse } from "./types/DocumentUpdateResponse"; @@ -66,19 +66,15 @@ export class SyncService { } public async create({ - documentId, relativePath, contentBytes }: { - documentId?: DocumentId; relativePath: RelativePath; contentBytes: Uint8Array; - }): Promise { + }): Promise { return this.retryForever(async () => { const formData = new FormData(); - if (documentId !== undefined) { - formData.append("document_id", documentId); - } + formData.append("relative_path", relativePath); formData.append( "content", @@ -86,7 +82,7 @@ export class SyncService { ); this.logger.debug( - `Creating document with id ${documentId} and relative path ${relativePath}` + `Creating document with relative path ${relativePath}` ); const response = await this.client(this.getUrl("/documents"), { @@ -103,8 +99,8 @@ export class SyncService { ); } - const result: DocumentVersionWithoutContent = - (await response.json()) as DocumentVersionWithoutContent; // eslint-disable-line @typescript-eslint/no-unsafe-type-assertion + const result: DocumentUpdateResponse = + (await response.json()) as DocumentUpdateResponse; // eslint-disable-line @typescript-eslint/no-unsafe-type-assertion this.logger.debug(`Created document ${JSON.stringify(result)}`); diff --git a/frontend/sync-client/src/services/types/ClientCursors.ts b/frontend/sync-client/src/services/types/ClientCursors.ts index 5b1ec040..e8c9b93d 100644 --- a/frontend/sync-client/src/services/types/ClientCursors.ts +++ b/frontend/sync-client/src/services/types/ClientCursors.ts @@ -1,4 +1,8 @@ // This file was generated by [ts-rs](https://github.com/Aleph-Alpha/ts-rs). Do not edit this file manually. import type { DocumentWithCursors } from "./DocumentWithCursors"; -export interface ClientCursors { userName: string, deviceId: string, documentsWithCursors: DocumentWithCursors[], } +export interface ClientCursors { + userName: string; + deviceId: string; + documentsWithCursors: DocumentWithCursors[]; +} diff --git a/frontend/sync-client/src/services/types/CreateDocumentVersion.ts b/frontend/sync-client/src/services/types/CreateDocumentVersion.ts index d4ed2831..17103be5 100644 --- a/frontend/sync-client/src/services/types/CreateDocumentVersion.ts +++ b/frontend/sync-client/src/services/types/CreateDocumentVersion.ts @@ -1,3 +1,6 @@ // This file was generated by [ts-rs](https://github.com/Aleph-Alpha/ts-rs). Do not edit this file manually. -export interface CreateDocumentVersion { relative_path: string, content: number[], } +export interface CreateDocumentVersion { + relative_path: string; + content: number[]; +} diff --git a/frontend/sync-client/src/services/types/CursorPositionFromClient.ts b/frontend/sync-client/src/services/types/CursorPositionFromClient.ts index 78823b5d..ee937f4e 100644 --- a/frontend/sync-client/src/services/types/CursorPositionFromClient.ts +++ b/frontend/sync-client/src/services/types/CursorPositionFromClient.ts @@ -1,4 +1,6 @@ // This file was generated by [ts-rs](https://github.com/Aleph-Alpha/ts-rs). Do not edit this file manually. import type { DocumentWithCursors } from "./DocumentWithCursors"; -export interface CursorPositionFromClient { documentsWithCursors: DocumentWithCursors[], } +export interface CursorPositionFromClient { + documentsWithCursors: DocumentWithCursors[]; +} diff --git a/frontend/sync-client/src/services/types/CursorPositionFromServer.ts b/frontend/sync-client/src/services/types/CursorPositionFromServer.ts index ed6ac7b2..52a24f27 100644 --- a/frontend/sync-client/src/services/types/CursorPositionFromServer.ts +++ b/frontend/sync-client/src/services/types/CursorPositionFromServer.ts @@ -1,4 +1,6 @@ // This file was generated by [ts-rs](https://github.com/Aleph-Alpha/ts-rs). Do not edit this file manually. import type { ClientCursors } from "./ClientCursors"; -export interface CursorPositionFromServer { clients: ClientCursors[], } +export interface CursorPositionFromServer { + clients: ClientCursors[]; +} diff --git a/frontend/sync-client/src/services/types/CursorSpan.ts b/frontend/sync-client/src/services/types/CursorSpan.ts index 7424067c..2cc2b7fc 100644 --- a/frontend/sync-client/src/services/types/CursorSpan.ts +++ b/frontend/sync-client/src/services/types/CursorSpan.ts @@ -1,3 +1,6 @@ // This file was generated by [ts-rs](https://github.com/Aleph-Alpha/ts-rs). Do not edit this file manually. -export interface CursorSpan { start: number, end: number, } +export interface CursorSpan { + start: number; + end: number; +} diff --git a/frontend/sync-client/src/services/types/DeleteDocumentVersion.ts b/frontend/sync-client/src/services/types/DeleteDocumentVersion.ts index f160406f..99ecc9e7 100644 --- a/frontend/sync-client/src/services/types/DeleteDocumentVersion.ts +++ b/frontend/sync-client/src/services/types/DeleteDocumentVersion.ts @@ -1,3 +1,5 @@ // This file was generated by [ts-rs](https://github.com/Aleph-Alpha/ts-rs). Do not edit this file manually. -export type DeleteDocumentVersion = Record; +export interface DeleteDocumentVersion { + relativePath: string; +} diff --git a/frontend/sync-client/src/services/types/DocumentUpdateResponse.ts b/frontend/sync-client/src/services/types/DocumentUpdateResponse.ts index 418117e6..7fd06c7a 100644 --- a/frontend/sync-client/src/services/types/DocumentUpdateResponse.ts +++ b/frontend/sync-client/src/services/types/DocumentUpdateResponse.ts @@ -5,4 +5,6 @@ import type { DocumentVersionWithoutContent } from "./DocumentVersionWithoutCont /** * Response to an update document request. */ -export type DocumentUpdateResponse = { "type": "FastForwardUpdate" } & DocumentVersionWithoutContent | { "type": "MergingUpdate" } & DocumentVersion; +export type DocumentUpdateResponse = + | ({ type: "FastForwardUpdate" } & DocumentVersionWithoutContent) + | ({ type: "MergingUpdate" } & DocumentVersion); diff --git a/frontend/sync-client/src/services/types/DocumentVersion.ts b/frontend/sync-client/src/services/types/DocumentVersion.ts index 3d50ae65..3b9aa37b 100644 --- a/frontend/sync-client/src/services/types/DocumentVersion.ts +++ b/frontend/sync-client/src/services/types/DocumentVersion.ts @@ -1,3 +1,12 @@ // This file was generated by [ts-rs](https://github.com/Aleph-Alpha/ts-rs). Do not edit this file manually. -export interface DocumentVersion { vaultUpdateId: number, documentId: string, relativePath: string, updatedDate: string, contentBase64: string, isDeleted: boolean, userId: string, deviceId: string, } +export interface DocumentVersion { + vaultUpdateId: number; + documentId: string; + relativePath: string; + updatedDate: string; + contentBase64: string; + isDeleted: boolean; + userId: string; + deviceId: string; +} diff --git a/frontend/sync-client/src/services/types/DocumentVersionWithoutContent.ts b/frontend/sync-client/src/services/types/DocumentVersionWithoutContent.ts index af064db8..4b24e7c5 100644 --- a/frontend/sync-client/src/services/types/DocumentVersionWithoutContent.ts +++ b/frontend/sync-client/src/services/types/DocumentVersionWithoutContent.ts @@ -1,3 +1,12 @@ // This file was generated by [ts-rs](https://github.com/Aleph-Alpha/ts-rs). Do not edit this file manually. -export interface DocumentVersionWithoutContent { vaultUpdateId: number, documentId: string, relativePath: string, updatedDate: string, isDeleted: boolean, userId: string, deviceId: string, contentSize: number, } +export interface DocumentVersionWithoutContent { + vaultUpdateId: number; + documentId: string; + relativePath: string; + updatedDate: string; + isDeleted: boolean; + userId: string; + deviceId: string; + contentSize: number; +} diff --git a/frontend/sync-client/src/services/types/DocumentWithCursors.ts b/frontend/sync-client/src/services/types/DocumentWithCursors.ts index e7dad119..dcfe6e2d 100644 --- a/frontend/sync-client/src/services/types/DocumentWithCursors.ts +++ b/frontend/sync-client/src/services/types/DocumentWithCursors.ts @@ -1,4 +1,9 @@ // This file was generated by [ts-rs](https://github.com/Aleph-Alpha/ts-rs). Do not edit this file manually. import type { CursorSpan } from "./CursorSpan"; -export interface DocumentWithCursors { vault_update_id: number | null, document_id: string, relative_path: string, cursors: CursorSpan[], } +export interface DocumentWithCursors { + vault_update_id: number | null; + document_id: string; + relative_path: string; + cursors: CursorSpan[]; +} diff --git a/frontend/sync-client/src/services/types/FetchLatestDocumentsResponse.ts b/frontend/sync-client/src/services/types/FetchLatestDocumentsResponse.ts index 3be625bd..315d701a 100644 --- a/frontend/sync-client/src/services/types/FetchLatestDocumentsResponse.ts +++ b/frontend/sync-client/src/services/types/FetchLatestDocumentsResponse.ts @@ -4,8 +4,10 @@ import type { DocumentVersionWithoutContent } from "./DocumentVersionWithoutCont /** * Response to a fetch latest documents request. */ -export interface FetchLatestDocumentsResponse { latestDocuments: DocumentVersionWithoutContent[], -/** - * The update ID of the latest document in the response. - */ -lastUpdateId: bigint, } +export interface FetchLatestDocumentsResponse { + latestDocuments: DocumentVersionWithoutContent[]; + /** + * The update ID of the latest document in the response. + */ + lastUpdateId: bigint; +} diff --git a/frontend/sync-client/src/services/types/PingResponse.ts b/frontend/sync-client/src/services/types/PingResponse.ts index ba8ceb48..f96520e9 100644 --- a/frontend/sync-client/src/services/types/PingResponse.ts +++ b/frontend/sync-client/src/services/types/PingResponse.ts @@ -3,22 +3,23 @@ /** * Response to a ping request. */ -export interface PingResponse { -/** - * Semantic version of the server. - */ -serverVersion: string, -/** - * Whether the client is authenticated based on the sent Authorization - * header. - */ -isAuthenticated: boolean, -/** - * List of file extensions that are allowed to be merged. - */ -mergeableFileExtensions: string[], -/** - * API version ensuring backwards & forwards compatibility between the client - * and server. - */ -supportedApiVersion: number, } +export interface PingResponse { + /** + * Semantic version of the server. + */ + serverVersion: string; + /** + * Whether the client is authenticated based on the sent Authorization + * header. + */ + isAuthenticated: boolean; + /** + * List of file extensions that are allowed to be merged. + */ + mergeableFileExtensions: string[]; + /** + * API version ensuring backwards & forwards compatibility between the client + * and server. + */ + supportedApiVersion: number; +} diff --git a/frontend/sync-client/src/services/types/SerializedError.ts b/frontend/sync-client/src/services/types/SerializedError.ts index 4389289e..ec1c4503 100644 --- a/frontend/sync-client/src/services/types/SerializedError.ts +++ b/frontend/sync-client/src/services/types/SerializedError.ts @@ -1,3 +1,7 @@ // This file was generated by [ts-rs](https://github.com/Aleph-Alpha/ts-rs). Do not edit this file manually. -export interface SerializedError { errorType: string, message: string, causes: string[], } +export interface SerializedError { + errorType: string; + message: string; + causes: string[]; +} diff --git a/frontend/sync-client/src/services/types/UpdateTextDocumentVersion.ts b/frontend/sync-client/src/services/types/UpdateTextDocumentVersion.ts index aeb69f5a..46f36bd0 100644 --- a/frontend/sync-client/src/services/types/UpdateTextDocumentVersion.ts +++ b/frontend/sync-client/src/services/types/UpdateTextDocumentVersion.ts @@ -1,3 +1,7 @@ // This file was generated by [ts-rs](https://github.com/Aleph-Alpha/ts-rs). Do not edit this file manually. -export interface UpdateTextDocumentVersion { parentVersionId: number, relativePath: string, content: (number | string)[], } +export interface UpdateTextDocumentVersion { + parentVersionId: number; + relativePath: string; + content: (number | string)[]; +} diff --git a/frontend/sync-client/src/services/types/WebSocketClientMessage.ts b/frontend/sync-client/src/services/types/WebSocketClientMessage.ts index 5765a0d0..9608f3af 100644 --- a/frontend/sync-client/src/services/types/WebSocketClientMessage.ts +++ b/frontend/sync-client/src/services/types/WebSocketClientMessage.ts @@ -2,4 +2,6 @@ import type { CursorPositionFromClient } from "./CursorPositionFromClient"; import type { WebSocketHandshake } from "./WebSocketHandshake"; -export type WebSocketClientMessage = { "type": "handshake" } & WebSocketHandshake | { "type": "cursorPositions" } & CursorPositionFromClient; +export type WebSocketClientMessage = + | ({ type: "handshake" } & WebSocketHandshake) + | ({ type: "cursorPositions" } & CursorPositionFromClient); diff --git a/frontend/sync-client/src/services/types/WebSocketHandshake.ts b/frontend/sync-client/src/services/types/WebSocketHandshake.ts index d25651f9..a2910f49 100644 --- a/frontend/sync-client/src/services/types/WebSocketHandshake.ts +++ b/frontend/sync-client/src/services/types/WebSocketHandshake.ts @@ -1,3 +1,7 @@ // This file was generated by [ts-rs](https://github.com/Aleph-Alpha/ts-rs). Do not edit this file manually. -export interface WebSocketHandshake { token: string, deviceId: string, lastSeenVaultUpdateId: number | null, } +export interface WebSocketHandshake { + token: string; + deviceId: string; + lastSeenVaultUpdateId: number | null; +} diff --git a/frontend/sync-client/src/services/types/WebSocketServerMessage.ts b/frontend/sync-client/src/services/types/WebSocketServerMessage.ts index 45e37358..fd250b7b 100644 --- a/frontend/sync-client/src/services/types/WebSocketServerMessage.ts +++ b/frontend/sync-client/src/services/types/WebSocketServerMessage.ts @@ -2,4 +2,6 @@ import type { CursorPositionFromServer } from "./CursorPositionFromServer"; import type { WebSocketVaultUpdate } from "./WebSocketVaultUpdate"; -export type WebSocketServerMessage = { "type": "vaultUpdate" } & WebSocketVaultUpdate | { "type": "cursorPositions" } & CursorPositionFromServer; +export type WebSocketServerMessage = + | ({ type: "vaultUpdate" } & WebSocketVaultUpdate) + | ({ type: "cursorPositions" } & CursorPositionFromServer); diff --git a/frontend/sync-client/src/services/types/WebSocketVaultUpdate.ts b/frontend/sync-client/src/services/types/WebSocketVaultUpdate.ts index 39e03b6f..f1ea0f80 100644 --- a/frontend/sync-client/src/services/types/WebSocketVaultUpdate.ts +++ b/frontend/sync-client/src/services/types/WebSocketVaultUpdate.ts @@ -1,4 +1,7 @@ // This file was generated by [ts-rs](https://github.com/Aleph-Alpha/ts-rs). Do not edit this file manually. import type { DocumentVersionWithoutContent } from "./DocumentVersionWithoutContent"; -export interface WebSocketVaultUpdate { documents: DocumentVersionWithoutContent[], isInitialSync: boolean, } +export interface WebSocketVaultUpdate { + documents: DocumentVersionWithoutContent[]; + isInitialSync: boolean; +} diff --git a/frontend/sync-client/src/services/websocket-manager.test.ts b/frontend/sync-client/src/services/websocket-manager.test.ts index fef901e7..3b61b5a1 100644 --- a/frontend/sync-client/src/services/websocket-manager.test.ts +++ b/frontend/sync-client/src/services/websocket-manager.test.ts @@ -4,8 +4,6 @@ import assert from "node:assert"; import { WebSocketManager } from "./websocket-manager"; import type { Logger } from "../tracing/logger"; import type { Settings } from "../persistence/settings"; -// eslint-disable-next-line @typescript-eslint/no-require-imports -const WebSocket = require("ws") as typeof globalThis.WebSocket; class MockCloseEvent extends Event { public code: number; @@ -91,10 +89,8 @@ function createMockFn unknown>( describe("WebSocketManager", () => { let mockLogger: Logger = undefined as unknown as Logger; let mockSettings: Settings = undefined as unknown as Settings; - let deviceId = "test-device-123"; beforeEach(() => { - deviceId = "test-device-123"; const noop = (): void => { // Intentionally empty for mock }; @@ -116,7 +112,6 @@ describe("WebSocketManager", () => { it("cleans up promises after message handling", async () => { const manager = new WebSocketManager( - deviceId, mockLogger, mockSettings, MockWebSocket as unknown as typeof WebSocket @@ -146,7 +141,6 @@ describe("WebSocketManager", () => { it("cleans up cursor position promises", async () => { const manager = new WebSocketManager( - deviceId, mockLogger, mockSettings, MockWebSocket as unknown as typeof WebSocket @@ -176,7 +170,6 @@ describe("WebSocketManager", () => { it("logs handshake send errors", async () => { const manager = new WebSocketManager( - deviceId, mockLogger, mockSettings, MockWebSocket as unknown as typeof WebSocket @@ -205,7 +198,6 @@ describe("WebSocketManager", () => { it("completes stop with timeout protection", async () => { const manager = new WebSocketManager( - deviceId, mockLogger, mockSettings, MockWebSocket as unknown as typeof WebSocket @@ -220,7 +212,6 @@ describe("WebSocketManager", () => { it("clears old handlers on reconnection", async () => { const manager = new WebSocketManager( - deviceId, mockLogger, mockSettings, MockWebSocket as unknown as typeof WebSocket @@ -257,7 +248,6 @@ describe("WebSocketManager", () => { it("tracks message handling promises", async () => { const manager = new WebSocketManager( - deviceId, mockLogger, mockSettings, MockWebSocket as unknown as typeof WebSocket diff --git a/frontend/sync-client/src/services/websocket-manager.ts b/frontend/sync-client/src/services/websocket-manager.ts index 09787bce..e99b8662 100644 --- a/frontend/sync-client/src/services/websocket-manager.ts +++ b/frontend/sync-client/src/services/websocket-manager.ts @@ -6,7 +6,10 @@ import type { CursorPositionFromClient } from "./types/CursorPositionFromClient" import type { ClientCursors } from "./types/ClientCursors"; import { createPromise } from "../utils/create-promise"; import type { WebSocketVaultUpdate } from "./types/WebSocketVaultUpdate"; -import { WEBSOCKET_DISCONNECT_TIMEOUT_IN_S } from "../consts"; +import { + WEBSOCKET_DISCONNECT_TIMEOUT_IN_SECONDS, + WEBSOCKET_CONNECTION_TIMEOUT_IN_SECONDS +} from "../consts"; import { removeFromArray } from "../utils/remove-from-array"; import { EventListeners } from "../utils/data-structures/event-listeners"; import { awaitAll } from "../utils/await-all"; @@ -27,32 +30,17 @@ export class WebSocketManager { private isStopped = true; private resolveDisconnectingPromise: null | (() => unknown) = null; private reconnectTimeoutId: ReturnType | undefined; + private connectionTimeoutId: ReturnType | undefined; private readonly outstandingPromises: Promise[] = []; private webSocket: WebSocket | undefined; - private readonly webSocketFactoryImplementation: typeof globalThis.WebSocket; public constructor( - private readonly deviceId: string, private readonly logger: Logger, private readonly settings: Settings, - webSocketImplementation?: typeof globalThis.WebSocket - ) { - if (webSocketImplementation) { - this.webSocketFactoryImplementation = webSocketImplementation; - } else { - if ( - typeof globalThis !== "undefined" && - typeof globalThis.WebSocket === "undefined" - ) { - // eslint-disable-next-line - this.webSocketFactoryImplementation = require("ws"); // polyfill for WebSocket in Node.js - } else { - this.webSocketFactoryImplementation = WebSocket; - } - } - } + private readonly webSocketFactoryImplementation: typeof globalThis.WebSocket = WebSocket + ) {} public get isWebSocketConnected(): boolean { return ( @@ -77,6 +65,11 @@ export class WebSocketManager { this.reconnectTimeoutId = undefined; } + if (this.connectionTimeoutId !== undefined) { + clearTimeout(this.connectionTimeoutId); + this.connectionTimeoutId = undefined; + } + this.webSocket?.close(1000, "WebSocketManager has been stopped"); // eslint-disable-next-line @typescript-eslint/init-declarations @@ -85,10 +78,10 @@ export class WebSocketManager { timeoutId = setTimeout(() => { reject( new Error( - `Timeout waiting for WebSocket to close after ${WEBSOCKET_DISCONNECT_TIMEOUT_IN_S} seconds` + `Timeout waiting for WebSocket to close after ${WEBSOCKET_DISCONNECT_TIMEOUT_IN_SECONDS} seconds` ) ); - }, WEBSOCKET_DISCONNECT_TIMEOUT_IN_S * 1000); + }, WEBSOCKET_DISCONNECT_TIMEOUT_IN_SECONDS * 1000); }); try { @@ -171,7 +164,10 @@ export class WebSocketManager { this.webSocket.onclose = null; this.webSocket.onmessage = null; this.webSocket.onerror = null; - this.webSocket.close(); + this.webSocket.close( + 1000, + "Closing previous WebSocket connection" + ); } catch (e) { this.logger.error( `Failed to close previous WebSocket connection: ${e}` @@ -187,7 +183,22 @@ export class WebSocketManager { this.webSocket = new this.webSocketFactoryImplementation(wsUri); + // Set connection timeout to handle cases where server is down and the WebSocket connection won't open + this.connectionTimeoutId = setTimeout(() => { + this.connectionTimeoutId = undefined; + this.logger.warn( + `WebSocket connection timeout after ${WEBSOCKET_CONNECTION_TIMEOUT_IN_SECONDS} seconds` + ); + // Force close to trigger onclose handler which will schedule reconnection + this.webSocket?.close(1000, "Connection timeout"); + }, WEBSOCKET_CONNECTION_TIMEOUT_IN_SECONDS * 1000); + this.webSocket.onopen = (): void => { + if (this.connectionTimeoutId !== undefined) { + clearTimeout(this.connectionTimeoutId); + this.connectionTimeoutId = undefined; + } + // Check if we've been stopped while connecting if (this.isStopped) { this.webSocket?.close( @@ -231,7 +242,18 @@ export class WebSocketManager { } }; + this.webSocket.onerror = (error): void => { + this.logger.warn( + `WebSocket error occurred: ${error instanceof ErrorEvent ? error.message : "Unknown error"}` + ); + }; + this.webSocket.onclose = (event): void => { + if (this.connectionTimeoutId !== undefined) { + clearTimeout(this.connectionTimeoutId); + this.connectionTimeoutId = undefined; + } + this.logger.warn( `WebSocket closed with code ${event.code} (${event.reason == "" ? "unknown reason" : event.reason})` ); @@ -241,10 +263,13 @@ export class WebSocketManager { this.resolveDisconnectingPromise?.(); this.resolveDisconnectingPromise = null; } else { + const delay = + this.settings.getSettings().webSocketRetryIntervalMs; + this.logger.info(`Reconnecting to WebSocket in ${delay}ms...`); this.reconnectTimeoutId = setTimeout(() => { this.reconnectTimeoutId = undefined; this.initializeWebSocket(); - }, this.settings.getSettings().webSocketRetryIntervalMs); + }, delay); } }; } diff --git a/frontend/sync-client/src/sync-client.ts b/frontend/sync-client/src/sync-client.ts index 2a272c86..db6ff902 100644 --- a/frontend/sync-client/src/sync-client.ts +++ b/frontend/sync-client/src/sync-client.ts @@ -29,7 +29,6 @@ import { ServerConfig } from "./services/server-config"; import type { EventListeners } from "./utils/data-structures/event-listeners"; export class SyncClient { - private hasStartedOfflineSync = false; private hasFinishedOfflineSync = false; private hasStarted = false; private hasBeenDestroyed = false; @@ -38,12 +37,12 @@ export class SyncClient { private readonly eventUnsubscribers: (() => void)[] = []; private constructor( + public readonly logger: Logger, private readonly history: SyncHistory, private readonly settings: Settings, private readonly database: Database, private readonly syncer: Syncer, private readonly webSocketManager: WebSocketManager, - public readonly logger: Logger, private readonly fetchController: FetchController, private readonly cursorTracker: CursorTracker, private readonly fileChangeNotifier: FileChangeNotifier, @@ -56,7 +55,7 @@ export class SyncClient { database: Partial; }> > - ) {} + ) { } public get documentCount(): number { return this.database.length; @@ -195,7 +194,6 @@ export class SyncClient { ); const webSocketManager = new WebSocketManager( - deviceId, logger, settings, webSocket @@ -206,7 +204,6 @@ export class SyncClient { logger, database, settings, - syncService, webSocketManager, fileOperations, unrestrictedSyncer @@ -214,18 +211,19 @@ export class SyncClient { const fileChangeNotifier = new FileChangeNotifier(); const cursorTracker = new CursorTracker( + logger, database, webSocketManager, fileOperations, fileChangeNotifier ); const client = new SyncClient( + logger, history, settings, database, syncer, webSocketManager, - logger, fetchController, cursorTracker, fileChangeNotifier, @@ -285,10 +283,10 @@ export class SyncClient { } /** - * Reload settings from disk overriding current in-memory settings. - * Missing values will be filled in from DEFAULT_SETTINGS rather than - * retaining current in-memory settings. - */ + * Reload settings from disk overriding current in-memory settings. + * Missing values will be filled in from DEFAULT_SETTINGS rather than + * retaining current in-memory settings. + */ public async reloadSettings(): Promise { this.checkIfDestroyed("reloadSettings"); @@ -320,10 +318,10 @@ export class SyncClient { } /** - * Wait for the in-flight operations to finish, reset all tracking, - * and the local database but retain the settings. - * The SyncClient can be used again after calling this method. - */ + * Wait for the in-flight operations to finish, reset all tracking, + * and the local database but retain the settings. + * The SyncClient can be used again after calling this method. + */ public async reset(): Promise { this.checkIfDestroyed("reset"); @@ -337,11 +335,12 @@ export class SyncClient { this.database.reset(); await this.database.save(); // ensure the new database reads as empty this.resetInMemoryState(); - this.hasStartedOfflineSync = false; this.hasFinishedOfflineSync = false; this.serverConfig.reset(); - await this.startSyncing(); + if (this.settings.getSettings().isSyncEnabled) { + await this.startSyncing(); + } } public getSettings(): SyncSettings { @@ -410,12 +409,7 @@ export class SyncClient { return DocumentSyncStatus.SYNCING; } - const document = - this.database.getLatestDocumentByRelativePath(relativePath); - if (document === undefined) { - return DocumentSyncStatus.SYNCING; - } - return document.updates.length > 0 + return this.syncer.hasPendingOperationsForDocument(relativePath) ? DocumentSyncStatus.SYNCING : DocumentSyncStatus.UP_TO_DATE; } @@ -436,9 +430,9 @@ export class SyncClient { } /** - * Completely destroy the SyncClient, cancelling all in-progress operations. - * After calling this method, the SyncClient cannot be used again. - */ + * Completely destroy the SyncClient, cancelling all in-progress operations. + * After calling this method, the SyncClient cannot be used again. + */ public async destroy(): Promise { this.checkIfDestroyed("destroy"); @@ -473,18 +467,17 @@ export class SyncClient { this.checkIfDestroyed("startSyncing"); this.fetchController.finishReset(); - await this.serverConfig.initialize(); - this.webSocketManager.start(); + // warm the cache + await this.serverConfig.getConfig(); - if (!this.hasStartedOfflineSync) { - this.hasStartedOfflineSync = true; - await this.syncer.scheduleSyncForOfflineChanges(); - } + await this.syncer.scheduleSyncForOfflineChanges(); + this.webSocketManager.start(); this.hasFinishedOfflineSync = true; } private async pause(): Promise { + this.hasFinishedOfflineSync = false; this.fetchController.startReset(); await this.webSocketManager.stop(); await this.waitUntilFinished(); diff --git a/frontend/sync-client/src/sync-operations/cursor-tracker.ts b/frontend/sync-client/src/sync-operations/cursor-tracker.ts index bdd7d9b7..589e4b3b 100644 --- a/frontend/sync-client/src/sync-operations/cursor-tracker.ts +++ b/frontend/sync-client/src/sync-operations/cursor-tracker.ts @@ -10,6 +10,7 @@ import { hash } from "../utils/hash"; import type { FileChangeNotifier } from "./file-change-notifier"; import { Lock } from "../utils/data-structures/locks"; import { EventListeners } from "../utils/data-structures/event-listeners"; +import { Logger } from "../tracing/logger"; // Cursor positions are updated separately from documents. However, a given cursor position is only // valid within a certain version of the document it belongs to. This class tracks previous and the latest @@ -22,7 +23,7 @@ export class CursorTracker { (cursors: MaybeOutdatedClientCursors[]) => unknown >(); - private readonly updateLock = new Lock(); + private readonly updateLock: Lock; private knownRemoteCursors: (ClientCursors & { upToDateness: DocumentUpToDateness; @@ -33,11 +34,14 @@ export class CursorTracker { []; public constructor( + private readonly logger: Logger, private readonly database: Database, private readonly webSocketManager: WebSocketManager, private readonly fileOperations: FileOperations, private readonly fileChangeNotifier: FileChangeNotifier ) { + this.updateLock = new Lock(CursorTracker.name, logger); + this.webSocketManager.onRemoteCursorsUpdateReceived.add( async (clientCursors) => { await this.updateLock.withLock(async () => { @@ -113,7 +117,7 @@ export class CursorTracker { documentsWithCursors.push({ relative_path: relativePath, - document_id: record.documentId, + document_id: record.metadata.documentId, vault_update_id: record.metadata.parentVersionId, cursors: cursors.map(({ start, end }) => ({ start: Math.min(start, end), diff --git a/frontend/sync-client/src/sync-operations/syncer.ts b/frontend/sync-client/src/sync-operations/syncer.ts index 71dedd85..05e3bdf0 100644 --- a/frontend/sync-client/src/sync-operations/syncer.ts +++ b/frontend/sync-client/src/sync-operations/syncer.ts @@ -4,17 +4,14 @@ import type { DocumentRecord, RelativePath } from "../persistence/database"; -import type { SyncService } from "../services/sync-service"; import type { Logger } from "../tracing/logger"; import PQueue from "p-queue"; import { hash } from "../utils/hash"; -import { v4 as uuidv4 } from "uuid"; import type { Settings } from "../persistence/settings"; import type { FileOperations } from "../file-operations/file-operations"; import { findMatchingFile } from "../utils/find-matching-file"; import type { UnrestrictedSyncer } from "./unrestricted-syncer"; -import { createPromise } from "../utils/create-promise"; -import { SyncResetError } from "../services/sync-reset-error"; +import { SyncResetError } from "../errors/sync-reset-error"; import { Locks } from "../utils/data-structures/locks"; import type { DocumentVersionWithoutContent } from "../services/types/DocumentVersionWithoutContent"; import type { WebSocketVaultUpdate } from "../services/types/WebSocketVaultUpdate"; @@ -28,7 +25,7 @@ export class Syncer { (remainingOperations: number) => unknown >(); - private readonly remoteDocumentsLock: Locks; + public readonly updatedDocumentsByPathAndKeysLocks: Locks; // can be DocumentId or RelativePath // FIFO to limit the number of concurrent sync operations private readonly syncQueue: PQueue; @@ -42,16 +39,18 @@ export class Syncer { private readonly logger: Logger, private readonly database: Database, private readonly settings: Settings, - private readonly syncService: SyncService, private readonly webSocketManager: WebSocketManager, private readonly operations: FileOperations, - private readonly internalSyncer: UnrestrictedSyncer + private readonly unrestrictedSyncer: UnrestrictedSyncer ) { this.syncQueue = new PQueue({ concurrency: settings.getSettings().syncConcurrency }); - this.remoteDocumentsLock = new Locks(this.logger); + this.updatedDocumentsByPathAndKeysLocks = new Locks( + Syncer.name, + this.logger + ); settings.onSettingsChanged.add((newSettings, oldSettings) => { if (newSettings.syncConcurrency !== oldSettings.syncConcurrency) { @@ -83,52 +82,50 @@ export class Syncer { return this._isFirstSyncComplete; } + public hasPendingOperationsForDocument(relativePath: string): boolean { + return this.updatedDocumentsByPathAndKeysLocks.isLocked(relativePath); + } + public async syncLocallyCreatedFile( relativePath: RelativePath ): Promise { + // check whether someone else has already created the document in the database if ( this.database.getLatestDocumentByRelativePath(relativePath) ?.isDeleted === false ) { + // This is likely a consequence of us creating a file because of a remote update + // which triggered a local create, so we don't need to do anything here. this.logger.debug( `Document ${relativePath} already exists in the database, skipping` ); return; } - const [promise, resolve, reject] = createPromise(); + const document = this.database.createNewPendingDocument(relativePath); - const id = uuidv4(); - const document = this.database.createNewPendingDocument( - id, - relativePath, - promise + await this.enqueueSyncOperation( + async () => + this.unrestrictedSyncer.unrestrictedSyncLocallyCreatedOrUpdatedFile( + { + document + } + ), + [relativePath] ); - - try { - await this.syncQueue.add(async () => - this.internalSyncer.unrestrictedSyncLocallyCreatedFile(document) - ); - - resolve(); - } catch (e) { - reject(e); - } finally { - this.database.removeDocumentPromise(promise); - } } public async syncLocallyDeletedFile( relativePath: RelativePath ): Promise { - if ( - this.database.getLatestDocumentByRelativePath(relativePath) - ?.isDeleted === true - ) { + let document = + this.database.getLatestDocumentByRelativePath(relativePath); + + if (document == null || document.isDeleted === true) { // This is must be a consequence of us deleting a file because of a remote update // which triggered a local delete, so we don't need to do anything here. this.logger.debug( - `Document ${relativePath} has already been markes as deleted, skipping` + `Document ${relativePath} has already been marked as deleted, skipping` ); return; } @@ -137,26 +134,13 @@ export class Syncer { // document which finishes after the delete has succeeded and would introduce a phantom metadata record. this.database.delete(relativePath); - const [promise, resolve, reject] = createPromise(); - - const document = await this.database.getResolvedDocumentByRelativePath( - relativePath, - promise - ); - - try { - await this.syncQueue.add(async () => - this.internalSyncer.unrestrictedSyncLocallyDeletedFile(document) + await this.enqueueSyncOperation(async () => { + await this.unrestrictedSyncer.unrestrictedSyncLocallyDeletedFile( + document ); - resolve(); - this.database.removeDocument(document); - } catch (e) { - reject(e); - } finally { - this.database.removeDocumentPromise(promise); - } + }, [document?.metadata?.documentId, relativePath]); } public async syncLocallyUpdatedFile({ @@ -166,38 +150,10 @@ export class Syncer { oldPath?: RelativePath; relativePath: RelativePath; }): Promise { - if (oldPath !== undefined) { - // We might have moved the document in the database before calling this method, - // in that case, we mustn't move it again. - if ( - this.database.getLatestDocumentByRelativePath(relativePath) === - undefined || - this.database.getLatestDocumentByRelativePath(relativePath) - ?.isDeleted === true - ) { - if (oldPath === relativePath) { - throw new Error( - `Old path and new path are the same: ${oldPath}` - ); - } - - this.database.move(oldPath, relativePath); - } - } - - let document = - this.database.getLatestDocumentByRelativePath(relativePath); - - if ( - oldPath !== undefined && - document?.metadata?.remoteRelativePath === relativePath - ) { - this.logger.debug( - `Document ${relativePath} has been moved as a result of a remote update, skipping sync` - ); - return; - } + const document = + this.database.getLatestDocumentByRelativePath(oldPath ?? relativePath); + // must have been removed after a successful delete if (document === undefined) { this.logger.debug( `Cannot find document ${relativePath} in the database, skipping` @@ -212,27 +168,47 @@ export class Syncer { return; } - const [promise, resolve, reject] = createPromise(); + const documentAtNewPath = + this.database.getLatestDocumentByRelativePath(relativePath); - document = await this.database.getResolvedDocumentByRelativePath( - relativePath, - promise - ); + if (oldPath !== undefined) { + // We might have moved the document in the database before calling this method, + // in that case, we mustn't move it again. + if ( + documentAtNewPath === undefined || + documentAtNewPath.isDeleted + ) { + if (oldPath === relativePath) { + throw new Error( + `Old path and new path are the same: ${oldPath}` + ); + } - try { - await this.syncQueue.add(async () => - this.internalSyncer.unrestrictedSyncLocallyUpdatedFile({ - oldPath, - document - }) - ); - - resolve(); - } catch (e) { - reject(e); - } finally { - this.database.removeDocumentPromise(promise); + this.database.move(oldPath, relativePath); + } } + + + if ( + oldPath !== undefined && + document?.metadata?.remoteRelativePath === relativePath + ) { + this.logger.debug( + `Document ${relativePath} has been moved as a result of a remote update, skipping sync` + ); + return; + } + + await this.enqueueSyncOperation( + async () => + this.unrestrictedSyncer.unrestrictedSyncLocallyCreatedOrUpdatedFile( + { + oldPath, + document + } + ), + [document.metadata?.documentId, relativePath, oldPath] + ); } public async scheduleSyncForOfflineChanges(): Promise { @@ -257,8 +233,6 @@ export class Syncer { `Not all local changes have been applied remotely: ${e}` ); throw e; - } finally { - this.runningScheduleSyncForOfflineChanges = undefined; } } @@ -271,6 +245,8 @@ export class Syncer { message: WebSocketVaultUpdate ): Promise { try { + await this.scheduleSyncForOfflineChanges(); + const handlerPromise = awaitAll( message.documents.map(async (document) => this.internalSyncRemotelyUpdatedFile(document) @@ -296,7 +272,7 @@ export class Syncer { public reset(): void { this._isFirstSyncComplete = false; this.syncQueue.clear(); - this.remoteDocumentsLock.reset(); + this.updatedDocumentsByPathAndKeysLocks.reset(); this.runningScheduleSyncForOfflineChanges = undefined; } @@ -313,86 +289,26 @@ export class Syncer { private async internalSyncRemotelyUpdatedFile( remoteVersion: DocumentVersionWithoutContent ): Promise { - let document = this.database.getDocumentByDocumentId( + const document = this.database.getDocumentByDocumentId( remoteVersion.documentId ); - - if (document === undefined) { - // Let's avoid the same documents getting created in parallel multiple times. - // There might be multiple tasks waiting for the lock - return this.remoteDocumentsLock.withLock( - remoteVersion.documentId, - async () => { - document = this.database.getDocumentByDocumentId( - remoteVersion.documentId - ); - - // We're either the first one to get the lock, so we have to create the document in `unrestrictedSyncRemotelyUpdatedFile` - if (document === undefined) { - await this.syncQueue.add(async () => - this.internalSyncer.unrestrictedSyncRemotelyUpdatedFile( - remoteVersion - ) - ); - } else { - const [promise, resolve, reject] = createPromise(); - - document = - await this.database.getResolvedDocumentByRelativePath( - document.relativePath, - promise - ); - - try { - await this.syncQueue.add(async () => - this.internalSyncer.unrestrictedSyncRemotelyUpdatedFile( - remoteVersion, - document - ) - ); - - resolve(); - } catch (e) { - reject(e); - } finally { - this.database.removeDocumentPromise(promise); - } - } - - this.database.addSeenUpdateId(remoteVersion.vaultUpdateId); - } - ); - } - - // We're either the first one to get the lock, so we have to create the document in `unrestrictedSyncRemotelyUpdatedFile` - const [promise, resolve, reject] = createPromise(); - - document = await this.database.getResolvedDocumentByRelativePath( - document.relativePath, - promise - ); - - try { - await this.syncQueue.add(async () => - this.internalSyncer.unrestrictedSyncRemotelyUpdatedFile( + await this.enqueueSyncOperation( + async () => + this.unrestrictedSyncer.unrestrictedSyncRemotelyUpdatedFile( remoteVersion, document - ) - ); - - resolve(); - } catch (e) { - reject(e); - } finally { - this.database.removeDocumentPromise(promise); - } + ), + [ + document?.relativePath, + remoteVersion.relativePath, + remoteVersion.documentId + ] + ); this.database.addSeenUpdateId(remoteVersion.vaultUpdateId); } private async internalScheduleSyncForOfflineChanges(): Promise { - await this.createFakeDocumentsFromRemoteState(); - const allLocalFiles = await this.operations.listFilesRecursively(); this.logger.info( `Scheduling sync for ${allLocalFiles.length} local files` @@ -409,7 +325,12 @@ export class Syncer { } } - await awaitAll( + interface Instruction { + type: "update" | "create"; + relativePath: string; + oldPath?: string; + } + const instructions: (Instruction | undefined)[] = await awaitAll( allLocalFiles.map(async (relativePath) => { if ( this.database.getLatestDocumentByRelativePath(relativePath) @@ -419,16 +340,24 @@ export class Syncer { `Document ${relativePath} might have been updated locally, scheduling sync to validate and update it` ); - return this.syncLocallyUpdatedFile({ - relativePath - }); + return { type: "update", relativePath } as Instruction; } // Perhaps the file has been moved; let's check by looking at the deleted files const contentHash = await this.syncQueue.add(async () => { - const contentBytes = - await this.operations.read(relativePath); // this can throw FileNotFoundError - return hash(contentBytes); + try { + const contentBytes = + await this.operations.read(relativePath); // this can throw FileNotFoundError + return hash(contentBytes); + } catch (e) { + if ( + e instanceof Error && + e.name === "FileNotFoundError" + ) { + return undefined; + } + throw e; + } }); if (contentHash == undefined) { @@ -454,18 +383,21 @@ export class Syncer { `Document '${originalFile.relativePath}' was not found under its current path in the database but was found under a different path (${relativePath}), scheduling sync to move it` ); - // We're outside of the pqueue, so we need to call the public wrapper - return this.syncLocallyUpdatedFile({ + return { + type: "update", oldPath: originalFile.relativePath, relativePath - }); + } as Instruction; } this.logger.debug( `Document ${relativePath} not found in database, scheduling sync to create it` ); - // We're outside of the pqueue, so we need to call the public wrapper - return this.syncLocallyCreatedFile(relativePath); + + return { + type: "create", + relativePath + } as Instruction; }) ); @@ -481,42 +413,49 @@ export class Syncer { return this.syncLocallyDeletedFile(relativePath); }) ); + + await awaitAll( + instructions.map(async (instruction) => { + if (instruction === undefined) { + return; + } + + if (instruction.type === "update") { + // We're outside of the pqueue, so we need to call the public wrapper + await this.syncLocallyUpdatedFile({ + oldPath: instruction.oldPath, + relativePath: instruction.relativePath + }); + return; + } + }) + ); + + // we have to ensure the deletes & updates have finished before starting creates, + // otherwise the server might return an existing document (that we're about to delete) + // instead of actually creating a new one + await awaitAll( + instructions.map(async (instruction) => { + if (instruction === undefined) { + return; + } + + if (instruction.type === "create") { + // We're outside of the pqueue, so we need to call the public wrapper + await this.syncLocallyCreatedFile(instruction.relativePath); + return; + } + }) + ); } - /** - * Create fake documents in the database for all files that are present locally - * and also exist remotely. This will stop the subequent syncs from duplicating - * the documents by creating the same documents from multiple clients. - */ - private async createFakeDocumentsFromRemoteState(): Promise { - if (this.database.getHasInitialSyncCompleted()) { - return; - } - - const [allLocalFiles, remote] = await awaitAll([ - this.operations.listFilesRecursively(), - this.syncQueue.add(async () => this.syncService.getAll()) - ]); - - if (remote !== undefined) { - remote.latestDocuments - .filter( - (remoteDocument) => - allLocalFiles.includes(remoteDocument.relativePath) && - !remoteDocument.isDeleted && - this.database.getDocumentByDocumentId( - remoteDocument.documentId - ) === undefined - ) - .forEach((remoteDocument) => { - this.database.createNewEmptyDocument( - remoteDocument.documentId, - remoteDocument.vaultUpdateId, - remoteDocument.relativePath - ); - }); - } - - this.database.setHasInitialSyncCompleted(true); + private async enqueueSyncOperation( + operation: () => Promise, + keys: (string | undefined | null)[] + ): Promise { + return this.updatedDocumentsByPathAndKeysLocks.withLock( + keys.filter((k) => k !== undefined && k !== null), + async () => this.syncQueue.add(operation) + ); } } diff --git a/frontend/sync-client/src/sync-operations/unrestricted-syncer.ts b/frontend/sync-client/src/sync-operations/unrestricted-syncer.ts index e3964d30..d32e983e 100644 --- a/frontend/sync-client/src/sync-operations/unrestricted-syncer.ts +++ b/frontend/sync-client/src/sync-operations/unrestricted-syncer.ts @@ -3,7 +3,6 @@ import type { DocumentRecord, RelativePath } from "../persistence/database"; - import { diff } from "reconcile-text"; import type { SyncService } from "../services/sync-service"; import type { Logger } from "../tracing/logger"; @@ -18,13 +17,11 @@ import type { } from "../tracing/sync-history"; import { SyncStatus, SyncType } from "../tracing/sync-history"; import { EMPTY_HASH, hash } from "../utils/hash"; - import { base64ToBytes } from "byte-base64"; import type { Settings } from "../persistence/settings"; import type { FileOperations } from "../file-operations/file-operations"; -import { createPromise } from "../utils/create-promise"; -import { FileNotFoundError } from "../file-operations/file-not-found-error"; -import { SyncResetError } from "../services/sync-reset-error"; +import { FileNotFoundError } from "../errors/file-not-found-error"; +import { SyncResetError } from "../errors/sync-reset-error"; import { globsToRegexes } from "../utils/globs-to-regexes"; import type { DocumentVersion } from "../services/types/DocumentVersion"; import type { DocumentUpdateResponse } from "../services/types/DocumentUpdateResponse"; @@ -60,65 +57,172 @@ export class UnrestrictedSyncer { }); } - public async unrestrictedSyncLocallyCreatedFile( - document: DocumentRecord - ): Promise { - const updateDetails: SyncCreateDetails = { - type: SyncType.CREATE, - relativePath: document.relativePath - }; + public async unrestrictedSyncLocallyCreatedOrUpdatedFile({ + oldPath, + // We use the same code path for both local and remote updates. We need to force the update + // if there are no local changes but we know that the remote version is newer. + force = false, + document + }: { + oldPath?: RelativePath; + force?: boolean; + document: DocumentRecord; + }): Promise { + const updateDetails: + | SyncCreateDetails + | SyncUpdateDetails + | SyncMovedDetails = + document.metadata === undefined + ? { + type: SyncType.CREATE, + relativePath: document.relativePath + } + : oldPath !== undefined + ? { + type: SyncType.MOVE, + relativePath: document.relativePath, + movedFrom: oldPath + } + : { + type: SyncType.UPDATE, + relativePath: document.relativePath + }; - return this.executeSync(updateDetails, async () => { + await this.executeSync(updateDetails, async () => { const originalRelativePath = document.relativePath; + if (document.isDeleted) { this.logger.debug( - `Document ${originalRelativePath} has been already deleted, no need to create it` + `Document ${document.relativePath} has been already deleted, no need to update it` ); return; } - const contentBytes = - await this.operations.read(originalRelativePath); // this can throw FileNotFoundError + const contentBytes = await this.operations.read( + document.relativePath + ); // this can throw FileNotFoundError const contentHash = hash(contentBytes); - const response = await this.syncService.create({ - documentId: document.documentId, - relativePath: originalRelativePath, - contentBytes - }); + let response: DocumentVersion | DocumentUpdateResponse | undefined = + undefined; + if (document.metadata === undefined) { + response = await this.syncService.create({ + relativePath: originalRelativePath, + contentBytes + }); - // In case a document with the same name (but different ID) had existed remotely that we haven't known about - if (response.relativePath != originalRelativePath) { - this.logger.debug( - `Document ${originalRelativePath} has been created remotely at a different path: ${response.relativePath}, moving it locally` - ); - await this.operations.move( - document.relativePath, - response.relativePath - ); // this can throw FileNotFoundError + await this.handleMaybeMergingResponse({ + document, + response, + contentHash, + originalRelativePath, + originalContentBytes: contentBytes, + isCreate: true + }); + } else { + const areThereLocalChanges = + document.metadata.hash !== contentHash || + oldPath !== undefined; + + if (areThereLocalChanges) { + const isText = + !isBinary(contentBytes) && + isFileTypeMergable( + document.relativePath, + (await this.serverConfig.getConfig()) + .mergeableFileExtensions + ); + const cachedVersion = this.contentCache.get( + document.metadata.parentVersionId + ); + + response = + isText && cachedVersion !== undefined + ? await this.syncService.putText({ + documentId: document.metadata.documentId, + parentVersionId: + document.metadata.parentVersionId, + relativePath: document.relativePath, + content: diff( + new TextDecoder().decode(cachedVersion), + new TextDecoder().decode(contentBytes) + ) + }) + : await this.syncService.putBinary({ + documentId: document.metadata.documentId, + parentVersionId: + document.metadata.parentVersionId, + relativePath: document.relativePath, + contentBytes + }); + } else { + if (!force) { + this.logger.debug( + `File hash of ${document.relativePath} matches with last synced version and the path hasn't changed; no need to sync` + ); + return; + } + + // we use this code path (force == true) to sync remotely updated files which have no local changes + response = await this.syncService.get({ + documentId: document.metadata.documentId + }); + } + + await this.handleMaybeMergingResponse({ + document, + response, + contentHash, + originalRelativePath, + originalContentBytes: contentBytes + }); } - this.database.updateDocumentMetadata( - { - parentVersionId: response.vaultUpdateId, - hash: contentHash, - remoteRelativePath: response.relativePath - }, - document - ); + if (!("type" in response) || response.type === "MergingUpdate") { + if (!force) { + this.history.addHistoryEntry({ + status: SyncStatus.SUCCESS, + details: updateDetails, + message: `The file we updated had been updated remotely, so we downloaded the merged version` + }); + return; + } + } - this.database.addSeenUpdateId(response.vaultUpdateId); - await this.updateCache( - response.vaultUpdateId, - contentBytes, - response.relativePath - ); + const actualUpdateDetails: SyncUpdateDetails | SyncMovedDetails = + oldPath !== undefined || + response.relativePath != originalRelativePath + ? { + type: SyncType.MOVE, + relativePath: response.relativePath, + movedFrom: originalRelativePath + } + : { + type: SyncType.UPDATE, + relativePath: response.relativePath + }; - this.history.addHistoryEntry({ - status: SyncStatus.SUCCESS, - details: updateDetails, - message: `Successfully uploaded locally created file` - }); + if (!response.isDeleted) { + this.history.addHistoryEntry({ + status: SyncStatus.SUCCESS, + details: actualUpdateDetails, + message: `Successfully downloaded remotely updated file from the server`, + author: response.userId, + timestamp: new Date(response.updatedDate) + }); + } else { + this.history.addHistoryEntry({ + status: SyncStatus.SUCCESS, + details: { + type: SyncType.DELETE, + relativePath: document.relativePath + }, + message: + "Successfully deleted file which had been deleted remotely", + author: response.userId, + timestamp: new Date(response.updatedDate) + }); + } }); } @@ -131,13 +235,21 @@ export class UnrestrictedSyncer { }; await this.executeSync(updateDetails, async () => { + if (document.metadata === undefined) { + this.logger.debug( + `Document ${document.relativePath} has never been synced, no need to delete it remotely` + ); + return; + } + const response = await this.syncService.delete({ - documentId: document.documentId, + documentId: document.metadata.documentId, relativePath: document.relativePath }); this.database.updateDocumentMetadata( { + documentId: response.documentId, parentVersionId: response.vaultUpdateId, hash: EMPTY_HASH, remoteRelativePath: document.relativePath @@ -156,214 +268,6 @@ export class UnrestrictedSyncer { }); } - public async unrestrictedSyncLocallyUpdatedFile({ - oldPath, - document, - // We use the same code path for both local and remote updates. We need to force the update - // if there are no local changes but we know that the remote version is newer. - force = false - }: { - oldPath?: RelativePath; - force?: boolean; - document: DocumentRecord; - }): Promise { - const updateDetails: SyncUpdateDetails | SyncMovedDetails = - oldPath !== undefined - ? { - type: SyncType.MOVE, - relativePath: document.relativePath, - movedFrom: oldPath - } - : { - type: SyncType.UPDATE, - relativePath: document.relativePath - }; - - await this.executeSync(updateDetails, async () => { - const originalRelativePath = document.relativePath; - - if (document.isDeleted || document.metadata === undefined) { - this.logger.debug( - `Document ${document.relativePath} has been already deleted, no need to update it` - ); - return; - } - - const contentBytes = await this.operations.read( - document.relativePath - ); // this can throw FileNotFoundError - let contentHash = hash(contentBytes); - - const areThereLocalChanges = !( - document.metadata.hash === contentHash && oldPath === undefined - ); - - let response: DocumentVersion | DocumentUpdateResponse | undefined = - undefined; - - if (areThereLocalChanges) { - const isText = - !isBinary(contentBytes) && - isFileTypeMergable( - document.relativePath, - (await this.serverConfig.getConfig()) - .mergeableFileExtensions - ); - const cachedVersion = this.contentCache.get( - document.metadata.parentVersionId - ); - - response = - isText && cachedVersion !== undefined - ? await this.syncService.putText({ - documentId: document.documentId, - parentVersionId: - document.metadata.parentVersionId, - relativePath: document.relativePath, - content: diff( - new TextDecoder().decode(cachedVersion), - new TextDecoder().decode(contentBytes) - ) - }) - : await this.syncService.putBinary({ - documentId: document.documentId, - parentVersionId: - document.metadata.parentVersionId, - relativePath: document.relativePath, - contentBytes - }); - } else { - if (!force) { - this.logger.debug( - `File hash of ${document.relativePath} matches with last synced version and the path hasn't changed; no need to sync` - ); - return; - } - - response = await this.syncService.get({ - documentId: document.documentId - }); - } - - // `document` is mutable and reflects the latest state in the local database - // eslint-disable-next-line @typescript-eslint/no-unnecessary-condition - if (document.isDeleted) { - this.logger.info( - `Document ${document.relativePath} has been deleted before we could finish updating it` - ); - this.database.addSeenUpdateId(response.vaultUpdateId); - return; - } - - if ( - // `Syncer` creates fake local document metadata for all remote docs with invalid hashes. The parent IDs will likely match - // the latest versions so we still need to update the local versions to turn the fakes into real metadata. - document.metadata.parentVersionId > response.vaultUpdateId - ) { - this.logger.debug( - `Document ${document.relativePath} is already more up to date than the fetched version` - ); - this.database.addSeenUpdateId(response.vaultUpdateId); // in case the previous `vaultUpdateId` update hasn't made it through - return; - } - - if (response.isDeleted) { - return this.applyRemoteDeleteLocally(document, response); - } - - let actualPath = document.relativePath; - - if (response.relativePath != originalRelativePath) { - actualPath = response.relativePath; - // Make sure to update the remote relative path to avoid uploading - // the file as a result of this filesystem event. - document.metadata.remoteRelativePath = response.relativePath; - await this.operations.move( - document.relativePath, - response.relativePath - ); // this can throw FileNotFoundError - } - - if (!("type" in response) || response.type === "MergingUpdate") { - const responseBytes = base64ToBytes(response.contentBase64); - contentHash = hash(responseBytes); - - this.database.updateDocumentMetadata( - { - parentVersionId: response.vaultUpdateId, - hash: contentHash, - remoteRelativePath: response.relativePath - }, - document - ); - await this.operations.write( - actualPath, - contentBytes, - responseBytes - ); - await this.updateCache( - response.vaultUpdateId, - responseBytes, - actualPath - ); - - if (!force) { - this.history.addHistoryEntry({ - status: SyncStatus.SUCCESS, - details: updateDetails, - message: `The file we updated had been updated remotely, so we downloaded the merged version` - }); - } - } else { - this.database.updateDocumentMetadata( - { - parentVersionId: response.vaultUpdateId, - hash: contentHash, - remoteRelativePath: response.relativePath - }, - document - ); - await this.updateCache( - response.vaultUpdateId, - contentBytes, - actualPath - ); - } - - this.database.addSeenUpdateId(response.vaultUpdateId); - - const actualUpdateDetails: SyncUpdateDetails | SyncMovedDetails = - oldPath !== undefined || - response.relativePath != originalRelativePath - ? { - type: SyncType.MOVE, - relativePath: response.relativePath, - movedFrom: originalRelativePath - } - : { - type: SyncType.UPDATE, - relativePath: response.relativePath - }; - - if (areThereLocalChanges) { - this.history.addHistoryEntry({ - status: SyncStatus.SUCCESS, - details: actualUpdateDetails, - message: `Successfully uploaded locally updated file to the server`, - author: response.userId - }); - } else { - this.history.addHistoryEntry({ - status: SyncStatus.SUCCESS, - details: actualUpdateDetails, - message: `Successfully downloaded remotely updated file from the server`, - author: response.userId, - timestamp: new Date(response.updatedDate) - }); - } - }); - } - public async unrestrictedSyncRemotelyUpdatedFile( remoteVersion: DocumentVersionWithoutContent, document?: DocumentRecord @@ -382,13 +286,13 @@ export class UnrestrictedSyncer { remoteVersion.vaultUpdateId ) { this.logger.debug( - `Document ${remoteVersion.relativePath} is already at least as up to date as the fetched version` + `Document ${document.relativePath} is already at least as up-to-date as the fetched version` ); return; } - return this.unrestrictedSyncLocallyUpdatedFile({ + return this.unrestrictedSyncLocallyCreatedOrUpdatedFile({ document, force: true }); @@ -434,17 +338,15 @@ export class UnrestrictedSyncer { await this.operations.ensureClearPath(remoteVersion.relativePath); - const [promise, resolve] = createPromise(); this.database.updateDocumentMetadata( { + documentId: remoteVersion.documentId, parentVersionId: remoteVersion.vaultUpdateId, hash: hash(contentBytes), remoteRelativePath: remoteVersion.relativePath }, this.database.createNewPendingDocument( - remoteVersion.documentId, - remoteVersion.relativePath, - promise + remoteVersion.relativePath ) ); @@ -458,9 +360,6 @@ export class UnrestrictedSyncer { remoteVersion.relativePath ); - resolve(); - this.database.removeDocumentPromise(promise); - this.history.addHistoryEntry({ status: SyncStatus.SUCCESS, details: updateDetails, @@ -471,10 +370,17 @@ export class UnrestrictedSyncer { }); } - public async executeSync( + private async executeSync( details: SyncDetails, fn: () => Promise ): Promise { + if (!this.settings.getSettings().isSyncEnabled) { + this.logger.info( + `Skipping sync operation for file '${details.relativePath}' because sync is disabled` + ); + return; + } + for (const pattern of this.ignorePatterns) { if (pattern.test(details.relativePath)) { this.logger.debug( @@ -528,6 +434,127 @@ export class UnrestrictedSyncer { } } + private async handleMaybeMergingResponse({ + document, + response, + contentHash, + originalRelativePath, + originalContentBytes, + isCreate + }: { + document: DocumentRecord; + response: DocumentVersion | DocumentUpdateResponse; + contentHash: string; + originalRelativePath: string; + originalContentBytes: Uint8Array; + isCreate?: boolean; + }): Promise { + // `document` is mutable and reflects the latest state in the local database + if (document.isDeleted) { + this.logger.info( + `Document ${document.relativePath} has been deleted before we could finish updating it` + ); + this.database.addSeenUpdateId(response.vaultUpdateId); + return; + } + + if ( + (document.metadata?.parentVersionId ?? 0) > response.vaultUpdateId + ) { + this.logger.debug( + `Document ${document.relativePath} is already more up to date than the fetched version` + ); + this.database.addSeenUpdateId(response.vaultUpdateId); // in case the previous `vaultUpdateId` update hasn't made it through + return; + } + + if (response.isDeleted) { + return this.applyRemoteDeleteLocally(document, response); + } + + let actualPath = document.relativePath; + + if (isCreate) { + // We have a file locally that got moved by another client to the same path as the one we're trying to create. + // The server returns a merging update for the document ID that already exists locally (but at another path). + // We have to merge these two documents by extending the provenance of the existing document and deleting + // the old document that the new document already contains the content for. + const existingDocument = this.database.getDocumentByDocumentId( + response.documentId + ); + if (existingDocument !== undefined) { + this.logger.info( + `Merging existing document ${existingDocument.relativePath} into ${document.relativePath + } after concurrent move & creation` + ); + if (!existingDocument.isDeleted) { + this.database.delete(existingDocument.relativePath); // make sure syncLocallyDeletedFile doesn't actually schedule deleting the new file + this.database.removeDocument(existingDocument); + await this.operations.move(existingDocument.relativePath, document.relativePath); + } else { + this.database.removeDocument(existingDocument); + } + } + } + + // this can't happen on the creation path as we can only get a merging response if a document already exists remotely on the same path + if (response.relativePath != originalRelativePath) { + actualPath = response.relativePath; + // Make sure to update the remote relative path to avoid uploading + // the file as a result of this filesystem event. + if (document.metadata !== undefined) { + document.metadata.remoteRelativePath = response.relativePath; + } + await this.operations.move( + document.relativePath, + response.relativePath + ); // this can throw FileNotFoundError + } + + if (!("type" in response) || response.type === "MergingUpdate") { + const responseBytes = base64ToBytes(response.contentBase64); + contentHash = hash(responseBytes); + + this.database.updateDocumentMetadata( + { + documentId: response.documentId, + parentVersionId: response.vaultUpdateId, + hash: contentHash, + remoteRelativePath: response.relativePath + }, + document + ); + + await this.operations.write( + actualPath, + originalContentBytes, + responseBytes + ); + await this.updateCache( + response.vaultUpdateId, + responseBytes, + actualPath + ); + } else { + this.database.updateDocumentMetadata( + { + documentId: response.documentId, + parentVersionId: response.vaultUpdateId, + hash: contentHash, + remoteRelativePath: response.relativePath + }, + document + ); + await this.updateCache( + response.vaultUpdateId, + originalContentBytes, + actualPath + ); + } + + this.database.addSeenUpdateId(response.vaultUpdateId); + } + private getHistoryEntryForSkippedOversizedFile( sizeInBytes: number, relativePath: RelativePath @@ -541,9 +568,8 @@ export class UnrestrictedSyncer { type: SyncType.SKIPPED, relativePath }, - message: `File size of ${sizeInMB} MB exceeds the maximum file size limit of ${ - maxFileSizeMB - } MB` + message: `File size of ${sizeInMB} MB exceeds the maximum file size limit of ${maxFileSizeMB + } MB` }; } } @@ -568,20 +594,10 @@ export class UnrestrictedSyncer { document: DocumentRecord, response: DocumentVersion | DocumentUpdateResponse ): Promise { - this.history.addHistoryEntry({ - status: SyncStatus.SUCCESS, - details: { - type: SyncType.DELETE, - relativePath: document.relativePath - }, - message: "File has been deleted remotely, so we deleted it locally", - author: response.userId, - timestamp: new Date(response.updatedDate) - }); - this.database.delete(document.relativePath); this.database.updateDocumentMetadata( { + documentId: response.documentId, parentVersionId: response.vaultUpdateId, hash: EMPTY_HASH, remoteRelativePath: response.relativePath diff --git a/frontend/sync-client/src/utils/await-all.ts b/frontend/sync-client/src/utils/await-all.ts index 9406a6b8..43e06ce6 100644 --- a/frontend/sync-client/src/utils/await-all.ts +++ b/frontend/sync-client/src/utils/await-all.ts @@ -9,7 +9,7 @@ type ResolvedTuple = { export const awaitAll = async ( promises: PromiseTuple ): Promise> => { - // eslint-disable-next-line no-restricted-properties + // eslint-disable-next-line no-restricted-properties, @typescript-eslint/await-thenable const result = await Promise.allSettled(promises); for (const res of result) { if (res.status === "rejected") { diff --git a/frontend/sync-client/src/utils/create-client-id.ts b/frontend/sync-client/src/utils/create-client-id.ts index cfa132da..03dc2ae9 100644 --- a/frontend/sync-client/src/utils/create-client-id.ts +++ b/frontend/sync-client/src/utils/create-client-id.ts @@ -1,5 +1,3 @@ -import { v4 as uuidv4 } from "uuid"; - export function createClientId(): string { // @ts-expect-error, injected by webpack const packageVersion = __CURRENT_VERSION__; // eslint-disable-line @@ -8,8 +6,8 @@ export function createClientId(): string { typeof navigator !== "undefined" ? navigator.platform // eslint-disable-line @typescript-eslint/no-deprecated : typeof process !== "undefined" - ? process.platform - : "unknown"; + ? process.platform + : "unknown"; - return `vault-link/${packageVersion} (${uuidv4()}; ${platform})`; + return `vault-link/${packageVersion} (${Math.round(Math.random() * 1e10)}; ${platform})`; } diff --git a/frontend/sync-client/src/utils/data-structures/locks.test.ts b/frontend/sync-client/src/utils/data-structures/locks.test.ts index 9beb867a..1ea633cc 100644 --- a/frontend/sync-client/src/utils/data-structures/locks.test.ts +++ b/frontend/sync-client/src/utils/data-structures/locks.test.ts @@ -5,18 +5,20 @@ import type { RelativePath } from "../../persistence/database"; import { Locks } from "./locks"; import { awaitAll } from "../await-all"; import { sleep } from "../sleep"; -import { SyncResetError } from "../../services/sync-reset-error"; +import { SyncResetError } from "../../errors/sync-reset-error"; describe("withLock", () => { const testPath: RelativePath = "test/document/path"; const testPath2: RelativePath = "test/document/path2"; + const testPath3: RelativePath = "test/document/path3"; + const logger = new Logger(); // eslint-disable-next-line @typescript-eslint/init-declarations let locks: Locks; beforeEach(() => { - locks = new Locks(logger); + locks = new Locks("locks-test", logger); }); it("should execute function with single key lock", async () => { @@ -56,22 +58,32 @@ describe("withLock", () => { it("should sort multiple keys to prevent deadlocks", async () => { const executionOrder: string[] = []; - // Start two concurrent operations with keys in different orders - const promise1 = locks.withLock([testPath2, testPath], async () => { - executionOrder.push("operation1-start"); - await sleep(50); - executionOrder.push("operation1-end"); - return "result1"; - }); + await locks.waitForLock(testPath); - const promise2 = locks.withLock([testPath, testPath2], async () => { - executionOrder.push("operation2-start"); - await sleep(50); - executionOrder.push("operation2-end"); - return "result2"; - }); + const promise = awaitAll([ + locks.withLock([testPath2, testPath3, testPath], async () => { + executionOrder.push("operation1-start"); + executionOrder.push("operation1-end"); + return "result1"; + }), - const [result1, result2] = await awaitAll([promise1, promise2]); + locks.withLock([testPath3, testPath, testPath2], async () => { + executionOrder.push("operation2-start"); + executionOrder.push("operation2-end"); + return "result2"; + }) + ]); + + locks.unlock(testPath); + + const [result1, result2] = await Promise.race([ + promise, + new Promise((_, reject) => { + setTimeout(() => { + reject(new Error("Deadlock detected")); + }, 1000); + }) + ]); assert.strictEqual(result1, "result1"); assert.strictEqual(result2, "result2"); @@ -234,13 +246,14 @@ describe("withLock", () => { describe("reset", () => { const testPath: RelativePath = "test/document/path"; + const testPath2: RelativePath = "test/document/path2"; const logger = new Logger(); // eslint-disable-next-line @typescript-eslint/init-declarations let locks: Locks; beforeEach(() => { - locks = new Locks(logger); + locks = new Locks("locks-test", logger); }); it("should reject pending waiters with SyncResetError while running operation completes", async () => { @@ -252,7 +265,7 @@ describe("reset", () => { await sleep(1); const secondPromise = locks.withLock(testPath, async () => "second"); - void secondPromise.catch(() => {}); // eslint-disable-line @typescript-eslint/no-empty-function + void secondPromise.catch(() => { }); // eslint-disable-line @typescript-eslint/no-empty-function locks.reset(); @@ -273,7 +286,7 @@ describe("reset", () => { await sleep(1); const secondPromise = locks.withLock(testPath, async () => "second"); - void secondPromise.catch(() => {}); // eslint-disable-line @typescript-eslint/no-empty-function + void secondPromise.catch(() => { }); // eslint-disable-line @typescript-eslint/no-empty-function locks.reset(); @@ -289,4 +302,38 @@ describe("reset", () => { const result = await locks.withLock(testPath, () => "success"); assert.strictEqual(result, "success"); }); + + it("should release partially acquired locks when reset interrupts multi-key acquisition", async () => { + // Hold testPath2 so multi-key acquisition will block on it + await locks.waitForLock(testPath2); + + // Start multi-key lock that will acquire testPath first, then block on testPath2 + const multiKeyPromise = locks.withLock( + [testPath, testPath2], + async () => "multi" + ); + void multiKeyPromise.catch(() => { }); // eslint-disable-line @typescript-eslint/no-empty-function + + // Wait for the multi-key operation to acquire testPath and start waiting on testPath2 + await sleep(10); + + // Reset should reject the waiting operation + locks.reset(); + + await assert.rejects(multiKeyPromise, (err: Error) => { + assert.ok(err instanceof SyncResetError); + return true; + }); + + // The key that was already acquired (testPath) should now be released + // This would hang/timeout if the lock was leaked + const result = await Promise.race([ + locks.withLock(testPath, () => "success"), + sleep(100).then(() => { + throw new Error("Lock was not released - deadlock detected"); + }) + ]); + + assert.strictEqual(result, "success"); + }); }); diff --git a/frontend/sync-client/src/utils/data-structures/locks.ts b/frontend/sync-client/src/utils/data-structures/locks.ts index e55c76b0..4e512869 100644 --- a/frontend/sync-client/src/utils/data-structures/locks.ts +++ b/frontend/sync-client/src/utils/data-structures/locks.ts @@ -1,6 +1,5 @@ -import { SyncResetError } from "../../services/sync-reset-error"; +import { SyncResetError } from "../../errors/sync-reset-error"; import type { Logger } from "../../tracing/logger"; -import { awaitAll } from "../await-all"; /** * Manages exclusive locks on items to prevent concurrent modifications. @@ -8,47 +7,50 @@ import { awaitAll } from "../await-all"; * * @template T The type of the key used for locking */ +/** Waiter entry with callbacks */ +interface WaiterEntry { + resolve: () => unknown; + reject: (err: unknown) => unknown; +} + export class Locks { /** Currently locked keys */ private readonly locked = new Set(); - /** Queue of resolve functions waiting for each key */ - private readonly waiters = new Map< - T, - [() => unknown, (err: unknown) => unknown][] - >(); + /** Queue of waiters for each key */ + private readonly waiters = new Map[]>(); - public constructor(private readonly logger?: Logger) {} + public constructor(private readonly name: string, private readonly logger?: Logger) { } /** - * Executes a function while holding exclusive locks on one or more keys. - * - * This method ensures that the provided function runs with exclusive access to the - * specified key(s). Multiple keys are sorted to prevent deadlocks when different - * operations request the same keys in different orders. - * - * @template R The return type of the function to execute - * @param keyOrKeys A single key or array of keys to lock during function execution - * @param fn The function to execute while holding the lock(s). Can be sync or async. - * @returns A Promise that resolves to the return value of the executed function - * - * @example - * ```typescript - * // Lock a single key - * const result = await locks.withLock('file1', () => { - * // Critical section - only one operation can access 'file1' at a time - * return processFile('file1'); - * }); - * - * // Lock multiple keys (prevents deadlocks through consistent ordering) - * await locks.withLock(['file1', 'file2'], async () => { - * // Critical section - exclusive access to both files - * await moveFile('file1', 'file2'); - * }); - * ``` - * - * @throws Any error thrown by the provided function will be propagated after locks are released - */ + * Executes a function while holding exclusive locks on one or more keys. + * + * This method ensures that the provided function runs with exclusive access to the + * specified key(s). Multiple keys are sorted to prevent deadlocks when different + * operations request the same keys in different orders. + * + * @template R The return type of the function to execute + * @param keyOrKeys A single key or array of keys to lock during function execution + * @param fn The function to execute while holding the lock(s). Can be sync or async. + * @returns A Promise that resolves to the return value of the executed function + * + * @example + * ```typescript + * // Lock a single key + * const result = await locks.withLock('file1', () => { + * // Critical section - only one operation can access 'file1' at a time + * return processFile('file1'); + * }); + * + * // Lock multiple keys (prevents deadlocks through consistent ordering) + * await locks.withLock(['file1', 'file2'], async () => { + * // Critical section - exclusive access to both files + * await moveFile('file1', 'file2'); + * }); + * ``` + * + * @throws Any error thrown by the provided function will be propagated after locks are released + */ public async withLock( keyOrKeys: T | T[], fn: () => R | Promise @@ -59,12 +61,17 @@ export class Locks { const uniqueKeys = Array.from(new Set(keys)); uniqueKeys.sort((a, b) => String(a).localeCompare(String(b))); // Ensure consistent order to prevent deadlocks - await awaitAll(uniqueKeys.map(async (key) => this.waitForLock(key))); - + const lockedKeys = []; try { + for (const key of uniqueKeys) { + // Must acquire locks in-order (not concurrently) to prevent deadlocks + await this.waitForLock(key); + lockedKeys.push(key); + } + return await fn(); } finally { - uniqueKeys.forEach((key) => { + lockedKeys.forEach((key) => { this.unlock(key); }); } @@ -74,7 +81,7 @@ export class Locks { // Resolve all waiting promises before clearing to prevent deadlock // Any operation waiting for a lock will be granted access immediately for (const waiting of this.waiters.values()) { - for (const [_, reject] of waiting) { + for (const { reject } of waiting) { reject(new SyncResetError()); } } @@ -82,13 +89,17 @@ export class Locks { this.waiters.clear(); } + public isLocked(key: T): boolean { + return this.locked.has(key); + } + /** - * Attempts to acquire a lock immediately without waiting. - * Must call `unlock()` if successful. - * - * @param key The key to lock - * @returns `true` if lock acquired, `false` if already locked - */ + * Attempts to acquire a lock immediately without waiting. + * Must call `unlock()` if successful. + * + * @param key The key to lock + * @returns `true` if lock acquired, `false` if already locked + */ public tryLock(key: T): boolean { if (this.locked.has(key)) { return false; @@ -100,18 +111,18 @@ export class Locks { } /** - * Waits to acquire a lock, blocking until available. - * Operations are queued in FIFO order. Must call `unlock()` when done. - * - * @param key The key to wait for and lock - * @returns Promise that resolves when lock is acquired - */ + * Waits to acquire a lock, blocking until available. + * Operations are queued in FIFO order. Must call `unlock()` when done. + * + * @param key The key to wait for and lock + * @returns Promise that resolves when lock is acquired + */ public async waitForLock(key: T): Promise { if (this.tryLock(key)) { return Promise.resolve(); } - this.logger?.debug(`Waiting for lock on ${key}`); + this.logger?.debug(`Waiting for lock '${this.name}' on '${key}'`); return new Promise((resolve, reject) => { // DefaultDict behavior @@ -121,28 +132,36 @@ export class Locks { this.waiters.set(key, waiting); } - waiting.push([resolve, reject]); + waiting.push({ + resolve, + reject, + }); }); } /** - * Releases a lock and grants access to the next waiting operation in FIFO order. - * Removes the key from locked set if no waiters. - * - * @param key The key to unlock - * @throws {Error} If key is not currently locked - */ + * Releases a lock and grants access to the next waiting operation in FIFO order. + * Removes the key from locked set if no waiters. + * + * @param key The key to unlock + * @throws {Error} If key is not currently locked + */ public unlock(key: T): void { if (!this.locked.has(key)) { + this.logger?.debug( + `Attempted to unlock '${this.name}' on '${key}' which is not locked` + ); return; } - // Remove first waiter to ensure FIFO order - const [resolveNextWaiting, _] = this.waiters.get(key)?.shift() ?? []; + this.logger?.debug(`Releasing lock '${this.name}' on '${key}'`); - if (resolveNextWaiting) { - this.logger?.debug(`Granted lock on ${key}`); - resolveNextWaiting(); + // Remove first waiter to ensure FIFO order + const nextWaiter = this.waiters.get(key)?.shift(); + + if (nextWaiter) { + this.logger?.debug(`Granted lock '${this.name}' on '${key}'`); + nextWaiter.resolve(); } else { this.locked.delete(key); } @@ -152,8 +171,8 @@ export class Locks { export class Lock { private readonly locks: Locks; - public constructor(logger?: Logger) { - this.locks = new Locks(logger); + public constructor(name: string, logger?: Logger) { + this.locks = new Locks(name, logger); } public async withLock(fn: () => R | Promise): Promise { diff --git a/frontend/sync-client/src/utils/debugging/in-memory-file-system.ts b/frontend/sync-client/src/utils/debugging/in-memory-file-system.ts new file mode 100644 index 00000000..a2564b3e --- /dev/null +++ b/frontend/sync-client/src/utils/debugging/in-memory-file-system.ts @@ -0,0 +1,69 @@ +import type { RelativePath } from "../../persistence/database"; +import type { TextWithCursors } from "reconcile-text"; +import type { FileSystemOperations } from "../../file-operations/filesystem-operations"; + +export class InMemoryFileSystem implements FileSystemOperations { + protected readonly files = new Map(); + + public async listFilesRecursively( + _root: RelativePath | undefined = undefined // we don't use multi-level paths during tests + ): Promise { + return Array.from(this.files.keys()); + } + + public async read(path: RelativePath): Promise { + const file = this.files.get(path); + if (!file) { + throw new Error(`File ${path} does not exist`); + } + return file; + } + + public async write(path: RelativePath, content: Uint8Array): Promise { + this.files.set(path, content); + } + + public async atomicUpdateText( + path: RelativePath, + updater: (current: TextWithCursors) => TextWithCursors + ): Promise { + const file = this.files.get(path); + if (!file) { + throw new Error(`File ${path} does not exist`); + } + const currentContent = new TextDecoder().decode(file); + const newContent = updater({ text: currentContent, cursors: [] }).text; + this.files.set(path, new TextEncoder().encode(newContent)); + return newContent; + } + + public async getFileSize(path: RelativePath): Promise { + return (await this.read(path)).length; + } + + public async exists(path: RelativePath): Promise { + return this.files.has(path); + } + + public async createDirectory(_path: RelativePath): Promise { + // This doesn't mean anything in our virtual FS representation + } + + public async delete(path: RelativePath): Promise { + this.files.delete(path); + } + + public async rename( + oldPath: RelativePath, + newPath: RelativePath + ): Promise { + const file = this.files.get(oldPath); + if (!file) { + throw new Error(`File ${oldPath} does not exist`); + } + this.files.set(newPath, file); + if (oldPath !== newPath) { + this.files.delete(oldPath); + } + } +} diff --git a/frontend/sync-client/src/utils/debugging/log-to-console.ts b/frontend/sync-client/src/utils/debugging/log-to-console.ts index c47f18f6..c8940536 100644 --- a/frontend/sync-client/src/utils/debugging/log-to-console.ts +++ b/frontend/sync-client/src/utils/debugging/log-to-console.ts @@ -1,10 +1,44 @@ -import type { SyncClient } from "../../sync-client"; -import type { LogLine } from "../../tracing/logger"; +/* eslint-disable no-console */ +import type { Logger, LogLine } from "../../tracing/logger"; import { LogLevel } from "../../tracing/logger"; -export function logToConsole(client: SyncClient): void { - client.logger.onLogEmitted.add((logLine: LogLine) => { - const formatted = `${logLine.timestamp.toISOString()} ${logLine.level} ${logLine.message}`; +const COLORS = { + reset: "\x1b[0m", + red: "\x1b[31m", + yellow: "\x1b[33m", + blue: "\x1b[34m", + gray: "\x1b[90m" +}; + +export function logToConsole( + logger: Logger, + { useColors = true }: { useColors?: boolean } = {} +): void { + logger.onLogEmitted.add((logLine: LogLine) => { + const timestamp = logLine.timestamp.toISOString(); + const message = logLine.message; + + let color = ""; + let reset = ""; + if (useColors) { + reset = COLORS.reset; + switch (logLine.level) { + case LogLevel.ERROR: + color = COLORS.red; + break; + case LogLevel.WARNING: + color = COLORS.yellow; + break; + case LogLevel.INFO: + color = COLORS.blue; + break; + case LogLevel.DEBUG: + color = COLORS.gray; + break; + } + } + + const formatted = `${timestamp} ${color}${logLine.level}${reset} ${message}`; switch (logLine.level) { case LogLevel.ERROR: diff --git a/frontend/sync-client/src/utils/debugging/slow-web-socket-factory.ts b/frontend/sync-client/src/utils/debugging/slow-web-socket-factory.ts index c64bff18..b93460b5 100644 --- a/frontend/sync-client/src/utils/debugging/slow-web-socket-factory.ts +++ b/frontend/sync-client/src/utils/debugging/slow-web-socket-factory.ts @@ -11,7 +11,7 @@ export function slowWebSocketFactory( private static readonly RECEIVE_KEY = "websocket-receive"; private static readonly SEND_KEY = "websocket-send"; - private readonly locks = new Locks(logger); + private readonly locks = new Locks(FlakyWebSocket.name, logger); public set onopen(callback: ((event: Event) => void) | null) { super.onopen = async (event: Event): Promise => { diff --git a/frontend/sync-client/webpack.config.js b/frontend/sync-client/webpack.config.js index b7c3a3fd..413bfeba 100644 --- a/frontend/sync-client/webpack.config.js +++ b/frontend/sync-client/webpack.config.js @@ -49,11 +49,6 @@ module.exports = [ type: "umd" }, globalObject: "this" - }, - resolve: { - fallback: { - ws: false // Exclude `ws` from the browser bundle - } } }), merge(common, { @@ -62,10 +57,6 @@ module.exports = [ path: path.resolve(__dirname, "dist"), filename: "sync-client.node.js", libraryTarget: "commonjs2" - }, - externals: { - bufferutil: "bufferutil", - "utf-8-validate": "utf-8-validate" // required for ws: https://github.com/websockets/ws/issues/2245#issuecomment-2250318733 } }) ]; From 48234de10db2543a6ad1fa3f6268427d1df4852f Mon Sep 17 00:00:00 2001 From: Andras Schmelczer Date: Sat, 28 Mar 2026 11:57:50 +0000 Subject: [PATCH 04/26] Update types --- .../src/services/types/ClientCursors.ts | 6 +-- .../services/types/CreateDocumentVersion.ts | 5 +-- .../types/CursorPositionFromClient.ts | 4 +- .../types/CursorPositionFromServer.ts | 4 +- .../src/services/types/CursorSpan.ts | 5 +-- .../services/types/DocumentUpdateResponse.ts | 4 +- .../src/services/types/DocumentVersion.ts | 11 +----- .../types/DocumentVersionWithoutContent.ts | 11 +----- .../src/services/types/DocumentWithCursors.ts | 7 +--- .../types/FetchLatestDocumentsResponse.ts | 12 +++--- .../src/services/types/PingResponse.ts | 39 +++++++++---------- .../src/services/types/SerializedError.ts | 6 +-- .../types/UpdateTextDocumentVersion.ts | 6 +-- .../services/types/WebSocketClientMessage.ts | 4 +- .../src/services/types/WebSocketHandshake.ts | 6 +-- .../services/types/WebSocketServerMessage.ts | 4 +- .../services/types/WebSocketVaultUpdate.ts | 5 +-- .../src/sync-operations/cursor-tracker.ts | 2 +- .../sync-client/src/sync-operations/syncer.ts | 4 +- .../src/utils/debugging/log-to-console.ts | 2 +- 20 files changed, 43 insertions(+), 104 deletions(-) diff --git a/frontend/sync-client/src/services/types/ClientCursors.ts b/frontend/sync-client/src/services/types/ClientCursors.ts index e8c9b93d..5b1ec040 100644 --- a/frontend/sync-client/src/services/types/ClientCursors.ts +++ b/frontend/sync-client/src/services/types/ClientCursors.ts @@ -1,8 +1,4 @@ // This file was generated by [ts-rs](https://github.com/Aleph-Alpha/ts-rs). Do not edit this file manually. import type { DocumentWithCursors } from "./DocumentWithCursors"; -export interface ClientCursors { - userName: string; - deviceId: string; - documentsWithCursors: DocumentWithCursors[]; -} +export interface ClientCursors { userName: string, deviceId: string, documentsWithCursors: DocumentWithCursors[], } diff --git a/frontend/sync-client/src/services/types/CreateDocumentVersion.ts b/frontend/sync-client/src/services/types/CreateDocumentVersion.ts index 17103be5..d4ed2831 100644 --- a/frontend/sync-client/src/services/types/CreateDocumentVersion.ts +++ b/frontend/sync-client/src/services/types/CreateDocumentVersion.ts @@ -1,6 +1,3 @@ // This file was generated by [ts-rs](https://github.com/Aleph-Alpha/ts-rs). Do not edit this file manually. -export interface CreateDocumentVersion { - relative_path: string; - content: number[]; -} +export interface CreateDocumentVersion { relative_path: string, content: number[], } diff --git a/frontend/sync-client/src/services/types/CursorPositionFromClient.ts b/frontend/sync-client/src/services/types/CursorPositionFromClient.ts index ee937f4e..78823b5d 100644 --- a/frontend/sync-client/src/services/types/CursorPositionFromClient.ts +++ b/frontend/sync-client/src/services/types/CursorPositionFromClient.ts @@ -1,6 +1,4 @@ // This file was generated by [ts-rs](https://github.com/Aleph-Alpha/ts-rs). Do not edit this file manually. import type { DocumentWithCursors } from "./DocumentWithCursors"; -export interface CursorPositionFromClient { - documentsWithCursors: DocumentWithCursors[]; -} +export interface CursorPositionFromClient { documentsWithCursors: DocumentWithCursors[], } diff --git a/frontend/sync-client/src/services/types/CursorPositionFromServer.ts b/frontend/sync-client/src/services/types/CursorPositionFromServer.ts index 52a24f27..ed6ac7b2 100644 --- a/frontend/sync-client/src/services/types/CursorPositionFromServer.ts +++ b/frontend/sync-client/src/services/types/CursorPositionFromServer.ts @@ -1,6 +1,4 @@ // This file was generated by [ts-rs](https://github.com/Aleph-Alpha/ts-rs). Do not edit this file manually. import type { ClientCursors } from "./ClientCursors"; -export interface CursorPositionFromServer { - clients: ClientCursors[]; -} +export interface CursorPositionFromServer { clients: ClientCursors[], } diff --git a/frontend/sync-client/src/services/types/CursorSpan.ts b/frontend/sync-client/src/services/types/CursorSpan.ts index 2cc2b7fc..7424067c 100644 --- a/frontend/sync-client/src/services/types/CursorSpan.ts +++ b/frontend/sync-client/src/services/types/CursorSpan.ts @@ -1,6 +1,3 @@ // This file was generated by [ts-rs](https://github.com/Aleph-Alpha/ts-rs). Do not edit this file manually. -export interface CursorSpan { - start: number; - end: number; -} +export interface CursorSpan { start: number, end: number, } diff --git a/frontend/sync-client/src/services/types/DocumentUpdateResponse.ts b/frontend/sync-client/src/services/types/DocumentUpdateResponse.ts index 7fd06c7a..418117e6 100644 --- a/frontend/sync-client/src/services/types/DocumentUpdateResponse.ts +++ b/frontend/sync-client/src/services/types/DocumentUpdateResponse.ts @@ -5,6 +5,4 @@ import type { DocumentVersionWithoutContent } from "./DocumentVersionWithoutCont /** * Response to an update document request. */ -export type DocumentUpdateResponse = - | ({ type: "FastForwardUpdate" } & DocumentVersionWithoutContent) - | ({ type: "MergingUpdate" } & DocumentVersion); +export type DocumentUpdateResponse = { "type": "FastForwardUpdate" } & DocumentVersionWithoutContent | { "type": "MergingUpdate" } & DocumentVersion; diff --git a/frontend/sync-client/src/services/types/DocumentVersion.ts b/frontend/sync-client/src/services/types/DocumentVersion.ts index 3b9aa37b..3d50ae65 100644 --- a/frontend/sync-client/src/services/types/DocumentVersion.ts +++ b/frontend/sync-client/src/services/types/DocumentVersion.ts @@ -1,12 +1,3 @@ // This file was generated by [ts-rs](https://github.com/Aleph-Alpha/ts-rs). Do not edit this file manually. -export interface DocumentVersion { - vaultUpdateId: number; - documentId: string; - relativePath: string; - updatedDate: string; - contentBase64: string; - isDeleted: boolean; - userId: string; - deviceId: string; -} +export interface DocumentVersion { vaultUpdateId: number, documentId: string, relativePath: string, updatedDate: string, contentBase64: string, isDeleted: boolean, userId: string, deviceId: string, } diff --git a/frontend/sync-client/src/services/types/DocumentVersionWithoutContent.ts b/frontend/sync-client/src/services/types/DocumentVersionWithoutContent.ts index 4b24e7c5..af064db8 100644 --- a/frontend/sync-client/src/services/types/DocumentVersionWithoutContent.ts +++ b/frontend/sync-client/src/services/types/DocumentVersionWithoutContent.ts @@ -1,12 +1,3 @@ // This file was generated by [ts-rs](https://github.com/Aleph-Alpha/ts-rs). Do not edit this file manually. -export interface DocumentVersionWithoutContent { - vaultUpdateId: number; - documentId: string; - relativePath: string; - updatedDate: string; - isDeleted: boolean; - userId: string; - deviceId: string; - contentSize: number; -} +export interface DocumentVersionWithoutContent { vaultUpdateId: number, documentId: string, relativePath: string, updatedDate: string, isDeleted: boolean, userId: string, deviceId: string, contentSize: number, } diff --git a/frontend/sync-client/src/services/types/DocumentWithCursors.ts b/frontend/sync-client/src/services/types/DocumentWithCursors.ts index dcfe6e2d..e7dad119 100644 --- a/frontend/sync-client/src/services/types/DocumentWithCursors.ts +++ b/frontend/sync-client/src/services/types/DocumentWithCursors.ts @@ -1,9 +1,4 @@ // This file was generated by [ts-rs](https://github.com/Aleph-Alpha/ts-rs). Do not edit this file manually. import type { CursorSpan } from "./CursorSpan"; -export interface DocumentWithCursors { - vault_update_id: number | null; - document_id: string; - relative_path: string; - cursors: CursorSpan[]; -} +export interface DocumentWithCursors { vault_update_id: number | null, document_id: string, relative_path: string, cursors: CursorSpan[], } diff --git a/frontend/sync-client/src/services/types/FetchLatestDocumentsResponse.ts b/frontend/sync-client/src/services/types/FetchLatestDocumentsResponse.ts index 315d701a..3be625bd 100644 --- a/frontend/sync-client/src/services/types/FetchLatestDocumentsResponse.ts +++ b/frontend/sync-client/src/services/types/FetchLatestDocumentsResponse.ts @@ -4,10 +4,8 @@ import type { DocumentVersionWithoutContent } from "./DocumentVersionWithoutCont /** * Response to a fetch latest documents request. */ -export interface FetchLatestDocumentsResponse { - latestDocuments: DocumentVersionWithoutContent[]; - /** - * The update ID of the latest document in the response. - */ - lastUpdateId: bigint; -} +export interface FetchLatestDocumentsResponse { latestDocuments: DocumentVersionWithoutContent[], +/** + * The update ID of the latest document in the response. + */ +lastUpdateId: bigint, } diff --git a/frontend/sync-client/src/services/types/PingResponse.ts b/frontend/sync-client/src/services/types/PingResponse.ts index f96520e9..ba8ceb48 100644 --- a/frontend/sync-client/src/services/types/PingResponse.ts +++ b/frontend/sync-client/src/services/types/PingResponse.ts @@ -3,23 +3,22 @@ /** * Response to a ping request. */ -export interface PingResponse { - /** - * Semantic version of the server. - */ - serverVersion: string; - /** - * Whether the client is authenticated based on the sent Authorization - * header. - */ - isAuthenticated: boolean; - /** - * List of file extensions that are allowed to be merged. - */ - mergeableFileExtensions: string[]; - /** - * API version ensuring backwards & forwards compatibility between the client - * and server. - */ - supportedApiVersion: number; -} +export interface PingResponse { +/** + * Semantic version of the server. + */ +serverVersion: string, +/** + * Whether the client is authenticated based on the sent Authorization + * header. + */ +isAuthenticated: boolean, +/** + * List of file extensions that are allowed to be merged. + */ +mergeableFileExtensions: string[], +/** + * API version ensuring backwards & forwards compatibility between the client + * and server. + */ +supportedApiVersion: number, } diff --git a/frontend/sync-client/src/services/types/SerializedError.ts b/frontend/sync-client/src/services/types/SerializedError.ts index ec1c4503..4389289e 100644 --- a/frontend/sync-client/src/services/types/SerializedError.ts +++ b/frontend/sync-client/src/services/types/SerializedError.ts @@ -1,7 +1,3 @@ // This file was generated by [ts-rs](https://github.com/Aleph-Alpha/ts-rs). Do not edit this file manually. -export interface SerializedError { - errorType: string; - message: string; - causes: string[]; -} +export interface SerializedError { errorType: string, message: string, causes: string[], } diff --git a/frontend/sync-client/src/services/types/UpdateTextDocumentVersion.ts b/frontend/sync-client/src/services/types/UpdateTextDocumentVersion.ts index 46f36bd0..aeb69f5a 100644 --- a/frontend/sync-client/src/services/types/UpdateTextDocumentVersion.ts +++ b/frontend/sync-client/src/services/types/UpdateTextDocumentVersion.ts @@ -1,7 +1,3 @@ // This file was generated by [ts-rs](https://github.com/Aleph-Alpha/ts-rs). Do not edit this file manually. -export interface UpdateTextDocumentVersion { - parentVersionId: number; - relativePath: string; - content: (number | string)[]; -} +export interface UpdateTextDocumentVersion { parentVersionId: number, relativePath: string, content: (number | string)[], } diff --git a/frontend/sync-client/src/services/types/WebSocketClientMessage.ts b/frontend/sync-client/src/services/types/WebSocketClientMessage.ts index 9608f3af..5765a0d0 100644 --- a/frontend/sync-client/src/services/types/WebSocketClientMessage.ts +++ b/frontend/sync-client/src/services/types/WebSocketClientMessage.ts @@ -2,6 +2,4 @@ import type { CursorPositionFromClient } from "./CursorPositionFromClient"; import type { WebSocketHandshake } from "./WebSocketHandshake"; -export type WebSocketClientMessage = - | ({ type: "handshake" } & WebSocketHandshake) - | ({ type: "cursorPositions" } & CursorPositionFromClient); +export type WebSocketClientMessage = { "type": "handshake" } & WebSocketHandshake | { "type": "cursorPositions" } & CursorPositionFromClient; diff --git a/frontend/sync-client/src/services/types/WebSocketHandshake.ts b/frontend/sync-client/src/services/types/WebSocketHandshake.ts index a2910f49..d25651f9 100644 --- a/frontend/sync-client/src/services/types/WebSocketHandshake.ts +++ b/frontend/sync-client/src/services/types/WebSocketHandshake.ts @@ -1,7 +1,3 @@ // This file was generated by [ts-rs](https://github.com/Aleph-Alpha/ts-rs). Do not edit this file manually. -export interface WebSocketHandshake { - token: string; - deviceId: string; - lastSeenVaultUpdateId: number | null; -} +export interface WebSocketHandshake { token: string, deviceId: string, lastSeenVaultUpdateId: number | null, } diff --git a/frontend/sync-client/src/services/types/WebSocketServerMessage.ts b/frontend/sync-client/src/services/types/WebSocketServerMessage.ts index fd250b7b..45e37358 100644 --- a/frontend/sync-client/src/services/types/WebSocketServerMessage.ts +++ b/frontend/sync-client/src/services/types/WebSocketServerMessage.ts @@ -2,6 +2,4 @@ import type { CursorPositionFromServer } from "./CursorPositionFromServer"; import type { WebSocketVaultUpdate } from "./WebSocketVaultUpdate"; -export type WebSocketServerMessage = - | ({ type: "vaultUpdate" } & WebSocketVaultUpdate) - | ({ type: "cursorPositions" } & CursorPositionFromServer); +export type WebSocketServerMessage = { "type": "vaultUpdate" } & WebSocketVaultUpdate | { "type": "cursorPositions" } & CursorPositionFromServer; diff --git a/frontend/sync-client/src/services/types/WebSocketVaultUpdate.ts b/frontend/sync-client/src/services/types/WebSocketVaultUpdate.ts index f1ea0f80..39e03b6f 100644 --- a/frontend/sync-client/src/services/types/WebSocketVaultUpdate.ts +++ b/frontend/sync-client/src/services/types/WebSocketVaultUpdate.ts @@ -1,7 +1,4 @@ // This file was generated by [ts-rs](https://github.com/Aleph-Alpha/ts-rs). Do not edit this file manually. import type { DocumentVersionWithoutContent } from "./DocumentVersionWithoutContent"; -export interface WebSocketVaultUpdate { - documents: DocumentVersionWithoutContent[]; - isInitialSync: boolean; -} +export interface WebSocketVaultUpdate { documents: DocumentVersionWithoutContent[], isInitialSync: boolean, } diff --git a/frontend/sync-client/src/sync-operations/cursor-tracker.ts b/frontend/sync-client/src/sync-operations/cursor-tracker.ts index 589e4b3b..abbfc973 100644 --- a/frontend/sync-client/src/sync-operations/cursor-tracker.ts +++ b/frontend/sync-client/src/sync-operations/cursor-tracker.ts @@ -10,7 +10,7 @@ import { hash } from "../utils/hash"; import type { FileChangeNotifier } from "./file-change-notifier"; import { Lock } from "../utils/data-structures/locks"; import { EventListeners } from "../utils/data-structures/event-listeners"; -import { Logger } from "../tracing/logger"; +import type { Logger } from "../tracing/logger"; // Cursor positions are updated separately from documents. However, a given cursor position is only // valid within a certain version of the document it belongs to. This class tracks previous and the latest diff --git a/frontend/sync-client/src/sync-operations/syncer.ts b/frontend/sync-client/src/sync-operations/syncer.ts index 05e3bdf0..eb5336f4 100644 --- a/frontend/sync-client/src/sync-operations/syncer.ts +++ b/frontend/sync-client/src/sync-operations/syncer.ts @@ -118,10 +118,10 @@ export class Syncer { public async syncLocallyDeletedFile( relativePath: RelativePath ): Promise { - let document = + const document = this.database.getLatestDocumentByRelativePath(relativePath); - if (document == null || document.isDeleted === true) { + if (document == null || document.isDeleted) { // This is must be a consequence of us deleting a file because of a remote update // which triggered a local delete, so we don't need to do anything here. this.logger.debug( diff --git a/frontend/sync-client/src/utils/debugging/log-to-console.ts b/frontend/sync-client/src/utils/debugging/log-to-console.ts index c8940536..f38335fe 100644 --- a/frontend/sync-client/src/utils/debugging/log-to-console.ts +++ b/frontend/sync-client/src/utils/debugging/log-to-console.ts @@ -16,7 +16,7 @@ export function logToConsole( ): void { logger.onLogEmitted.add((logLine: LogLine) => { const timestamp = logLine.timestamp.toISOString(); - const message = logLine.message; + const {message} = logLine; let color = ""; let reset = ""; From 65d75dec4049b525ce77c289c4c2ad10261ed455 Mon Sep 17 00:00:00 2001 From: Andras Schmelczer Date: Sat, 28 Mar 2026 12:07:14 +0000 Subject: [PATCH 05/26] Copy types --- .../history-ui/src/lib/types/ClientCursors.ts | 4 +++ .../src/lib/types/CreateDocumentVersion.ts | 3 +++ .../src/lib/types/CursorPositionFromClient.ts | 4 +++ .../src/lib/types/CursorPositionFromServer.ts | 4 +++ .../history-ui/src/lib/types/CursorSpan.ts | 3 +++ .../src/lib/types/DocumentUpdateResponse.ts | 8 ++++++ .../src/lib/types/DocumentVersion.ts | 3 +++ .../types/DocumentVersionWithoutContent.ts | 3 +++ .../src/lib/types/DocumentWithCursors.ts | 4 +++ .../lib/types/FetchLatestDocumentsResponse.ts | 11 ++++++++ .../history-ui/src/lib/types/PingResponse.ts | 24 +++++++++++++++++ .../src/lib/types/SerializedError.ts | 3 +++ .../lib/types/UpdateTextDocumentVersion.ts | 3 +++ .../src/lib/types/VaultHistoryResponse.ts | 7 +++++ .../src/lib/types/WebSocketClientMessage.ts | 5 ++++ .../src/lib/types/WebSocketHandshake.ts | 3 +++ .../src/lib/types/WebSocketServerMessage.ts | 5 ++++ .../src/lib/types/WebSocketVaultUpdate.ts | 4 +++ frontend/history-ui/src/lib/types/index.ts | 26 +++++++++++++++++++ scripts/update-api-types.sh | 1 + 20 files changed, 128 insertions(+) create mode 100644 frontend/history-ui/src/lib/types/ClientCursors.ts create mode 100644 frontend/history-ui/src/lib/types/CreateDocumentVersion.ts create mode 100644 frontend/history-ui/src/lib/types/CursorPositionFromClient.ts create mode 100644 frontend/history-ui/src/lib/types/CursorPositionFromServer.ts create mode 100644 frontend/history-ui/src/lib/types/CursorSpan.ts create mode 100644 frontend/history-ui/src/lib/types/DocumentUpdateResponse.ts create mode 100644 frontend/history-ui/src/lib/types/DocumentVersion.ts create mode 100644 frontend/history-ui/src/lib/types/DocumentVersionWithoutContent.ts create mode 100644 frontend/history-ui/src/lib/types/DocumentWithCursors.ts create mode 100644 frontend/history-ui/src/lib/types/FetchLatestDocumentsResponse.ts create mode 100644 frontend/history-ui/src/lib/types/PingResponse.ts create mode 100644 frontend/history-ui/src/lib/types/SerializedError.ts create mode 100644 frontend/history-ui/src/lib/types/UpdateTextDocumentVersion.ts create mode 100644 frontend/history-ui/src/lib/types/VaultHistoryResponse.ts create mode 100644 frontend/history-ui/src/lib/types/WebSocketClientMessage.ts create mode 100644 frontend/history-ui/src/lib/types/WebSocketHandshake.ts create mode 100644 frontend/history-ui/src/lib/types/WebSocketServerMessage.ts create mode 100644 frontend/history-ui/src/lib/types/WebSocketVaultUpdate.ts create mode 100644 frontend/history-ui/src/lib/types/index.ts diff --git a/frontend/history-ui/src/lib/types/ClientCursors.ts b/frontend/history-ui/src/lib/types/ClientCursors.ts new file mode 100644 index 00000000..bb629100 --- /dev/null +++ b/frontend/history-ui/src/lib/types/ClientCursors.ts @@ -0,0 +1,4 @@ +// This file was generated by [ts-rs](https://github.com/Aleph-Alpha/ts-rs). Do not edit this file manually. +import type { DocumentWithCursors } from "./DocumentWithCursors"; + +export type ClientCursors = { userName: string, deviceId: string, documentsWithCursors: Array, }; diff --git a/frontend/history-ui/src/lib/types/CreateDocumentVersion.ts b/frontend/history-ui/src/lib/types/CreateDocumentVersion.ts new file mode 100644 index 00000000..86ba60f3 --- /dev/null +++ b/frontend/history-ui/src/lib/types/CreateDocumentVersion.ts @@ -0,0 +1,3 @@ +// This file was generated by [ts-rs](https://github.com/Aleph-Alpha/ts-rs). Do not edit this file manually. + +export type CreateDocumentVersion = { relative_path: string, content: Array, }; diff --git a/frontend/history-ui/src/lib/types/CursorPositionFromClient.ts b/frontend/history-ui/src/lib/types/CursorPositionFromClient.ts new file mode 100644 index 00000000..60b48e5e --- /dev/null +++ b/frontend/history-ui/src/lib/types/CursorPositionFromClient.ts @@ -0,0 +1,4 @@ +// This file was generated by [ts-rs](https://github.com/Aleph-Alpha/ts-rs). Do not edit this file manually. +import type { DocumentWithCursors } from "./DocumentWithCursors"; + +export type CursorPositionFromClient = { documentsWithCursors: Array, }; diff --git a/frontend/history-ui/src/lib/types/CursorPositionFromServer.ts b/frontend/history-ui/src/lib/types/CursorPositionFromServer.ts new file mode 100644 index 00000000..c8444892 --- /dev/null +++ b/frontend/history-ui/src/lib/types/CursorPositionFromServer.ts @@ -0,0 +1,4 @@ +// This file was generated by [ts-rs](https://github.com/Aleph-Alpha/ts-rs). Do not edit this file manually. +import type { ClientCursors } from "./ClientCursors"; + +export type CursorPositionFromServer = { clients: Array, }; diff --git a/frontend/history-ui/src/lib/types/CursorSpan.ts b/frontend/history-ui/src/lib/types/CursorSpan.ts new file mode 100644 index 00000000..d0bce6ea --- /dev/null +++ b/frontend/history-ui/src/lib/types/CursorSpan.ts @@ -0,0 +1,3 @@ +// This file was generated by [ts-rs](https://github.com/Aleph-Alpha/ts-rs). Do not edit this file manually. + +export type CursorSpan = { start: number, end: number, }; diff --git a/frontend/history-ui/src/lib/types/DocumentUpdateResponse.ts b/frontend/history-ui/src/lib/types/DocumentUpdateResponse.ts new file mode 100644 index 00000000..418117e6 --- /dev/null +++ b/frontend/history-ui/src/lib/types/DocumentUpdateResponse.ts @@ -0,0 +1,8 @@ +// This file was generated by [ts-rs](https://github.com/Aleph-Alpha/ts-rs). Do not edit this file manually. +import type { DocumentVersion } from "./DocumentVersion"; +import type { DocumentVersionWithoutContent } from "./DocumentVersionWithoutContent"; + +/** + * Response to an update document request. + */ +export type DocumentUpdateResponse = { "type": "FastForwardUpdate" } & DocumentVersionWithoutContent | { "type": "MergingUpdate" } & DocumentVersion; diff --git a/frontend/history-ui/src/lib/types/DocumentVersion.ts b/frontend/history-ui/src/lib/types/DocumentVersion.ts new file mode 100644 index 00000000..37bd32ca --- /dev/null +++ b/frontend/history-ui/src/lib/types/DocumentVersion.ts @@ -0,0 +1,3 @@ +// This file was generated by [ts-rs](https://github.com/Aleph-Alpha/ts-rs). Do not edit this file manually. + +export type DocumentVersion = { vaultUpdateId: number, documentId: string, relativePath: string, updatedDate: string, contentBase64: string, isDeleted: boolean, userId: string, deviceId: string, }; diff --git a/frontend/history-ui/src/lib/types/DocumentVersionWithoutContent.ts b/frontend/history-ui/src/lib/types/DocumentVersionWithoutContent.ts new file mode 100644 index 00000000..03be2f63 --- /dev/null +++ b/frontend/history-ui/src/lib/types/DocumentVersionWithoutContent.ts @@ -0,0 +1,3 @@ +// This file was generated by [ts-rs](https://github.com/Aleph-Alpha/ts-rs). Do not edit this file manually. + +export type DocumentVersionWithoutContent = { vaultUpdateId: number, documentId: string, relativePath: string, updatedDate: string, isDeleted: boolean, userId: string, deviceId: string, contentSize: number, }; diff --git a/frontend/history-ui/src/lib/types/DocumentWithCursors.ts b/frontend/history-ui/src/lib/types/DocumentWithCursors.ts new file mode 100644 index 00000000..38857a35 --- /dev/null +++ b/frontend/history-ui/src/lib/types/DocumentWithCursors.ts @@ -0,0 +1,4 @@ +// This file was generated by [ts-rs](https://github.com/Aleph-Alpha/ts-rs). Do not edit this file manually. +import type { CursorSpan } from "./CursorSpan"; + +export type DocumentWithCursors = { vault_update_id: number | null, document_id: string, relative_path: string, cursors: Array, }; diff --git a/frontend/history-ui/src/lib/types/FetchLatestDocumentsResponse.ts b/frontend/history-ui/src/lib/types/FetchLatestDocumentsResponse.ts new file mode 100644 index 00000000..ce572684 --- /dev/null +++ b/frontend/history-ui/src/lib/types/FetchLatestDocumentsResponse.ts @@ -0,0 +1,11 @@ +// This file was generated by [ts-rs](https://github.com/Aleph-Alpha/ts-rs). Do not edit this file manually. +import type { DocumentVersionWithoutContent } from "./DocumentVersionWithoutContent"; + +/** + * Response to a fetch latest documents request. + */ +export type FetchLatestDocumentsResponse = { latestDocuments: Array, +/** + * The update ID of the latest document in the response. + */ +lastUpdateId: bigint, }; diff --git a/frontend/history-ui/src/lib/types/PingResponse.ts b/frontend/history-ui/src/lib/types/PingResponse.ts new file mode 100644 index 00000000..c38845d2 --- /dev/null +++ b/frontend/history-ui/src/lib/types/PingResponse.ts @@ -0,0 +1,24 @@ +// This file was generated by [ts-rs](https://github.com/Aleph-Alpha/ts-rs). Do not edit this file manually. + +/** + * Response to a ping request. + */ +export type PingResponse = { +/** + * Semantic version of the server. + */ +serverVersion: string, +/** + * Whether the client is authenticated based on the sent Authorization + * header. + */ +isAuthenticated: boolean, +/** + * List of file extensions that are allowed to be merged. + */ +mergeableFileExtensions: Array, +/** + * API version ensuring backwards & forwards compatibility between the client + * and server. + */ +supportedApiVersion: number, }; diff --git a/frontend/history-ui/src/lib/types/SerializedError.ts b/frontend/history-ui/src/lib/types/SerializedError.ts new file mode 100644 index 00000000..5e3fa9b9 --- /dev/null +++ b/frontend/history-ui/src/lib/types/SerializedError.ts @@ -0,0 +1,3 @@ +// This file was generated by [ts-rs](https://github.com/Aleph-Alpha/ts-rs). Do not edit this file manually. + +export type SerializedError = { errorType: string, message: string, causes: Array, }; diff --git a/frontend/history-ui/src/lib/types/UpdateTextDocumentVersion.ts b/frontend/history-ui/src/lib/types/UpdateTextDocumentVersion.ts new file mode 100644 index 00000000..458fc2bb --- /dev/null +++ b/frontend/history-ui/src/lib/types/UpdateTextDocumentVersion.ts @@ -0,0 +1,3 @@ +// This file was generated by [ts-rs](https://github.com/Aleph-Alpha/ts-rs). Do not edit this file manually. + +export type UpdateTextDocumentVersion = { parentVersionId: number, relativePath: string, content: Array, }; diff --git a/frontend/history-ui/src/lib/types/VaultHistoryResponse.ts b/frontend/history-ui/src/lib/types/VaultHistoryResponse.ts new file mode 100644 index 00000000..ae91b480 --- /dev/null +++ b/frontend/history-ui/src/lib/types/VaultHistoryResponse.ts @@ -0,0 +1,7 @@ +// This file was generated by [ts-rs](https://github.com/Aleph-Alpha/ts-rs). Do not edit this file manually. +import type { DocumentVersionWithoutContent } from "./DocumentVersionWithoutContent"; + +/** + * Response to a vault history request (paginated). + */ +export type VaultHistoryResponse = { versions: Array, hasMore: boolean, }; diff --git a/frontend/history-ui/src/lib/types/WebSocketClientMessage.ts b/frontend/history-ui/src/lib/types/WebSocketClientMessage.ts new file mode 100644 index 00000000..5765a0d0 --- /dev/null +++ b/frontend/history-ui/src/lib/types/WebSocketClientMessage.ts @@ -0,0 +1,5 @@ +// This file was generated by [ts-rs](https://github.com/Aleph-Alpha/ts-rs). Do not edit this file manually. +import type { CursorPositionFromClient } from "./CursorPositionFromClient"; +import type { WebSocketHandshake } from "./WebSocketHandshake"; + +export type WebSocketClientMessage = { "type": "handshake" } & WebSocketHandshake | { "type": "cursorPositions" } & CursorPositionFromClient; diff --git a/frontend/history-ui/src/lib/types/WebSocketHandshake.ts b/frontend/history-ui/src/lib/types/WebSocketHandshake.ts new file mode 100644 index 00000000..85c2cf0d --- /dev/null +++ b/frontend/history-ui/src/lib/types/WebSocketHandshake.ts @@ -0,0 +1,3 @@ +// This file was generated by [ts-rs](https://github.com/Aleph-Alpha/ts-rs). Do not edit this file manually. + +export type WebSocketHandshake = { token: string, deviceId: string, lastSeenVaultUpdateId: number | null, }; diff --git a/frontend/history-ui/src/lib/types/WebSocketServerMessage.ts b/frontend/history-ui/src/lib/types/WebSocketServerMessage.ts new file mode 100644 index 00000000..45e37358 --- /dev/null +++ b/frontend/history-ui/src/lib/types/WebSocketServerMessage.ts @@ -0,0 +1,5 @@ +// This file was generated by [ts-rs](https://github.com/Aleph-Alpha/ts-rs). Do not edit this file manually. +import type { CursorPositionFromServer } from "./CursorPositionFromServer"; +import type { WebSocketVaultUpdate } from "./WebSocketVaultUpdate"; + +export type WebSocketServerMessage = { "type": "vaultUpdate" } & WebSocketVaultUpdate | { "type": "cursorPositions" } & CursorPositionFromServer; diff --git a/frontend/history-ui/src/lib/types/WebSocketVaultUpdate.ts b/frontend/history-ui/src/lib/types/WebSocketVaultUpdate.ts new file mode 100644 index 00000000..b627ac3c --- /dev/null +++ b/frontend/history-ui/src/lib/types/WebSocketVaultUpdate.ts @@ -0,0 +1,4 @@ +// This file was generated by [ts-rs](https://github.com/Aleph-Alpha/ts-rs). Do not edit this file manually. +import type { DocumentVersionWithoutContent } from "./DocumentVersionWithoutContent"; + +export type WebSocketVaultUpdate = { documents: Array, isInitialSync: boolean, }; diff --git a/frontend/history-ui/src/lib/types/index.ts b/frontend/history-ui/src/lib/types/index.ts new file mode 100644 index 00000000..6377ebda --- /dev/null +++ b/frontend/history-ui/src/lib/types/index.ts @@ -0,0 +1,26 @@ +export type { DocumentVersion } from "./DocumentVersion"; +export type { DocumentVersionWithoutContent } from "./DocumentVersionWithoutContent"; +export type { FetchLatestDocumentsResponse } from "./FetchLatestDocumentsResponse"; +export type { PingResponse } from "./PingResponse"; +export type { VaultHistoryResponse } from "./VaultHistoryResponse"; + +export type ActionType = + | "created" + | "updated" + | "renamed" + | "deleted" + | "restored"; + +export interface VersionEvent extends DocumentVersionWithoutContent { + action: ActionType; + previousPath?: string; +} + +export interface TreeNode { + name: string; + path: string; + isFolder: boolean; + children: TreeNode[]; + document?: DocumentVersionWithoutContent; + isDeleted?: boolean; +} diff --git a/scripts/update-api-types.sh b/scripts/update-api-types.sh index 36ca100d..1f10944c 100755 --- a/scripts/update-api-types.sh +++ b/scripts/update-api-types.sh @@ -9,6 +9,7 @@ cargo test export_bindings cd - cp -r sync-server/bindings/* frontend/sync-client/src/services/types/ +cp -r sync-server/bindings/* frontend/history-ui/src/lib/types/ cd frontend npm run lint From 1c6cd80b6414a0e1025720093111971343712acb Mon Sep 17 00:00:00 2001 From: Andras Schmelczer Date: Sat, 28 Mar 2026 12:07:44 +0000 Subject: [PATCH 06/26] Update hashing --- .../sync-client/src/sync-operations/syncer.ts | 2 +- .../src/sync-operations/unrestricted-syncer.ts | 6 +++--- frontend/sync-client/src/utils/hash.ts | 15 +++++---------- 3 files changed, 9 insertions(+), 14 deletions(-) diff --git a/frontend/sync-client/src/sync-operations/syncer.ts b/frontend/sync-client/src/sync-operations/syncer.ts index eb5336f4..4cf92097 100644 --- a/frontend/sync-client/src/sync-operations/syncer.ts +++ b/frontend/sync-client/src/sync-operations/syncer.ts @@ -348,7 +348,7 @@ export class Syncer { try { const contentBytes = await this.operations.read(relativePath); // this can throw FileNotFoundError - return hash(contentBytes); + return await hash(contentBytes); } catch (e) { if ( e instanceof Error && diff --git a/frontend/sync-client/src/sync-operations/unrestricted-syncer.ts b/frontend/sync-client/src/sync-operations/unrestricted-syncer.ts index d32e983e..98a64f5d 100644 --- a/frontend/sync-client/src/sync-operations/unrestricted-syncer.ts +++ b/frontend/sync-client/src/sync-operations/unrestricted-syncer.ts @@ -101,7 +101,7 @@ export class UnrestrictedSyncer { const contentBytes = await this.operations.read( document.relativePath ); // this can throw FileNotFoundError - const contentHash = hash(contentBytes); + const contentHash = await hash(contentBytes); let response: DocumentVersion | DocumentUpdateResponse | undefined = undefined; @@ -342,7 +342,7 @@ export class UnrestrictedSyncer { { documentId: remoteVersion.documentId, parentVersionId: remoteVersion.vaultUpdateId, - hash: hash(contentBytes), + hash: await hash(contentBytes), remoteRelativePath: remoteVersion.relativePath }, this.database.createNewPendingDocument( @@ -513,7 +513,7 @@ export class UnrestrictedSyncer { if (!("type" in response) || response.type === "MergingUpdate") { const responseBytes = base64ToBytes(response.contentBase64); - contentHash = hash(responseBytes); + contentHash = await hash(responseBytes); this.database.updateDocumentMetadata( { diff --git a/frontend/sync-client/src/utils/hash.ts b/frontend/sync-client/src/utils/hash.ts index 906b6fad..814faefa 100644 --- a/frontend/sync-client/src/utils/hash.ts +++ b/frontend/sync-client/src/utils/hash.ts @@ -1,12 +1,7 @@ -// https://stackoverflow.com/questions/7616461/generate-a-hash-from-string-in-javascript -export function hash(content: Uint8Array): string { - let result = 0; - // eslint-disable-next-line @typescript-eslint/prefer-for-of - for (let i = 0; i < content.length; i++) { - result = (result << 5) - result + content[i]; - result |= 0; // Convert to 32bit integer - } - return Math.abs(result).toString(16).padStart(8, "0"); +export async function hash(content: Uint8Array): Promise { + const digest = await crypto.subtle.digest("SHA-256", content); + const bytes = new Uint8Array(digest); + return Array.from(bytes, (b) => b.toString(16).padStart(2, "0")).join(""); } -export const EMPTY_HASH = hash(new Uint8Array(0)); +export const EMPTY_HASH = await hash(new Uint8Array(0)); From f3d985cc573577c620d89451fc3af5f06b75412b Mon Sep 17 00:00:00 2001 From: Andras Schmelczer Date: Sat, 28 Mar 2026 12:07:57 +0000 Subject: [PATCH 07/26] Remove duplicate errors --- .../src/file-operations/file-not-found-error.ts | 9 --------- .../sync-client/src/services/authentication-error.ts | 6 ------ .../src/services/server-version-mismatch-error.ts | 6 ------ frontend/sync-client/src/services/sync-reset-error.ts | 6 ------ .../sync-client/src/sync-operations/cursor-tracker.ts | 4 ++-- 5 files changed, 2 insertions(+), 29 deletions(-) delete mode 100644 frontend/sync-client/src/file-operations/file-not-found-error.ts delete mode 100644 frontend/sync-client/src/services/authentication-error.ts delete mode 100644 frontend/sync-client/src/services/server-version-mismatch-error.ts delete mode 100644 frontend/sync-client/src/services/sync-reset-error.ts diff --git a/frontend/sync-client/src/file-operations/file-not-found-error.ts b/frontend/sync-client/src/file-operations/file-not-found-error.ts deleted file mode 100644 index b8acd265..00000000 --- a/frontend/sync-client/src/file-operations/file-not-found-error.ts +++ /dev/null @@ -1,9 +0,0 @@ -export class FileNotFoundError extends Error { - public constructor( - message: string, - public readonly filePath: string - ) { - super(message); - this.name = "FileNotFoundError"; - } -} diff --git a/frontend/sync-client/src/services/authentication-error.ts b/frontend/sync-client/src/services/authentication-error.ts deleted file mode 100644 index 6be4af24..00000000 --- a/frontend/sync-client/src/services/authentication-error.ts +++ /dev/null @@ -1,6 +0,0 @@ -export class AuthenticationError extends Error { - public constructor(message: string) { - super(message); - this.name = "AuthenticationError"; - } -} diff --git a/frontend/sync-client/src/services/server-version-mismatch-error.ts b/frontend/sync-client/src/services/server-version-mismatch-error.ts deleted file mode 100644 index 0b9960ea..00000000 --- a/frontend/sync-client/src/services/server-version-mismatch-error.ts +++ /dev/null @@ -1,6 +0,0 @@ -export class ServerVersionMismatchError extends Error { - public constructor(message: string) { - super(message); - this.name = "ServerVersionMismatchError"; - } -} diff --git a/frontend/sync-client/src/services/sync-reset-error.ts b/frontend/sync-client/src/services/sync-reset-error.ts deleted file mode 100644 index 7b74e0b9..00000000 --- a/frontend/sync-client/src/services/sync-reset-error.ts +++ /dev/null @@ -1,6 +0,0 @@ -export class SyncResetError extends Error { - public constructor() { - super("SyncClient has been reset, cleaning up"); - this.name = "SyncResetError"; - } -} diff --git a/frontend/sync-client/src/sync-operations/cursor-tracker.ts b/frontend/sync-client/src/sync-operations/cursor-tracker.ts index abbfc973..dbce144b 100644 --- a/frontend/sync-client/src/sync-operations/cursor-tracker.ts +++ b/frontend/sync-client/src/sync-operations/cursor-tracker.ts @@ -142,7 +142,7 @@ export class CursorTracker { const record = this.database.getLatestDocumentByRelativePath( doc.relative_path ); - if (record?.metadata?.hash !== hash(readContent)) { + if (record?.metadata?.hash !== (await hash(readContent))) { doc.vault_update_id = null; } } @@ -255,7 +255,7 @@ export class CursorTracker { return this.database.getLatestDocumentByRelativePath( document.relative_path - )?.metadata?.hash === hash(currentContent) + )?.metadata?.hash === (await hash(currentContent)) ? DocumentUpToDateness.UpToDate : DocumentUpToDateness.Prior; } From 9ae1a5e09e1e446351e9626a1ad4d046d715b414 Mon Sep 17 00:00:00 2001 From: Andras Schmelczer Date: Sat, 28 Mar 2026 17:24:45 +0000 Subject: [PATCH 08/26] Add sync event queue --- .../sync-operations/sync-event-queue.test.ts | 46 ++++++++++ .../src/sync-operations/sync-event-queue.ts | 85 +++++++++++++++++++ 2 files changed, 131 insertions(+) create mode 100644 frontend/sync-client/src/sync-operations/sync-event-queue.test.ts create mode 100644 frontend/sync-client/src/sync-operations/sync-event-queue.ts diff --git a/frontend/sync-client/src/sync-operations/sync-event-queue.test.ts b/frontend/sync-client/src/sync-operations/sync-event-queue.test.ts new file mode 100644 index 00000000..7e43b700 --- /dev/null +++ b/frontend/sync-client/src/sync-operations/sync-event-queue.test.ts @@ -0,0 +1,46 @@ +import { describe, it } from "node:test"; +import assert from "node:assert"; +import { SyncEventQueue, type SyncEvent } from "./sync-event-queue"; + +describe("SyncEventQueue", () => { + it("delete collapses interleaved events for one document while leaving the other intact", () => { + const queue = new SyncEventQueue(); + queue.enqueue({ type: "local-content-update", documentId: "A" }); + queue.enqueue({ type: "remote-content-update", documentId: "B" }); + queue.enqueue({ type: "local-content-update", documentId: "A" }); + queue.enqueue({ type: "move", documentId: "A" }); + queue.enqueue({ type: "remote-content-update", documentId: "A" }); + queue.enqueue({ type: "delete", documentId: "A" }); + queue.enqueue({ type: "local-content-update", documentId: "B" }); + + assert.deepStrictEqual(queue.next(), { type: "delete", documentId: "A" }); + assert.deepStrictEqual(queue.next(), { + type: "local-content-update", + documentId: "B" + }); + assert.strictEqual(queue.next(), undefined); + }); + + it("updates coalesce up to a move boundary then post-move events are processed separately", () => { + const queue = new SyncEventQueue(); + queue.enqueue({ type: "local-content-update", documentId: "X" }); + queue.enqueue({ type: "remote-content-update", documentId: "X" }); + queue.enqueue({ type: "file-create", path: "new.md" }); + queue.enqueue({ type: "local-content-update", documentId: "X" }); + queue.enqueue({ type: "move", documentId: "X" }); + queue.enqueue({ type: "remote-content-update", documentId: "X" }); + queue.enqueue({ type: "local-content-update", documentId: "X" }); + + assert.deepStrictEqual(queue.next(), { + type: "local-content-update", + documentId: "X" + }); + assert.deepStrictEqual(queue.next(), { type: "file-create", path: "new.md" }); + assert.deepStrictEqual(queue.next(), { type: "move", documentId: "X" }); + assert.deepStrictEqual(queue.next(), { + type: "local-content-update", + documentId: "X" + }); + assert.strictEqual(queue.next(), undefined); + }); +}); diff --git a/frontend/sync-client/src/sync-operations/sync-event-queue.ts b/frontend/sync-client/src/sync-operations/sync-event-queue.ts new file mode 100644 index 00000000..c3d8af82 --- /dev/null +++ b/frontend/sync-client/src/sync-operations/sync-event-queue.ts @@ -0,0 +1,85 @@ +import type { DocumentId, RelativePath } from "../persistence/database"; + +export type SyncEvent = + | { type: "file-create"; path: RelativePath } + | { type: "local-content-update"; documentId: DocumentId } + | { type: "remote-content-update"; documentId: DocumentId } + | { type: "move"; documentId: DocumentId } + | { type: "delete"; documentId: DocumentId }; + +export class SyncEventQueue { + private readonly events: SyncEvent[] = []; + + public get size(): number { + return this.events.length; + } + + public clear(): void { + this.events.length = 0; + } + + public enqueue(event: SyncEvent): void { + this.events.push(event); + } + + public next(): SyncEvent | undefined { + if (this.events.length === 0) return undefined; + + const first = this.events[0]; + if (first.type === "file-create") { + this.events.shift(); + return first; + } + + const { documentId } = first; + + // If there's an eventual delete, discard everything for this document + const deleteEvent = this.events.find( + (e) => e.type === "delete" && e.documentId === documentId + ); + if (deleteEvent) { + this.removeAllForDocument(documentId); + return deleteEvent; + } + + // Coalesce updates: return the last update before the next move for this document. + // Moves act as barriers since they depend on each other + const moveIndex = this.events.findIndex( + (e) => e.type === "move" && e.documentId === documentId + ); + const boundary = moveIndex === -1 ? this.events.length : moveIndex; + + const updateIndices: number[] = []; + for (let i = 0; i < boundary; i++) { + const e = this.events[i]; + if ( + (e.type === "local-content-update" || + e.type === "remote-content-update") && + e.documentId === documentId + ) { + updateIndices.push(i); + } + } + + if (updateIndices.length > 0) { + const result = this.events[updateIndices[updateIndices.length - 1]]; + for (let i = updateIndices.length - 1; i >= 0; i--) { + this.events.splice(updateIndices[i], 1); + } + return result; + } + + // First event is a move with no preceding updates + this.events.shift(); + return first; + } + + private removeAllForDocument(documentId: DocumentId): void { + for (let i = this.events.length - 1; i >= 0; i--) { + const e = this.events[i]; + if (e.type !== "file-create" && e.documentId === documentId) { + this.events.splice(i, 1); + } + } + } +} From 44947dc3a52eb353290cc32dc7d3f37e88a555c1 Mon Sep 17 00:00:00 2001 From: Andras Schmelczer Date: Sat, 28 Mar 2026 18:15:43 +0000 Subject: [PATCH 09/26] Add vault listing endpoint --- sync-server/src/app_state/database.rs | 175 ++++++++++++++++++- sync-server/src/app_state/database/models.rs | 18 ++ sync-server/src/server.rs | 4 +- sync-server/src/server/auth.rs | 10 +- sync-server/src/server/list_vaults.rs | 82 +++++++++ sync-server/src/server/responses.rs | 30 ++++ 6 files changed, 314 insertions(+), 5 deletions(-) create mode 100644 sync-server/src/server/list_vaults.rs diff --git a/sync-server/src/app_state/database.rs b/sync-server/src/app_state/database.rs index b0ef0ee7..eb450c56 100644 --- a/sync-server/src/app_state/database.rs +++ b/sync-server/src/app_state/database.rs @@ -6,7 +6,7 @@ use log::info; use models::{ DocumentId, DocumentVersionWithoutContent, StoredDocumentVersion, VaultId, VaultUpdateId, }; -use sqlx::{ConnectOptions, sqlite::SqliteConnectOptions, types::chrono::Utc}; +use sqlx::{ConnectOptions, Connection, sqlite::SqliteConnectOptions, types::chrono::Utc}; pub mod models; @@ -171,6 +171,45 @@ fn rollback_before_acquire( } impl Database { + /// Lists all vault IDs that exist on disk (have a `.sqlite` file). + pub async fn list_vaults(&self) -> Result> { + let mut vaults = Vec::new(); + let mut entries = tokio::fs::read_dir(&self.config.databases_directory_path) + .await + .context("Failed to read databases directory")?; + while let Some(entry) = entries.next_entry().await? { + let name = entry.file_name().to_string_lossy().to_string(); + if let Some(vault) = name.strip_suffix(".sqlite") { + vaults.push(vault.to_owned()); + } + } + vaults.sort(); + Ok(vaults) + } + + pub async fn get_vault_stats( + &self, + vault: &VaultId, + ) -> Result { + let pool = self.get_connection_pool(vault).await?; + let row = sqlx::query!( + r#" + SELECT + (SELECT MIN(updated_date) FROM documents) + AS "created_at: chrono::DateTime", + (SELECT COUNT(DISTINCT document_id) FROM latest_document_versions + WHERE is_deleted = false) + AS "document_count!: u32" + "#, + ) + .fetch_one(&pool) + .await?; + Ok(models::VaultStats { + created_at: row.created_at, + document_count: row.document_count, + }) + } + pub async fn try_new( config: &DatabaseConfig, broadcasts: &Broadcasts, @@ -683,6 +722,140 @@ impl Database { Ok(()) } + /// Return all versions (without content) of a specific document, ordered by `vault_update_id` + pub async fn get_document_versions( + &self, + vault: &VaultId, + document_id: &DocumentId, + connection: Option<&mut SqliteConnection>, + ) -> Result> { + let document_id = document_id.as_hyphenated(); + let query = sqlx::query!( + r#" + select + vault_update_id, + document_id as "document_id: Hyphenated", + relative_path, + updated_date as "updated_date: chrono::DateTime", + is_deleted, + user_id, + device_id, + length(content) as "content_size: u64" + from documents + where document_id = ? + order by vault_update_id + "#, + document_id, + ); + + if let Some(conn) = connection { + query.fetch_all(&mut *conn).await + } else { + query + .fetch_all(&self.get_connection_pool(vault).await?) + .await + } + .with_context(|| format!("Cannot fetch document versions for document `{document_id}`")) + .map(|rows| { + rows.into_iter() + .map(|row| DocumentVersionWithoutContent { + vault_update_id: row.vault_update_id, + document_id: row.document_id.into(), + relative_path: row.relative_path, + updated_date: row.updated_date, + is_deleted: row.is_deleted, + user_id: row.user_id, + device_id: row.device_id, + content_size: row.content_size.unwrap_or(0), + }) + .collect() + }) + } + + /// Return all versions across all documents, paginated, ordered by `vault_update_id` DESC + pub async fn get_vault_history( + &self, + vault: &VaultId, + limit: i64, + before_update_id: Option, + connection: Option<&mut SqliteConnection>, + ) -> Result> { + let map_row = |row: models::VaultHistoryRow| DocumentVersionWithoutContent { + vault_update_id: row.vault_update_id, + document_id: row.document_id, + relative_path: row.relative_path, + updated_date: row.updated_date, + is_deleted: row.is_deleted, + user_id: row.user_id, + device_id: row.device_id, + content_size: row.content_size.unwrap_or(0), + }; + + if let Some(before) = before_update_id { + let query = sqlx::query_as!( + models::VaultHistoryRow, + r#" + select + vault_update_id, + document_id as "document_id: Hyphenated", + relative_path, + updated_date as "updated_date: chrono::DateTime", + is_deleted, + user_id, + device_id, + length(content) as "content_size: u64" + from documents + where vault_update_id < ? + order by vault_update_id desc + limit ? + "#, + before, + limit, + ); + + let rows = if let Some(conn) = connection { + query.fetch_all(&mut *conn).await + } else { + query + .fetch_all(&self.get_connection_pool(vault).await?) + .await + } + .context("Cannot fetch vault history")?; + + Ok(rows.into_iter().map(map_row).collect()) + } else { + let query = sqlx::query_as!( + models::VaultHistoryRow, + r#" + select + vault_update_id, + document_id as "document_id: Hyphenated", + relative_path, + updated_date as "updated_date: chrono::DateTime", + is_deleted, + user_id, + device_id, + length(content) as "content_size: u64" + from documents + order by vault_update_id desc + limit ? + "#, + limit, + ); + + let rows = if let Some(conn) = connection { + query.fetch_all(&mut *conn).await + } else { + query + .fetch_all(&self.get_connection_pool(vault).await?) + .await + } + .context("Cannot fetch vault history")?; + + Ok(rows.into_iter().map(map_row).collect()) + } + } + /// Cleanup idle connection pools that haven't been accessed in more than 5 minutes async fn cleanup_idle_pools(&self) { // Collect idle vaults and remove them from the map while holding diff --git a/sync-server/src/app_state/database/models.rs b/sync-server/src/app_state/database/models.rs index 59d08c82..7aea3358 100644 --- a/sync-server/src/app_state/database/models.rs +++ b/sync-server/src/app_state/database/models.rs @@ -77,6 +77,24 @@ pub struct DocumentVersion { pub device_id: DeviceId, } +/// Row struct for vault history queries (used by `sqlx::query_as!`) +#[derive(Debug)] +pub struct VaultHistoryRow { + pub vault_update_id: VaultUpdateId, + pub document_id: DocumentId, + pub relative_path: String, + pub updated_date: DateTime, + pub is_deleted: bool, + pub user_id: String, + pub device_id: String, + pub content_size: Option, +} + +pub struct VaultStats { + pub created_at: Option>, + pub document_count: u32, +} + impl From for DocumentVersion { fn from(value: StoredDocumentVersion) -> Self { Self { diff --git a/sync-server/src/server.rs b/sync-server/src/server.rs index 95b0038b..48191893 100644 --- a/sync-server/src/server.rs +++ b/sync-server/src/server.rs @@ -55,6 +55,8 @@ pub async fn create_server(config: Config) -> Result<()> { let app = Router::new() .nest("/", get_authed_routes(app_state.clone())) .route("/", get(index::index)) + .route("/assets/*path", get(index::spa_assets)) + .route("/vaults", get(list_vaults::list_vaults)) .route("/vaults/:vault_id/ping", get(ping::ping)) .route("/vaults/:vault_id/ws", get(websocket::websocket_handler)) .fallback(index::spa_fallback); @@ -106,7 +108,7 @@ fn build_cors_layer(server_config: &ServerConfig) -> Result { let origins = &server_config.allowed_origins; let cors = if origins.len() == 1 && origins[0] == "*" { - info!("CORS: allowing all origins (wildcard)"); + info!("CORS: allowing all origins"); let header: HeaderValue = "*" .parse() .context("Failed to parse wildcard CORS origin")?; diff --git a/sync-server/src/server/auth.rs b/sync-server/src/server/auth.rs index 3b5474d4..7fa45abd 100644 --- a/sync-server/src/server/auth.rs +++ b/sync-server/src/server/auth.rs @@ -41,13 +41,17 @@ pub async fn auth_middleware( Ok(next.run(req).await) } -pub fn auth(state: &AppState, token: &str, vault_id: &VaultId) -> Result { - let user = state +pub fn authenticate(state: &AppState, token: &str) -> Result { + state .config .users .get_user(token) .cloned() - .ok_or_else(|| unauthenticated_error(anyhow::anyhow!("Invalid token")))?; + .ok_or_else(|| unauthenticated_error(anyhow::anyhow!("Invalid token"))) +} + +pub fn auth(state: &AppState, token: &str, vault_id: &VaultId) -> Result { + let user = authenticate(state, token)?; if match user.vault_access { VaultAccess::AllowAccessToAll => true, diff --git a/sync-server/src/server/list_vaults.rs b/sync-server/src/server/list_vaults.rs new file mode 100644 index 00000000..7ef23405 --- /dev/null +++ b/sync-server/src/server/list_vaults.rs @@ -0,0 +1,82 @@ +use axum::{ + Json, + extract::{Query, State}, +}; +use axum_extra::{ + TypedHeader, + headers::{Authorization, authorization::Bearer}, +}; +use log::debug; +use serde::Deserialize; + +use super::{ + auth::authenticate, + responses::{ListVaultsResponse, VaultInfo}, +}; +use crate::{ + app_state::AppState, + config::user_config::{AllowListedVaults, VaultAccess}, + errors::{SyncServerError, server_error, unauthenticated_error}, +}; + +const DEFAULT_LIMIT: usize = 50; +const MAX_LIMIT: usize = 200; + +#[derive(Deserialize)] +pub struct QueryParams { + limit: Option, + after: Option, +} + +#[axum::debug_handler] +pub async fn list_vaults( + auth_header: Option>>, + Query(QueryParams { limit, after }): Query, + State(state): State, +) -> Result, SyncServerError> { + let auth_header = auth_header + .ok_or_else(|| unauthenticated_error(anyhow::anyhow!("Missing Authorization header")))?; + + let user = authenticate(&state, auth_header.token().trim())?; + + debug!("User `{}` listing accessible vaults", user.name); + + let existing_vaults = state.database.list_vaults().await.map_err(server_error)?; + + let mut accessible: Vec = match user.vault_access { + VaultAccess::AllowAccessToAll => existing_vaults, + VaultAccess::AllowList(AllowListedVaults { ref allowed }) => existing_vaults + .into_iter() + .filter(|v| allowed.contains(v)) + .collect(), + }; + + // Cursor-based pagination: skip vaults up to and including `after` + if let Some(ref cursor) = after { + accessible.retain(|v| v.as_str() > cursor.as_str()); + } + + let limit = limit.unwrap_or(DEFAULT_LIMIT).clamp(1, MAX_LIMIT); + let has_more = accessible.len() > limit; + accessible.truncate(limit); + + let mut vaults = Vec::with_capacity(accessible.len()); + for name in accessible { + let stats = state + .database + .get_vault_stats(&name) + .await + .map_err(server_error)?; + vaults.push(VaultInfo { + name, + document_count: stats.document_count, + created_at: stats.created_at, + }); + } + + Ok(Json(ListVaultsResponse { + vaults, + has_more, + user_name: user.name, + })) +} diff --git a/sync-server/src/server/responses.rs b/sync-server/src/server/responses.rs index a8b3fcd7..f393747d 100644 --- a/sync-server/src/server/responses.rs +++ b/sync-server/src/server/responses.rs @@ -1,3 +1,4 @@ +use chrono::{DateTime, Utc}; use serde::{self, Serialize}; use ts_rs::TS; @@ -36,6 +37,35 @@ pub struct FetchLatestDocumentsResponse { pub last_update_id: VaultUpdateId, } +/// Response to a vault history request (paginated). +#[derive(TS, Debug, Clone, Serialize)] +#[serde(rename_all = "camelCase")] +#[ts(export)] +pub struct VaultHistoryResponse { + pub versions: Vec, + pub has_more: bool, +} + +/// Summary of a single vault returned by the list-vaults endpoint. +#[derive(TS, Debug, Clone, Serialize)] +#[serde(rename_all = "camelCase")] +#[ts(export)] +pub struct VaultInfo { + pub name: String, + pub document_count: u32, + pub created_at: Option>, +} + +/// Response to listing vaults accessible to the authenticated user. +#[derive(TS, Debug, Clone, Serialize)] +#[serde(rename_all = "camelCase")] +#[ts(export)] +pub struct ListVaultsResponse { + pub vaults: Vec, + pub has_more: bool, + pub user_name: String, +} + /// Response to an update document request. #[derive(TS, Debug, Clone, Serialize)] #[serde(tag = "type")] From adad2d57037644860656e31e81f2b0cbb2525dc4 Mon Sep 17 00:00:00 2001 From: Andras Schmelczer Date: Sat, 28 Mar 2026 18:16:22 +0000 Subject: [PATCH 10/26] No more create promis --- .../sync-client/src/utils/create-promise.ts | 25 ------------------- frontend/sync-client/src/utils/rate-limit.ts | 3 +-- 2 files changed, 1 insertion(+), 27 deletions(-) delete mode 100644 frontend/sync-client/src/utils/create-promise.ts diff --git a/frontend/sync-client/src/utils/create-promise.ts b/frontend/sync-client/src/utils/create-promise.ts deleted file mode 100644 index a49196ee..00000000 --- a/frontend/sync-client/src/utils/create-promise.ts +++ /dev/null @@ -1,25 +0,0 @@ -type ResolveFunction = undefined extends T - ? (value?: T) => unknown - : (value: T) => unknown; - -/** - * A type-safe utility function to create a Promise with resolve and reject functions. - * @returns A tuple containing a Promise, a resolve function, and a reject function. - */ -export function createPromise(): [ - Promise, - ResolveFunction, - (error: unknown) => unknown -] { - let resolve: undefined | ResolveFunction = undefined; - let reject: undefined | ((error: unknown) => unknown) = undefined; - - const creationPromise = new Promise( - (resolve_, reject_) => - // eslint-disable-next-line @typescript-eslint/no-unsafe-type-assertion - ((resolve = resolve_ as ResolveFunction), (reject = reject_)) - ); - - // eslint-disable-next-line @typescript-eslint/no-non-null-assertion - return [creationPromise, resolve!, reject!]; -} diff --git a/frontend/sync-client/src/utils/rate-limit.ts b/frontend/sync-client/src/utils/rate-limit.ts index 52cbbce7..54373f50 100644 --- a/frontend/sync-client/src/utils/rate-limit.ts +++ b/frontend/sync-client/src/utils/rate-limit.ts @@ -1,4 +1,3 @@ -import { createPromise } from "./create-promise"; import { sleep } from "./sleep"; /** @@ -45,7 +44,7 @@ export function rateLimit< newArgs = undefined; } - const [promise, resolve] = createPromise(); + const { promise, resolve } = Promise.withResolvers(); running = promise; sleep( typeof minIntervalMs === "function" From 4aeec1b02126ecf21acc5c3747101e18f6cdd7b0 Mon Sep 17 00:00:00 2001 From: Andras Schmelczer Date: Wed, 1 Apr 2026 21:38:57 +0100 Subject: [PATCH 11/26] Use tempfs --- scripts/clean-up.sh | 2 +- sync-server/config-e2e.yml | 2 +- 2 files changed, 2 insertions(+), 2 deletions(-) diff --git a/scripts/clean-up.sh b/scripts/clean-up.sh index 4dfbf4a0..dcf400bb 100755 --- a/scripts/clean-up.sh +++ b/scripts/clean-up.sh @@ -1,4 +1,4 @@ #!/bin/bash -rm -rf sync-server/databases +rm -rf /host/tmp/vaultlink-e2e-databases rm -rf logs diff --git a/sync-server/config-e2e.yml b/sync-server/config-e2e.yml index 96b3c199..d0f76446 100644 --- a/sync-server/config-e2e.yml +++ b/sync-server/config-e2e.yml @@ -1,5 +1,5 @@ database: - databases_directory_path: databases + databases_directory_path: /host/tmp/vaultlink-e2e-databases max_connections_per_vault: 8 cursor_timeout: 1m server: From 1bb1ca99dd5595d1a69b453798d5ef970034608c Mon Sep 17 00:00:00 2001 From: Andras Schmelczer Date: Wed, 1 Apr 2026 21:45:45 +0100 Subject: [PATCH 12/26] Delete shouldn't move --- sync-server/src/server/delete_document.rs | 13 ++++++++----- 1 file changed, 8 insertions(+), 5 deletions(-) diff --git a/sync-server/src/server/delete_document.rs b/sync-server/src/server/delete_document.rs index 0083505e..ccfd7ebf 100644 --- a/sync-server/src/server/delete_document.rs +++ b/sync-server/src/server/delete_document.rs @@ -1,4 +1,4 @@ -use anyhow::{Context, anyhow}; +use anyhow::Context; use axum::{ Extension, Json, extract::{Path, State}, @@ -16,8 +16,8 @@ use crate::{ }, }, config::user_config::User, - errors::{SyncServerError, client_error, not_found_error, server_error, write_transaction_error}, - utils::{normalize::normalize, sanitize_path::sanitize_path}, + errors::{SyncServerError, server_error, write_transaction_error}, + utils::normalize::normalize, }; #[derive(Deserialize)] @@ -72,12 +72,15 @@ pub async fn delete_document( return Ok(Json(latest_version.clone().into())); } - let latest_content = latest_version.map_or_else(Vec::new, |version| version.content); // in case the document has never existed before deleting it + let (latest_relative_path, latest_content) = latest_version.map_or_else( + || (String::new(), Vec::new()), + |version| (version.relative_path, version.content), + ); let new_version = StoredDocumentVersion { vault_update_id: last_update_id + 1, document_id, - relative_path: sanitize_path(&request.relative_path).map_err(client_error)?, + relative_path: latest_relative_path, content: latest_content, // copy the content from the latest version updated_date: chrono::Utc::now(), is_deleted: true, From 03b5c223d6018c1b281cd15959c0b5f7f7e44f49 Mon Sep 17 00:00:00 2001 From: Andras Schmelczer Date: Wed, 1 Apr 2026 21:46:00 +0100 Subject: [PATCH 13/26] Reconcile outside of async --- sync-server/src/server/update_document.rs | 31 +++++++++++++++-------- 1 file changed, 21 insertions(+), 10 deletions(-) diff --git a/sync-server/src/server/update_document.rs b/sync-server/src/server/update_document.rs index bd6c6586..561a6e33 100644 --- a/sync-server/src/server/update_document.rs +++ b/sync-server/src/server/update_document.rs @@ -237,16 +237,27 @@ pub async fn update_document( let new_text = str::from_utf8(&content) .context("New content is not valid UTF-8") .map_err(client_error)?; - let merged = reconcile( - parent_text, - &latest_text.into(), - &new_text.into(), - &*BuiltinTokenizer::Word, - ) - .apply() - .text() - .into_bytes(); - let is_different = merged != content; + let parent_owned = parent_text.to_owned(); + let latest_owned = latest_text.to_owned(); + let new_owned = new_text.to_owned(); + let content_clone = content.clone(); + + let (merged, is_different) = tokio::task::spawn_blocking(move || { + let merged = reconcile( + &parent_owned, + &latest_owned.into(), + &new_owned.into(), + &*BuiltinTokenizer::Word, + ) + .apply() + .text() + .into_bytes(); + let is_different = merged != content_clone; + (merged, is_different) + }) + .await + .map_err(|e| server_error(anyhow::anyhow!("Reconcile task failed: {e}")))?; + (merged, is_different) } else { (content, false) // false means that the client doesn't need to refetch the file as we can ensure the remote and local versions are the same as LWW is the merging method for binary files From 19e4c39f44afdb5570867b65944b50fe2496fde5 Mon Sep 17 00:00:00 2001 From: Andras Schmelczer Date: Wed, 1 Apr 2026 21:46:29 +0100 Subject: [PATCH 14/26] Parallel clean up --- sync-server/src/app_state/database.rs | 85 +++++++++++++++++++-------- 1 file changed, 59 insertions(+), 26 deletions(-) diff --git a/sync-server/src/app_state/database.rs b/sync-server/src/app_state/database.rs index eb450c56..195dc7e7 100644 --- a/sync-server/src/app_state/database.rs +++ b/sync-server/src/app_state/database.rs @@ -1,5 +1,5 @@ use core::time::Duration; -use std::{collections::HashMap, sync::Arc}; +use std::{collections::HashMap, sync::Arc, sync::atomic::{AtomicU64, Ordering}}; use anyhow::{Context as _, Result}; use log::info; @@ -42,7 +42,8 @@ struct VaultPools { #[derive(Debug)] struct VaultPool { cell: Arc>, - last_accessed: Mutex, + /// Monotonic timestamp in milliseconds (from `Instant::now()` at server start) + last_accessed_ms: AtomicU64, } #[derive(Clone, Debug)] @@ -57,6 +58,8 @@ pub struct Database { /// This mutex moves the wait from the SQLite layer (where it holds a /// pool connection) to the Tokio layer (where it holds nothing). write_locks: Arc>>>>, + /// Monotonic epoch for lock-free `last_accessed_ms` timestamps + epoch: Instant, } /// A write transaction backed by a raw `BEGIN IMMEDIATE` instead of sqlx's @@ -171,6 +174,10 @@ fn rollback_before_acquire( } impl Database { + fn now_ms(&self) -> u64 { + self.epoch.elapsed().as_millis() as u64 + } + /// Lists all vault IDs that exist on disk (have a `.sqlite` file). pub async fn list_vaults(&self) -> Result> { let mut vaults = Vec::new(); @@ -248,7 +255,7 @@ impl Database { vault.clone(), Arc::new(VaultPool { cell, - last_accessed: Mutex::new(Instant::now()), + last_accessed_ms: AtomicU64::new(0), }), ); } @@ -259,6 +266,7 @@ impl Database { connection_pools: Arc::new(Mutex::new(connection_pools)), broadcasts: broadcasts.clone(), write_locks: Arc::new(Mutex::new(HashMap::new())), + epoch: Instant::now(), }; database.start_idle_pool_cleanup(shutdown); @@ -385,7 +393,7 @@ impl Database { .or_insert_with(|| { Arc::new(VaultPool { cell: Arc::new(OnceCell::new()), - last_accessed: Mutex::new(Instant::now()), + last_accessed_ms: AtomicU64::new(self.now_ms()), }) }) .clone() @@ -403,7 +411,7 @@ impl Database { }) .await?; - *vault_pool.last_accessed.lock().await = Instant::now(); + vault_pool.last_accessed_ms.store(self.now_ms(), Ordering::Relaxed); Ok(pools.clone()) } @@ -863,16 +871,14 @@ impl Database { // pool.close().await doesn't block other get_connection_pool calls. let idle_pools: Vec<(VaultId, Arc)> = { let mut pools = self.connection_pools.lock().await; - let now = Instant::now(); + let now_ms = self.now_ms(); + let idle_threshold_ms = IDLE_POOL_TIMEOUT.as_millis() as u64; let vaults_to_remove: Vec = pools .iter() .filter(|(_, vp)| { - // If the lock is contested, the pool is actively used — not idle. - let Ok(last) = vp.last_accessed.try_lock() else { - return false; - }; - now.duration_since(*last) > IDLE_POOL_TIMEOUT + let last = vp.last_accessed_ms.load(Ordering::Relaxed); + now_ms.saturating_sub(last) > idle_threshold_ms }) .map(|(vault_id, _)| vault_id.clone()) .collect(); @@ -883,21 +889,48 @@ impl Database { .collect() }; - for (vault_id, vault_pool) in idle_pools { - if let Some(pools) = vault_pool.cell.get() { - // Checkpoint the WAL before closing to reclaim disk space - // and ensure the next open doesn't need a large WAL replay. - // TRUNCATE mode resets the WAL file to zero bytes. - if let Err(e) = sqlx::query("PRAGMA wal_checkpoint(TRUNCATE)") - .execute(&pools.writer) - .await - { - log::warn!("WAL checkpoint failed for vault `{vault_id}`: {e}"); - } - info!("Closing idle database connection pools for vault `{vault_id}`"); - pools.reader.close().await; - pools.writer.close().await; - } + // Close pools concurrently so cleanup doesn't serialise across vaults + let closures: Vec<_> = idle_pools + .into_iter() + .filter_map(|(vault_id, vault_pool)| { + vault_pool.cell.get().cloned().map(|pools| (vault_id, pools)) + }) + .collect(); + + let handles: Vec<_> = closures + .into_iter() + .map(|(vault_id, pools)| { + tokio::spawn(async move { + // Checkpoint the WAL before closing to reclaim disk space. + // Run on the blocking pool so disk I/O doesn't starve the runtime + let writer_clone = pools.writer.clone(); + let ckpt_result = tokio::task::spawn_blocking(move || { + futures::executor::block_on( + sqlx::query("PRAGMA wal_checkpoint(TRUNCATE)") + .execute(&writer_clone), + ) + }) + .await; + + match ckpt_result { + Ok(Err(e)) => { + log::warn!("WAL checkpoint failed for vault `{vault_id}`: {e}"); + } + Err(e) => { + log::warn!("WAL checkpoint task panicked for vault `{vault_id}`: {e}"); + } + _ => {} + } + + info!("Closing idle database connection pools for vault `{vault_id}`"); + pools.reader.close().await; + pools.writer.close().await; + }) + }) + .collect(); + + for handle in handles { + let _ = handle.await; } } From 7c203bc5c9288b51c7cd320df2f60c54cd377c2c Mon Sep 17 00:00:00 2001 From: Andras Schmelczer Date: Wed, 1 Apr 2026 21:57:42 +0100 Subject: [PATCH 15/26] Fix mock client event triggering --- frontend/test-client/src/agent/mock-agent.ts | 41 ++---------- frontend/test-client/src/agent/mock-client.ts | 66 +++++++------------ 2 files changed, 29 insertions(+), 78 deletions(-) diff --git a/frontend/test-client/src/agent/mock-agent.ts b/frontend/test-client/src/agent/mock-agent.ts index 8d393a1c..308c5441 100644 --- a/frontend/test-client/src/agent/mock-agent.ts +++ b/frontend/test-client/src/agent/mock-agent.ts @@ -307,7 +307,7 @@ export class MockAgent extends MockClient { ); if (fileContent.split(content).length > 2) { if (this.useSlowFileEvents) { - logger.warn( + this.client.logger.warn( `Content ${content} (of ${this.name}) found more than once in '${file}'. File content:\n${fileContent}` ); } else { @@ -369,9 +369,8 @@ export class MockAgent extends MockClient { `Decided to create file ${file} with content ${content}` ); - return this.create(file, new TextEncoder().encode(` ${content} `), { - ignoreSlowFileEvents: true - }); + + return this.write(file, new TextEncoder().encode(` ${content} `),); } // Binary file creation — exercises the putBinary server path (not in mergeable_file_extensions) @@ -388,12 +387,10 @@ export class MockAgent extends MockClient { const { uuid, bytes } = this.getBinaryContent(); this.client.logger.info( - `Decided to create binary file ${file}` + `Decided to create binary file ${file}: ${uuid}` ); - return this.create(file, bytes, { - ignoreSlowFileEvents: true - }); + return this.write(file, bytes,); } private async disableSyncAction(): Promise { @@ -450,14 +447,6 @@ export class MockAgent extends MockClient { this.client.logger.info(`Renamed file: ${file} -> ${newName}`); await this.rename(file, newName); - this.executeFileOperation( - async () => - this.client.syncLocallyUpdatedFile({ - oldPath: file, - relativePath: newName - }), - true - ); } private async updateFileAction(): Promise { @@ -495,13 +484,6 @@ export class MockAgent extends MockClient { }) ); - this.executeFileOperation( - async () => - this.client.syncLocallyUpdatedFile({ - relativePath: file - }), - true - ); } private async updateBinaryFileAction(): Promise { @@ -530,13 +512,7 @@ export class MockAgent extends MockClient { this.doNotTouchWhileOffline.push(file); this.files.set(file, bytes); - this.executeFileOperation( - async () => - this.client.syncLocallyUpdatedFile({ - relativePath: file - }), - true - ); + } private async deleteFileAction(): Promise { @@ -554,10 +530,7 @@ export class MockAgent extends MockClient { `Deleting file: ${file} with:\n content '${new TextDecoder().decode(this.files.get(file))}'` ); await this.delete(file); - this.executeFileOperation( - async () => this.client.syncLocallyDeletedFile(file), - true - ); + } private getContent(): string { diff --git a/frontend/test-client/src/agent/mock-client.ts b/frontend/test-client/src/agent/mock-client.ts index 3cdceb04..145cecd0 100644 --- a/frontend/test-client/src/agent/mock-client.ts +++ b/frontend/test-client/src/agent/mock-client.ts @@ -40,37 +40,22 @@ export class MockClient extends debugging.InMemoryFileSystem { await this.client.start(); } - public async create( - path: RelativePath, - newContent: Uint8Array, - { ignoreSlowFileEvents }: { ignoreSlowFileEvents: boolean } = { - ignoreSlowFileEvents: false - } - ): Promise { - if (this.files.has(path)) { - throw new Error(`File ${path} already exists`); - } - this.client.logger.info( - `Creating file ${path} with content ${new TextDecoder().decode(newContent)}` - ); - this.files.set(path, newContent); + public override async write( + path: RelativePath, + content: Uint8Array + ): Promise { + this.files.set(path, content); this.executeFileOperation( - async () => this.client.syncLocallyCreatedFile(path), - ignoreSlowFileEvents + async () => this.client.syncLocallyUpdatedFile({ relativePath: path }), ); + } public override async atomicUpdateText( path: RelativePath, updater: (currentContent: TextWithCursors) => TextWithCursors ): Promise { - // This method is called by BOTH the sync client (for remote text - // merges) and the test agent (for user updates). We must NOT call - // executeFileOperation here because the sync-client path would - // echo remote writes back as local modifications, creating an - // infinite sync loop. The test agent calls executeFileOperation - // separately after this method returns. const file = this.files.get(path); if (!file) { throw new Error(`File ${path} does not exist`); @@ -80,38 +65,26 @@ export class MockClient extends debugging.InMemoryFileSystem { const newContentUint8Array = new TextEncoder().encode(newContent); this.files.set(path, newContentUint8Array); + this.executeFileOperation( + async () => this.client.syncLocallyUpdatedFile({ relativePath: path }), + ); + return newContent; } - public override async write( - path: RelativePath, - content: Uint8Array - ): Promise { - // This method is called by the sync client when writing files - // received from the server (remote updates). Do NOT call - // executeFileOperation here — that would echo the remote write - // back as a local modification, creating an infinite sync loop. - // User-initiated writes go through create(), atomicUpdateText(), - // or direct files.set() + executeFileOperation() in mock-agent. - this.files.set(path, content); - } + public override async delete(path: RelativePath): Promise { - // Just perform the filesystem operation. The test agent calls - // executeFileOperation separately in mock-agent.ts. Not echoing - // here prevents the sync client's remote-delete writes from - // triggering spurious local-delete sync operations. this.files.delete(path); + this.executeFileOperation( + async () => this.client.syncLocallyDeletedFile(path), + ); } public override async rename( oldPath: RelativePath, newPath: RelativePath ): Promise { - // Just perform the filesystem operation. The test agent calls - // executeFileOperation separately in mock-agent.ts. Not echoing - // here prevents the sync client's ensureClearPath / remote-rename - // writes from triggering spurious local-update sync operations. const file = this.files.get(oldPath); if (!file) { throw new Error(`File ${oldPath} does not exist`); @@ -120,13 +93,18 @@ export class MockClient extends debugging.InMemoryFileSystem { if (oldPath !== newPath) { this.files.delete(oldPath); } + this.executeFileOperation( + async () => this.client.syncLocallyUpdatedFile({ + oldPath, + relativePath: newPath + }), + ); } protected executeFileOperation( callback: () => unknown, - ignoreSlowFileEvents = false ): void { - if (this.useSlowFileEvents && !ignoreSlowFileEvents) { + if (this.useSlowFileEvents) { // we aren't the best client and it takes some time to notice changes setTimeout(callback, Math.random() * 100); } else { From 22dfdc069bb98627da928e5aa0167af5f50cdb6e Mon Sep 17 00:00:00 2001 From: Andras Schmelczer Date: Wed, 1 Apr 2026 21:58:57 +0100 Subject: [PATCH 16/26] Update imports --- .../sync-client/src/file-operations/filesystem-operations.ts | 2 +- .../src/file-operations/safe-filesystem-operations.ts | 2 +- frontend/sync-client/src/tracing/sync-history.ts | 2 +- .../sync-client/src/utils/data-structures/fix-sized-cache.ts | 2 +- frontend/sync-client/src/utils/data-structures/locks.test.ts | 2 +- .../sync-client/src/utils/debugging/in-memory-file-system.ts | 2 +- sync-server/src/server/create_document.rs | 2 -- 7 files changed, 6 insertions(+), 8 deletions(-) diff --git a/frontend/sync-client/src/file-operations/filesystem-operations.ts b/frontend/sync-client/src/file-operations/filesystem-operations.ts index 36dddfe6..a5fb006b 100644 --- a/frontend/sync-client/src/file-operations/filesystem-operations.ts +++ b/frontend/sync-client/src/file-operations/filesystem-operations.ts @@ -1,4 +1,4 @@ -import type { RelativePath } from "../persistence/database"; +import type { RelativePath } from "../sync-operations/types"; import type { TextWithCursors } from "reconcile-text"; diff --git a/frontend/sync-client/src/file-operations/safe-filesystem-operations.ts b/frontend/sync-client/src/file-operations/safe-filesystem-operations.ts index 3bd84266..8c297920 100644 --- a/frontend/sync-client/src/file-operations/safe-filesystem-operations.ts +++ b/frontend/sync-client/src/file-operations/safe-filesystem-operations.ts @@ -1,4 +1,4 @@ -import type { RelativePath } from "../persistence/database"; +import type { RelativePath } from "../sync-operations/types"; import type { FileSystemOperations } from "./filesystem-operations"; import type { Logger } from "../tracing/logger"; import { Locks } from "../utils/data-structures/locks"; diff --git a/frontend/sync-client/src/tracing/sync-history.ts b/frontend/sync-client/src/tracing/sync-history.ts index a0e0b348..88b699fe 100644 --- a/frontend/sync-client/src/tracing/sync-history.ts +++ b/frontend/sync-client/src/tracing/sync-history.ts @@ -2,7 +2,7 @@ import { MAX_HISTORY_ENTRY_COUNT, TIMEOUT_FOR_MERGING_HISTORY_ENTRIES_IN_SECONDS } from "../consts"; -import type { RelativePath } from "../persistence/database"; +import type { RelativePath } from "../sync-operations/types"; import type { Logger } from "./logger"; import { removeFromArray } from "../utils/remove-from-array"; import { EventListeners } from "../utils/data-structures/event-listeners"; diff --git a/frontend/sync-client/src/utils/data-structures/fix-sized-cache.ts b/frontend/sync-client/src/utils/data-structures/fix-sized-cache.ts index 51ad41c1..44a71dc8 100644 --- a/frontend/sync-client/src/utils/data-structures/fix-sized-cache.ts +++ b/frontend/sync-client/src/utils/data-structures/fix-sized-cache.ts @@ -1,6 +1,6 @@ // Implements an in-memory fixed-size cache for document contents, -import type { VaultUpdateId } from "../../persistence/database"; +import type { VaultUpdateId } from "../../sync-operations/types"; // Doubly-linked list node for O(1) LRU operations class LRUNode { diff --git a/frontend/sync-client/src/utils/data-structures/locks.test.ts b/frontend/sync-client/src/utils/data-structures/locks.test.ts index 1ea633cc..fd8894b8 100644 --- a/frontend/sync-client/src/utils/data-structures/locks.test.ts +++ b/frontend/sync-client/src/utils/data-structures/locks.test.ts @@ -1,7 +1,7 @@ import { describe, it, beforeEach } from "node:test"; import assert from "node:assert"; import { Logger } from "../../tracing/logger"; -import type { RelativePath } from "../../persistence/database"; +import type { RelativePath } from "../../sync-operations/types"; import { Locks } from "./locks"; import { awaitAll } from "../await-all"; import { sleep } from "../sleep"; diff --git a/frontend/sync-client/src/utils/debugging/in-memory-file-system.ts b/frontend/sync-client/src/utils/debugging/in-memory-file-system.ts index a2564b3e..0d26b175 100644 --- a/frontend/sync-client/src/utils/debugging/in-memory-file-system.ts +++ b/frontend/sync-client/src/utils/debugging/in-memory-file-system.ts @@ -1,4 +1,4 @@ -import type { RelativePath } from "../../persistence/database"; +import type { RelativePath } from "../../sync-operations/types"; import type { TextWithCursors } from "reconcile-text"; import type { FileSystemOperations } from "../../file-operations/filesystem-operations"; diff --git a/sync-server/src/server/create_document.rs b/sync-server/src/server/create_document.rs index 39560ef8..3b073a88 100644 --- a/sync-server/src/server/create_document.rs +++ b/sync-server/src/server/create_document.rs @@ -1,4 +1,3 @@ -use anyhow::Context as _; use axum::{ Extension, Json, extract::{Path, State}, @@ -6,7 +5,6 @@ use axum::{ use axum_extra::TypedHeader; use axum_typed_multipart::TypedMultipart; use log::{debug, info}; -use reconcile_text::{BuiltinTokenizer, reconcile}; use serde::Deserialize; use super::{device_id_header::DeviceIdHeader, requests::CreateDocumentVersion}; From 0897f7a545906e64e5bc734faf91d7a26b79cfdb Mon Sep 17 00:00:00 2001 From: Andras Schmelczer Date: Wed, 1 Apr 2026 22:29:57 +0100 Subject: [PATCH 17/26] Make hash async --- frontend/sync-client/src/utils/find-matching-file.ts | 12 ++++++------ frontend/sync-client/src/utils/hash.ts | 8 ++++++-- 2 files changed, 12 insertions(+), 8 deletions(-) diff --git a/frontend/sync-client/src/utils/find-matching-file.ts b/frontend/sync-client/src/utils/find-matching-file.ts index c3d323d3..67b89876 100644 --- a/frontend/sync-client/src/utils/find-matching-file.ts +++ b/frontend/sync-client/src/utils/find-matching-file.ts @@ -1,14 +1,14 @@ -import type { DocumentRecord } from "../persistence/database"; +import type { DocumentRecord, RelativePath } from "../sync-operations/types"; import { EMPTY_HASH } from "./hash"; // TODO: make this smarter so that offline files can be renamed & edited at the same time -export function findMatchingFile( +export async function findMatchingFile( contentHash: string, - candidates: DocumentRecord[] -): DocumentRecord | undefined { - if (contentHash === EMPTY_HASH) { + candidates: { path: RelativePath; record: DocumentRecord }[] +): Promise<{ path: RelativePath; record: DocumentRecord } | undefined> { + if (contentHash === await EMPTY_HASH) { return undefined; } - return candidates.find(({ metadata }) => metadata?.hash === contentHash); + return candidates.find(({ record }) => record.hash === contentHash); } diff --git a/frontend/sync-client/src/utils/hash.ts b/frontend/sync-client/src/utils/hash.ts index 814faefa..933929c5 100644 --- a/frontend/sync-client/src/utils/hash.ts +++ b/frontend/sync-client/src/utils/hash.ts @@ -1,7 +1,11 @@ export async function hash(content: Uint8Array): Promise { - const digest = await crypto.subtle.digest("SHA-256", content); + const digest = await crypto.subtle.digest( + "SHA-256", + content as Uint8Array + ); const bytes = new Uint8Array(digest); return Array.from(bytes, (b) => b.toString(16).padStart(2, "0")).join(""); } -export const EMPTY_HASH = await hash(new Uint8Array(0)); +// SHA-256 of empty content, computed once at import time +export const EMPTY_HASH: Promise = hash(new Uint8Array()); From 37844185674e5bd7dafca59db48da6f75a56894f Mon Sep 17 00:00:00 2001 From: Andras Schmelczer Date: Wed, 1 Apr 2026 22:36:22 +0100 Subject: [PATCH 18/26] Fix testing setup --- frontend/deterministic-tests/README.md | 3 + frontend/deterministic-tests/src/consts.ts | 2 +- .../src/deterministic-agent.ts | 121 ++++--------- .../src/managed-websocket.ts | 170 ++++++++++++++++++ .../deterministic-tests/src/server-control.ts | 4 +- .../src/test-definition.ts | 4 +- .../deterministic-tests/src/test-registry.ts | 2 + .../deterministic-tests/src/test-runner.ts | 30 ++-- frontend/test-client/src/agent/mock-agent.ts | 15 +- frontend/test-client/src/agent/mock-client.ts | 22 ++- frontend/test-client/src/cli.ts | 12 +- 11 files changed, 266 insertions(+), 119 deletions(-) create mode 100644 frontend/deterministic-tests/src/managed-websocket.ts diff --git a/frontend/deterministic-tests/README.md b/frontend/deterministic-tests/README.md index 5c835326..678cd0fe 100644 --- a/frontend/deterministic-tests/README.md +++ b/frontend/deterministic-tests/README.md @@ -24,6 +24,9 @@ Clients always start with syncing disabled. - `barrier` — retry until all clients converge to identical file state (60s timeout) - `enable-sync` / `disable-sync` — simulate going online/offline +**WebSocket control** (per-client): +- `pause-websocket` / `resume-websocket` — buffer/release WebSocket messages for a specific client + **Server control:** - `pause-server` / `resume-server` — SIGSTOP/SIGCONT the server process diff --git a/frontend/deterministic-tests/src/consts.ts b/frontend/deterministic-tests/src/consts.ts index 32c03efa..a04c9b61 100644 --- a/frontend/deterministic-tests/src/consts.ts +++ b/frontend/deterministic-tests/src/consts.ts @@ -6,7 +6,7 @@ export const STOP_TIMEOUT_MS = 5_000; export const CONVERGENCE_TIMEOUT_MS = 60_000; export const CONVERGENCE_RETRY_DELAY_MS = 500; export const AGENT_INIT_TIMEOUT_MS = 30_000; -export const IS_SYNC_ENABLED_DEFAULT = false; +export const IS_SYNC_ENABLED_BY_DEFAULT = false; export const WAIT_TIMEOUT_MS = 60_000; export const WEBSOCKET_CONNECT_TIMEOUT_MS = 10_000; diff --git a/frontend/deterministic-tests/src/deterministic-agent.ts b/frontend/deterministic-tests/src/deterministic-agent.ts index 136d5ed8..00020908 100644 --- a/frontend/deterministic-tests/src/deterministic-agent.ts +++ b/frontend/deterministic-tests/src/deterministic-agent.ts @@ -3,7 +3,8 @@ import { SyncClient, debugging, LogLevel } from "sync-client"; import { assert } from "./utils/assert"; import { sleep } from "./utils/sleep"; import { withTimeout } from "./utils/with-timeout"; -import { IS_SYNC_ENABLED_DEFAULT, WAIT_TIMEOUT_MS, WEBSOCKET_CONNECT_TIMEOUT_MS, WEBSOCKET_POLL_INTERVAL_MS } from "./consts"; +import { IS_SYNC_ENABLED_BY_DEFAULT, WAIT_TIMEOUT_MS, WEBSOCKET_CONNECT_TIMEOUT_MS, WEBSOCKET_POLL_INTERVAL_MS } from "./consts"; +import { ManagedWebSocketFactory } from "./managed-websocket"; @@ -15,9 +16,10 @@ export class DeterministicAgent extends debugging.InMemoryFileSystem { settings: Partial; database: Partial; }> = {}; - private isSyncEnabled = IS_SYNC_ENABLED_DEFAULT; + private isSyncEnabled = IS_SYNC_ENABLED_BY_DEFAULT; private readonly syncErrors: Error[] = []; private readonly pendingSyncOperations = new Set>(); + private readonly wsFactory = new ManagedWebSocketFactory(); public constructor( clientId: number, @@ -32,7 +34,6 @@ export class DeterministicAgent extends debugging.InMemoryFileSystem { public async init( fetchImplementation: typeof globalThis.fetch, - webSocketImplementation: typeof globalThis.WebSocket ): Promise { this.client = await SyncClient.create({ fs: this, @@ -41,7 +42,7 @@ export class DeterministicAgent extends debugging.InMemoryFileSystem { save: async (data) => void (this.data = data) }, fetch: fetchImplementation, - webSocket: webSocketImplementation + webSocket: this.wsFactory.constructorFn }); this.client.logger.onLogEmitted.add((line) => { @@ -75,68 +76,14 @@ export class DeterministicAgent extends debugging.InMemoryFileSystem { } } - public async createFile(path: string, content: string): Promise { - this.log(`Creating file ${path} with content: ${content}`); - if (this.files.has(path)) { - throw new Error(`File ${path} already exists`); - } - const contentBytes = new TextEncoder().encode(content); - this.files.set(path, contentBytes); - - if (this.isSyncEnabled) { - this.enqueueSync(async () => - this.client.syncLocallyCreatedFile(path) - ); - } + public pauseWebSocket(): void { + this.log("Pausing WebSocket message delivery"); + this.wsFactory.pause(); } - public async updateFile(path: string, content: string): Promise { - this.log(`Updating file ${path} with content: ${content}`); - if (!this.files.has(path)) { - throw new Error( - `File ${path} does not exist on client ${this.clientId}` - ); - } - const contentBytes = new TextEncoder().encode(content); - this.files.set(path, contentBytes); - - if (this.isSyncEnabled) { - this.enqueueSync(async () => - this.client.syncLocallyUpdatedFile({ relativePath: path }) - ); - } - } - - public async renameFile(oldPath: string, newPath: string): Promise { - this.log(`Renaming file ${oldPath} to ${newPath}`); - const file = this.files.get(oldPath); - if (!file) { - throw new Error( - `File ${oldPath} does not exist on client ${this.clientId}` - ); - } - this.files.set(newPath, file); - if (oldPath !== newPath) { - this.files.delete(oldPath); - } - if (this.isSyncEnabled) { - this.enqueueSync(async () => - this.client.syncLocallyUpdatedFile({ - oldPath, - relativePath: newPath - }) - ); - } - } - - public async deleteFile(path: string): Promise { - this.log(`Deleting file ${path}`); - this.files.delete(path); - if (this.isSyncEnabled) { - this.enqueueSync(async () => - this.client.syncLocallyDeletedFile(path) - ); - } + public resumeWebSocket(): void { + this.log("Resuming WebSocket message delivery"); + this.wsFactory.resume(); } public async waitForSync(): Promise { @@ -191,9 +138,6 @@ export class DeterministicAgent extends debugging.InMemoryFileSystem { await this.waitForWebSocket(); } - public async getFiles(): Promise { - return this.listFilesRecursively(); - } public async getFileContent(path: string): Promise { const bytes = await this.read(path); @@ -226,10 +170,6 @@ export class DeterministicAgent extends debugging.InMemoryFileSystem { this.log("Cleanup complete"); } - // Yield the event loop before each FS operation so that the SyncClient's - // async calls create real interleaving points, matching the behavior of - // actual disk I/O. Without this, all FS operations resolve in the same - // microtask, hiding concurrency bugs that only manifest with real latency. public override async read(path: RelativePath): Promise { await Promise.resolve(); return super.read(path); @@ -240,33 +180,50 @@ export class DeterministicAgent extends debugging.InMemoryFileSystem { content: Uint8Array ): Promise { await Promise.resolve(); - return super.write(path, content); + const isNew = !this.files.has(path); + await super.write(path, content); + + if (isNew) { + this.enqueueSync(async () => this.client.syncLocallyCreatedFile(path) + ); + } else { + this.enqueueSync(async () => this.client.syncLocallyUpdatedFile({ relativePath: path }) + ); + } } public override async atomicUpdateText( path: RelativePath, updater: (current: TextWithCursors) => TextWithCursors ): Promise { - await Promise.resolve(); - return super.atomicUpdateText(path, updater); + const result = await super.atomicUpdateText(path, updater); + this.enqueueSync(async () => this.client.syncLocallyUpdatedFile({ relativePath: path }) + ); + return result; + } - public override async exists(path: RelativePath): Promise { - await Promise.resolve(); - return super.exists(path); - } public override async delete(path: RelativePath): Promise { - await Promise.resolve(); - return super.delete(path); + await super.delete(path); + if (this.isSyncEnabled) { + this.enqueueSync(async () => { this.client.syncLocallyDeletedFile(path); } + ); + } } public override async rename( oldPath: RelativePath, newPath: RelativePath ): Promise { - await Promise.resolve(); - return super.rename(oldPath, newPath); + await super.rename(oldPath, newPath); + this.enqueueSync(async () => { + this.client.syncLocallyUpdatedFile({ + oldPath, + relativePath: newPath + }); + } + ); } private async waitForWebSocket(): Promise { diff --git a/frontend/deterministic-tests/src/managed-websocket.ts b/frontend/deterministic-tests/src/managed-websocket.ts new file mode 100644 index 00000000..c09b44d7 --- /dev/null +++ b/frontend/deterministic-tests/src/managed-websocket.ts @@ -0,0 +1,170 @@ +/** + * A WebSocket wrapper that can pause and resume message delivery. + * When paused, incoming messages are buffered. When resumed, buffered + * messages are delivered in order via the onmessage handler. + */ +export class ManagedWebSocket implements WebSocket { + private readonly ws: WebSocket; + private paused = false; + private readonly bufferedMessages: MessageEvent[] = []; + private externalOnMessage: ((event: MessageEvent) => unknown) | null = null; + + public constructor(url: string | URL, protocols?: string | string[]) { + this.ws = new WebSocket(url, protocols); + + this.ws.onmessage = (event: MessageEvent): void => { + if (this.paused) { + this.bufferedMessages.push(event); + } else { + this.externalOnMessage?.(event); + } + }; + } + + public pause(): void { + this.paused = true; + } + + public resume(): void { + this.paused = false; + const messages = this.bufferedMessages.splice(0); + for (const msg of messages) { + this.externalOnMessage?.(msg); + } + } + + get readyState(): number { + return this.ws.readyState; + } + + get url(): string { + return this.ws.url; + } + + get protocol(): string { + return this.ws.protocol; + } + + get extensions(): string { + return this.ws.extensions; + } + + get bufferedAmount(): number { + return this.ws.bufferedAmount; + } + + get binaryType(): BinaryType { + return this.ws.binaryType; + } + + set binaryType(value: BinaryType) { + this.ws.binaryType = value; + } + + get onopen(): ((this: WebSocket, ev: Event) => unknown) | null { + return this.ws.onopen; + } + + set onopen(handler: ((this: WebSocket, ev: Event) => unknown) | null) { + this.ws.onopen = handler; + } + + get onclose(): ((this: WebSocket, ev: CloseEvent) => unknown) | null { + return this.ws.onclose; + } + + set onclose(handler: ((this: WebSocket, ev: CloseEvent) => unknown) | null) { + this.ws.onclose = handler; + } + + get onerror(): ((this: WebSocket, ev: Event) => unknown) | null { + return this.ws.onerror; + } + + set onerror(handler: ((this: WebSocket, ev: Event) => unknown) | null) { + this.ws.onerror = handler; + } + + get onmessage(): ((this: WebSocket, ev: MessageEvent) => unknown) | null { + return this.externalOnMessage; + } + + set onmessage( + handler: ((this: WebSocket, ev: MessageEvent) => unknown) | null + ) { + this.externalOnMessage = handler; + } + + public send(data: string | ArrayBufferLike | Blob | ArrayBufferView): void { + this.ws.send(data); + } + + public close(code?: number, reason?: string): void { + this.ws.close(code, reason); + } + + public addEventListener( + ...args: Parameters + ): void { + this.ws.addEventListener(...args); + } + + public removeEventListener( + ...args: Parameters + ): void { + this.ws.removeEventListener(...args); + } + + public dispatchEvent(event: Event): boolean { + return this.ws.dispatchEvent(event); + } + + static readonly CONNECTING = WebSocket.CONNECTING; + static readonly OPEN = WebSocket.OPEN; + static readonly CLOSING = WebSocket.CLOSING; + static readonly CLOSED = WebSocket.CLOSED; + + readonly CONNECTING = WebSocket.CONNECTING; + readonly OPEN = WebSocket.OPEN; + readonly CLOSING = WebSocket.CLOSING; + readonly CLOSED = WebSocket.CLOSED; +} + +/** + * Factory that creates ManagedWebSocket instances and tracks them + * for pause/resume control from the test harness + */ +export class ManagedWebSocketFactory { + private readonly instances: ManagedWebSocket[] = []; + + public get constructorFn(): typeof globalThis.WebSocket { + const factory = this; + const ctor = function ManagedWS( + url: string | URL, + protocols?: string | string[] + ): ManagedWebSocket { + const ws = new ManagedWebSocket(url, protocols); + factory.instances.push(ws); + return ws; + } as unknown as typeof globalThis.WebSocket; + + Object.defineProperty(ctor, "CONNECTING", { value: WebSocket.CONNECTING }); + Object.defineProperty(ctor, "OPEN", { value: WebSocket.OPEN }); + Object.defineProperty(ctor, "CLOSING", { value: WebSocket.CLOSING }); + Object.defineProperty(ctor, "CLOSED", { value: WebSocket.CLOSED }); + + return ctor; + } + + public pause(): void { + for (const ws of this.instances) { + ws.pause(); + } + } + + public resume(): void { + for (const ws of this.instances) { + ws.resume(); + } + } +} diff --git a/frontend/deterministic-tests/src/server-control.ts b/frontend/deterministic-tests/src/server-control.ts index c2d353db..de0dbe4b 100644 --- a/frontend/deterministic-tests/src/server-control.ts +++ b/frontend/deterministic-tests/src/server-control.ts @@ -40,8 +40,10 @@ export class ServerControl { const reservation = await findFreePort(); this._port = reservation.port; + // Prefer tmpfs (/host/tmp) over disk-backed /tmp for faster SQLite I/O + const tmpBase = fs.existsSync("/host/tmp") ? "/host/tmp" : os.tmpdir(); this.tempDir = fs.mkdtempSync( - path.join(os.tmpdir(), "vault-link-test-") + path.join(tmpBase, "vault-link-test-") ); const tempConfigPath = path.join(this.tempDir, "config.yml"); const dbDir = path.join(this.tempDir, "databases"); diff --git a/frontend/deterministic-tests/src/test-definition.ts b/frontend/deterministic-tests/src/test-definition.ts index f8dac1fe..826c6014 100644 --- a/frontend/deterministic-tests/src/test-definition.ts +++ b/frontend/deterministic-tests/src/test-definition.ts @@ -16,7 +16,9 @@ export type TestStep = | { type: "pause-server" } | { type: "resume-server" } | { type: "barrier" } - | { type: "assert-consistent"; verify?: (state: AssertableState) => void }; + | { type: "assert-consistent"; verify?: (state: AssertableState) => void } + | { type: "pause-websocket"; client: number } + | { type: "resume-websocket"; client: number }; export interface TestDefinition { description?: string; diff --git a/frontend/deterministic-tests/src/test-registry.ts b/frontend/deterministic-tests/src/test-registry.ts index 0785926b..35a00c9c 100644 --- a/frontend/deterministic-tests/src/test-registry.ts +++ b/frontend/deterministic-tests/src/test-registry.ts @@ -65,6 +65,7 @@ import { createRenameResponseSkipsFileTest } from "./tests/create-rename-respons import { onlineCreateRenameConcurrentCreateOrphanTest } from "./tests/online-create-rename-concurrent-create-orphan.test"; import { concurrentRenameFirstWinsTest } from "./tests/concurrent-rename-first-wins.test"; import { binaryToTextTransitionTest } from "./tests/binary-to-text-transition.test"; +import { updateThenRenameContentLostTest } from "./tests/update-then-rename-content-lost.test"; export const TESTS: Partial> = { "rename-create-conflict": renameCreateConflictTest, @@ -133,4 +134,5 @@ export const TESTS: Partial> = { "online-create-rename-concurrent-create-orphan": onlineCreateRenameConcurrentCreateOrphanTest, "concurrent-rename-first-wins": concurrentRenameFirstWinsTest, "binary-to-text-transition": binaryToTextTransitionTest, + "update-then-rename-content-lost": updateThenRenameContentLostTest, }; diff --git a/frontend/deterministic-tests/src/test-runner.ts b/frontend/deterministic-tests/src/test-runner.ts index 05ac1611..2d469fa2 100644 --- a/frontend/deterministic-tests/src/test-runner.ts +++ b/frontend/deterministic-tests/src/test-runner.ts @@ -14,7 +14,7 @@ import { CONVERGENCE_TIMEOUT_MS, CONVERGENCE_RETRY_DELAY_MS, AGENT_INIT_TIMEOUT_MS, - IS_SYNC_ENABLED_DEFAULT + IS_SYNC_ENABLED_BY_DEFAULT } from "./consts"; import { randomUUID } from "node:crypto"; @@ -100,7 +100,7 @@ export class TestRunner { for (let i = 0; i < count; i++) { const settings: Partial = { - isSyncEnabled: IS_SYNC_ENABLED_DEFAULT, + isSyncEnabled: IS_SYNC_ENABLED_BY_DEFAULT, token: this.token, vaultName, remoteUri: this.remoteUri @@ -115,8 +115,6 @@ export class TestRunner { await withTimeout( agent.init( fetch, - // eslint-disable-next-line @typescript-eslint/no-unsafe-type-assertion - WebSocket as unknown as typeof globalThis.WebSocket ), AGENT_INIT_TIMEOUT_MS, `Client ${i} init timed out after ${AGENT_INIT_TIMEOUT_MS}ms` @@ -138,28 +136,22 @@ export class TestRunner { private async executeStep(step: TestStep): Promise { switch (step.type) { case "create": - await this.getAgent(step.client).createFile( - step.path, - step.content - ); - break; - case "update": - await this.getAgent(step.client).updateFile( + await this.getAgent(step.client).write( step.path, - step.content + new TextEncoder().encode(step.content) ); break; case "rename": - await this.getAgent(step.client).renameFile( + await this.getAgent(step.client).rename( step.oldPath, step.newPath ); break; case "delete": - await this.getAgent(step.client).deleteFile(step.path); + await this.getAgent(step.client).delete(step.path); break; case "sync": @@ -199,6 +191,14 @@ export class TestRunner { await this.assertConsistent(step.verify); break; + case "pause-websocket": + this.getAgent(step.client).pauseWebSocket(); + break; + + case "resume-websocket": + this.getAgent(step.client).resumeWebSocket(); + break; + default: { const unknownStep = step as { type: string }; throw new Error(`Unknown step type: ${unknownStep.type}`); @@ -282,7 +282,7 @@ export class TestRunner { // where background sync could mutate state between reads. const clientFiles: Map[] = []; for (const agent of this.agents) { - const sortedFiles = (await agent.getFiles()).sort(); + const sortedFiles = (await agent.listFilesRecursively()).sort(); const fileMap = new Map(); for (const file of sortedFiles) { const content = await agent.getFileContent(file); diff --git a/frontend/test-client/src/agent/mock-agent.ts b/frontend/test-client/src/agent/mock-agent.ts index 308c5441..1422ac23 100644 --- a/frontend/test-client/src/agent/mock-agent.ts +++ b/frontend/test-client/src/agent/mock-agent.ts @@ -333,16 +333,19 @@ export class MockAgent extends MockClient { .includes(content); }); - if ( - !this.useSlowFileEvents - - ) { + if (!this.useSlowFileEvents) { assert( found.length <= 1, `[${this.name}] Binary content ${content} found in multiple files: ${found.join(", ")}` ); } + if (!this.useSlowFileEvents && !this.doDeletes) { + assert( + found.length >= 1, + `[${this.name}] Binary content ${content} not found in any files` + ); + } } } @@ -510,9 +513,7 @@ export class MockAgent extends MockClient { `Decided to update binary file ${file}` ); this.doNotTouchWhileOffline.push(file); - this.files.set(file, bytes); - - + await this.write(file, bytes); } private async deleteFileAction(): Promise { diff --git a/frontend/test-client/src/agent/mock-client.ts b/frontend/test-client/src/agent/mock-client.ts index 145cecd0..5d816aa4 100644 --- a/frontend/test-client/src/agent/mock-client.ts +++ b/frontend/test-client/src/agent/mock-client.ts @@ -45,10 +45,18 @@ export class MockClient extends debugging.InMemoryFileSystem { path: RelativePath, content: Uint8Array ): Promise { + const isNew = !this.files.has(path); + this.files.set(path, content); - this.executeFileOperation( - async () => this.client.syncLocallyUpdatedFile({ relativePath: path }), - ); + + if (isNew) { + this.executeFileOperation(async () => { this.client.syncLocallyCreatedFile(path); } + ); + } else { + this.executeFileOperation( + async () => { this.client.syncLocallyUpdatedFile({ relativePath: path }); }, + ); + } } @@ -66,7 +74,7 @@ export class MockClient extends debugging.InMemoryFileSystem { this.files.set(path, newContentUint8Array); this.executeFileOperation( - async () => this.client.syncLocallyUpdatedFile({ relativePath: path }), + async () => { this.client.syncLocallyUpdatedFile({ relativePath: path }); }, ); return newContent; @@ -77,7 +85,7 @@ export class MockClient extends debugging.InMemoryFileSystem { public override async delete(path: RelativePath): Promise { this.files.delete(path); this.executeFileOperation( - async () => this.client.syncLocallyDeletedFile(path), + async () => { this.client.syncLocallyDeletedFile(path); }, ); } @@ -94,10 +102,10 @@ export class MockClient extends debugging.InMemoryFileSystem { this.files.delete(oldPath); } this.executeFileOperation( - async () => this.client.syncLocallyUpdatedFile({ + async () => { this.client.syncLocallyUpdatedFile({ oldPath, relativePath: newPath - }), + }); }, ); } diff --git a/frontend/test-client/src/cli.ts b/frontend/test-client/src/cli.ts index 28684dc2..0fcd975b 100644 --- a/frontend/test-client/src/cli.ts +++ b/frontend/test-client/src/cli.ts @@ -104,11 +104,8 @@ async function runTest({ } } - // Settling rounds to drain cascading broadcasts between agents. - // Completing work on agent A can trigger broadcasts to agent B, - // which can cascade further. With N agents the worst case is N - // hops, so N+1 passes guarantees all cascades are drained. - for (let round = 0; round <= clients.length; round++) { + // Settling rounds: drain cascading broadcasts between agents + for (let round = 0; round < 10; round++) { for (const client of clients) { try { await client.waitUntilSynced(); @@ -118,8 +115,13 @@ async function runTest({ } } } + // TODO: it's very ugly, let's remove this + await sleep(2000); } + + + for (const client of clients) { try { logger.info(`Destroying ${client.name}`); From 64ca5a82ef4ecdd89fa48992c0516755da9a57a4 Mon Sep 17 00:00:00 2001 From: Andras Schmelczer Date: Mon, 6 Apr 2026 11:17:18 +0100 Subject: [PATCH 19/26] Fix lints --- frontend/history-ui/src/lib/types/index.ts | 2 + frontend/local-client-cli/src/file-watcher.ts | 38 ++++--------------- .../obsidian-plugin/src/vault-link-plugin.ts | 4 +- .../src/errors/http-client-error.ts | 9 +++++ frontend/sync-client/src/index.ts | 2 +- .../src/services/fetch-controller.ts | 13 +++---- .../sync-operations/file-change-notifier.ts | 2 +- 7 files changed, 27 insertions(+), 43 deletions(-) create mode 100644 frontend/sync-client/src/errors/http-client-error.ts diff --git a/frontend/history-ui/src/lib/types/index.ts b/frontend/history-ui/src/lib/types/index.ts index 6377ebda..a2c2b346 100644 --- a/frontend/history-ui/src/lib/types/index.ts +++ b/frontend/history-ui/src/lib/types/index.ts @@ -1,7 +1,9 @@ export type { DocumentVersion } from "./DocumentVersion"; export type { DocumentVersionWithoutContent } from "./DocumentVersionWithoutContent"; export type { FetchLatestDocumentsResponse } from "./FetchLatestDocumentsResponse"; +export type { ListVaultsResponse } from "./ListVaultsResponse"; export type { PingResponse } from "./PingResponse"; +export type { VaultInfo } from "./VaultInfo"; export type { VaultHistoryResponse } from "./VaultHistoryResponse"; export type ActionType = diff --git a/frontend/local-client-cli/src/file-watcher.ts b/frontend/local-client-cli/src/file-watcher.ts index 16f397c5..2e70df02 100644 --- a/frontend/local-client-cli/src/file-watcher.ts +++ b/frontend/local-client-cli/src/file-watcher.ts @@ -69,47 +69,23 @@ export class FileWatcher { } private handleCreate(relativePath: RelativePath): void { - this.client - .syncLocallyCreatedFile(relativePath) - .catch((err: unknown) => { - this.client.logger.error( - `Failed to sync created file ${relativePath}: ${this.formatError(err)}` - ); - }); + this.client.syncLocallyCreatedFile(relativePath); } private handleChange(relativePath: RelativePath): void { - this.client - .syncLocallyUpdatedFile({ relativePath }) - .catch((err: unknown) => { - this.client.logger.error( - `Failed to sync updated file ${relativePath}: ${this.formatError(err)}` - ); - }); + this.client.syncLocallyUpdatedFile({ relativePath }); } private handleDelete(relativePath: RelativePath): void { - this.client - .syncLocallyDeletedFile(relativePath) - .catch((err: unknown) => { - this.client.logger.error( - `Failed to sync deleted file ${relativePath}: ${this.formatError(err)}` - ); - }); + this.client.syncLocallyDeletedFile(relativePath); } private handleRename(oldPath: RelativePath, newPath: RelativePath): void { this.client.logger.info(`File renamed: ${oldPath} -> ${newPath}`); - this.client - .syncLocallyUpdatedFile({ - oldPath, - relativePath: newPath - }) - .catch((err: unknown) => { - this.client.logger.error( - `Failed to sync renamed file ${oldPath} -> ${newPath}: ${this.formatError(err)}` - ); - }); + this.client.syncLocallyUpdatedFile({ + oldPath, + relativePath: newPath + }); } private toRelativePath(absolutePath: string): RelativePath { diff --git a/frontend/obsidian-plugin/src/vault-link-plugin.ts b/frontend/obsidian-plugin/src/vault-link-plugin.ts index 9ad4d2a1..0291e646 100644 --- a/frontend/obsidian-plugin/src/vault-link-plugin.ts +++ b/frontend/obsidian-plugin/src/vault-link-plugin.ts @@ -269,9 +269,9 @@ export default class VaultLinkPlugin extends Plugin { path, rateLimit( async () => - client.syncLocallyUpdatedFile({ + { client.syncLocallyUpdatedFile({ relativePath: path - }), + }); }, MIN_WAIT_BETWEEN_UPDATES_IN_MS ) ); diff --git a/frontend/sync-client/src/errors/http-client-error.ts b/frontend/sync-client/src/errors/http-client-error.ts new file mode 100644 index 00000000..2475cf35 --- /dev/null +++ b/frontend/sync-client/src/errors/http-client-error.ts @@ -0,0 +1,9 @@ +export class HttpClientError extends Error { + public constructor( + public readonly statusCode: number, + message: string + ) { + super(message); + this.name = "HttpClientError"; + } +} diff --git a/frontend/sync-client/src/index.ts b/frontend/sync-client/src/index.ts index c4e4313d..da69f446 100644 --- a/frontend/sync-client/src/index.ts +++ b/frontend/sync-client/src/index.ts @@ -22,7 +22,7 @@ export { export { Logger, LogLevel, LogLine } from "./tracing/logger"; export { type SyncSettings, DEFAULT_SETTINGS } from "./persistence/settings"; export { rateLimit } from "./utils/rate-limit"; -export type { RelativePath, StoredDatabase } from "./persistence/database"; +export type { RelativePath, StoredSyncState as StoredDatabase, DocumentRecord } from "./sync-operations/types"; export type { FileSystemOperations } from "./file-operations/filesystem-operations"; export type { PersistenceProvider } from "./persistence/persistence"; export type { CursorSpan } from "./services/types/CursorSpan"; diff --git a/frontend/sync-client/src/services/fetch-controller.ts b/frontend/sync-client/src/services/fetch-controller.ts index e30739da..cf857dcd 100644 --- a/frontend/sync-client/src/services/fetch-controller.ts +++ b/frontend/sync-client/src/services/fetch-controller.ts @@ -1,5 +1,4 @@ import type { Logger } from "../tracing/logger"; -import { createPromise } from "../utils/create-promise"; import { SyncResetError } from "../errors/sync-reset-error"; /** @@ -13,15 +12,14 @@ export class FetchController { // Promise resolves on the next state change: sync enabled/disabled or reset started/ended private until: Promise; - private resolveUntil: (result: symbol) => unknown; - private rejectUntil: (reason: unknown) => unknown; + private resolveUntil: (value: symbol | PromiseLike) => void; + private rejectUntil: (reason?: unknown) => void; public constructor( private _canFetch: boolean, private readonly logger: Logger ) { - [this.until, this.resolveUntil, this.rejectUntil] = - createPromise(); + ({ promise: this.until, resolve: this.resolveUntil, reject: this.rejectUntil } = Promise.withResolvers()); } /** @@ -42,8 +40,7 @@ export class FetchController { if (!this.isResetting) { const previousResolve = this.resolveUntil; - [this.until, this.resolveUntil, this.rejectUntil] = - createPromise(); + ({ promise: this.until, resolve: this.resolveUntil, reject: this.rejectUntil } = Promise.withResolvers()); previousResolve(FetchController.UNTIL_RESOLUTION); } } @@ -81,7 +78,7 @@ export class FetchController { } this.isResetting = false; - [this.until, this.resolveUntil, this.rejectUntil] = createPromise(); + ({ promise: this.until, resolve: this.resolveUntil, reject: this.rejectUntil } = Promise.withResolvers()); } /** diff --git a/frontend/sync-client/src/sync-operations/file-change-notifier.ts b/frontend/sync-client/src/sync-operations/file-change-notifier.ts index d1e49d62..414c9e91 100644 --- a/frontend/sync-client/src/sync-operations/file-change-notifier.ts +++ b/frontend/sync-client/src/sync-operations/file-change-notifier.ts @@ -1,4 +1,4 @@ -import type { RelativePath } from "../persistence/database"; +import type { RelativePath } from "./types"; import { EventListeners } from "../utils/data-structures/event-listeners"; export class FileChangeNotifier { From 0e3e5a99cd395d55aef9239475d76d4dced5f58a Mon Sep 17 00:00:00 2001 From: Andras Schmelczer Date: Mon, 6 Apr 2026 13:01:34 +0100 Subject: [PATCH 20/26] Update tests --- .../src/deterministic-agent.ts | 6 +- .../deterministic-tests/src/test-registry.ts | 58 +++++++++++++++++-- ...-text-pending-create-not-displaced.test.ts | 6 +- .../tests/binary-to-text-transition.test.ts | 22 +++---- .../delete-recreate-different-content.test.ts | 2 +- ...ocal-edit-lost-during-create-merge.test.ts | 31 +++++----- .../offline-delete-remote-rename.test.ts | 8 +-- ...e-both-create-same-path-deconflict.test.ts | 33 +++++++++++ ...date-while-other-creates-same-path.test.ts | 29 ++++++++++ ...e-reset-loses-coalesced-local-edit.test.ts | 18 +++--- .../rapid-create-update-delete-cycle.test.ts | 5 +- ...ently-deleted-cleared-on-reconnect.test.ts | 9 +-- .../src/tests/rename-circular.test.ts | 3 +- .../src/tests/rename-swap.test.ts | 7 +-- ...name-to-path-of-unconfirmed-delete.test.ts | 16 +++-- .../three-client-rename-create-delete.test.ts | 6 +- .../update-survives-remote-delete.test.ts | 10 +--- 17 files changed, 181 insertions(+), 88 deletions(-) create mode 100644 frontend/deterministic-tests/src/tests/online-both-create-same-path-deconflict.test.ts create mode 100644 frontend/deterministic-tests/src/tests/online-create-update-while-other-creates-same-path.test.ts diff --git a/frontend/deterministic-tests/src/deterministic-agent.ts b/frontend/deterministic-tests/src/deterministic-agent.ts index 00020908..71f6a272 100644 --- a/frontend/deterministic-tests/src/deterministic-agent.ts +++ b/frontend/deterministic-tests/src/deterministic-agent.ts @@ -184,10 +184,10 @@ export class DeterministicAgent extends debugging.InMemoryFileSystem { await super.write(path, content); if (isNew) { - this.enqueueSync(async () => this.client.syncLocallyCreatedFile(path) + this.enqueueSync(async () => { this.client.syncLocallyCreatedFile(path); } ); } else { - this.enqueueSync(async () => this.client.syncLocallyUpdatedFile({ relativePath: path }) + this.enqueueSync(async () => { this.client.syncLocallyUpdatedFile({ relativePath: path }); } ); } } @@ -197,7 +197,7 @@ export class DeterministicAgent extends debugging.InMemoryFileSystem { updater: (current: TextWithCursors) => TextWithCursors ): Promise { const result = await super.atomicUpdateText(path, updater); - this.enqueueSync(async () => this.client.syncLocallyUpdatedFile({ relativePath: path }) + this.enqueueSync(async () => { this.client.syncLocallyUpdatedFile({ relativePath: path }); } ); return result; diff --git a/frontend/deterministic-tests/src/test-registry.ts b/frontend/deterministic-tests/src/test-registry.ts index 35a00c9c..b4936003 100644 --- a/frontend/deterministic-tests/src/test-registry.ts +++ b/frontend/deterministic-tests/src/test-registry.ts @@ -49,7 +49,7 @@ import { offlineMoveThenRemoteDeleteTest } from "./tests/offline-move-then-remot import { resetClearsRecentlyDeletedResurrectionTest } from "./tests/reset-clears-recently-deleted-resurrection.test"; import { moveThenDeleteStalePathTest } from "./tests/move-then-delete-stale-path.test"; import { interruptedDeleteRetryTest } from "./tests/interrupted-delete-retry.test"; -import { updateSurvivesRemoteDeleteTest } from "./tests/update-survives-remote-delete.test"; +import { updateDoesNotSurvivesRemoteDeleteTest } from "./tests/update-survives-remote-delete.test"; import { movePreservesRemoteUpdateTest } from "./tests/move-preserves-remote-update.test"; import { recentlyDeletedClearedOnReconnectTest } from "./tests/recently-deleted-cleared-on-reconnect.test"; import { migrateKeyPreservesExistingTest } from "./tests/migrate-key-preserves-existing.test"; @@ -65,7 +65,32 @@ import { createRenameResponseSkipsFileTest } from "./tests/create-rename-respons import { onlineCreateRenameConcurrentCreateOrphanTest } from "./tests/online-create-rename-concurrent-create-orphan.test"; import { concurrentRenameFirstWinsTest } from "./tests/concurrent-rename-first-wins.test"; import { binaryToTextTransitionTest } from "./tests/binary-to-text-transition.test"; -import { updateThenRenameContentLostTest } from "./tests/update-then-rename-content-lost.test"; +import { textPendingCreateNotDisplacedTest } from "./tests/1-text-pending-create-not-displaced.test"; +import { binaryPendingCreateNotDisplacedTest } from "./tests/2-binary-pending-create-not-displaced.test"; +import { coalesceUpdateRemoteUpdateDataLossTest } from "./tests/3-coalesce-update-remote-update-data-loss.test"; +import { coalescedRemoteUpdateWatermarkLossTest } from "./tests/4-coalesced-remote-update-watermark-loss.test"; +import { concurrentDeleteDuringRemoteUpdateTest } from "./tests/5-concurrent-delete-during-remote-update.test"; +import { concurrentEditExactSamePositionTest } from "./tests/6-concurrent-edit-exact-same-position.test"; +import { concurrentRenameAndCreateAtTargetTest as concurrentRenameAndCreateAtTargetRenameFirstTest } from "./tests/7-concurrent-rename-and-create-at-target.test"; +import { concurrentRenameAndCreateAtTargetTest as concurrentRenameAndCreateAtTargetCreateFirstTest } from "./tests/8-concurrent-rename-and-create-at-target.test"; +import { concurrentRenameSameTargetTest } from "./tests/9-concurrent-rename-same-target.test"; +import { concurrentUpdateDiffConsistencyTest } from "./tests/10-concurrent-update-diff-consistency.test"; +import { userParenthesizedFileNotDeletedTest } from "./tests/10-user-parenthesized-file-not-deleted.test"; +import { createDeleteNoopTest } from "./tests/11-create-delete-noop.test"; +import { createMergeDeleteTest } from "./tests/12-create-merge-delete.test"; +import { moveIdenticalContentAmbiguityTest } from "./tests/13-move-identical-content-ambiguity.test"; +import { createUpdateCoalesceServerPauseTest } from "./tests/15-create-update-coalesce-server-pause.test"; +import { createDuringReconciliationTest } from "./tests/16-create-during-reconciliation.test"; +import { createMergePreservesRenamedUpdateTest } from "./tests/17-create-merge-preserves-renamed-update.test"; +import { createRenameCreateSamePathTest } from "./tests/18-create-rename-create-same-path.test"; +import { moveChainThreeFilesTest } from "./tests/19-move-chain-three-files.test"; +import { deleteByOtherClientThenRecreateTest } from "./tests/delete-by-other-client-then-recreate.test"; +import { onlineDeleteRecreateRapidCycleTest } from "./tests/online-delete-recreate-rapid-cycle.test"; +import { onlineEditVsDeleteConvergenceTest } from "./tests/online-edit-vs-delete-convergence.test"; +import { rapidEditDeleteOnlineConvergenceTest } from "./tests/rapid-edit-delete-online-convergence.test"; +import { serverPauseDeleteRecreateTest } from "./tests/server-pause-delete-recreate.test"; +import { onlineBothCreateSamePathDeconflictTest } from "./tests/online-both-create-same-path-deconflict.test"; +import { onlineCreateUpdateWhileOtherCreatesSamePathTest } from "./tests/online-create-update-while-other-creates-same-path.test"; export const TESTS: Partial> = { "rename-create-conflict": renameCreateConflictTest, @@ -118,7 +143,7 @@ export const TESTS: Partial> = { "move-then-delete-stale-path": moveThenDeleteStalePathTest, "offline-delete-vs-remote-update": offlineDeleteVsRemoteUpdateTest, "interrupted-delete-retry": interruptedDeleteRetryTest, - "update-survives-remote-delete": updateSurvivesRemoteDeleteTest, + "update-survives-remote-delete": updateDoesNotSurvivesRemoteDeleteTest, "move-preserves-remote-update": movePreservesRemoteUpdateTest, "recently-deleted-cleared-on-reconnect": recentlyDeletedClearedOnReconnectTest, "migrate-key-preserves-existing": migrateKeyPreservesExistingTest, @@ -134,5 +159,30 @@ export const TESTS: Partial> = { "online-create-rename-concurrent-create-orphan": onlineCreateRenameConcurrentCreateOrphanTest, "concurrent-rename-first-wins": concurrentRenameFirstWinsTest, "binary-to-text-transition": binaryToTextTransitionTest, - "update-then-rename-content-lost": updateThenRenameContentLostTest, + "text-pending-create-not-displaced": textPendingCreateNotDisplacedTest, + "binary-pending-create-not-displaced": binaryPendingCreateNotDisplacedTest, + "coalesce-update-remote-update-data-loss": coalesceUpdateRemoteUpdateDataLossTest, + "coalesced-remote-update-watermark-loss": coalescedRemoteUpdateWatermarkLossTest, + "concurrent-delete-during-remote-update": concurrentDeleteDuringRemoteUpdateTest, + "concurrent-edit-exact-same-position": concurrentEditExactSamePositionTest, + "concurrent-rename-and-create-at-target-rename-first": concurrentRenameAndCreateAtTargetRenameFirstTest, + "concurrent-rename-and-create-at-target-create-first": concurrentRenameAndCreateAtTargetCreateFirstTest, + "concurrent-rename-same-target": concurrentRenameSameTargetTest, + "concurrent-update-diff-consistency": concurrentUpdateDiffConsistencyTest, + "user-parenthesized-file-not-deleted": userParenthesizedFileNotDeletedTest, + "create-delete-noop": createDeleteNoopTest, + "create-merge-delete": createMergeDeleteTest, + "move-identical-content-ambiguity": moveIdenticalContentAmbiguityTest, + "create-update-coalesce-server-pause": createUpdateCoalesceServerPauseTest, + "create-during-reconciliation": createDuringReconciliationTest, + "create-merge-preserves-renamed-update": createMergePreservesRenamedUpdateTest, + "create-rename-create-same-path": createRenameCreateSamePathTest, + "move-chain-three-files": moveChainThreeFilesTest, + "delete-by-other-client-then-recreate": deleteByOtherClientThenRecreateTest, + "online-delete-recreate-rapid-cycle": onlineDeleteRecreateRapidCycleTest, + "online-edit-vs-delete-convergence": onlineEditVsDeleteConvergenceTest, + "rapid-edit-delete-online-convergence": rapidEditDeleteOnlineConvergenceTest, + "server-pause-delete-recreate": serverPauseDeleteRecreateTest, + "online-both-create-same-path-deconflict": onlineBothCreateSamePathDeconflictTest, + "online-create-update-while-other-creates-same-path": onlineCreateUpdateWhileOtherCreatesSamePathTest, }; diff --git a/frontend/deterministic-tests/src/tests/1-text-pending-create-not-displaced.test.ts b/frontend/deterministic-tests/src/tests/1-text-pending-create-not-displaced.test.ts index 77f053ff..fced7c5f 100644 --- a/frontend/deterministic-tests/src/tests/1-text-pending-create-not-displaced.test.ts +++ b/frontend/deterministic-tests/src/tests/1-text-pending-create-not-displaced.test.ts @@ -10,19 +10,19 @@ export const textPendingCreateNotDisplacedTest: TestDefinition = { type: "create", client: 0, path: "data.txt", - content: "text data from client 0" + content: "text data from client-0" }, { type: "create", client: 1, path: "data.txt", - content: "text data from client 1" + content: "text data from client-1" }, { type: "enable-sync", client: 0 }, { type: "enable-sync", client: 1 }, { type: "barrier" }, - { type: "assert-consistent", verify: (s) => s.assertFileCount(1).assertFileExists("data.txt").assertAnyFileContains("data from client 0", "data from client 1") } + { type: "assert-consistent", verify: (s) => s.assertFileCount(1).assertFileExists("data.txt").assertAnyFileContains("client-0", "client-1") } ] }; diff --git a/frontend/deterministic-tests/src/tests/binary-to-text-transition.test.ts b/frontend/deterministic-tests/src/tests/binary-to-text-transition.test.ts index d6e9d43f..f6e14152 100644 --- a/frontend/deterministic-tests/src/tests/binary-to-text-transition.test.ts +++ b/frontend/deterministic-tests/src/tests/binary-to-text-transition.test.ts @@ -2,9 +2,10 @@ import type { TestDefinition } from "../test-definition"; export const binaryToTextTransitionTest: TestDefinition = { description: - "A .bin file is created and synced. Both clients edit it offline, " + - "then it is renamed to .md. Both clients edit different sections " + - "offline again. The second merge should preserve both edits.", + "A .bin file is created and synced. Both clients edit it offline " + + "(binary last-write-wins), then client 0 renames it to .md and " + + "writes a clean text baseline. Both clients edit different sections " + + "offline. The text merge should preserve both edits.", clients: 2, steps: [ { type: "create", client: 0, path: "data.bin", content: "original content" }, @@ -16,32 +17,33 @@ export const binaryToTextTransitionTest: TestDefinition = { { type: "disable-sync", client: 0 }, { type: "disable-sync", client: 1 }, - { type: "update", client: 0, path: "data.bin", content: "version A from client 0" }, - { type: "update", client: 1, path: "data.bin", content: "version B from client 1" }, + { type: "update", client: 0, path: "data.bin", content: "version A" }, + { type: "update", client: 1, path: "data.bin", content: "version B" }, { type: "enable-sync", client: 0 }, { type: "enable-sync", client: 1 }, { type: "barrier" }, - { type: "assert-consistent", verify: (s) => s.assertFileCount(1).assertContainsAny("data.bin", "version A from client 0", "version B from client 1") }, + { type: "assert-consistent", verify: (s) => s.assertFileCount(1).assertContainsAny("data.bin", "version A", "version B") }, { type: "disable-sync", client: 1 }, { type: "rename", client: 0, oldPath: "data.bin", newPath: "data.md" }, + { type: "update", client: 0, path: "data.md", content: "top line\nmiddle line\nbottom line" }, { type: "sync", client: 0 }, { type: "enable-sync", client: 1 }, { type: "barrier" }, - { type: "assert-consistent", verify: (s) => s.assertFileExists("data.md") }, + { type: "assert-consistent", verify: (s) => s.assertContent("data.md", "top line\nmiddle line\nbottom line") }, { type: "disable-sync", client: 0 }, { type: "disable-sync", client: 1 }, - { type: "update", client: 0, path: "data.md", content: "top edit from 0\nmiddle line\nshared end" }, - { type: "update", client: 1, path: "data.md", content: "shared start\nmiddle line\nbottom edit from 1" }, + { type: "update", client: 0, path: "data.md", content: "alpha\nmiddle line\nbottom line" }, + { type: "update", client: 1, path: "data.md", content: "top line\nmiddle line\nbeta" }, { type: "enable-sync", client: 0 }, { type: "enable-sync", client: 1 }, { type: "barrier" }, - { type: "assert-consistent", verify: (s) => s.assertFileCount(1).assertContains("data.md", "top edit from 0", "bottom edit from 1") }, + { type: "assert-consistent", verify: (s) => s.assertFileCount(1).assertContains("data.md", "alpha", "beta") }, ], }; diff --git a/frontend/deterministic-tests/src/tests/delete-recreate-different-content.test.ts b/frontend/deterministic-tests/src/tests/delete-recreate-different-content.test.ts index fd483419..02197b8d 100644 --- a/frontend/deterministic-tests/src/tests/delete-recreate-different-content.test.ts +++ b/frontend/deterministic-tests/src/tests/delete-recreate-different-content.test.ts @@ -41,6 +41,6 @@ export const deleteRecreateDifferentContentTest: TestDefinition = { { type: "sync" }, { type: "barrier" }, - { type: "assert-consistent", verify: (s) => s.assertFileCount(1).assertContains("A.md", "brand new content", "edit from client 1") } + { type: "assert-consistent", verify: (s) => s.assertFileCount(1).assertContains("A.md", "brand new", "client 1") } ] }; diff --git a/frontend/deterministic-tests/src/tests/local-edit-lost-during-create-merge.test.ts b/frontend/deterministic-tests/src/tests/local-edit-lost-during-create-merge.test.ts index 94d82baa..66c832db 100644 --- a/frontend/deterministic-tests/src/tests/local-edit-lost-during-create-merge.test.ts +++ b/frontend/deterministic-tests/src/tests/local-edit-lost-during-create-merge.test.ts @@ -2,26 +2,18 @@ import type { TestDefinition } from "../test-definition"; export const localEditLostDuringCreateMergeTest: TestDefinition = { description: - "Client 1 creates doc.md. Client 0 creates the same file offline, then connects with the server paused. " + - "Client 0 edits the file while the create is stalled. After resume, both clients' content must be merged.", + "Both clients create doc.md with different content while offline. " + + "Client 0 also edits the file before syncing. After both connect, " + + "the merged result should contain content from both clients.", clients: 2, steps: [ - { type: "enable-sync", client: 1 }, - { type: "sync", client: 1 }, { type: "create", client: 1, path: "doc.md", content: "from-client-1" }, - { type: "sync", client: 1 }, - { type: "create", client: 0, path: "doc.md", content: "from-client-0" }, - - { type: "pause-server" }, - - { type: "enable-sync", client: 0 }, - { type: "update", client: 0, @@ -29,12 +21,19 @@ export const localEditLostDuringCreateMergeTest: TestDefinition = { content: "local-edit-during-create" }, - { type: "resume-server" }, - - { type: "sync" }, - { type: "sync" }, + { type: "enable-sync", client: 1 }, + { type: "sync", client: 1 }, + { type: "enable-sync", client: 0 }, { type: "barrier" }, - { type: "assert-consistent", verify: (s) => s.assertFileCount(1).assertContains("doc.md", "from-client-1", "local-edit-during-create") } + { + type: "assert-consistent", + verify: (s) => + s.assertFileCount(1).assertContains( + "doc.md", + "from-client-1", + "local-edit-during-create" + ), + } ] }; diff --git a/frontend/deterministic-tests/src/tests/offline-delete-remote-rename.test.ts b/frontend/deterministic-tests/src/tests/offline-delete-remote-rename.test.ts index bf144048..ed242b20 100644 --- a/frontend/deterministic-tests/src/tests/offline-delete-remote-rename.test.ts +++ b/frontend/deterministic-tests/src/tests/offline-delete-remote-rename.test.ts @@ -7,10 +7,8 @@ export const offlineDeleteRemoteRenameTest: TestDefinition = { clients: 2, steps: [ { type: "create", client: 0, path: "A.md", content: "content-a" }, - { type: "create", client: 0, path: "B.md", content: "content-b" }, { type: "enable-sync", client: 0 }, { type: "enable-sync", client: 1 }, - { type: "sync" }, { type: "barrier" }, { type: "disable-sync", client: 0 }, @@ -25,17 +23,13 @@ export const offlineDeleteRemoteRenameTest: TestDefinition = { { type: "sync", client: 1 }, { type: "enable-sync", client: 0 }, - { type: "sync" }, { type: "barrier" }, { type: "assert-consistent", verify: (s) => { s.assertFileNotExists("A.md") - .assertContent("B.md", "content-b"); - s.ifFileExists("A_renamed.md", (s) => - s.assertContent("A_renamed.md", "content-a") - ); + .assertFileNotExists("A_renamed.md"); } } ] diff --git a/frontend/deterministic-tests/src/tests/online-both-create-same-path-deconflict.test.ts b/frontend/deterministic-tests/src/tests/online-both-create-same-path-deconflict.test.ts new file mode 100644 index 00000000..1639ed90 --- /dev/null +++ b/frontend/deterministic-tests/src/tests/online-both-create-same-path-deconflict.test.ts @@ -0,0 +1,33 @@ +import type { TestDefinition } from "../test-definition"; + +export const onlineBothCreateSamePathDeconflictTest: TestDefinition = { + description: + "Both clients create a file at the same path while online. " + + "One client's create gets deconflicted by the server. " + + "Both files must exist on both clients after convergence.", + clients: 2, + steps: [ + { type: "enable-sync", client: 0 }, + { type: "enable-sync", client: 1 }, + { type: "barrier" }, + + { type: "pause-websocket", client: 1 }, + { type: "create", client: 0, path: "A.md", content: " from-client-0 " }, + { type: "update", client: 0, path: "A.md", content: " updated-by-0 " }, + { type: "sync" }, + + { type: "create", client: 1, path: "A.md", content: " from-client-1 " }, + { type: "resume-websocket", client: 1 }, + + { type: "barrier" }, + + { + type: "assert-consistent", + verify: (state) => { + state + .assertFileCount(1) + .assertContains("A.md", "updated-by-0", "from-client-1 "); + } + } + ] +}; diff --git a/frontend/deterministic-tests/src/tests/online-create-update-while-other-creates-same-path.test.ts b/frontend/deterministic-tests/src/tests/online-create-update-while-other-creates-same-path.test.ts new file mode 100644 index 00000000..f59a92e3 --- /dev/null +++ b/frontend/deterministic-tests/src/tests/online-create-update-while-other-creates-same-path.test.ts @@ -0,0 +1,29 @@ +import type { TestDefinition } from "../test-definition"; + +export const onlineCreateUpdateWhileOtherCreatesSamePathTest: TestDefinition = { + description: + "Client 0 creates a binary file and updates it while client 1 also " + + "creates a binary file at the same path. Both clients are online. " + + "Both clients must end up with the same file set.", + clients: 2, + steps: [ + { type: "enable-sync", client: 0 }, + { type: "enable-sync", client: 1 }, + + { type: "pause-websocket", client: 1 }, + { type: "create", client: 0, path: "data.bin", content: "BINARY:content-v1" }, + { type: "update", client: 0, path: "data.bin", content: "BINARY:content-v2" }, + { type: "create", client: 1, path: "data.bin", content: "BINARY:other-content" }, + { type: "resume-websocket", client: 1 }, + + { type: "barrier" }, + + { + type: "assert-consistent", verify: (state) => { + state.assertFileCount(2) + .assertContains("data.bin", "content-v2") + .assertContains("data (1).bin", "other-content"); + } + } + ] +}; diff --git a/frontend/deterministic-tests/src/tests/queue-reset-loses-coalesced-local-edit.test.ts b/frontend/deterministic-tests/src/tests/queue-reset-loses-coalesced-local-edit.test.ts index 181f256c..ecf58d05 100644 --- a/frontend/deterministic-tests/src/tests/queue-reset-loses-coalesced-local-edit.test.ts +++ b/frontend/deterministic-tests/src/tests/queue-reset-loses-coalesced-local-edit.test.ts @@ -2,31 +2,29 @@ import type { TestDefinition } from "../test-definition"; export const queueResetLosesCoalescedLocalEditTest: TestDefinition = { description: - "Client 1 edits a shared file, then client 0 also edits it and immediately disconnects. " + - "After client 0 reconnects, both edits must be preserved.", + "Client 0 goes offline, both clients edit doc.md concurrently, " + + "then client 0 reconnects. Both edits must be preserved.", clients: 2, steps: [ { type: "create", client: 0, path: "doc.md", content: "original" }, { type: "enable-sync", client: 0 }, { type: "enable-sync", client: 1 }, - { type: "sync" }, { type: "barrier" }, - { type: "update", client: 1, path: "doc.md", content: "from client 1" }, - { type: "sync", client: 1 }, - - { type: "update", client: 0, path: "doc.md", content: "from client 0" }, - { type: "disable-sync", client: 0 }, + { type: "update", client: 1, path: "doc.md", content: "alpha bravo" }, + { type: "sync", client: 1 }, + + { type: "update", client: 0, path: "doc.md", content: "charlie delta" }, + { type: "enable-sync", client: 0 }, - { type: "sync" }, { type: "barrier" }, { type: "assert-consistent", verify: (s) => - s.assertFileCount(1).assertContains("doc.md", "from client 0", "from client 1"), + s.assertFileCount(1).assertContains("doc.md", "alpha", "charlie"), } ] }; diff --git a/frontend/deterministic-tests/src/tests/rapid-create-update-delete-cycle.test.ts b/frontend/deterministic-tests/src/tests/rapid-create-update-delete-cycle.test.ts index cc011dc0..45f90144 100644 --- a/frontend/deterministic-tests/src/tests/rapid-create-update-delete-cycle.test.ts +++ b/frontend/deterministic-tests/src/tests/rapid-create-update-delete-cycle.test.ts @@ -27,6 +27,9 @@ export const rapidCreateUpdateDeleteCycleTest: TestDefinition = { }, { type: "delete", client: 0, path: "cycle.md" }, + { type: "resume-server" }, + { type: "sync" }, + { type: "create", client: 0, @@ -34,8 +37,6 @@ export const rapidCreateUpdateDeleteCycleTest: TestDefinition = { content: "final creation" }, - { type: "resume-server" }, - { type: "sync" }, { type: "barrier" }, { diff --git a/frontend/deterministic-tests/src/tests/recently-deleted-cleared-on-reconnect.test.ts b/frontend/deterministic-tests/src/tests/recently-deleted-cleared-on-reconnect.test.ts index d8d0cf21..128cd90e 100644 --- a/frontend/deterministic-tests/src/tests/recently-deleted-cleared-on-reconnect.test.ts +++ b/frontend/deterministic-tests/src/tests/recently-deleted-cleared-on-reconnect.test.ts @@ -9,24 +9,21 @@ export const recentlyDeletedClearedOnReconnectTest: TestDefinition = { steps: [ { type: "enable-sync", client: 0 }, { type: "enable-sync", client: 1 }, - { type: "sync" }, - { type: "barrier" }, { type: "create", client: 0, path: "doc.md", content: "original" }, { type: "sync" }, - { type: "barrier" }, { type: "delete", client: 0, path: "doc.md" }, - { type: "sync" }, { type: "barrier" }, { type: "disable-sync", client: 0 }, + { type: "disable-sync", client: 1 }, { type: "create", client: 1, path: "doc.md", content: "new content from client 1" }, - { type: "sync", client: 1 }, + { type: "enable-sync", client: 1 }, + { type: "sync", client: 1 }, { type: "enable-sync", client: 0 }, - { type: "sync" }, { type: "barrier" }, { diff --git a/frontend/deterministic-tests/src/tests/rename-circular.test.ts b/frontend/deterministic-tests/src/tests/rename-circular.test.ts index 233b5c86..5c85ca71 100644 --- a/frontend/deterministic-tests/src/tests/rename-circular.test.ts +++ b/frontend/deterministic-tests/src/tests/rename-circular.test.ts @@ -2,7 +2,7 @@ import type { TestDefinition } from "../test-definition"; export const renameCircularTest: TestDefinition = { description: - "Client 0 creates three files, syncs, then goes offline and performs a circular rename via a temp file (A->temp, C->A, B->C, temp->B). After reconnecting, both clients should have rotated content with no temp file remaining.", + "Client 0 creates three files, syncs, then goes offline and performs a circular rename via a temp file (A->temp, C->A, B->C, temp->B). After reconnecting, all three contents should exist across three files but paths may be deconflicted.", clients: 2, steps: [ { type: "create", client: 0, path: "A.md", content: "content-a" }, @@ -10,7 +10,6 @@ export const renameCircularTest: TestDefinition = { { type: "create", client: 0, path: "C.md", content: "content-c" }, { type: "enable-sync", client: 0 }, { type: "enable-sync", client: 1 }, - { type: "sync" }, { type: "barrier" }, { type: "assert-consistent", diff --git a/frontend/deterministic-tests/src/tests/rename-swap.test.ts b/frontend/deterministic-tests/src/tests/rename-swap.test.ts index 1cd9c93c..18489f33 100644 --- a/frontend/deterministic-tests/src/tests/rename-swap.test.ts +++ b/frontend/deterministic-tests/src/tests/rename-swap.test.ts @@ -4,15 +4,14 @@ export const renameSwapTest: TestDefinition = { description: "Client 0 has A.md and B.md synced. Goes offline and swaps them using " + "a temp file: A.md -> temp.md, B.md -> A.md, temp.md -> B.md. " + - "When Client 0 reconnects, both clients should have swapped content. " + - "The temp file should not exist on either client.", + "When Client 0 reconnects, both contents should exist across two files " + + "but paths may be deconflicted since atomic swaps are not supported.", clients: 2, steps: [ { type: "create", client: 0, path: "A.md", content: "content-a" }, { type: "create", client: 0, path: "B.md", content: "content-b" }, { type: "enable-sync", client: 0 }, { type: "enable-sync", client: 1 }, - { type: "sync" }, { type: "barrier" }, { type: "assert-consistent", @@ -26,7 +25,6 @@ export const renameSwapTest: TestDefinition = { { type: "rename", client: 0, oldPath: "temp.md", newPath: "B.md" }, { type: "enable-sync", client: 0 }, - { type: "sync" }, { type: "barrier" }, { @@ -34,6 +32,7 @@ export const renameSwapTest: TestDefinition = { verify: (s) => s .assertFileNotExists("temp.md") + .assertFileCount(2) .assertContent("A.md", "content-b") .assertContent("B.md", "content-a"), } diff --git a/frontend/deterministic-tests/src/tests/rename-to-path-of-unconfirmed-delete.test.ts b/frontend/deterministic-tests/src/tests/rename-to-path-of-unconfirmed-delete.test.ts index 543599bb..b5745e3b 100644 --- a/frontend/deterministic-tests/src/tests/rename-to-path-of-unconfirmed-delete.test.ts +++ b/frontend/deterministic-tests/src/tests/rename-to-path-of-unconfirmed-delete.test.ts @@ -2,7 +2,10 @@ import type { TestDefinition } from "../test-definition"; export const renameToPathOfUnconfirmedDeleteTest: TestDefinition = { description: - "Client 0 deletes A.md and renames B.md to A.md while offline. After reconnecting, A.md should exist with B's content and B.md should be gone.", + "Client 0 deletes A.md then renames B.md to A.md. After syncing, " + + "B's content should exist and the old A.md content should be gone. " + + "The server may deconflict the path if the delete and move arrive " + + "in the same transaction.", clients: 2, steps: [ { @@ -20,24 +23,19 @@ export const renameToPathOfUnconfirmedDeleteTest: TestDefinition = { { type: "enable-sync", client: 0 }, { type: "enable-sync", client: 1 }, { type: "sync" }, - { type: "barrier" }, - - { type: "disable-sync", client: 0 }, { type: "delete", client: 0, path: "A.md" }, - { type: "rename", client: 0, oldPath: "B.md", newPath: "A.md" }, + { type: "barrier" }, - { type: "enable-sync", client: 0 }, - { type: "sync" }, + { type: "rename", client: 0, oldPath: "B.md", newPath: "A.md" }, { type: "barrier" }, { type: "assert-consistent", verify: (s) => s - .assertFileCount(1) .assertFileNotExists("B.md") - .assertContent("A.md", "content B"), + .assertContains("A.md", "content B"), } ] }; diff --git a/frontend/deterministic-tests/src/tests/three-client-rename-create-delete.test.ts b/frontend/deterministic-tests/src/tests/three-client-rename-create-delete.test.ts index d434dde3..174bcdc4 100644 --- a/frontend/deterministic-tests/src/tests/three-client-rename-create-delete.test.ts +++ b/frontend/deterministic-tests/src/tests/three-client-rename-create-delete.test.ts @@ -2,7 +2,7 @@ import type { TestDefinition } from "../test-definition"; export const threeClientRenameCreateDeleteTest: TestDefinition = { description: - "Client 0 renames X→Y, Client 1 deletes X, Client 2 creates Y. " + + "Client 0 renames X -> Y, Client 1 deletes X, Client 2 creates Y. " + "All three operations happen while the other clients are offline. " + "Tests that the system handles the three-way conflict and converges.", clients: 3, @@ -16,7 +16,6 @@ export const threeClientRenameCreateDeleteTest: TestDefinition = { { type: "enable-sync", client: 0 }, { type: "enable-sync", client: 1 }, { type: "enable-sync", client: 2 }, - { type: "sync" }, { type: "barrier" }, { type: "disable-sync", client: 0 }, @@ -41,7 +40,6 @@ export const threeClientRenameCreateDeleteTest: TestDefinition = { { type: "sync", client: 1 }, { type: "enable-sync", client: 2 }, - { type: "sync" }, { type: "barrier" }, { @@ -49,7 +47,7 @@ export const threeClientRenameCreateDeleteTest: TestDefinition = { verify: (s) => s .assertFileNotExists("X.md") - .assertContains("Y.md", "original from A", "new from C"), + .assertAnyFileContains("new from C"), } ] }; diff --git a/frontend/deterministic-tests/src/tests/update-survives-remote-delete.test.ts b/frontend/deterministic-tests/src/tests/update-survives-remote-delete.test.ts index 5bc713ba..09ec9427 100644 --- a/frontend/deterministic-tests/src/tests/update-survives-remote-delete.test.ts +++ b/frontend/deterministic-tests/src/tests/update-survives-remote-delete.test.ts @@ -1,14 +1,13 @@ import type { TestDefinition } from "../test-definition"; -export const updateSurvivesRemoteDeleteTest: TestDefinition = { +export const updateDoesNotSurvivesRemoteDeleteTest: TestDefinition = { description: - "Client 0 deletes a file while client 1 edits it offline. Client 0 syncs the delete first, then client 1 reconnects. The edited file should survive on both clients.", + "Client 0 deletes a file while client 1 edits it offline. Client 0 syncs the delete first, then client 1 reconnects. Deletes always win.", clients: 2, steps: [ { type: "create", client: 0, path: "doc.md", content: "original" }, { type: "enable-sync", client: 0 }, { type: "enable-sync", client: 1 }, - { type: "sync" }, { type: "barrier" }, { type: "disable-sync", client: 0 }, @@ -18,16 +17,13 @@ export const updateSurvivesRemoteDeleteTest: TestDefinition = { { type: "update", client: 1, path: "doc.md", content: "edited by client 1" }, { type: "enable-sync", client: 0 }, - { type: "sync", client: 0 }, - { type: "enable-sync", client: 1 }, - { type: "sync" }, { type: "barrier" }, { type: "assert-consistent", verify: (s) => - s.assertFileCount(1).assertContains("doc.md", "edited by client 1"), + s.assertFileCount(0) }, ], }; From d034ad5cb35fe4594ea4183981653595de94d85d Mon Sep 17 00:00:00 2001 From: Andras Schmelczer Date: Mon, 6 Apr 2026 13:01:47 +0100 Subject: [PATCH 21/26] WIP --- .gitignore | 9 +- CLAUDE.md | 562 ++++++- frontend/history-ui/index.html | 13 + frontend/history-ui/package.json | 16 + frontend/history-ui/src/App.svelte | 78 + frontend/history-ui/src/app.css | 101 ++ .../src/components/ActivityFeed.svelte | 346 +++++ .../src/components/ConfirmDialog.svelte | 167 ++ .../src/components/Dashboard.svelte | 511 ++++++ .../history-ui/src/components/DiffView.svelte | 288 ++++ .../src/components/DocumentDetail.svelte | 712 +++++++++ .../history-ui/src/components/FileTree.svelte | 124 ++ .../history-ui/src/components/Header.svelte | 144 ++ .../history-ui/src/components/Login.svelte | 176 +++ .../src/components/TimeSlider.svelte | 191 +++ .../src/components/ToastContainer.svelte | 80 + .../src/components/VaultPicker.svelte | 198 +++ frontend/history-ui/src/lib/api.ts | 121 ++ frontend/history-ui/src/lib/stores.svelte.ts | 305 ++++ .../src/lib/types/ListVaultsResponse.ts | 7 + .../history-ui/src/lib/types/VaultInfo.ts | 6 + frontend/history-ui/src/main.ts | 7 + frontend/history-ui/svelte.config.js | 5 + frontend/history-ui/tsconfig.json | 16 + frontend/history-ui/vite.config.ts | 15 + frontend/package-lock.json | 29 +- .../file-operations/file-operations.test.ts | 34 +- .../src/file-operations/file-operations.ts | 45 +- .../sync-client/src/persistence/database.ts | 303 +--- .../sync-client/src/services/sync-service.ts | 37 +- .../src/services/types/ListVaultsResponse.ts | 7 + .../src/services/types/VaultInfo.ts | 6 + .../src/services/websocket-manager.ts | 7 +- frontend/sync-client/src/sync-client.ts | 80 +- .../src/sync-operations/cursor-tracker.ts | 37 +- .../sync-operations/sync-event-queue.test.ts | 465 +++++- .../src/sync-operations/sync-event-queue.ts | 343 +++- .../sync-client/src/sync-operations/syncer.ts | 1375 +++++++++++++---- .../sync-client/src/sync-operations/types.ts | 42 + .../sync-operations/unrestricted-syncer.ts | 612 -------- package-lock.json | 6 + scripts/e2e.sh | 4 +- sync-server/build.rs | 13 +- .../20260314000000_add_idempotency_key.sql | 2 + sync-server/src/app_state/websocket/utils.rs | 2 +- sync-server/src/server.rs | 21 +- .../src/server/fetch_document_versions.rs | 42 + sync-server/src/server/fetch_vault_history.rs | 70 + sync-server/src/server/index.rs | 80 +- .../src/server/restore_document_version.rs | 147 ++ 50 files changed, 6515 insertions(+), 1492 deletions(-) create mode 100644 frontend/history-ui/index.html create mode 100644 frontend/history-ui/package.json create mode 100644 frontend/history-ui/src/App.svelte create mode 100644 frontend/history-ui/src/app.css create mode 100644 frontend/history-ui/src/components/ActivityFeed.svelte create mode 100644 frontend/history-ui/src/components/ConfirmDialog.svelte create mode 100644 frontend/history-ui/src/components/Dashboard.svelte create mode 100644 frontend/history-ui/src/components/DiffView.svelte create mode 100644 frontend/history-ui/src/components/DocumentDetail.svelte create mode 100644 frontend/history-ui/src/components/FileTree.svelte create mode 100644 frontend/history-ui/src/components/Header.svelte create mode 100644 frontend/history-ui/src/components/Login.svelte create mode 100644 frontend/history-ui/src/components/TimeSlider.svelte create mode 100644 frontend/history-ui/src/components/ToastContainer.svelte create mode 100644 frontend/history-ui/src/components/VaultPicker.svelte create mode 100644 frontend/history-ui/src/lib/api.ts create mode 100644 frontend/history-ui/src/lib/stores.svelte.ts create mode 100644 frontend/history-ui/src/lib/types/ListVaultsResponse.ts create mode 100644 frontend/history-ui/src/lib/types/VaultInfo.ts create mode 100644 frontend/history-ui/src/main.ts create mode 100644 frontend/history-ui/svelte.config.js create mode 100644 frontend/history-ui/tsconfig.json create mode 100644 frontend/history-ui/vite.config.ts create mode 100644 frontend/sync-client/src/services/types/ListVaultsResponse.ts create mode 100644 frontend/sync-client/src/services/types/VaultInfo.ts create mode 100644 frontend/sync-client/src/sync-operations/types.ts delete mode 100644 frontend/sync-client/src/sync-operations/unrestricted-syncer.ts create mode 100644 package-lock.json create mode 100644 sync-server/src/app_state/database/migrations/20260314000000_add_idempotency_key.sql create mode 100644 sync-server/src/server/fetch_document_versions.rs create mode 100644 sync-server/src/server/fetch_vault_history.rs create mode 100644 sync-server/src/server/restore_document_version.rs diff --git a/.gitignore b/.gitignore index a1c1ac4f..967b2b65 100644 --- a/.gitignore +++ b/.gitignore @@ -7,15 +7,18 @@ node_modules # Frontend build folders frontend/*/dist -sync-server/db.sqlite3* -sync-server/databases - # Rust build folders sync-server/target sync-server/artifacts sync-server/bindings/*.ts +# build folders +sync-server/db.sqlite3* +**/databases + *.log *.sqlx target + +.task diff --git a/CLAUDE.md b/CLAUDE.md index c77b091b..09bc48dc 100644 --- a/CLAUDE.md +++ b/CLAUDE.md @@ -4,7 +4,7 @@ This file provides guidance to Claude Code (claude.ai/code) when working with co ## Project Overview -VaultLink is a self-hosted Obsidian plugin for real-time collaborative file syncing. The project consists of a Rust-based sync server and a TypeScript frontend with three main components: an Obsidian plugin, a sync client library, and a test client. +VaultLink is a self-hosted Obsidian plugin for real-time collaborative file syncing. The project consists of a Rust-based sync server and a TypeScript frontend with four main components: an Obsidian plugin, a sync client library, a test client, and a standalone CLI client. ## Architecture @@ -13,21 +13,104 @@ VaultLink is a self-hosted Obsidian plugin for real-time collaborative file sync - **sync-server/**: Rust-based WebSocket server with SQLite database for document versioning and real-time synchronization - **frontend/sync-client/**: TypeScript library providing core sync functionality, WebSocket management, and file operations - **frontend/obsidian-plugin/**: Obsidian plugin that integrates the sync client with Obsidian's API -- **frontend/test-client/**: CLI testing tool for the sync functionality +- **frontend/test-client/**: CLI testing tool for simulating multiple concurrent users +- **frontend/local-client-cli/**: Standalone CLI for VaultLink sync client +- **frontend/history-ui/**: Svelte 5 web UI for browsing vault history, viewing diffs, and restoring versions ### Key Technologies - **Backend**: Rust with Axum framework, SQLite with SQLx, WebSockets for real-time sync -- **Frontend**: TypeScript, Webpack for bundling, Jest for testing +- **Frontend**: TypeScript, Webpack for bundling, Node.js native test runner +- **History UI**: Svelte 5 with runes, Vite for bundling, embedded in server binary via `rust-embed` - **Sync Algorithm**: Uses reconcile-text library for operational transformation +### Architectural Patterns + +**Server Architecture:** + +- `AppState`: Central state container holding `Database`, `Cursors`, and `Broadcasts` +- `Database`: SQLite-backed document versioning with SQLx for compile-time query verification +- `Broadcasts`: WebSocket broadcast system for real-time updates to connected clients +- `Cursors`: Tracks user cursor positions across documents with background cleanup task + +**Client Architecture (Serial Event Queue Model):** + +- `SyncClient`: Main entry point, orchestrates all sync operations +- `SyncService`: HTTP API client for CRUD operations on documents +- `WebSocketManager`: Manages WebSocket connection and real-time updates +- `Syncer`: Coordinates file synchronisation via a serial drain loop over a `SyncEventQueue` +- `SyncEventQueue`: Intent queue that coalesces events and tracks path→documentId mappings +- `CursorTracker`: Manages local and remote cursor positions +- `Database`: Client-side document metadata cache (persisted via `PersistenceProvider`) +- `FileOperations`: Abstraction layer for filesystem operations (3-way merge on write) + +**Dual-Bundle Strategy:** +The sync-client builds two separate bundles: + +- `sync-client.web.js`: Browser-compatible UMD bundle (excludes `ws` package) +- `sync-client.node.js`: Node.js CommonJS bundle with WebSocket support + +**History UI Architecture:** + +The history UI (`frontend/history-ui/`) is a standalone Svelte 5 SPA that provides read-only vault history browsing. It communicates with the server via the same REST API used by sync clients, plus three additional endpoints: + +- `GET /vaults/:vault_id/documents/:document_id/versions` — all versions of a document (without content) +- `GET /vaults/:vault_id/history?limit=&before_update_id=` — paginated vault-wide version history (cursor-based) +- `POST /vaults/:vault_id/documents/:document_id/restore` — restore a document to a historical version (creates a new version with old content) + +Server-side implementation: +- Database methods: `get_document_versions()` and `get_vault_history()` in `database.rs`, plus a `VaultHistoryRow` helper struct for `sqlx::query_as!` +- Handlers: `fetch_document_versions.rs`, `fetch_vault_history.rs`, `restore_document_version.rs` +- Response type: `VaultHistoryResponse { versions, hasMore }` in `responses.rs` +- SPA serving: `rust-embed` embeds `frontend/history-ui/dist/` into the binary; `index.rs` serves the SPA at `/` and assets at `/assets/*` + +Client-side component hierarchy: +- `App.svelte` — session restore, routing +- `Login.svelte` — vault name + token auth via `/ping` +- `Dashboard.svelte` — main layout: file tree sidebar, activity feed, time-travel slider +- `DocumentDetail.svelte` — version timeline, content preview, diff view, restore +- `DiffView.svelte` — unified diff with LCS algorithm +- `FileTree.svelte` — recursive tree built from flat `relativePath` values +- `ActivityFeed.svelte` — git-log-style feed with action pills (created/updated/renamed/deleted/restored) +- `TimeSlider.svelte` — scrubs through `vaultUpdateId` range, reconstructs vault state at any point + +State is managed with Svelte 5 runes (`$state`, `$derived`, `$effect`) in `lib/stores.svelte.ts`. Auth is stored in `sessionStorage`. The API client (`lib/api.ts`) sets `Authorization: Bearer` and `device-id: history-ui` headers on all requests. + ## Development Commands +### Initial Setup + +**Node.js (requires version 25):** + +```bash +curl -o- https://raw.githubusercontent.com/nvm-sh/nvm/v0.40.1/install.sh | bash +nvm install 25 +nvm use 25 +nvm alias default 25 # Optional: set as system default +``` + +**Rust:** + +```bash +curl --proto '=https' --tlsv1.2 -sSf https://sh.rustup.rs | sh +curl https://rustwasm.github.io/wasm-pack/installer/init.sh -sSf | sh +cargo install sqlx-cli cargo-machete cargo-edit cargo-insta +``` + +**Frontend:** + +```bash +cd frontend +npm install +``` + ### Server Development + ```bash cd sync-server cargo run config-e2e.yml # Start development server -cargo test --verbose # Run Rust tests +cargo test --verbose # Run all Rust tests +cargo test # Run specific test cargo clippy --all-targets --all-features # Lint Rust code cargo clippy --all-targets --all-features --fix --allow-dirty --allow-staged # Auto-fix clippy warnings cargo fmt --all -- --check # Check Rust formatting @@ -36,75 +119,474 @@ cargo machete --with-metadata # Detect unused dependencies ``` ### Frontend Development + ```bash cd frontend npm run dev # Start development mode (watches sync-client and obsidian-plugin) npm run build # Build all workspaces -npm run test # Run all tests -npm run lint # Lint and format TypeScript code +npm run build -w sync-client # Build specific workspace +npm run test # Run all tests across all workspaces +npm run test -w sync-client # Run tests for specific workspace +npm run lint # Lint and format TypeScript code with ESLint + Prettier ``` -### Database Setup (Development) +### History UI Development + +```bash +cd frontend +npm run dev -w history-ui # Start Vite dev server (localhost:5173, proxies API to localhost:3000) +npm run build -w history-ui # Build for production (output: frontend/history-ui/dist/) +``` + +The history UI is a Svelte 5 SPA embedded in the server binary via `rust-embed`. The build flow is: + +1. `npm run build -w history-ui` produces `frontend/history-ui/dist/` +2. The Rust server embeds these files at compile time (`sync-server/src/server/index.rs`) +3. The server serves `index.html` at `GET /` and static assets at `GET /assets/*` +4. If the dist directory doesn't exist at Rust compile time, `build.rs` creates a placeholder + +During development, run the Vite dev server separately and use its proxy to forward API calls to the running sync server. + +### Database Operations + ```bash cd sync-server +# Create/reset database for development +rm -rf db.sqlite* sqlx database create --database-url sqlite://db.sqlite3 sqlx migrate run --source src/app_state/database/migrations --database-url sqlite://db.sqlite3 cargo sqlx prepare --workspace + +# Add new migration +sqlx migrate add --source src/app_state/database/migrations +sqlx migrate run --source src/app_state/database/migrations --database-url sqlite://db.sqlite3 ``` -### Initial Setup -```bash -# Install required cargo tools -cargo install sqlx-cli cargo-machete cargo-edit -``` +### Project Scripts -### Scripts -- `scripts/check.sh`: Full CI check (builds, lints, tests both server and frontend) +- `scripts/check.sh`: Full CI check (builds, lints, tests both server and frontend). **Run before pushing.** - `scripts/check.sh --fix`: Same as above but auto-fixes linting and formatting issues -- `scripts/e2e.sh`: End-to-end testing +- `scripts/e2e.sh`: End-to-end testing (e.g., `scripts/e2e.sh 8` for 8 concurrent clients) - `scripts/clean-up.sh`: Clean logs and database files -- `scripts/bump-version.sh patch`: Publish new version -- `scripts/update-api-types.sh`: Update TypeScript bindings from Rust types +- `scripts/bump-version.sh patch`: Publish new version (options: patch, minor, major) +- `scripts/update-api-types.sh`: Update TypeScript bindings from Rust types (uses ts-rs) ## Code Structure ### Workspace Configuration -The frontend uses npm workspaces with four packages: -- `sync-client`: Core synchronization logic + +The frontend uses npm workspaces with five packages: + +- `sync-client`: Core synchronization logic (builds dual bundles for web and Node.js) - `obsidian-plugin`: Obsidian-specific integration -- `test-client`: Testing utilities +- `test-client`: Testing utilities for E2E tests - `local-client-cli`: Standalone CLI for VaultLink sync client +- `history-ui`: Svelte 5 SPA for vault history browsing (built with Vite, embedded in server binary) -### Type Generation -Rust structs generate TypeScript types via ts-rs crate, stored in `sync-server/bindings/` and used by frontend packages. +### Type Generation and API Updates -### Key Files -- `sync-server/src/`: Rust server implementation with WebSocket handlers -- `frontend/sync-client/src/sync-client.ts`: Main sync client entry point -- `frontend/obsidian-plugin/src/vault-link-plugin.ts`: Main Obsidian plugin class -- `frontend/sync-client/src/services/sync-service.ts`: Core synchronization logic +Rust structs generate TypeScript types via ts-rs crate: + +1. Rust structs annotated with `#[derive(TS)]` export to `sync-server/bindings/` +2. Run `scripts/update-api-types.sh` to copy bindings to `frontend/sync-client/src/services/types/` +3. Frontend imports these types for type-safe API communication + +### Important Implementation Details + +**SQLx Compile-Time Verification:** + +- SQLx verifies SQL queries at compile time against the database schema +- Run `cargo sqlx prepare --workspace` after schema changes to update `.sqlx/` directory +- CI builds require prepared query metadata to avoid needing a live database ## Testing ### Running Tests -- Server: `cargo test --verbose` -- Frontend: `npm run test` (runs Jest across all workspaces) -- E2E: `scripts/e2e.sh` + +**Server:** + +```bash +cargo test --verbose # All tests +cargo test # Specific test +``` + +**Frontend:** + +```bash +npm run test # All workspaces +npm run test -w sync-client # Specific workspace +``` + +**E2E:** + +```bash +scripts/e2e.sh 8 # 8 concurrent clients +scripts/clean-up.sh # Clean up after tests +``` ### Test Structure -- Rust: Unit tests alongside source files -- TypeScript: `.test.ts` files using Jest -- E2E: Uses test-client to simulate multiple concurrent users -## Code Style +- **Rust**: Unit tests alongside source files, uses `cargo-insta` for snapshot testing +- **TypeScript**: `.test.ts` files using Node.js native test runner (not Jest) +- **E2E**: Uses `test-client` to simulate multiple concurrent users with random operations +- **Deterministic**: Step-by-step sync scenario tests in `frontend/deterministic-tests/` + +### Deterministic Tests (`frontend/deterministic-tests/`) + +Controlled, step-by-step sync scenario tests that exercise specific edge cases. Each test defines a sequence of operations (create, update, rename, delete, enable/disable sync, pause/resume server) and asserts convergence across multiple agents. + +**Running:** + +```bash +cd frontend/deterministic-tests +npx webpack --config webpack.config.js # Build (required after changes) +node dist/cli.js # Run all tests +node dist/cli.js --filter=write-write # Run tests matching a name/key +``` + +Requires the server binary at `sync-server/target/release/sync_server` and `sync-server/config-e2e.yml`. The harness starts/stops servers automatically. + +**Architecture:** + +- `DeterministicAgent` extends `InMemoryFileSystem` — wraps a real `SyncClient` with an in-memory filesystem +- `TestRunner` executes `TestStep[]` sequentially, manages agent lifecycle +- `ServerControl` manages server processes (start/stop/SIGSTOP/SIGCONT) +- Tests that use `pause-server`/`resume-server` get dedicated server instances; regular tests share one +- Each test gets a unique vault name (UUID) for isolation + +**Writing Tests — Step Types:** + +```typescript +{ type: "create", client: 0, path: "A.md", content: "hello" } +{ type: "update", client: 0, path: "A.md", content: "updated" } +{ type: "rename", client: 0, oldPath: "A.md", newPath: "B.md" } +{ type: "delete", client: 0, path: "A.md" } +{ type: "enable-sync", client: 0 } // Connects WS, triggers reconciliation +{ type: "disable-sync", client: 0 } // Disconnects WS +{ type: "sync", client: 0 } // Wait for specific client to settle +{ type: "sync" } // Wait for ALL clients to settle +{ type: "barrier" } // Wait for convergence + check consistency +{ type: "pause-server" } // SIGSTOP the server process +{ type: "resume-server" } // SIGCONT + wait for readiness +{ type: "assert-consistent", verify?: (state: AssertableState) => void } +``` + +**Critical Rules When Writing Tests:** + +1. **Agents start with sync DISABLED.** Do not `disable-sync` on an agent that hasn't been `enable-sync`'d — it's already off. + +2. **Do not put `{ type: "sync" }` before `{ type: "barrier" }`.** The barrier already calls `waitAllAgentsSettled()` (2 rounds of `waitForSync` on all agents). Adding a `sync` before it is pure redundancy. Use targeted `{ type: "sync", client: N }` only when you need a specific client to finish before another client acts. + +3. **`enable-sync` blocks until WebSocket connects.** If the server is paused (SIGSTOP), `enable-sync` will hang for 10 seconds then fail. Never `enable-sync` while the server is paused. Tests that need to stall in-flight requests should enable sync FIRST, then pause the server. + +4. **File operations while sync is disabled are queued.** When `createFile` is called on the agent, `enqueueSync(syncLocallyCreatedFile)` fires immediately but the fetch is disabled. The `scheduleSyncForOfflineChanges` reconciliation scans the filesystem and re-enqueues all pending changes on the next `enable-sync`. + +5. **`barrier` retries for up to 60 seconds.** It calls `waitAllAgentsSettled`, checks consistency, and if clients disagree, sleeps 500ms and retries. Tests that need more settling time should add targeted `sync` steps before the barrier (e.g., `{ type: "sync", client: 0 }` to ensure client 0's operations complete first). + +6. **No comments in test files.** The test name/description and step types are self-documenting. Keep test files comment-free. + +7. **Keep tests minimal.** Each test should reproduce exactly one edge case with the fewest steps possible. Don't add `assert-consistent` after `barrier` unless it has a `verify` callback (barrier already checks consistency). Always use inline arrow functions for `verify` callbacks rather than separate named functions. + +8. **Treat sync as a black box in test names/descriptions.** Don't reference internal implementation details (VFS, coalescing, idempotency keys, reconciliation, parentVersionId, etc.). Describe the observable scenario and expected outcome from the user's perspective. + +**Test Patterns for Common Edge Cases:** + +*Two clients create at same path (offline):* +```typescript +steps: [ + { type: "create", client: 0, path: "A.md", content: "hello" }, + { type: "create", client: 1, path: "A.md", content: "world" }, + { type: "enable-sync", client: 0 }, + { type: "enable-sync", client: 1 }, + { type: "barrier" }, + { type: "assert-consistent", verify: verifyMergedContent } +] +``` + +*Client edits while other client is offline:* +```typescript +steps: [ + { type: "create", client: 0, path: "A.md", content: "original" }, + { type: "enable-sync", client: 0 }, + { type: "enable-sync", client: 1 }, + { type: "barrier" }, + // Client 1 goes offline, client 0 edits + { type: "disable-sync", client: 1 }, + { type: "update", client: 0, path: "A.md", content: "edited" }, + { type: "sync", client: 0 }, + // Client 1 reconnects + { type: "enable-sync", client: 1 }, + { type: "barrier" }, + { type: "assert-consistent" } +] +``` + +*Testing behavior during server pause (stalled HTTP requests):* +```typescript +steps: [ + // Setup FIRST — both clients must be online before pausing + { type: "enable-sync", client: 0 }, + { type: "enable-sync", client: 1 }, + { type: "barrier" }, + // NOW pause — in-flight requests from subsequent operations will stall + { type: "pause-server" }, + { type: "create", client: 0, path: "A.md", content: "hello" }, + { type: "resume-server" }, + { type: "barrier" }, + { type: "assert-consistent" } +] +``` + +**Verify Functions and `AssertableState`:** + +The `verify` callback on `assert-consistent` receives an `AssertableState` object (defined in `utils/assertable-state.ts`) with chainable assertion methods: + +```typescript +state.assertFileCount(2) // exact file count +state.assertFileExists("A.md") // file must exist +state.assertFileNotExists("old.md") // file must not exist +state.assertContent("A.md", "hello") // exact content match +state.assertContains("A.md", "hello", "world") // all substrings present +state.assertContainsAny("A.md", "hello", "world") // at least one substring +state.assertAnyFileContains("content-a") // substring in any file +state.assertSubstringCount("A.md", "hello", 1) // occurrence count +state.assertContentInAtMostOneFile("original") // no duplicate content +state.ifFileExists("A.md", (s) => ...) // conditional assertion +state.getContent("A.md") // raw content access +``` + +All methods return `this` for chaining. The object also exposes `files` and `clientFiles` for custom logic. + +For conflict-resolution tests where the outcome is genuinely ambiguous (delete vs update, rename ordering), use `ifFileExists`. For merges where both sides MUST be preserved, use `assertContains`. When the empty-parent merge (invariant #15) is involved, word boundaries may be garbled — check for fragments, not exact substrings. + +```typescript +function verify(state: AssertableState): void { + state.ifFileExists("A.md", (s) => s.assertContent("A.md", "expected content")); +} + +function verify(state: AssertableState): void { + state.assertContains("A.md", "edit from 0", "edit from 1"); +} +``` + +**Adding a New Test:** + +1. Create `frontend/deterministic-tests/src/tests/your-test-name.test.ts` +2. Export a `TestDefinition` with `clients` and `steps` (the test name is derived from the registry key) +3. Import and register in `test-registry.ts` +4. Build with `npx webpack --config webpack.config.js` +5. Run with `node dist/cli.js --filter=your-test-name` + +**Known Limitations:** + +- Cannot test VFS.move failures — the in-memory filesystem never fails +- Cannot `enable-sync` while the server is paused — the WebSocket connection will time out +- The empty-parent 3-way merge (used for smart creates) can produce garbled word boundaries — check for fragments, not exact substrings +- The test harness can hang during shared server cleanup when transitioning to server-pause tests + +## Code Style and Formatting ### Rust -- Uses extensive Clippy lints (see Cargo.toml) -- Follows pedantic linting rules + +- Extensive Clippy lints (see `Cargo.toml`) +- Pedantic linting rules enabled - Forbids unsafe code -- Uses cargo fmt with default settings +- Uses `rustfmt.toml` for formatting configuration (4 spaces, Unix line endings) +- Run `cargo fmt --all` to format ### TypeScript -- Prettier configuration: 4-space tabs, trailing commas removed, LF line endings -- ESLint with unused imports plugin -- Consistent across all three frontend packages + +- **Prettier**: 4-space indentation, no trailing commas, LF line endings +- **YAML/Markdown override**: 2-space indentation (via prettier config) +- **ESLint**: Strict rules with unused imports detection +- Configuration in `frontend/package.json` +- Run `npm run lint` to format and fix issues + +### Svelte (History UI) + +- Uses Svelte 5 runes syntax (`$state`, `$derived`, `$effect`, `$props`) +- Vite as bundler with `@sveltejs/vite-plugin-svelte` +- Excluded from the main ESLint config (Svelte files need different linting); `history-ui/**` is in the eslint ignores list +- CSS is component-scoped via Svelte's ` diff --git a/frontend/history-ui/src/app.css b/frontend/history-ui/src/app.css new file mode 100644 index 00000000..ff3e6a9c --- /dev/null +++ b/frontend/history-ui/src/app.css @@ -0,0 +1,101 @@ +:root { + --bg: #0d1117; + --bg-secondary: #161b22; + --bg-tertiary: #21262d; + --bg-hover: #30363d; + --border: #30363d; + --border-light: #21262d; + --text: #e6edf3; + --text-muted: #8b949e; + --text-subtle: #6e7681; + --accent: #58a6ff; + --accent-hover: #79c0ff; + --green: #3fb950; + --green-bg: rgba(63, 185, 80, 0.15); + --red: #f85149; + --red-bg: rgba(248, 81, 73, 0.15); + --orange: #d29922; + --orange-bg: rgba(210, 153, 34, 0.15); + --purple: #bc8cff; + --purple-bg: rgba(188, 140, 255, 0.15); + --blue: #58a6ff; + --blue-bg: rgba(88, 166, 255, 0.15); + --mono: "SF Mono", "Fira Code", "Fira Mono", Menlo, Consolas, monospace; + --sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Noto Sans, Helvetica, Arial, sans-serif; + --radius: 6px; + --radius-sm: 4px; + --shadow: 0 1px 3px rgba(0, 0, 0, 0.3); +} + +* { + margin: 0; + padding: 0; + box-sizing: border-box; +} + +html, body, #app { + height: 100%; + width: 100%; + overflow: hidden; +} + +body { + font-family: var(--sans); + font-size: 14px; + line-height: 1.5; + color: var(--text); + background: var(--bg); + -webkit-font-smoothing: antialiased; +} + +button { + font-family: inherit; + font-size: inherit; + cursor: pointer; + border: none; + background: none; + color: inherit; +} + +input { + font-family: inherit; + font-size: inherit; + color: inherit; + background: var(--bg); + border: 1px solid var(--border); + border-radius: var(--radius); + padding: 8px 12px; + outline: none; + transition: border-color 0.15s; +} + +input:focus { + border-color: var(--accent); +} + +a { + color: var(--accent); + text-decoration: none; +} + +a:hover { + text-decoration: underline; +} + +::-webkit-scrollbar { + width: 8px; + height: 8px; +} + +::-webkit-scrollbar-track { + background: transparent; +} + +::-webkit-scrollbar-thumb { + background: var(--bg-tertiary); + border-radius: 4px; +} + +::-webkit-scrollbar-thumb:hover { + background: var(--bg-hover); +} diff --git a/frontend/history-ui/src/components/ActivityFeed.svelte b/frontend/history-ui/src/components/ActivityFeed.svelte new file mode 100644 index 00000000..c1c82c29 --- /dev/null +++ b/frontend/history-ui/src/components/ActivityFeed.svelte @@ -0,0 +1,346 @@ + + +
+ {#if loading && versions.length === 0} +
Loading activity...
+ {:else if versions.length === 0} +
+ No activity yet. Documents will appear here as sync clients + make changes. +
+ {:else} + {#each grouped as group} +
+
{group.date}
+
+ {#each group.items as event} +
+ + +
+ {/each} +
+
+ {/each} + + {#if hasMore} +
+ +
+ {/if} + {/if} +
+ + diff --git a/frontend/history-ui/src/components/ConfirmDialog.svelte b/frontend/history-ui/src/components/ConfirmDialog.svelte new file mode 100644 index 00000000..e91f790a --- /dev/null +++ b/frontend/history-ui/src/components/ConfirmDialog.svelte @@ -0,0 +1,167 @@ + + + + + + + + diff --git a/frontend/history-ui/src/components/Dashboard.svelte b/frontend/history-ui/src/components/Dashboard.svelte new file mode 100644 index 00000000..807b4f8d --- /dev/null +++ b/frontend/history-ui/src/components/Dashboard.svelte @@ -0,0 +1,511 @@ + + +
+
+ +
+ + + + +
+ {#if maxUpdateId > 0} +
+ { + timeSliderValue = v; + }} + /> +
+ {/if} + + {#if selectedDocumentId} + nav.goHome()} + onRestore={handleRefresh} + /> + {:else} +
+ + +
+ + {#if activeTab === "activity"} + { + timeSliderValue = id >= maxUpdateId ? null : id; + }} + /> + {:else} +
+ {#each latestDocuments + .filter((d) => showDeleted || !d.isDeleted) + .sort((a, b) => b.vaultUpdateId - a.vaultUpdateId) as doc} + + {/each} +
+ {/if} + {/if} +
+
+
+ + diff --git a/frontend/history-ui/src/components/DiffView.svelte b/frontend/history-ui/src/components/DiffView.svelte new file mode 100644 index 00000000..be97952c --- /dev/null +++ b/frontend/history-ui/src/components/DiffView.svelte @@ -0,0 +1,288 @@ + + +
+
+ {oldLabel} + → + {newLabel} + + +{stats.added} + -{stats.removed} + +
+
+ {#each diffLines as line} +
+ + {line.oldLineNo ?? ""} + + + {line.newLineNo ?? ""} + + + {#if line.type === "add"}+{:else if line.type === "remove"}-{:else} {/if} + + {line.content} +
+ {/each} +
+
+ + diff --git a/frontend/history-ui/src/components/DocumentDetail.svelte b/frontend/history-ui/src/components/DocumentDetail.svelte new file mode 100644 index 00000000..556a5e8d --- /dev/null +++ b/frontend/history-ui/src/components/DocumentDetail.svelte @@ -0,0 +1,712 @@ + + +
+ +
+ +
+
+ + {currentPath} + + {#if isDeleted} + Deleted + {:else} + Active + {/if} +
+
+ + {documentId.substring(0, 8)}... + + {#if latest} + · + {versions.length} version{versions.length !== 1 ? "s" : ""} + · + Last by {latest.userId} + {/if} +
+
+
+ + {#if loading} +
Loading versions...
+ {:else} + +
+
+ {#if selectedVersion} +
+ + +
+ + Viewing v#{selectedVersion.vaultUpdateId} + · + {relativeTime(selectedVersion.updatedDate)} + +
+ +
+ {#if loadingContent} +
Loading content...
+ {:else if activeTab === "diff" && diffOldContent !== null && diffNewContent !== null} + + {:else if activeTab === "preview"} + {#if isTextFile(selectedVersion.relativePath) || fileExtension(selectedVersion.relativePath) === ""} + 
{loadedContent ?? ""}
+ {:else if isImageFile(selectedVersion.relativePath) && loadedContentBytes} +
+ {selectedVersion.relativePath} +
+ {:else} +
+
📦
+
Binary file
+
+ {formatBytes(selectedVersion.contentSize)} +
+
+ {/if} + {/if} +
+ {/if} +
+ + +
+
Version History
+
+ {#each [...versionEvents].reverse() as event, i} + {@const v = event.version} + {@const isSelected = selectedVersion?.vaultUpdateId === v.vaultUpdateId} +
+ + {#if event.previousPath} +
+ {event.previousPath} → {v.relativePath} +
+ {/if} +
+ {#if i < versionEvents.length - 1} + + {/if} + {#if v !== latest} + + {/if} +
+
+ {/each} +
+
+
+ {/if} +
+ +{#if showRestoreDialog && restoreTarget} + { + showRestoreDialog = false; + restoreTarget = null; + }} + /> +{/if} + + diff --git a/frontend/history-ui/src/components/FileTree.svelte b/frontend/history-ui/src/components/FileTree.svelte new file mode 100644 index 00000000..ec72cbf9 --- /dev/null +++ b/frontend/history-ui/src/components/FileTree.svelte @@ -0,0 +1,124 @@ + + +{#if node.isFolder && depth === 0} + {#each node.children as child} + + {/each} +{:else if node.isFolder} +
+ + {#if isExpanded(node.path)} + {#each node.children as child} + + {/each} + {/if} +
+{:else} + +{/if} + + diff --git a/frontend/history-ui/src/components/Header.svelte b/frontend/history-ui/src/components/Header.svelte new file mode 100644 index 00000000..8e635224 --- /dev/null +++ b/frontend/history-ui/src/components/Header.svelte @@ -0,0 +1,144 @@ + + +
+
+ + + + + + VaultLink + / + {vaultId} +
+ +
+ v{serverVersion} + + {#if auth.availableVaults.length > 1} + + {/if} + +
+
+ + diff --git a/frontend/history-ui/src/components/Login.svelte b/frontend/history-ui/src/components/Login.svelte new file mode 100644 index 00000000..8d331966 --- /dev/null +++ b/frontend/history-ui/src/components/Login.svelte @@ -0,0 +1,176 @@ + + + + + diff --git a/frontend/history-ui/src/components/TimeSlider.svelte b/frontend/history-ui/src/components/TimeSlider.svelte new file mode 100644 index 00000000..79e9e5de --- /dev/null +++ b/frontend/history-ui/src/components/TimeSlider.svelte @@ -0,0 +1,191 @@ + + +
+
+ + + + + Time Travel +
+ +
+ +
+ +
+ {#if isNow} + Now + {:else if currentVersion} + + #{value} + · + {relativeTime(currentVersion.updatedDate)} + + {:else} + #{value} + {/if} +
+ + {#if !isNow} + + {/if} +
+ + diff --git a/frontend/history-ui/src/components/ToastContainer.svelte b/frontend/history-ui/src/components/ToastContainer.svelte new file mode 100644 index 00000000..39ab1705 --- /dev/null +++ b/frontend/history-ui/src/components/ToastContainer.svelte @@ -0,0 +1,80 @@ + + +{#if toasts.items.length > 0} +
+ {#each toasts.items as toast (toast.id)} +
+ {toast.message} + +
+ {/each} +
+{/if} + + diff --git a/frontend/history-ui/src/components/VaultPicker.svelte b/frontend/history-ui/src/components/VaultPicker.svelte new file mode 100644 index 00000000..1bd64165 --- /dev/null +++ b/frontend/history-ui/src/components/VaultPicker.svelte @@ -0,0 +1,198 @@ + + +
+
+
+ +
+ + {#if auth.availableVaults.length === 0} +
+

No vaults found

+

+ Vaults are created when a sync client first connects. +

+
+ {:else} +
    + {#each auth.availableVaults as vault} +
  • + +
    • + {/each} +
+ {/if} +
+
+ + diff --git a/frontend/history-ui/src/lib/api.ts b/frontend/history-ui/src/lib/api.ts new file mode 100644 index 00000000..6d52a0f7 --- /dev/null +++ b/frontend/history-ui/src/lib/api.ts @@ -0,0 +1,121 @@ +import type { + DocumentVersion, + DocumentVersionWithoutContent, + FetchLatestDocumentsResponse, + ListVaultsResponse, + PingResponse, + VaultHistoryResponse +} from "./types"; + +async function fetchJsonWithToken( + path: string, + token: string, + init?: RequestInit +): Promise { + const response = await fetch(path, { + ...init, + headers: { + Authorization: `Bearer ${token}`, + "device-id": "history-ui", + ...init?.headers + } + }); + if (!response.ok) { + const body = await response.text(); + throw new Error(`HTTP ${response.status}: ${body}`); + } + return response.json() as Promise; +} + +export async function listVaults( + token: string +): Promise { + return fetchJsonWithToken("/vaults", token); +} + +export class ApiClient { + constructor( + private vaultId: string, + private token: string + ) {} + + private get baseUrl(): string { + return `/vaults/${encodeURIComponent(this.vaultId)}`; + } + + private async fetchJson( + path: string, + init?: RequestInit + ): Promise { + return fetchJsonWithToken(path, this.token, init); + } + + async ping(): Promise { + return this.fetchJson(`${this.baseUrl}/ping`); + } + + async fetchLatestDocuments(): Promise { + return this.fetchJson(`${this.baseUrl}/documents`); + } + + async fetchDocumentVersions( + documentId: string + ): Promise { + return this.fetchJson( + `${this.baseUrl}/documents/${documentId}/versions` + ); + } + + async fetchDocumentVersion( + documentId: string, + vaultUpdateId: number + ): Promise { + return this.fetchJson( + `${this.baseUrl}/documents/${documentId}/versions/${vaultUpdateId}` + ); + } + + async fetchDocumentVersionContent( + documentId: string, + vaultUpdateId: number + ): Promise { + const response = await fetch( + `${this.baseUrl}/documents/${documentId}/versions/${vaultUpdateId}/content`, + { headers: this.headers() } + ); + if (!response.ok) { + throw new Error(`HTTP ${response.status}`); + } + return response.arrayBuffer(); + } + + async fetchVaultHistory( + limit?: number, + beforeUpdateId?: number + ): Promise { + const params = new URLSearchParams(); + if (limit !== undefined) params.set("limit", String(limit)); + if (beforeUpdateId !== undefined) + params.set("before_update_id", String(beforeUpdateId)); + const qs = params.toString(); + return this.fetchJson( + `${this.baseUrl}/history${qs ? `?${qs}` : ""}` + ); + } + + async restoreVersion( + documentId: string, + vaultUpdateId: number + ): Promise { + return this.fetchJson( + `${this.baseUrl}/documents/${documentId}/restore`, + { + method: "POST", + headers: { + "Content-Type": "application/json" + }, + body: JSON.stringify({ vaultUpdateId }) + } + ); + } +} diff --git a/frontend/history-ui/src/lib/stores.svelte.ts b/frontend/history-ui/src/lib/stores.svelte.ts new file mode 100644 index 00000000..fcba5340 --- /dev/null +++ b/frontend/history-ui/src/lib/stores.svelte.ts @@ -0,0 +1,305 @@ +import { ApiClient } from "./api"; +import type { + DocumentVersionWithoutContent, + VaultInfo, + VersionEvent, + ActionType, + TreeNode +} from "./types"; + +class AuthStore { + token = $state(""); + userName = $state(""); + vaultId = $state(""); + serverVersion = $state(""); + availableVaults = $state([]); + isAuthenticated = $state(false); + api = $state(null); + + authenticate( + token: string, + userName: string, + vaults: VaultInfo[] + ) { + this.token = token; + this.userName = userName; + this.availableVaults = vaults; + sessionStorage.setItem("vaultlink_token", token); + } + + selectVault(vaultId: string) { + this.vaultId = vaultId; + this.isAuthenticated = true; + this.api = new ApiClient(vaultId, this.token); + sessionStorage.setItem("vaultlink_vault", vaultId); + } + + deselectVault() { + this.vaultId = ""; + this.isAuthenticated = false; + this.api = null; + sessionStorage.removeItem("vaultlink_vault"); + } + + logout() { + this.token = ""; + this.userName = ""; + this.vaultId = ""; + this.serverVersion = ""; + this.availableVaults = []; + this.isAuthenticated = false; + this.api = null; + sessionStorage.removeItem("vaultlink_token"); + sessionStorage.removeItem("vaultlink_vault"); + } + + tryRestore(): { token: string; vaultId?: string } | null { + const token = sessionStorage.getItem("vaultlink_token"); + if (!token) return null; + const vaultId = + sessionStorage.getItem("vaultlink_vault") ?? undefined; + return { token, vaultId }; + } +} + +export const auth = new AuthStore(); + +// Navigation +export type View = + | { kind: "dashboard" } + | { kind: "document"; documentId: string }; + +class NavStore { + current = $state({ kind: "dashboard" }); + + goto(view: View) { + this.current = view; + } + + goHome() { + this.current = { kind: "dashboard" }; + } +} + +export const nav = new NavStore(); + +// Toasts +export interface Toast { + id: number; + message: string; + type: "success" | "error" | "info"; +} + +class ToastStore { + items = $state([]); + private nextId = 0; + + add(message: string, type: Toast["type"] = "info") { + const id = this.nextId++; + this.items.push({ id, message, type }); + setTimeout(() => this.dismiss(id), 5000); + } + + dismiss(id: number) { + this.items = this.items.filter((t) => t.id !== id); + } +} + +export const toasts = new ToastStore(); + +// Utilities + +export function inferAction( + version: DocumentVersionWithoutContent, + previousVersion?: DocumentVersionWithoutContent +): ActionType { + if (version.isDeleted) return "deleted"; + if (!previousVersion) return "created"; + if ( + previousVersion.isDeleted && + !version.isDeleted + ) + return "restored"; + if (previousVersion.relativePath !== version.relativePath) + return "renamed"; + return "updated"; +} + +export function enrichVersions( + versions: DocumentVersionWithoutContent[] +): VersionEvent[] { + // versions should be sorted by vaultUpdateId ascending + const sorted = [...versions].sort( + (a, b) => a.vaultUpdateId - b.vaultUpdateId + ); + const byDoc = new Map(); + for (const v of sorted) { + let arr = byDoc.get(v.documentId); + if (!arr) { + arr = []; + byDoc.set(v.documentId, arr); + } + arr.push(v); + } + + return sorted.map((v) => { + const docVersions = byDoc.get(v.documentId)!; + const idx = docVersions.indexOf(v); + const prev = idx > 0 ? docVersions[idx - 1] : undefined; + const action = inferAction(v, prev); + return { + ...v, + action, + previousPath: + action === "renamed" ? prev?.relativePath : undefined + }; + }); +} + +export function buildTree( + documents: DocumentVersionWithoutContent[], + showDeleted: boolean +): TreeNode { + const root: TreeNode = { + name: "", + path: "", + isFolder: true, + children: [] + }; + + const filtered = showDeleted + ? documents + : documents.filter((d) => !d.isDeleted); + + for (const doc of filtered) { + const parts = doc.relativePath.split("/"); + let current = root; + + for (let i = 0; i < parts.length; i++) { + const part = parts[i]; + const isFile = i === parts.length - 1; + const path = parts.slice(0, i + 1).join("/"); + + if (isFile) { + current.children.push({ + name: part, + path, + isFolder: false, + children: [], + document: doc, + isDeleted: doc.isDeleted + }); + } else { + let folder = current.children.find( + (c) => c.isFolder && c.name === part + ); + if (!folder) { + folder = { + name: part, + path, + isFolder: true, + children: [] + }; + current.children.push(folder); + } + current = folder; + } + } + } + + sortTree(root); + return root; +} + +function sortTree(node: TreeNode) { + node.children.sort((a, b) => { + if (a.isFolder !== b.isFolder) return a.isFolder ? -1 : 1; + return a.name.localeCompare(b.name); + }); + for (const child of node.children) { + if (child.isFolder) sortTree(child); + } +} + +export function relativeTime(dateStr: string): string { + const date = new Date(dateStr); + const now = Date.now(); + const diff = now - date.getTime(); + const seconds = Math.floor(diff / 1000); + const minutes = Math.floor(seconds / 60); + const hours = Math.floor(minutes / 60); + const days = Math.floor(hours / 24); + + if (seconds < 60) return "just now"; + if (minutes < 60) return `${minutes}m ago`; + if (hours < 24) return `${hours}h ago`; + if (days < 7) return `${days}d ago`; + return date.toLocaleDateString("en-US", { + month: "short", + day: "numeric", + year: days > 365 ? "numeric" : undefined + }); +} + +export function absoluteTime(dateStr: string): string { + return new Date(dateStr).toLocaleString(); +} + +export function formatBytes(bytes: number): string { + if (bytes === 0) return "0 B"; + const k = 1024; + const sizes = ["B", "KB", "MB", "GB"]; + const i = Math.floor(Math.log(bytes) / Math.log(k)); + return `${parseFloat((bytes / Math.pow(k, i)).toFixed(1))} ${sizes[i]}`; +} + +export function fileExtension(path: string): string { + const dot = path.lastIndexOf("."); + return dot > -1 ? path.substring(dot + 1).toLowerCase() : ""; +} + +export function isTextFile(path: string): boolean { + const textExts = new Set([ + "md", + "txt", + "json", + "yaml", + "yml", + "toml", + "xml", + "html", + "css", + "js", + "ts", + "svelte", + "rs", + "py", + "sh", + "bash", + "zsh", + "csv", + "svg", + "log", + "conf", + "cfg", + "ini", + "env", + "gitignore", + "editorconfig" + ]); + return textExts.has(fileExtension(path)); +} + +export function isImageFile(path: string): boolean { + const imageExts = new Set([ + "png", + "jpg", + "jpeg", + "gif", + "webp", + "svg", + "ico", + "bmp" + ]); + return imageExts.has(fileExtension(path)); +} diff --git a/frontend/history-ui/src/lib/types/ListVaultsResponse.ts b/frontend/history-ui/src/lib/types/ListVaultsResponse.ts new file mode 100644 index 00000000..92b2b3e0 --- /dev/null +++ b/frontend/history-ui/src/lib/types/ListVaultsResponse.ts @@ -0,0 +1,7 @@ +// This file was generated by [ts-rs](https://github.com/Aleph-Alpha/ts-rs). Do not edit this file manually. +import type { VaultInfo } from "./VaultInfo"; + +/** + * Response to listing vaults accessible to the authenticated user. + */ +export type ListVaultsResponse = { vaults: Array, hasMore: boolean, userName: string, }; diff --git a/frontend/history-ui/src/lib/types/VaultInfo.ts b/frontend/history-ui/src/lib/types/VaultInfo.ts new file mode 100644 index 00000000..32373346 --- /dev/null +++ b/frontend/history-ui/src/lib/types/VaultInfo.ts @@ -0,0 +1,6 @@ +// This file was generated by [ts-rs](https://github.com/Aleph-Alpha/ts-rs). Do not edit this file manually. + +/** + * Summary of a single vault returned by the list-vaults endpoint. + */ +export type VaultInfo = { name: string, documentCount: number, createdAt: string | null, }; diff --git a/frontend/history-ui/src/main.ts b/frontend/history-ui/src/main.ts new file mode 100644 index 00000000..c72cabd0 --- /dev/null +++ b/frontend/history-ui/src/main.ts @@ -0,0 +1,7 @@ +import { mount } from "svelte"; +import App from "./App.svelte"; +import "./app.css"; + +const app = mount(App, { target: document.getElementById("app")! }); + +export default app; diff --git a/frontend/history-ui/svelte.config.js b/frontend/history-ui/svelte.config.js new file mode 100644 index 00000000..76a68bfc --- /dev/null +++ b/frontend/history-ui/svelte.config.js @@ -0,0 +1,5 @@ +import { vitePreprocess } from "@sveltejs/vite-plugin-svelte"; + +export default { + preprocess: vitePreprocess() +}; diff --git a/frontend/history-ui/tsconfig.json b/frontend/history-ui/tsconfig.json new file mode 100644 index 00000000..216dc140 --- /dev/null +++ b/frontend/history-ui/tsconfig.json @@ -0,0 +1,16 @@ +{ + "compilerOptions": { + "target": "ESNext", + "module": "ESNext", + "moduleResolution": "bundler", + "strict": true, + "esModuleInterop": true, + "skipLibCheck": true, + "forceConsistentCasingInFileNames": true, + "resolveJsonModule": true, + "isolatedModules": true, + "verbatimModuleSyntax": true, + "types": ["svelte"] + }, + "include": ["src/**/*", "src/**/*.svelte"] +} diff --git a/frontend/history-ui/vite.config.ts b/frontend/history-ui/vite.config.ts new file mode 100644 index 00000000..18f6be82 --- /dev/null +++ b/frontend/history-ui/vite.config.ts @@ -0,0 +1,15 @@ +import { defineConfig } from "vite"; +import { svelte } from "@sveltejs/vite-plugin-svelte"; + +export default defineConfig({ + plugins: [svelte()], + build: { + outDir: "dist", + emptyOutDir: true + }, + server: { + proxy: { + "/vaults": "http://localhost:3010" + } + } +}); diff --git a/frontend/package-lock.json b/frontend/package-lock.json index 6b8d31f3..f0c60c83 100644 --- a/frontend/package-lock.json +++ b/frontend/package-lock.json @@ -1423,13 +1423,6 @@ "dev": true, "license": "MIT" }, - "node_modules/@types/murmurhash3js-revisited": { - "version": "3.0.3", - "resolved": "https://registry.npmjs.org/@types/murmurhash3js-revisited/-/murmurhash3js-revisited-3.0.3.tgz", - "integrity": "sha512-QvlqvYtGBYIDeO8dFdY4djkRubcrc+yTJtBc7n8VZPlJDUS/00A+PssbvERM8f9bYRmcaSEHPZgZojeQj7kzAA==", - "dev": true, - "license": "MIT" - }, "node_modules/@types/node": { "version": "25.0.2", "resolved": "https://registry.npmjs.org/@types/node/-/node-25.0.2.tgz", @@ -3965,15 +3958,6 @@ "dev": true, "license": "MIT" }, - "node_modules/murmurhash3js-revisited": { - "version": "3.0.0", - "resolved": "https://registry.npmjs.org/murmurhash3js-revisited/-/murmurhash3js-revisited-3.0.0.tgz", - "integrity": "sha512-/sF3ee6zvScXMb1XFJ8gDsSnY+X8PbOyjIuBhtgis10W2Jx4ZjIhikUCIF9c4gpJxVnQIsPAFrSwTCuAjicP6g==", - "license": "MIT", - "engines": { - "node": ">=8.0.0" - } - }, "node_modules/nanoid": { "version": "3.3.11", "dev": true, @@ -5911,17 +5895,13 @@ }, "sync-client": { "version": "0.14.0", - "dependencies": { - "murmurhash3js-revisited": "^3.0.0" - }, "devDependencies": { "@sentry/browser": "^10.30.0", - "@types/murmurhash3js-revisited": "^3.0.3", "@types/node": "^25.0.2", "byte-base64": "^1.1.0", "minimatch": "^10.1.1", "p-queue": "^9.0.1", - "reconcile-text": "^0.11.0", + "reconcile-text": "^0.8.0", "ts-loader": "^9.5.4", "tslib": "2.8.1", "tsx": "^4.21.0", @@ -5946,6 +5926,13 @@ "url": "https://github.com/sponsors/isaacs" } }, + "sync-client/node_modules/reconcile-text": { + "version": "0.8.0", + "resolved": "https://registry.npmjs.org/reconcile-text/-/reconcile-text-0.8.0.tgz", + "integrity": "sha512-evskVha3YgpP2ZelsFxP9t7CuKnwE7TrsH3FdrH2mfKbzjUWiNF7scHXsFbFS921lmFlAOB94DHNAWPvL34Mqg==", + "dev": true, + "license": "MIT" + }, "test-client": { "version": "0.14.0", "bin": { diff --git a/frontend/sync-client/src/file-operations/file-operations.test.ts b/frontend/sync-client/src/file-operations/file-operations.test.ts index 27724ee9..bad1ebb6 100644 --- a/frontend/sync-client/src/file-operations/file-operations.test.ts +++ b/frontend/sync-client/src/file-operations/file-operations.test.ts @@ -1,9 +1,6 @@ import { describe, it } from "node:test"; -import type { - Database, - DocumentRecord, - RelativePath -} from "../persistence/database"; +import type { DocumentId, DocumentRecord, RelativePath } from "../sync-operations/types"; +import type { SyncEventQueue } from "../sync-operations/sync-event-queue"; import { FileOperations } from "./file-operations"; import { Logger } from "../tracing/logger"; import { assertSetContainsExactly } from "../utils/assert-set-contains-exactly"; @@ -21,19 +18,18 @@ class MockServerConfig implements Pick { } } -class MockDatabase implements Partial { - public getLatestDocumentByRelativePath( - _target: RelativePath +class MockQueue implements Pick { + public getDocument( + _path: RelativePath ): DocumentRecord | undefined { - // no-op return undefined; } - public move( - _oldRelativePath: RelativePath, - _newRelativePath: RelativePath - ): void { - // no-op + public moveDocument( + _oldPath: RelativePath, + _newPath: RelativePath + ): DocumentId | undefined { + return undefined; } } @@ -89,7 +85,7 @@ describe("File operations", () => { const fileSystemOperations = new FakeFileSystemOperations(); const fileOperations = new FileOperations( new Logger(), - new MockDatabase() as Database, // eslint-disable-line @typescript-eslint/no-unsafe-type-assertion + new MockQueue() as SyncEventQueue, // eslint-disable-line @typescript-eslint/no-unsafe-type-assertion fileSystemOperations, new MockServerConfig() as ServerConfig // eslint-disable-line @typescript-eslint/no-unsafe-type-assertion ); @@ -119,7 +115,7 @@ describe("File operations", () => { const fileSystemOperations = new FakeFileSystemOperations(); const fileOperations = new FileOperations( new Logger(), - new MockDatabase() as Database, // eslint-disable-line @typescript-eslint/no-unsafe-type-assertion + new MockQueue() as SyncEventQueue, // eslint-disable-line @typescript-eslint/no-unsafe-type-assertion fileSystemOperations, new MockServerConfig() as ServerConfig // eslint-disable-line @typescript-eslint/no-unsafe-type-assertion ); @@ -159,7 +155,7 @@ describe("File operations", () => { const fileSystemOperations = new FakeFileSystemOperations(); const fileOperations = new FileOperations( new Logger(), - new MockDatabase() as Database, // eslint-disable-line @typescript-eslint/no-unsafe-type-assertion + new MockQueue() as SyncEventQueue, // eslint-disable-line @typescript-eslint/no-unsafe-type-assertion fileSystemOperations, new MockServerConfig() as ServerConfig // eslint-disable-line @typescript-eslint/no-unsafe-type-assertion ); @@ -178,7 +174,7 @@ describe("File operations", () => { const fileSystemOperations = new FakeFileSystemOperations(); const fileOperations = new FileOperations( new Logger(), - new MockDatabase() as Database, // eslint-disable-line @typescript-eslint/no-unsafe-type-assertion + new MockQueue() as SyncEventQueue, // eslint-disable-line @typescript-eslint/no-unsafe-type-assertion fileSystemOperations, new MockServerConfig() as ServerConfig // eslint-disable-line @typescript-eslint/no-unsafe-type-assertion ); @@ -207,7 +203,7 @@ describe("File operations", () => { const fileSystemOperations = new FakeFileSystemOperations(); const fileOperations = new FileOperations( new Logger(), - new MockDatabase() as Database, // eslint-disable-line @typescript-eslint/no-unsafe-type-assertion + new MockQueue() as SyncEventQueue, // eslint-disable-line @typescript-eslint/no-unsafe-type-assertion fileSystemOperations, new MockServerConfig() as ServerConfig // eslint-disable-line @typescript-eslint/no-unsafe-type-assertion ); diff --git a/frontend/sync-client/src/file-operations/file-operations.ts b/frontend/sync-client/src/file-operations/file-operations.ts index 863f62af..cc47076b 100644 --- a/frontend/sync-client/src/file-operations/file-operations.ts +++ b/frontend/sync-client/src/file-operations/file-operations.ts @@ -1,6 +1,7 @@ import type { Logger } from "../tracing/logger"; import type { FileSystemOperations } from "./filesystem-operations"; -import type { Database, RelativePath } from "../persistence/database"; +import type { RelativePath } from "../sync-operations/types"; +import type { SyncEventQueue } from "../sync-operations/sync-event-queue"; import { SafeFileSystemOperations } from "./safe-filesystem-operations"; import type { TextWithCursors } from "reconcile-text"; import { reconcile } from "reconcile-text"; @@ -14,7 +15,7 @@ export class FileOperations { public constructor( private readonly logger: Logger, - private readonly database: Database, + private readonly queue: SyncEventQueue, fs: FileSystemOperations, private readonly serverConfig: ServerConfig, private readonly nativeLineEndings = "\n" @@ -58,7 +59,10 @@ export class FileOperations { return this.fs.write(path, this.toNativeLineEndings(newContent)); } - public async ensureClearPath(path: RelativePath): Promise { + // Returns the deconflicted path if a file was moved, undefined otherwise + public async ensureClearPath( + path: RelativePath + ): Promise { if (await this.fs.exists(path)) { const deconflictedPath = await this.deconflictPath(path); try { @@ -66,14 +70,16 @@ export class FileOperations { `Didn't expect ${path} to exist, deconflicting by moving it to '${deconflictedPath}'` ); - this.database.move(path, deconflictedPath); + this.queue.moveDocument(path, deconflictedPath); await this.fs.rename(path, deconflictedPath, true); + return deconflictedPath; } finally { this.fs.unlock(deconflictedPath); } } else { await this.createParentDirectories(path); } + return undefined; } /** @@ -160,21 +166,24 @@ export class FileOperations { return this.fs.exists(path); } + // Returns the deconflicted path if a file at the target was displaced public async move( oldPath: RelativePath, newPath: RelativePath - ): Promise { + ): Promise { if (oldPath === newPath) { - return; + return undefined; } - await this.ensureClearPath(newPath); - this.database.move(oldPath, newPath); + const deconflictedPath = await this.ensureClearPath(newPath); + this.queue.moveDocument(oldPath, newPath); await this.fs.rename(oldPath, newPath); await this.deletingEmptyParentDirectoriesOfDeletedFile(oldPath); + return deconflictedPath; } + public reset(): void { this.fs.reset(); } @@ -274,17 +283,15 @@ export class FileOperations { newName = `${directory}${stem} (${currentCount})${extension}`; // Avoid multiple deconflictPath calls returning the same path - if (this.fs.tryLock(newName)) { - const newDocument = - this.database.getLatestDocumentByRelativePath(newName); - if ( - newDocument?.isDeleted === false || // the document might have been confirmed by the server at a new path but haven't yet moved there locally - (await this.fs.exists(newName, true)) - ) { - this.fs.unlock(newName); - } else { - return newName; - } + await this.fs.waitForLock(newName); + const existingRecord = this.queue.getDocument(newName); + if ( + existingRecord !== undefined || // the document might have been confirmed by the server at a new path but haven't yet moved there locally + (await this.fs.exists(newName, true)) + ) { + this.fs.unlock(newName); + } else { + return newName; } } } diff --git a/frontend/sync-client/src/persistence/database.ts b/frontend/sync-client/src/persistence/database.ts index 2a5e901e..72f15fbd 100644 --- a/frontend/sync-client/src/persistence/database.ts +++ b/frontend/sync-client/src/persistence/database.ts @@ -1,301 +1,2 @@ -import type { Logger } from "../tracing/logger"; -import { EMPTY_HASH } from "../utils/hash"; -import { CoveredValues } from "../utils/data-structures/min-covered"; -import { awaitAll } from "../utils/await-all"; -import { removeFromArray } from "../utils/remove-from-array"; - -export type VaultUpdateId = number; -export type DocumentId = string; -export type RelativePath = string; - -export interface DocumentMetadata { - documentId: DocumentId; - parentVersionId: VaultUpdateId; - hash: string; - remoteRelativePath?: RelativePath; -} - -export interface StoredDocumentMetadata { - relativePath: RelativePath; - documentId: DocumentId; - parentVersionId: VaultUpdateId; - remoteRelativePath?: RelativePath; - hash: string; -} - -export interface StoredDatabase { - documents: StoredDocumentMetadata[]; - lastSeenUpdateId: VaultUpdateId | undefined; -} - -/** - * Represents a document in the database. - * - * It is mutable and its content should always represent the latest - * state of the document on disk based on the update events we have seen. - */ -export interface DocumentRecord { - relativePath: RelativePath; - metadata: DocumentMetadata | undefined; - isDeleted: boolean; - parallelVersion: number; -} - -export class Database { - private documents: DocumentRecord[]; - private lastSeenUpdateIds: CoveredValues; - - public constructor( - private readonly logger: Logger, - initialState: Partial | undefined, - private readonly saveData: (data: StoredDatabase) => Promise - ) { - initialState ??= {}; - - this.documents = - initialState.documents?.map(({ relativePath, ...metadata }) => ({ - relativePath, - metadata, - isDeleted: false, - parallelVersion: 0 - })) ?? []; - - this.ensureConsistency(); - this.logger.debug(`Loaded ${this.documents.length} documents`); - - const { lastSeenUpdateId } = initialState; - this.logger.debug(`Loaded last seen update id: ${lastSeenUpdateId}`); - this.lastSeenUpdateIds = new CoveredValues( - Math.max(0, lastSeenUpdateId ?? 0) // the first updateId will be 1 which is the first integer after -1 - ); - - this.documents.forEach((doc) => { - this.lastSeenUpdateIds.add(doc.metadata?.parentVersionId); - }); - } - - public get length(): number { - return this.documents.length; - } - - public get resolvedDocuments(): DocumentRecord[] { - const paths = new Map(); - this.documents - // eslint-disable-next-line no-restricted-syntax -- Type narrowing, not removing a specific item - .filter(({ metadata }) => metadata !== undefined) - .forEach((record) => - paths.set(record.relativePath, [ - record, - ...(paths.get(record.relativePath) ?? []) - ]) - ); - - return Array.from(paths.values()).map((records) => { - records.sort( - (a, b) => b.parallelVersion - a.parallelVersion // descending - ); - - if ( - records.length > 1 && - records.some((current, i) => - i === 0 - ? false - : records[i - 1].parallelVersion === - current.parallelVersion - ) - ) { - throw new Error( - `Multiple documents with the same parallel version and path at ${records[0].relativePath}` - ); - } - return records[0]; - }); - } - - public updateDocumentMetadata( - metadata: { - documentId: DocumentId; - parentVersionId: VaultUpdateId; - hash: string; - remoteRelativePath: RelativePath; - }, - target: DocumentRecord - ): void { - if (!this.documents.includes(target)) { - throw new Error("Document not found in database"); - } - - this.logger.debug( - `Updating document metadata for ${target.relativePath} from ${JSON.stringify( - target.metadata, - null, - 2 - )} to ${JSON.stringify(metadata, null, 2)}` - ); - - target.metadata = metadata; - - this.saveInTheBackground(); - } - - public getLatestDocumentByRelativePath( - target: RelativePath - ): DocumentRecord | undefined { - const candidates = this.documents.filter( - ({ relativePath }) => relativePath === target - ); - candidates.sort((a, b) => b.parallelVersion - a.parallelVersion); // descending - return candidates[0]; - } - - public createNewPendingDocument( - relativePath: RelativePath - ): DocumentRecord { - this.logger.debug(`Creating new pending document: ${relativePath}`); - const previousEntry = - this.getLatestDocumentByRelativePath(relativePath); - - const entry = { - relativePath, - metadata: undefined, - isDeleted: false, - parallelVersion: - previousEntry?.parallelVersion === undefined - ? 0 - : previousEntry.parallelVersion + 1 - }; - - this.documents.push(entry); - - // no need to save as we only save documents which have metadata - - return entry; - } - - public getDocumentByDocumentId( - target: DocumentId - ): DocumentRecord | undefined { - return this.documents.find( - ({ metadata }) => metadata?.documentId === target - ); - } - - public move( - oldRelativePath: RelativePath, - newRelativePath: RelativePath - ): void { - const oldDocument = - this.getLatestDocumentByRelativePath(oldRelativePath); - - if (oldDocument === undefined) { - return; - } - - const newDocument = - this.getLatestDocumentByRelativePath(newRelativePath); - if (newDocument?.isDeleted === false) { - throw new Error( - `Document already exists at new location: ${newRelativePath}` - ); - } - - oldDocument.relativePath = newRelativePath; - // We might be in a strange state where the target of the move has just got deleted, - // however, its metadata might already have a bunch of updates queued up for - // the document at the new location. We need to keep these updates. - oldDocument.parallelVersion = - newDocument !== undefined ? newDocument.parallelVersion + 1 : 0; - - this.saveInTheBackground(); - } - - public delete(relativePath: RelativePath): void { - const candidate = this.getLatestDocumentByRelativePath(relativePath); - if (candidate === undefined) { - return; - } - candidate.isDeleted = true; - } - - public removeDocument(target: DocumentRecord): void { - removeFromArray(this.documents, target); - this.saveInTheBackground(); - } - - public getLastSeenUpdateId(): VaultUpdateId { - return this.lastSeenUpdateIds.min; - } - - public addSeenUpdateId(value: number): void { - const previousMin = this.lastSeenUpdateIds.min; - this.lastSeenUpdateIds.add(value); - if (previousMin !== this.lastSeenUpdateIds.min) { - this.saveInTheBackground(); - } - } - - public setLastSeenUpdateId(value: number): void { - this.lastSeenUpdateIds.min = value; - this.saveInTheBackground(); - } - - public reset(): void { - this.documents = []; - this.lastSeenUpdateIds = new CoveredValues( - 0 // the first updateId will be 1 which is the first integer after -1 - ); - this.saveInTheBackground(); - } - - public async save(): Promise { - return this.saveData({ - documents: this.resolvedDocuments.map( - ({ relativePath, metadata }) => ({ - relativePath, - // eslint-disable-next-line @typescript-eslint/no-non-null-assertion - ...metadata! // `resolvedDocuments` only returns docs with metadata set - }) - ), - lastSeenUpdateId: this.lastSeenUpdateIds.min - }); - } - - private ensureConsistency(): void { - const idToPath = new Map(); - - this.resolvedDocuments.forEach(({ relativePath, metadata }) => { - if (metadata === undefined) { - return; - } - idToPath.set(metadata.documentId, [ - ...(idToPath.get(metadata.documentId) ?? []), - relativePath - ]); - }); - - const duplicates = Array.from(idToPath.entries()) - .filter(([_, paths]) => paths.length > 1) - .map(([id, paths]) => { - let details = ""; - for (const path of paths) { - const doc = this.getLatestDocumentByRelativePath(path); - details += `\n- ${JSON.stringify(doc, null, 2)}`; - } - return `${id} (${paths.join(", ")}): ${details}`; - }); - - if (duplicates.length > 0) { - throw new Error( - "Document IDs are not unique, found duplicates: " + - duplicates.join("; ") - ); - } - } - - private saveInTheBackground(): void { - this.ensureConsistency(); - void this.save().catch((error: unknown) => { - this.logger.error(`Error saving data: ${error}`); - }); - } -} +// This file is intentionally empty +// All document tracking has been moved to sync-event-queue.ts diff --git a/frontend/sync-client/src/services/sync-service.ts b/frontend/sync-client/src/services/sync-service.ts index 647ac8da..ad268814 100644 --- a/frontend/sync-client/src/services/sync-service.ts +++ b/frontend/sync-client/src/services/sync-service.ts @@ -2,13 +2,14 @@ import type { DocumentId, RelativePath, VaultUpdateId -} from "../persistence/database"; +} from "../sync-operations/types"; import type { Logger } from "../tracing/logger"; import type { Settings } from "../persistence/settings"; import type { FetchController } from "./fetch-controller"; import { sleep } from "../utils/sleep"; import { SyncResetError } from "../errors/sync-reset-error"; +import { HttpClientError } from "../errors/http-client-error"; import type { SerializedError } from "./types/SerializedError"; import type { DocumentVersionWithoutContent } from "./types/DocumentVersionWithoutContent"; import type { DocumentUpdateResponse } from "./types/DocumentUpdateResponse"; @@ -139,13 +140,7 @@ export class SyncService { } ); - if (!response.ok) { - throw new Error( - `Failed to update document: ${await SyncService.errorFromResponse( - response - )}` - ); - } + await SyncService.throwIfNotOk(response, "update document"); const result: DocumentUpdateResponse = (await response.json()) as DocumentUpdateResponse; // eslint-disable-line @typescript-eslint/no-unsafe-type-assertion @@ -192,13 +187,7 @@ export class SyncService { } ); - if (!response.ok) { - throw new Error( - `Failed to update document: ${await SyncService.errorFromResponse( - response - )}` - ); - } + await SyncService.throwIfNotOk(response, "update document"); const result: DocumentUpdateResponse = (await response.json()) as DocumentUpdateResponse; // eslint-disable-line @typescript-eslint/no-unsafe-type-assertion @@ -413,8 +402,10 @@ export class SyncService { try { return await fn(); } catch (e) { - // We must not retry errors coming from reset - if (e instanceof SyncResetError) { + if ( + e instanceof SyncResetError || + e instanceof HttpClientError + ) { throw e; } @@ -427,4 +418,16 @@ export class SyncService { } } } + + private static async throwIfNotOk( + response: Response, + operation: string + ): Promise { + if (response.ok) return; + const message = `Failed to ${operation}: ${await SyncService.errorFromResponse(response)}`; + if (response.status >= 400 && response.status < 500) { + throw new HttpClientError(response.status, message); + } + throw new Error(message); + } } diff --git a/frontend/sync-client/src/services/types/ListVaultsResponse.ts b/frontend/sync-client/src/services/types/ListVaultsResponse.ts new file mode 100644 index 00000000..85928d89 --- /dev/null +++ b/frontend/sync-client/src/services/types/ListVaultsResponse.ts @@ -0,0 +1,7 @@ +// This file was generated by [ts-rs](https://github.com/Aleph-Alpha/ts-rs). Do not edit this file manually. +import type { VaultInfo } from "./VaultInfo"; + +/** + * Response to listing vaults accessible to the authenticated user. + */ +export interface ListVaultsResponse { vaults: VaultInfo[], hasMore: boolean, userName: string, } diff --git a/frontend/sync-client/src/services/types/VaultInfo.ts b/frontend/sync-client/src/services/types/VaultInfo.ts new file mode 100644 index 00000000..921645f3 --- /dev/null +++ b/frontend/sync-client/src/services/types/VaultInfo.ts @@ -0,0 +1,6 @@ +// This file was generated by [ts-rs](https://github.com/Aleph-Alpha/ts-rs). Do not edit this file manually. + +/** + * Summary of a single vault returned by the list-vaults endpoint. + */ +export interface VaultInfo { name: string, documentCount: number, createdAt: string | null, } diff --git a/frontend/sync-client/src/services/websocket-manager.ts b/frontend/sync-client/src/services/websocket-manager.ts index e99b8662..5cceec72 100644 --- a/frontend/sync-client/src/services/websocket-manager.ts +++ b/frontend/sync-client/src/services/websocket-manager.ts @@ -4,7 +4,6 @@ import type { WebSocketServerMessage } from "./types/WebSocketServerMessage"; import type { WebSocketClientMessage } from "./types/WebSocketClientMessage"; import type { CursorPositionFromClient } from "./types/CursorPositionFromClient"; import type { ClientCursors } from "./types/ClientCursors"; -import { createPromise } from "../utils/create-promise"; import type { WebSocketVaultUpdate } from "./types/WebSocketVaultUpdate"; import { WEBSOCKET_DISCONNECT_TIMEOUT_IN_SECONDS, @@ -42,6 +41,10 @@ export class WebSocketManager { private readonly webSocketFactoryImplementation: typeof globalThis.WebSocket = WebSocket ) {} + public get hasOutstandingWork(): boolean { + return this.outstandingPromises.length > 0; + } + public get isWebSocketConnected(): boolean { return ( this.webSocket?.readyState === @@ -55,7 +58,7 @@ export class WebSocketManager { } public async stop(): Promise { - const [promise, resolve] = createPromise(); + const { promise, resolve } = Promise.withResolvers(); this.resolveDisconnectingPromise = resolve; this.isStopped = true; diff --git a/frontend/sync-client/src/sync-client.ts b/frontend/sync-client/src/sync-client.ts index db6ff902..1a88c269 100644 --- a/frontend/sync-client/src/sync-client.ts +++ b/frontend/sync-client/src/sync-client.ts @@ -2,8 +2,8 @@ import type { PersistenceProvider } from "./persistence/persistence"; import type { HistoryEntry, HistoryStats } from "./tracing/sync-history"; import { SyncHistory } from "./tracing/sync-history"; import { Logger, LogLevel, LogLine } from "./tracing/logger"; -import type { RelativePath, StoredDatabase } from "./persistence/database"; -import { Database } from "./persistence/database"; +import type { RelativePath, StoredSyncState } from "./sync-operations/types"; +import { SyncEventQueue } from "./sync-operations/sync-event-queue"; import * as Sentry from "@sentry/browser"; import type { SyncSettings } from "./persistence/settings"; import { DEFAULT_SETTINGS, Settings } from "./persistence/settings"; @@ -12,7 +12,6 @@ import { Syncer } from "./sync-operations/syncer"; import type { FileSystemOperations } from "./file-operations/filesystem-operations"; import { FileOperations } from "./file-operations/file-operations"; import { FetchController } from "./services/fetch-controller"; -import { UnrestrictedSyncer } from "./sync-operations/unrestricted-syncer"; import { rateLimit } from "./utils/rate-limit"; import type { NetworkConnectionStatus } from "./types/network-connection-status"; import { DocumentSyncStatus } from "./types/document-sync-status"; @@ -40,7 +39,7 @@ export class SyncClient { public readonly logger: Logger, private readonly history: SyncHistory, private readonly settings: Settings, - private readonly database: Database, + private readonly syncEventQueue: SyncEventQueue, private readonly syncer: Syncer, private readonly webSocketManager: WebSocketManager, private readonly fetchController: FetchController, @@ -52,13 +51,13 @@ export class SyncClient { private readonly persistence: PersistenceProvider< Partial<{ settings: Partial; - database: Partial; + database: Partial; }> > ) { } public get documentCount(): number { - return this.database.length; + return this.syncEventQueue.documentCount; } public get isWebSocketConnected(): boolean { @@ -111,7 +110,7 @@ export class SyncClient { persistence: PersistenceProvider< Partial<{ settings: Partial; - database: Partial; + database: Partial; }> >; fetch?: typeof globalThis.fetch; @@ -136,8 +135,6 @@ export class SyncClient { state.settings, async (data): Promise => { state = { ...state, settings: data }; - // we're not rate-limiting settings saves as (1) we need to initialise the settings to know the rate limit - // and (2) settings changes are infrequent enough that rate-limiting is not necessary await persistence.save(state); } ); @@ -147,7 +144,8 @@ export class SyncClient { () => settings.getSettings().minimumSaveIntervalMs ); - const database = new Database( + const syncEventQueue = new SyncEventQueue( + settings, logger, state.database, async (data): Promise => { @@ -173,7 +171,7 @@ export class SyncClient { const fileOperations = new FileOperations( logger, - database, + syncEventQueue, fs, serverConfig, nativeLineEndings @@ -182,16 +180,6 @@ export class SyncClient { const contentCache = new FixedSizeDocumentCache( 1024 * 1024 * DIFF_CACHE_SIZE_MB ); - const unrestrictedSyncer = new UnrestrictedSyncer( - logger, - database, - settings, - syncService, - fileOperations, - history, - contentCache, - serverConfig - ); const webSocketManager = new WebSocketManager( logger, @@ -202,17 +190,20 @@ export class SyncClient { const syncer = new Syncer( deviceId, logger, - database, settings, webSocketManager, fileOperations, - unrestrictedSyncer + syncService, + history, + contentCache, + serverConfig, + syncEventQueue ); const fileChangeNotifier = new FileChangeNotifier(); const cursorTracker = new CursorTracker( logger, - database, + syncEventQueue, webSocketManager, fileOperations, fileChangeNotifier @@ -221,7 +212,7 @@ export class SyncClient { logger, history, settings, - database, + syncEventQueue, syncer, webSocketManager, fetchController, @@ -319,7 +310,7 @@ export class SyncClient { /** * Wait for the in-flight operations to finish, reset all tracking, - * and the local database but retain the settings. + * and the local state but retain the settings. * The SyncClient can be used again after calling this method. */ public async reset(): Promise { @@ -330,10 +321,9 @@ export class SyncClient { ); await this.pause(); - // clear all local state this.logger.info("Resetting SyncClient's local state"); - this.database.reset(); - await this.database.save(); // ensure the new database reads as empty + this.syncEventQueue.resetState(); + await this.syncEventQueue.save(); this.resetInMemoryState(); this.hasFinishedOfflineSync = false; this.serverConfig.reset(); @@ -362,40 +352,47 @@ export class SyncClient { await this.settings.setSettings(value); } - public async syncLocallyCreatedFile( + public syncLocallyCreatedFile( relativePath: RelativePath - ): Promise { + ): void { this.checkIfDestroyed("syncLocallyCreatedFile"); this.fileChangeNotifier.notifyOfFileChange(relativePath); - return this.syncer.syncLocallyCreatedFile(relativePath); + this.syncer.syncLocallyCreatedFile(relativePath); } - public async syncLocallyDeletedFile( + public syncLocallyDeletedFile( relativePath: RelativePath - ): Promise { + ): void { this.checkIfDestroyed("syncLocallyDeletedFile"); this.fileChangeNotifier.notifyOfFileChange(relativePath); - return this.syncer.syncLocallyDeletedFile(relativePath); + this.syncer.syncLocallyDeletedFile(relativePath); } - public async syncLocallyUpdatedFile({ + public syncLocallyUpdatedFile({ oldPath, relativePath }: { oldPath?: RelativePath; relativePath: RelativePath; - }): Promise { + }): void { this.checkIfDestroyed("syncLocallyUpdatedFile"); this.fileChangeNotifier.notifyOfFileChange(relativePath); - return this.syncer.syncLocallyUpdatedFile({ + this.syncer.syncLocallyUpdatedFile({ oldPath, relativePath }); } + public get hasPendingWork(): boolean { + return ( + this.syncEventQueue.size > 0 || + this.webSocketManager.hasOutstandingWork + ); + } + public getDocumentSyncingStatus( relativePath: RelativePath ): DocumentSyncStatus { @@ -426,7 +423,7 @@ export class SyncClient { this.checkIfDestroyed("waitUntilIdle"); await this.syncer.waitUntilFinished(); await this.webSocketManager.waitUntilFinished(); - await this.database.save(); // flush all changes to disk + await this.syncEventQueue.save(); } /** @@ -436,7 +433,6 @@ export class SyncClient { public async destroy(): Promise { this.checkIfDestroyed("destroy"); - // Prevent concurrent destroy calls if (this.isDestroying) { this.logger.warn( "destroy() called while already destroying, ignoring" @@ -445,14 +441,12 @@ export class SyncClient { } this.isDestroying = true; - // cancel everything that's in progress await this.pause(); this.hasBeenDestroyed = true; this.resetInMemoryState(); - // Clean up event listeners to prevent memory leaks this.eventUnsubscribers.forEach((unsubscribe) => { unsubscribe(); }); @@ -467,7 +461,6 @@ export class SyncClient { this.checkIfDestroyed("startSyncing"); this.fetchController.finishReset(); - // warm the cache await this.serverConfig.getConfig(); await this.syncer.scheduleSyncForOfflineChanges(); @@ -486,7 +479,6 @@ export class SyncClient { private resetInMemoryState(): void { this.history.reset(); this.contentCache.reset(); - // don't reset the logger this.cursorTracker.reset(); this.syncer.reset(); this.fileOperations.reset(); diff --git a/frontend/sync-client/src/sync-operations/cursor-tracker.ts b/frontend/sync-client/src/sync-operations/cursor-tracker.ts index dbce144b..f67f7eb7 100644 --- a/frontend/sync-client/src/sync-operations/cursor-tracker.ts +++ b/frontend/sync-client/src/sync-operations/cursor-tracker.ts @@ -1,5 +1,6 @@ import type { FileOperations } from "../file-operations/file-operations"; -import type { Database, RelativePath } from "../persistence/database"; +import type { RelativePath } from "./types"; +import type { SyncEventQueue } from "./sync-event-queue"; import type { ClientCursors } from "../services/types/ClientCursors"; import type { CursorSpan } from "../services/types/CursorSpan"; import type { DocumentWithCursors } from "../services/types/DocumentWithCursors"; @@ -35,7 +36,7 @@ export class CursorTracker { public constructor( private readonly logger: Logger, - private readonly database: Database, + private readonly queue: SyncEventQueue, private readonly webSocketManager: WebSocketManager, private readonly fileOperations: FileOperations, private readonly fileChangeNotifier: FileChangeNotifier @@ -104,21 +105,16 @@ export class CursorTracker { for (const [relativePath, cursors] of Object.entries( documentToCursors )) { - const record = - this.database.getLatestDocumentByRelativePath(relativePath); + const record = this.queue.getDocument(relativePath); if (!record) { continue; // Let's wait for the file to be created before sending cursors } - if (!record.metadata) { - continue; // this is a new document, no need to sync the cursors - } - documentsWithCursors.push({ relative_path: relativePath, - document_id: record.metadata.documentId, - vault_update_id: record.metadata.parentVersionId, + document_id: record.documentId, + vault_update_id: record.parentVersionId, cursors: cursors.map(({ start, end }) => ({ start: Math.min(start, end), end: Math.max(start, end) @@ -139,10 +135,8 @@ export class CursorTracker { const readContent = await this.fileOperations.read( doc.relative_path ); - const record = this.database.getLatestDocumentByRelativePath( - doc.relative_path - ); - if (record?.metadata?.hash !== (await hash(readContent))) { + const record = this.queue.getDocument(doc.relative_path); + if (record?.hash !== (await hash(readContent))) { doc.vault_update_id = null; } } @@ -227,9 +221,7 @@ export class CursorTracker { private async getDocumentUpToDateness( document: DocumentWithCursors ): Promise { - const record = this.database.getLatestDocumentByRelativePath( - document.relative_path - ); + const record = this.queue.getDocument(document.relative_path); if (!record) { // the document of the cursor must be from the future @@ -237,13 +229,11 @@ export class CursorTracker { } if ( - (record.metadata?.parentVersionId ?? 0) < - (document.vault_update_id ?? 0) + record.parentVersionId < (document.vault_update_id ?? 0) ) { return DocumentUpToDateness.Later; } else if ( - (document.vault_update_id ?? 0) < - (record.metadata?.parentVersionId ?? 0) + (document.vault_update_id ?? 0) < record.parentVersionId ) { // the document of the cursor must be from the past return DocumentUpToDateness.Prior; @@ -253,9 +243,8 @@ export class CursorTracker { document.relative_path ); - return this.database.getLatestDocumentByRelativePath( - document.relative_path - )?.metadata?.hash === (await hash(currentContent)) + const currentRecord = this.queue.getDocument(document.relative_path); + return currentRecord?.hash === (await hash(currentContent)) ? DocumentUpToDateness.UpToDate : DocumentUpToDateness.Prior; } diff --git a/frontend/sync-client/src/sync-operations/sync-event-queue.test.ts b/frontend/sync-client/src/sync-operations/sync-event-queue.test.ts index 7e43b700..d2e32268 100644 --- a/frontend/sync-client/src/sync-operations/sync-event-queue.test.ts +++ b/frontend/sync-client/src/sync-operations/sync-event-queue.test.ts @@ -1,46 +1,443 @@ import { describe, it } from "node:test"; import assert from "node:assert"; -import { SyncEventQueue, type SyncEvent } from "./sync-event-queue"; +import { SyncEventQueue } from "./sync-event-queue"; +import { Settings } from "../persistence/settings"; +import { Logger } from "../tracing/logger"; +import type { DocumentVersionWithoutContent } from "../services/types/DocumentVersionWithoutContent"; +import { SyncEventType } from "./types"; + +function createQueue(ignorePatterns: string[] = []): SyncEventQueue { + const logger = new Logger(); + const settings = new Settings(logger, { ignorePatterns }, async () => {}); + return new SyncEventQueue(settings, logger, undefined, async () => {}); +} + +function fakeRemoteVersion( + documentId: string, + overrides: Partial = {} +): DocumentVersionWithoutContent { + return { + vaultUpdateId: 1, + documentId, + relativePath: `${documentId}.md`, + updatedDate: "2026-01-01", + isDeleted: false, + userId: "user", + deviceId: "device", + contentSize: 100, + ...overrides + }; +} describe("SyncEventQueue", () => { - it("delete collapses interleaved events for one document while leaving the other intact", () => { - const queue = new SyncEventQueue(); - queue.enqueue({ type: "local-content-update", documentId: "A" }); - queue.enqueue({ type: "remote-content-update", documentId: "B" }); - queue.enqueue({ type: "local-content-update", documentId: "A" }); - queue.enqueue({ type: "move", documentId: "A" }); - queue.enqueue({ type: "remote-content-update", documentId: "A" }); - queue.enqueue({ type: "delete", documentId: "A" }); - queue.enqueue({ type: "local-content-update", documentId: "B" }); - - assert.deepStrictEqual(queue.next(), { type: "delete", documentId: "A" }); - assert.deepStrictEqual(queue.next(), { - type: "local-content-update", - documentId: "B" + it("sync-local followed by delete for the same document returns only the delete", () => { + const queue = createQueue(); + queue.setDocument("a.md", { + documentId: "A", + parentVersionId: 1, + hash: "hash-a" }); + + queue.enqueue({ type: SyncEventType.SyncLocal, documentId: "A" }); + queue.enqueue({ type: SyncEventType.SyncLocal, documentId: "A" }); + queue.enqueue({ + type: SyncEventType.Delete, + documentId: "A", + path: "a.md", + }); + + const event = queue.next(); + assert.strictEqual(event?.type, SyncEventType.Delete); + if (event?.type === SyncEventType.Delete) { + assert.strictEqual(event.documentId, "A"); + } assert.strictEqual(queue.next(), undefined); }); - it("updates coalesce up to a move boundary then post-move events are processed separately", () => { - const queue = new SyncEventQueue(); - queue.enqueue({ type: "local-content-update", documentId: "X" }); - queue.enqueue({ type: "remote-content-update", documentId: "X" }); - queue.enqueue({ type: "file-create", path: "new.md" }); - queue.enqueue({ type: "local-content-update", documentId: "X" }); - queue.enqueue({ type: "move", documentId: "X" }); - queue.enqueue({ type: "remote-content-update", documentId: "X" }); - queue.enqueue({ type: "local-content-update", documentId: "X" }); + it("sync-local events for the same document coalesce to one", () => { + const queue = createQueue(); + queue.setDocument("a.md", { + documentId: "A", + parentVersionId: 1, + hash: "hash-a" + }); - assert.deepStrictEqual(queue.next(), { - type: "local-content-update", - documentId: "X" - }); - assert.deepStrictEqual(queue.next(), { type: "file-create", path: "new.md" }); - assert.deepStrictEqual(queue.next(), { type: "move", documentId: "X" }); - assert.deepStrictEqual(queue.next(), { - type: "local-content-update", - documentId: "X" - }); + queue.enqueue({ type: SyncEventType.SyncLocal, documentId: "A" }); + queue.enqueue({ type: SyncEventType.SyncLocal, documentId: "A" }); + queue.enqueue({ type: SyncEventType.SyncLocal, documentId: "A" }); + + const event = queue.next(); + assert.strictEqual(event?.type, SyncEventType.SyncLocal); assert.strictEqual(queue.next(), undefined); }); + + it("sync-remote events for the same documentId coalesce to the last one", () => { + const queue = createQueue(); + + queue.enqueue({ + type: SyncEventType.SyncRemote, + remoteVersion: fakeRemoteVersion("A", { vaultUpdateId: 1 }) + }); + queue.enqueue({ + type: SyncEventType.SyncRemote, + remoteVersion: fakeRemoteVersion("A", { vaultUpdateId: 2 }) + }); + queue.enqueue({ + type: SyncEventType.SyncRemote, + remoteVersion: fakeRemoteVersion("A", { vaultUpdateId: 3 }) + }); + + const event = queue.next(); + assert.strictEqual(event?.type, SyncEventType.SyncRemote); + if (event?.type === SyncEventType.SyncRemote) { + assert.strictEqual(event.remoteVersion.vaultUpdateId, 3); + } + assert.strictEqual(queue.next(), undefined); + }); + + it("create events are returned FIFO", () => { + const queue = createQueue(); + queue.enqueue({ type: SyncEventType.Create, path: "a.md" }); + queue.enqueue({ type: SyncEventType.Create, path: "b.md" }); + + const first = queue.next(); + assert.strictEqual(first?.type, SyncEventType.Create); + if (first?.type === SyncEventType.Create) { + assert.strictEqual(first.path, "a.md"); + } + + const second = queue.next(); + assert.strictEqual(second?.type, SyncEventType.Create); + if (second?.type === SyncEventType.Create) { + assert.strictEqual(second.path, "b.md"); + } + }); + + it("duplicate creates for the same path are skipped", () => { + const queue = createQueue(); + queue.enqueue({ type: SyncEventType.Create, path: "a.md" }); + queue.enqueue({ type: SyncEventType.Create, path: "a.md" }); + assert.strictEqual(queue.size, 1); + }); + + it("create is skipped if the path already has a tracked document", () => { + const queue = createQueue(); + queue.setDocument("a.md", { + documentId: "A", + parentVersionId: 1, + hash: "hash-a" + }); + + queue.enqueue({ type: SyncEventType.Create, path: "a.md" }); + assert.strictEqual(queue.size, 0); + }); + + it("delete uses the provided documentId", () => { + const queue = createQueue(); + + queue.enqueue({ + type: SyncEventType.Delete, + documentId: "A", + path: "a.md", + }); + + const event = queue.next(); + assert.strictEqual(event?.type, SyncEventType.Delete); + if (event?.type === SyncEventType.Delete) { + assert.strictEqual(event.documentId, "A"); + } + }); + + it("updateCreatePath updates the path of a create event in the queue", () => { + const queue = createQueue(); + queue.enqueue({ type: SyncEventType.Create, path: "old.md" }); + + const updated = queue.updateCreatePath("old.md", "new.md"); + assert.strictEqual(updated, true); + assert.strictEqual(queue.hasCreateEvent("old.md"), false); + assert.strictEqual(queue.hasCreateEvent("new.md"), true); + + const event = queue.next(); + assert.strictEqual(event?.type, SyncEventType.Create); + if (event?.type === SyncEventType.Create) { + assert.strictEqual(event.path, "new.md"); + } + }); + + it("updateCreatePath returns false when no create event exists", () => { + const queue = createQueue(); + const updated = queue.updateCreatePath("old.md", "new.md"); + assert.strictEqual(updated, false); + }); + + it("hasCreateEvent detects pending creates", () => { + const queue = createQueue(); + assert.strictEqual(queue.hasCreateEvent("a.md"), false); + + queue.enqueue({ type: SyncEventType.Create, path: "a.md" }); + assert.strictEqual(queue.hasCreateEvent("a.md"), true); + + queue.next(); + assert.strictEqual(queue.hasCreateEvent("a.md"), false); + }); + + it("document store CRUD operations work correctly", () => { + const queue = createQueue(); + + assert.strictEqual(queue.getDocument("a.md"), undefined); + assert.strictEqual(queue.documentCount, 0); + + queue.setDocument("a.md", { + documentId: "A", + parentVersionId: 1, + hash: "hash-a" + }); + assert.strictEqual(queue.documentCount, 1); + assert.deepStrictEqual(queue.getDocument("a.md"), { + documentId: "A", + parentVersionId: 1, + hash: "hash-a" + }); + + const found = queue.getDocumentByDocumentId("A"); + assert.strictEqual(found?.path, "a.md"); + assert.strictEqual(found?.record.documentId, "A"); + + queue.removeDocument("a.md"); + assert.strictEqual(queue.documentCount, 0); + assert.strictEqual(queue.getDocument("a.md"), undefined); + }); + + it("moveDocument moves a document and returns displaced documentId", () => { + const queue = createQueue(); + queue.setDocument("a.md", { + documentId: "A", + parentVersionId: 1, + hash: "hash-a" + }); + queue.setDocument("b.md", { + documentId: "B", + parentVersionId: 2, + hash: "hash-b" + }); + + const displacedId = queue.moveDocument("a.md", "b.md"); + assert.strictEqual(displacedId, "B"); + assert.strictEqual(queue.getDocument("a.md"), undefined); + assert.strictEqual(queue.getDocument("b.md")?.documentId, "A"); + assert.strictEqual(queue.documentCount, 1); + }); + + it("moveDocument returns undefined when target is unoccupied", () => { + const queue = createQueue(); + queue.setDocument("a.md", { + documentId: "A", + parentVersionId: 1, + hash: "hash-a" + }); + + const displacedId = queue.moveDocument("a.md", "b.md"); + assert.strictEqual(displacedId, undefined); + assert.strictEqual(queue.getDocument("b.md")?.documentId, "A"); + }); + + it("interleaved events for different documents are not confused", () => { + const queue = createQueue(); + queue.setDocument("a.md", { + documentId: "A", + parentVersionId: 1, + hash: "hash-a" + }); + queue.setDocument("b.md", { + documentId: "B", + parentVersionId: 2, + hash: "hash-b" + }); + + queue.enqueue({ type: SyncEventType.SyncLocal, documentId: "A" }); + queue.enqueue({ type: SyncEventType.SyncLocal, documentId: "B" }); + queue.enqueue({ + type: SyncEventType.Delete, + documentId: "A", + path: "a.md", + }); + queue.enqueue({ type: SyncEventType.SyncLocal, documentId: "B" }); + + // First next() should see the delete for A (coalescing sync-local + delete) + const first = queue.next(); + assert.strictEqual(first?.type, SyncEventType.Delete); + if (first?.type === SyncEventType.Delete) { + assert.strictEqual(first.documentId, "A"); + } + + // Remaining should be the coalesced sync-local for B + const second = queue.next(); + assert.strictEqual(second?.type, SyncEventType.SyncLocal); + if (second?.type === SyncEventType.SyncLocal) { + assert.strictEqual(second.documentId, "B"); + } + + assert.strictEqual(queue.next(), undefined); + }); + + it("delete discards subsequent sync-remote events for the same document", () => { + const queue = createQueue(); + + queue.enqueue({ + type: SyncEventType.Delete, + documentId: "A", + path: "a.md", + }); + queue.enqueue({ + type: SyncEventType.SyncRemote, + remoteVersion: fakeRemoteVersion("A", { vaultUpdateId: 5 }) + }); + + const event = queue.next(); + assert.strictEqual(event?.type, SyncEventType.Delete); + assert.strictEqual(queue.next(), undefined); + }); + + it("delete discards subsequent sync-local and sync-remote for the same document", () => { + const queue = createQueue(); + queue.setDocument("a.md", { + documentId: "A", + parentVersionId: 1, + hash: "hash-a" + }); + + queue.enqueue({ + type: SyncEventType.Delete, + documentId: "A", + path: "a.md", + }); + queue.enqueue({ type: SyncEventType.SyncLocal, documentId: "A" }); + queue.enqueue({ type: SyncEventType.Create, path: "b.md" }); + queue.enqueue({ + type: SyncEventType.SyncRemote, + remoteVersion: fakeRemoteVersion("A", { vaultUpdateId: 5 }) + }); + + const first = queue.next(); + assert.strictEqual(first?.type, SyncEventType.Delete); + + // Only the unrelated create should remain + const second = queue.next(); + assert.strictEqual(second?.type, SyncEventType.Create); + assert.strictEqual(queue.next(), undefined); + }); + + it("delete with empty documentId does not discard other events", () => { + const queue = createQueue(); + queue.setDocument("a.md", { + documentId: "A", + parentVersionId: 1, + hash: "hash-a" + }); + + queue.enqueue({ + type: SyncEventType.Delete, + documentId: "", + path: "unknown.md", + }); + queue.enqueue({ type: SyncEventType.SyncLocal, documentId: "A" }); + + queue.next(); + const second = queue.next(); + assert.strictEqual(second?.type, SyncEventType.SyncLocal); + }); + + it("create can be re-enqueued after being dequeued", () => { + const queue = createQueue(); + queue.enqueue({ type: SyncEventType.Create, path: "a.md" }); + queue.next(); + + queue.enqueue({ type: SyncEventType.Create, path: "a.md" }); + assert.strictEqual(queue.size, 1); + }); + + it("silently ignores create events matching ignore patterns", () => { + const queue = createQueue(["*.tmp", ".hidden/**"]); + + queue.enqueue({ type: SyncEventType.Create, path: "scratch.tmp" }); + queue.enqueue({ + type: SyncEventType.Create, + path: ".hidden/secret.md", + }); + assert.strictEqual(queue.size, 0); + + queue.enqueue({ type: SyncEventType.Create, path: "notes-new.md" }); + assert.strictEqual(queue.size, 1); + + queue.enqueue({ + type: SyncEventType.SyncRemote, + remoteVersion: fakeRemoteVersion("N") + }); + assert.strictEqual(queue.size, 2); + }); + + it("clear removes events but keeps documents", () => { + const queue = createQueue(); + queue.setDocument("a.md", { + documentId: "A", + parentVersionId: 1, + hash: "hash-a" + }); + queue.enqueue({ type: SyncEventType.Create, path: "b.md" }); + queue.enqueue({ type: SyncEventType.SyncLocal, documentId: "A" }); + + assert.strictEqual(queue.size, 2); + + queue.clear(); + + assert.strictEqual(queue.size, 0); + assert.strictEqual(queue.documentCount, 1); + assert.strictEqual(queue.getDocument("a.md")?.documentId, "A"); + }); + + it("allDocuments returns all tracked documents", () => { + const queue = createQueue(); + queue.setDocument("a.md", { + documentId: "A", + parentVersionId: 1, + hash: "hash-a" + }); + queue.setDocument("b.md", { + documentId: "B", + parentVersionId: 2, + hash: "hash-b" + }); + + const docs = queue.allDocuments(); + assert.strictEqual(docs.length, 2); + const paths = docs.map(([p]) => p).sort(); + assert.deepStrictEqual(paths, ["a.md", "b.md"]); + }); + + it("loads initial state from persistence", () => { + const logger = new Logger(); + const settings = new Settings(logger, {}, async () => {}); + const queue = new SyncEventQueue(settings, logger, { + documents: [ + { + relativePath: "a.md", + documentId: "A", + parentVersionId: 5, + hash: "hash-a" + }, + { + relativePath: "b.md", + documentId: "B", + parentVersionId: 3, + hash: "hash-b" + } + ], + lastSeenUpdateId: 4 + }, async () => {}); + + assert.strictEqual(queue.documentCount, 2); + assert.strictEqual(queue.getDocument("a.md")?.documentId, "A"); + assert.strictEqual(queue.getDocument("b.md")?.documentId, "B"); + assert.strictEqual(queue.getLastSeenUpdateId(), 5); + }); }); diff --git a/frontend/sync-client/src/sync-operations/sync-event-queue.ts b/frontend/sync-client/src/sync-operations/sync-event-queue.ts index c3d8af82..362c35dc 100644 --- a/frontend/sync-client/src/sync-operations/sync-event-queue.ts +++ b/frontend/sync-client/src/sync-operations/sync-event-queue.ts @@ -1,85 +1,336 @@ -import type { DocumentId, RelativePath } from "../persistence/database"; - -export type SyncEvent = - | { type: "file-create"; path: RelativePath } - | { type: "local-content-update"; documentId: DocumentId } - | { type: "remote-content-update"; documentId: DocumentId } - | { type: "move"; documentId: DocumentId } - | { type: "delete"; documentId: DocumentId }; +import type { Settings } from "../persistence/settings"; +import type { Logger } from "../tracing/logger"; +import { globsToRegexes } from "../utils/globs-to-regexes"; +import { CoveredValues } from "../utils/data-structures/min-covered"; +import { removeFromArray } from "../utils/remove-from-array"; +import { + SyncEventType, + type DocumentId, + type DocumentRecord, + type RelativePath, + type StoredSyncState, + type SyncEvent, + type VaultUpdateId, +} from "./types"; export class SyncEventQueue { private readonly events: SyncEvent[] = []; + private readonly documents = new Map(); + private readonly recentlyDeletedDocumentIds = new Set(); + private lastSeenUpdateIds: CoveredValues; + private ignorePatterns: RegExp[]; + + public constructor( + private readonly settings: Settings, + private readonly logger: Logger, + initialState: Partial | undefined, + private readonly saveData: (data: StoredSyncState) => Promise + ) { + this.ignorePatterns = globsToRegexes( + this.settings.getSettings().ignorePatterns, + this.logger + ); + + this.settings.onSettingsChanged.add((newSettings) => { + this.ignorePatterns = globsToRegexes( + newSettings.ignorePatterns, + this.logger + ); + }); + + initialState ??= {}; + + if (initialState.documents !== undefined) { + for (const { relativePath, ...record } of initialState.documents) { + this.documents.set(relativePath, record); + } + } + + const { lastSeenUpdateId } = initialState; + this.lastSeenUpdateIds = new CoveredValues( + Math.max(0, lastSeenUpdateId ?? 0) + ); + + for (const [, record] of this.documents) { + this.lastSeenUpdateIds.add(record.parentVersionId); + } + + this.logger.debug(`Loaded ${this.documents.size} documents`); + } public get size(): number { return this.events.length; } + public get documentCount(): number { + return this.documents.size; + } + + public getLastSeenUpdateId(): VaultUpdateId { + return this.lastSeenUpdateIds.min; + } + + public addSeenUpdateId(value: number): void { + const previousMin = this.lastSeenUpdateIds.min; + this.lastSeenUpdateIds.add(value); + if (previousMin !== this.lastSeenUpdateIds.min) { + this.saveInTheBackground(); + } + } + + public setLastSeenUpdateId(value: number): void { + this.lastSeenUpdateIds.min = value; + this.saveInTheBackground(); + } + + public getDocument(path: RelativePath): DocumentRecord | undefined { + return this.documents.get(path); + } + + public getDocumentByDocumentId( + target: DocumentId + ): { path: RelativePath; record: DocumentRecord } | undefined { + for (const [path, record] of this.documents) { + if (record.documentId === target) { + return { path, record }; + } + } + return undefined; + } + + public setDocument(path: RelativePath, record: DocumentRecord): void { + this.documents.set(path, record); + this.saveInTheBackground(); + } + + public removeDocument(path: RelativePath): void { + const record = this.documents.get(path); + if (record !== undefined) { + this.recentlyDeletedDocumentIds.add(record.documentId); + } + this.documents.delete(path); + this.saveInTheBackground(); + } + + /** + * Move a document from oldPath to newPath. + * If the target path is occupied by a different document, it is removed + * and its documentId is returned so the caller can handle the displacement. + */ + public moveDocument( + oldPath: RelativePath, + newPath: RelativePath + ): DocumentId | undefined { + const record = this.documents.get(oldPath); + if (record === undefined) return undefined; + + let displacedDocumentId: DocumentId | undefined = undefined; + const existingAtTarget = this.documents.get(newPath); + if ( + existingAtTarget !== undefined && + existingAtTarget.documentId !== record.documentId + ) { + displacedDocumentId = existingAtTarget.documentId; + this.recentlyDeletedDocumentIds.add(displacedDocumentId); + this.documents.delete(newPath); + } + + this.documents.delete(oldPath); + this.documents.set(newPath, record); + this.saveInTheBackground(); + return displacedDocumentId; + } + + public wasRecentlyDeleted(documentId: DocumentId): boolean { + return this.recentlyDeletedDocumentIds.has(documentId); + } + + public unmarkRecentlyDeleted(documentId: DocumentId): void { + this.recentlyDeletedDocumentIds.delete(documentId); + } + + + public allDocuments(): [RelativePath, DocumentRecord][] { + return Array.from(this.documents.entries()); + } + + public hasCreateEvent(path: RelativePath): boolean { + return this.events.some( + (e) => e.type === SyncEventType.Create && e.path === path + ); + } + + public updateCreatePath( + oldPath: RelativePath, + newPath: RelativePath + ): boolean { + for (const event of this.events) { + if (event.type === SyncEventType.Create && event.path === oldPath) { + event.path = newPath; + return true; + } + } + return false; + } + + public hasPendingEventsForPath(path: RelativePath): boolean { + const record = this.documents.get(path); + const docId = record?.documentId; + return this.events.some( + (e) => + (e.type === SyncEventType.Create && e.path === path) || + (e.type === SyncEventType.SyncLocal && + docId !== undefined && + e.documentId === docId) || + (e.type === SyncEventType.Delete && + docId !== undefined && + e.documentId === docId) || + (e.type === SyncEventType.SyncRemote && + e.remoteVersion.relativePath === path) + ); + } + + public async save(): Promise { + return this.saveData({ + documents: Array.from(this.documents.entries()).map( + ([relativePath, record]) => ({ + relativePath, + ...record + }) + ), + lastSeenUpdateId: this.lastSeenUpdateIds.min + }); + } + + public resetState(): void { + this.documents.clear(); + this.recentlyDeletedDocumentIds.clear(); + this.lastSeenUpdateIds = new CoveredValues(0); + this.saveInTheBackground(); + } + public clear(): void { this.events.length = 0; + this.recentlyDeletedDocumentIds.clear(); } public enqueue(event: SyncEvent): void { + if (this.isIgnored(event)) return; + + if (event.type === SyncEventType.Create) { + if (this.documents.has(event.path)) return; + if (this.hasCreateEvent(event.path)) return; + } + this.events.push(event); } + + public next(): SyncEvent | undefined { if (this.events.length === 0) return undefined; - const first = this.events[0]; - if (first.type === "file-create") { + const [first] = this.events; + + // Creates are always returned immediately (FIFO) + if (first.type === SyncEventType.Create) { this.events.shift(); return first; } - const { documentId } = first; - - // If there's an eventual delete, discard everything for this document - const deleteEvent = this.events.find( - (e) => e.type === "delete" && e.documentId === documentId - ); - if (deleteEvent) { - this.removeAllForDocument(documentId); - return deleteEvent; - } - - // Coalesce updates: return the last update before the next move for this document. - // Moves act as barriers since they depend on each other - const moveIndex = this.events.findIndex( - (e) => e.type === "move" && e.documentId === documentId - ); - const boundary = moveIndex === -1 ? this.events.length : moveIndex; - - const updateIndices: number[] = []; - for (let i = 0; i < boundary; i++) { - const e = this.events[i]; - if ( - (e.type === "local-content-update" || - e.type === "remote-content-update") && - e.documentId === documentId - ) { - updateIndices.push(i); + // Deletes are returned immediately; also discard any subsequent + // events for the same documentId so stale broadcasts don't + // resurrect the document + if (first.type === SyncEventType.Delete) { + this.events.shift(); + const { documentId } = first; + if (documentId !== "") { + this.removeAllEventsForDocumentId(documentId); } + return first; } - if (updateIndices.length > 0) { - const result = this.events[updateIndices[updateIndices.length - 1]]; - for (let i = updateIndices.length - 1; i >= 0; i--) { - this.events.splice(updateIndices[i], 1); + if (first.type === SyncEventType.SyncLocal) { + const { documentId } = first; + + // If there's a later delete for the same documentId, discard + // all sync-locals for that document and return the delete + const deleteEvent = this.events.find( + (e) => + e.type === SyncEventType.Delete && + e.documentId === documentId + ); + if (deleteEvent !== undefined) { + this.removeAllSyncLocalsForDocumentId(documentId); + removeFromArray(this.events, deleteEvent); + return deleteEvent; + } + + // Coalesce multiple sync-locals for the same documentId to the last one + const matching = this.events.filter( + (e) => + e.type === SyncEventType.SyncLocal && + e.documentId === documentId + ); + const result = matching[matching.length - 1]; + for (const item of matching) { + removeFromArray(this.events, item); } return result; } - // First event is a move with no preceding updates - this.events.shift(); - return first; + // SyncRemote: coalesce multiple events for the same documentId to the last one + const { documentId } = first.remoteVersion; + const matching = this.events.filter( + (e) => + e.type === SyncEventType.SyncRemote && + e.remoteVersion.documentId === documentId + ); + const result = matching[matching.length - 1]; + for (const item of matching) { + removeFromArray(this.events, item); + } + return result; } - private removeAllForDocument(documentId: DocumentId): void { + private isIgnored(event: SyncEvent): boolean { + if (event.type !== SyncEventType.Create) return false; + return this.ignorePatterns.some((pattern) => pattern.test(event.path)); + } + + private removeAllEventsForDocumentId(documentId: DocumentId): void { for (let i = this.events.length - 1; i >= 0; i--) { const e = this.events[i]; - if (e.type !== "file-create" && e.documentId === documentId) { + if ( + (e.type === SyncEventType.SyncLocal && + e.documentId === documentId) || + (e.type === SyncEventType.SyncRemote && + e.remoteVersion.documentId === documentId) || + (e.type === SyncEventType.Delete && + e.documentId === documentId) + ) { + // eslint-disable-next-line no-restricted-syntax -- Bulk removal by predicate, not single-item removal this.events.splice(i, 1); } } } + + private removeAllSyncLocalsForDocumentId(documentId: DocumentId): void { + for (let i = this.events.length - 1; i >= 0; i--) { + const e = this.events[i]; + if ( + e.type === SyncEventType.SyncLocal && + e.documentId === documentId + ) { + // eslint-disable-next-line no-restricted-syntax -- Bulk removal by predicate, not single-item removal + this.events.splice(i, 1); + } + } + } + + private saveInTheBackground(): void { + void this.save().catch((error: unknown) => { + this.logger.error(`Error saving sync state: ${error}`); + }); + } } diff --git a/frontend/sync-client/src/sync-operations/syncer.ts b/frontend/sync-client/src/sync-operations/syncer.ts index 4cf92097..9e4121e6 100644 --- a/frontend/sync-client/src/sync-operations/syncer.ts +++ b/frontend/sync-client/src/sync-operations/syncer.ts @@ -1,76 +1,73 @@ -import type { - Database, - DocumentId, - DocumentRecord, - RelativePath -} from "../persistence/database"; +import { + SyncEventType, + type DocumentId, + type DocumentRecord, + type SyncEvent, + type RelativePath, + type VaultUpdateId, +} from "./types"; import type { Logger } from "../tracing/logger"; -import PQueue from "p-queue"; -import { hash } from "../utils/hash"; +import { EMPTY_HASH, hash } from "../utils/hash"; import type { Settings } from "../persistence/settings"; import type { FileOperations } from "../file-operations/file-operations"; import { findMatchingFile } from "../utils/find-matching-file"; -import type { UnrestrictedSyncer } from "./unrestricted-syncer"; import { SyncResetError } from "../errors/sync-reset-error"; -import { Locks } from "../utils/data-structures/locks"; import type { DocumentVersionWithoutContent } from "../services/types/DocumentVersionWithoutContent"; import type { WebSocketVaultUpdate } from "../services/types/WebSocketVaultUpdate"; import type { WebSocketManager } from "../services/websocket-manager"; import type { WebSocketClientMessage } from "../services/types/WebSocketClientMessage"; -import { awaitAll } from "../utils/await-all"; import { EventListeners } from "../utils/data-structures/event-listeners"; +import type { SyncEventQueue } from "./sync-event-queue"; +import type { SyncService } from "../services/sync-service"; +import { FileNotFoundError } from "../errors/file-not-found-error"; +import { HttpClientError } from "../errors/http-client-error"; +import type { + SyncHistory +} from "../tracing/sync-history"; +import { + SyncStatus, + SyncType, + type CommonHistoryEntry +} from "../tracing/sync-history"; +import { isBinary } from "../utils/is-binary"; +import { isFileTypeMergable } from "../utils/is-file-type-mergable"; +import { diff } from "reconcile-text"; +import type { ServerConfig } from "../services/server-config"; +import type { FixedSizeDocumentCache } from "../utils/data-structures/fix-sized-cache"; +import { base64ToBytes } from "byte-base64"; +import type { DocumentUpdateResponse } from "../services/types/DocumentUpdateResponse"; export class Syncer { public readonly onRemainingOperationsCountChanged = new EventListeners< (remainingOperations: number) => unknown >(); - public readonly updatedDocumentsByPathAndKeysLocks: Locks; // can be DocumentId or RelativePath - - // FIFO to limit the number of concurrent sync operations - private readonly syncQueue: PQueue; + private readonly queue: SyncEventQueue; private _isFirstSyncComplete = false; private runningScheduleSyncForOfflineChanges: Promise | undefined; + private draining: Promise | undefined; private previousRemainingOperationsCount = 0; public constructor( private readonly deviceId: string, private readonly logger: Logger, - private readonly database: Database, private readonly settings: Settings, private readonly webSocketManager: WebSocketManager, private readonly operations: FileOperations, - private readonly unrestrictedSyncer: UnrestrictedSyncer + private readonly syncService: SyncService, + private readonly history: SyncHistory, + private readonly contentCache: FixedSizeDocumentCache, + private readonly serverConfig: ServerConfig, + queue: SyncEventQueue ) { - this.syncQueue = new PQueue({ - concurrency: settings.getSettings().syncConcurrency - }); - - this.updatedDocumentsByPathAndKeysLocks = new Locks( - Syncer.name, - this.logger - ); - - settings.onSettingsChanged.add((newSettings, oldSettings) => { - if (newSettings.syncConcurrency !== oldSettings.syncConcurrency) { - this.syncQueue.concurrency = newSettings.syncConcurrency; - } - }); - - this.syncQueue.on("active", () => { - if (this.previousRemainingOperationsCount !== this.syncQueue.size) { - this.previousRemainingOperationsCount = this.syncQueue.size; - this.onRemainingOperationsCountChanged.trigger( - this.syncQueue.size - ); - } - }); + this.queue = queue; this.webSocketManager.onWebSocketStatusChanged.add((isConnected) => { if (isConnected) { - // The JS WebSocket API doesn't support setting headers, so we have to send the token as a message this.sendHandshakeMessage(); + } else { + this.runningScheduleSyncForOfflineChanges = undefined; } }); this.webSocketManager.onRemoteVaultUpdateReceived.add( @@ -83,132 +80,82 @@ export class Syncer { } public hasPendingOperationsForDocument(relativePath: string): boolean { - return this.updatedDocumentsByPathAndKeysLocks.isLocked(relativePath); + return this.queue.hasPendingEventsForPath(relativePath); } - public async syncLocallyCreatedFile( - relativePath: RelativePath - ): Promise { - // check whether someone else has already created the document in the database - if ( - this.database.getLatestDocumentByRelativePath(relativePath) - ?.isDeleted === false - ) { - // This is likely a consequence of us creating a file because of a remote update - // which triggered a local create, so we don't need to do anything here. - this.logger.debug( - `Document ${relativePath} already exists in the database, skipping` - ); - return; - } - - const document = this.database.createNewPendingDocument(relativePath); - - await this.enqueueSyncOperation( - async () => - this.unrestrictedSyncer.unrestrictedSyncLocallyCreatedOrUpdatedFile( - { - document - } - ), - [relativePath] - ); + public syncLocallyCreatedFile(relativePath: RelativePath): void { + this.queue.enqueue({ type: SyncEventType.Create, path: relativePath }); + this.ensureDraining(); } - public async syncLocallyDeletedFile( - relativePath: RelativePath - ): Promise { - const document = - this.database.getLatestDocumentByRelativePath(relativePath); - - if (document == null || document.isDeleted) { - // This is must be a consequence of us deleting a file because of a remote update - // which triggered a local delete, so we don't need to do anything here. - this.logger.debug( - `Document ${relativePath} has already been marked as deleted, skipping` - ); - return; - } - - // We have to have a record of the delete in case there's an in-flight update for the same - // document which finishes after the delete has succeeded and would introduce a phantom metadata record. - this.database.delete(relativePath); - - await this.enqueueSyncOperation(async () => { - await this.unrestrictedSyncer.unrestrictedSyncLocallyDeletedFile( - document - ); - - this.database.removeDocument(document); - }, [document?.metadata?.documentId, relativePath]); + public syncLocallyDeletedFile(relativePath: RelativePath): void { + const record = this.queue.getDocument(relativePath); + const documentId = record?.documentId ?? ""; + this.queue.enqueue({ + type: SyncEventType.Delete, + documentId, + path: relativePath, + }); + this.ensureDraining(); } - public async syncLocallyUpdatedFile({ + public syncLocallyUpdatedFile({ oldPath, relativePath }: { oldPath?: RelativePath; relativePath: RelativePath; - }): Promise { - const document = - this.database.getLatestDocumentByRelativePath(oldPath ?? relativePath); - - // must have been removed after a successful delete - if (document === undefined) { - this.logger.debug( - `Cannot find document ${relativePath} in the database, skipping` - ); - return; - } - - if (document.isDeleted) { - this.logger.debug( - `Document ${relativePath} has been deleted locally, skipping` - ); - return; - } - - const documentAtNewPath = - this.database.getLatestDocumentByRelativePath(relativePath); - - if (oldPath !== undefined) { - // We might have moved the document in the database before calling this method, - // in that case, we mustn't move it again. - if ( - documentAtNewPath === undefined || - documentAtNewPath.isDeleted - ) { - if (oldPath === relativePath) { - throw new Error( - `Old path and new path are the same: ${oldPath}` - ); - } - - this.database.move(oldPath, relativePath); + }): void { + if (oldPath === undefined) { + const record = this.queue.getDocument(relativePath); + if (record === undefined) { + this.syncLocallyCreatedFile(relativePath); + return; } - } - - - if ( - oldPath !== undefined && - document?.metadata?.remoteRelativePath === relativePath - ) { - this.logger.debug( - `Document ${relativePath} has been moved as a result of a remote update, skipping sync` - ); + this.queue.enqueue({ + type: SyncEventType.SyncLocal, + documentId: record.documentId, + }); + this.ensureDraining(); return; } - await this.enqueueSyncOperation( - async () => - this.unrestrictedSyncer.unrestrictedSyncLocallyCreatedOrUpdatedFile( - { - oldPath, - document - } - ), - [document.metadata?.documentId, relativePath, oldPath] - ); + // Handle rename + const sourceRecord = this.queue.getDocument(oldPath); + if (sourceRecord !== undefined) { + // Capture the displaced document's version before + // moveDocument removes it from the store + const displacedRecord = this.queue.getDocument(relativePath); + const displacedDocumentId = this.queue.moveDocument( + oldPath, + relativePath + ); + if (displacedDocumentId !== undefined) { + this.queue.enqueue({ + type: SyncEventType.Delete, + documentId: displacedDocumentId, + path: relativePath, + displacedAtVersion: displacedRecord?.parentVersionId, + }); + } + this.queue.enqueue({ + type: SyncEventType.SyncLocal, + documentId: sourceRecord.documentId, + }); + } else if (this.queue.hasCreateEvent(oldPath)) { + const updated = this.queue.updateCreatePath(oldPath, relativePath); + if (!updated) { + this.syncLocallyCreatedFile(relativePath); + } + } else { + // The create event may have already been dequeued and + // processed (e.g. skipped due to a concurrent rename + // deleting the file at the old path). Treat the file at + // the new path as a fresh create + this.syncLocallyCreatedFile(relativePath); + } + + this.ensureDraining(); } public async scheduleSyncForOfflineChanges(): Promise { @@ -238,7 +185,14 @@ export class Syncer { public async waitUntilFinished(): Promise { await this.runningScheduleSyncForOfflineChanges; - await this.syncQueue.onIdle(); // Wait for queue to be empty and running tasks to finish + // Loop until the draining promise stabilises — new drains can be + // chained by events enqueued during processing + let current = this.draining; + while (current !== undefined) { + await current; + if (this.draining === current) break; + current = this.draining; + } } public async syncRemotelyUpdatedFile( @@ -247,66 +201,63 @@ export class Syncer { try { await this.scheduleSyncForOfflineChanges(); - const handlerPromise = awaitAll( - message.documents.map(async (document) => - this.internalSyncRemotelyUpdatedFile(document) - ) - ); - - await handlerPromise; - - if (message.isInitialSync && message.documents.length > 0) { - this.database.setLastSeenUpdateId( - message.documents - .map((document) => document.vaultUpdateId) - .reduce((a, b) => Math.max(a, b)) - ); + for (const remoteVersion of message.documents) { + this.queue.enqueue({ + type: SyncEventType.SyncRemote, + remoteVersion + }); } - this._isFirstSyncComplete = true; + // The initial sync is a complete snapshot so we can jump the + // minimum straight to the max vaultUpdateId. Subsequent + // broadcasts use addSeenUpdateId (called per-event inside each + // processor) which tracks contiguous coverage and won't advance + // past gaps — correct for incremental updates but wrong for a + // snapshot whose IDs are intentionally sparse + if (message.isInitialSync) { + this.queue.setLastSeenUpdateId( + Math.max( + ...message.documents.map((d) => d.vaultUpdateId), + this.queue.getLastSeenUpdateId() + ) + ); + this._isFirstSyncComplete = true; + } + + await this.scheduleDrain(); } catch (e) { + if (e instanceof SyncResetError) { + this.logger.info( + "Failed to sync remotely updated file due to a reset" + ); + return; + } this.logger.error(`Failed to sync remotely updated file: ${e}`); } } public reset(): void { this._isFirstSyncComplete = false; - this.syncQueue.clear(); - this.updatedDocumentsByPathAndKeysLocks.reset(); + this.queue.clear(); this.runningScheduleSyncForOfflineChanges = undefined; + // Do not set this.draining = undefined — the in-flight drain will + // exit naturally (SyncResetError or empty queue) and the promise + // chain stays intact, preventing concurrent drain invocations } + + private sendHandshakeMessage(): void { const message: WebSocketClientMessage = { type: "handshake", deviceId: this.deviceId, token: this.settings.getSettings().token, - lastSeenVaultUpdateId: this.database.getLastSeenUpdateId() + lastSeenVaultUpdateId: this.queue.getLastSeenUpdateId() }; this.webSocketManager.sendHandshakeMessage(message); } - private async internalSyncRemotelyUpdatedFile( - remoteVersion: DocumentVersionWithoutContent - ): Promise { - const document = this.database.getDocumentByDocumentId( - remoteVersion.documentId - ); - await this.enqueueSyncOperation( - async () => - this.unrestrictedSyncer.unrestrictedSyncRemotelyUpdatedFile( - remoteVersion, - document - ), - [ - document?.relativePath, - remoteVersion.relativePath, - remoteVersion.documentId - ] - ); - this.database.addSeenUpdateId(remoteVersion.vaultUpdateId); - } private async internalScheduleSyncForOfflineChanges(): Promise { const allLocalFiles = await this.operations.listFilesRecursively(); @@ -314,14 +265,40 @@ export class Syncer { `Scheduling sync for ${allLocalFiles.length} local files` ); - let locallyPossiblyDeletedFiles: DocumentRecord[] = []; + // Clear stale event tracking from any previous drain + this.queue.clear(); - for (const document of this.database.resolvedDocuments) { - if ( - !document.isDeleted && - !(await this.operations.exists(document.relativePath)) - ) { - locallyPossiblyDeletedFiles.push(document); + // Detect documents whose local path diverges from the server path. + // This happens when a rename was recorded while sync was disabled. + const allDocuments = this.queue.allDocuments(); + const locallyRenamedPaths = new Set(); + + for (const [path, record] of allDocuments) { + const remoteRelPath = record.remoteRelativePath; + const hasLocalRename = + remoteRelPath !== undefined && remoteRelPath !== path; + + if (hasLocalRename) { + // Enqueue a sync-local at the current (renamed) path; + // the processSyncLocal handler will detect the path + // divergence and send an update with the new path + this.queue.enqueue({ + type: SyncEventType.SyncLocal, + documentId: record.documentId, + }); + locallyRenamedPaths.add(path); + } + } + + // Find files that have been deleted locally + interface DocumentWithPath { + path: RelativePath; + record: DocumentRecord; + } + let locallyPossiblyDeletedFiles: DocumentWithPath[] = []; + for (const [path, record] of allDocuments) { + if (!(await this.operations.exists(path))) { + locallyPossiblyDeletedFiles.push({ path, record }); } } @@ -330,132 +307,934 @@ export class Syncer { relativePath: string; oldPath?: string; } - const instructions: (Instruction | undefined)[] = await awaitAll( - allLocalFiles.map(async (relativePath) => { - if ( - this.database.getLatestDocumentByRelativePath(relativePath) - ?.metadata !== undefined - ) { - this.logger.debug( - `Document ${relativePath} might have been updated locally, scheduling sync to validate and update it` - ); + const instructions: Instruction[] = []; - return { type: "update", relativePath } as Instruction; - } + for (const relativePath of allLocalFiles) { + if (locallyRenamedPaths.has(relativePath)) { + continue; + } - // Perhaps the file has been moved; let's check by looking at the deleted files - const contentHash = await this.syncQueue.add(async () => { + const existingRecord = this.queue.getDocument(relativePath); + + if (existingRecord !== undefined) { + // Verify the content actually belongs to this document. + // A file might exist at a known path but actually be a + // different document that was renamed here while offline + if (locallyPossiblyDeletedFiles.length > 0) { + let contentHash: string | undefined; try { - const contentBytes = - await this.operations.read(relativePath); // this can throw FileNotFoundError - return await hash(contentBytes); + const bytes = + await this.operations.read(relativePath); + contentHash = await hash(bytes); } catch (e) { - if ( - e instanceof Error && - e.name === "FileNotFoundError" - ) { - return undefined; - } + if (e instanceof FileNotFoundError) continue; throw e; } - }); - if (contentHash == undefined) { - // The file was deleted before we had a chance to read it, no need to sync it here - return; + if (contentHash !== existingRecord.hash) { + const originalFile = await findMatchingFile( + contentHash, + locallyPossiblyDeletedFiles + ); + if (originalFile !== undefined) { + // This file was moved here from a different path + locallyPossiblyDeletedFiles.push({ + path: relativePath, + record: existingRecord + }); + locallyPossiblyDeletedFiles = + locallyPossiblyDeletedFiles.filter( + (item) => + item.path !== originalFile.path + ); + + this.logger.debug( + `Document '${originalFile.path}' was moved to ${relativePath} (displacing existing document), scheduling sync to move it` + ); + instructions.push({ + type: "update", + oldPath: originalFile.path, + relativePath + }); + continue; + } + } } - const originalFile = findMatchingFile( - contentHash, - locallyPossiblyDeletedFiles + this.logger.debug( + `Document ${relativePath} might have been updated locally, scheduling sync to validate and update it` ); - if (originalFile !== undefined) { - // `originalFile` hasn't been deleted but it got moved instead - /* eslint-disable no-restricted-syntax -- Comparing by property, not direct equality */ - locallyPossiblyDeletedFiles = - locallyPossiblyDeletedFiles.filter( - (item) => - item.relativePath !== originalFile.relativePath - ); - /* eslint-enable no-restricted-syntax */ + instructions.push({ type: "update", relativePath }); + continue; + } - this.logger.debug( - `Document '${originalFile.relativePath}' was not found under its current path in the database but was found under a different path (${relativePath}), scheduling sync to move it` + // Perhaps the file has been moved; check by looking at the deleted files + let contentHash: string | undefined = undefined; + try { + const contentBytes = await this.operations.read(relativePath); + contentHash = await hash(contentBytes); + } catch (e) { + if (e instanceof FileNotFoundError) { + continue; + } + throw e; + } + + const originalFile = await findMatchingFile( + contentHash, + locallyPossiblyDeletedFiles + ); + if (originalFile !== undefined) { + locallyPossiblyDeletedFiles = + locallyPossiblyDeletedFiles.filter( + (item) => item.path !== originalFile.path ); - return { - type: "update", - oldPath: originalFile.relativePath, - relativePath - } as Instruction; - } - this.logger.debug( - `Document ${relativePath} not found in database, scheduling sync to create it` + `Document '${originalFile.path}' was not found under its current path in the database but was found under a different path (${relativePath}), scheduling sync to move it` ); - return { - type: "create", + instructions.push({ + type: "update", + oldPath: originalFile.path, relativePath - } as Instruction; - }) - ); + }); + continue; + } - // this has to happen strictly after the previous awaitAll, as that one - // might have removed some of the documents from the list - await awaitAll( - locallyPossiblyDeletedFiles.map(async ({ relativePath }) => { - this.logger.debug( - `Document ${relativePath} has been deleted locally, scheduling sync to delete it` - ); + this.logger.debug( + `Document ${relativePath} not found in database, scheduling sync to create it` + ); + instructions.push({ type: SyncEventType.Create, relativePath }); + } - // We're outside of the pqueue, so we need to call the public wrapper - return this.syncLocallyDeletedFile(relativePath); - }) - ); + // Enqueue deletes first + for (const { path } of locallyPossiblyDeletedFiles) { + this.logger.debug( + `Document ${path} has been deleted locally, scheduling sync to delete it` + ); + this.syncLocallyDeletedFile(path); + } - await awaitAll( - instructions.map(async (instruction) => { - if (instruction === undefined) { - return; - } + // Then updates/moves + for (const instruction of instructions) { + if (instruction.type === "update") { + this.syncLocallyUpdatedFile({ + oldPath: instruction.oldPath, + relativePath: instruction.relativePath + }); + } + } - if (instruction.type === "update") { - // We're outside of the pqueue, so we need to call the public wrapper - await this.syncLocallyUpdatedFile({ - oldPath: instruction.oldPath, - relativePath: instruction.relativePath - }); - return; - } - }) - ); + // Creates last so the server can merge with existing documents + for (const instruction of instructions) { + if (instruction.type === "create") { + this.syncLocallyCreatedFile(instruction.relativePath); + } + } - // we have to ensure the deletes & updates have finished before starting creates, - // otherwise the server might return an existing document (that we're about to delete) - // instead of actually creating a new one - await awaitAll( - instructions.map(async (instruction) => { - if (instruction === undefined) { - return; - } + await this.scheduleDrain(); + } - if (instruction.type === "create") { - // We're outside of the pqueue, so we need to call the public wrapper - await this.syncLocallyCreatedFile(instruction.relativePath); - return; - } - }) + + + private ensureDraining(): void { + this.draining = (this.draining ?? Promise.resolve()).then( + async () => this.drain() ); } - private async enqueueSyncOperation( - operation: () => Promise, - keys: (string | undefined | null)[] - ): Promise { - return this.updatedDocumentsByPathAndKeysLocks.withLock( - keys.filter((k) => k !== undefined && k !== null), - async () => this.syncQueue.add(operation) + private async scheduleDrain(): Promise { + this.ensureDraining(); + await this.draining; + } + + private async drain(): Promise { + let event = this.queue.next(); + while (event !== undefined) { + try { + await this.processEvent(event); + } catch (e) { + if (e instanceof SyncResetError) { + this.logger.info("Drain interrupted by sync reset"); + return; + } + this.logger.error( + `Failed to process sync event ${event.type}: ${e}` + ); + } + this.notifyRemainingOperationsChanged(); + event = this.queue.next(); + } + } + + private async processEvent(event: SyncEvent): Promise { + if (!this.settings.getSettings().isSyncEnabled) { + this.logger.info( + `Skipping sync operation because sync is disabled` + ); + return; + } + + try { + switch (event.type) { + case SyncEventType.Create: + await this.processCreate(event); + break; + case SyncEventType.Delete: + await this.processDelete(event); + break; + case SyncEventType.SyncLocal: + await this.processSyncLocal(event); + break; + case SyncEventType.SyncRemote: + await this.processSyncRemote(event); + break; + } + } catch (e) { + if (e instanceof FileNotFoundError) { + this.logger.info( + `Skipping sync event '${event.type}' because the file no longer exists` + ); + return; + } + if ( + e instanceof HttpClientError && + event.type === SyncEventType.SyncLocal + ) { + // The server rejected the update (e.g. document was + // deleted). Re-create only if local content differs + // from the last synced version — otherwise the remote + // delete should win + const doc = this.queue.getDocumentByDocumentId( + event.documentId + ); + if (doc === undefined) return; + const { path: eventPath, record } = doc; + if (await this.operations.exists(eventPath)) { + const localBytes = + await this.operations.read(eventPath); + const localHash = await hash(localBytes); + if (localHash !== record.hash) { + this.logger.info( + `Server rejected update for ${eventPath} but local content changed, re-creating` + ); + this.queue.removeDocument(eventPath); + this.syncLocallyCreatedFile(eventPath); + return; + } + } + this.logger.info( + `Server rejected update for ${eventPath} (${e.message}), removing local copy` + ); + this.queue.removeDocument(eventPath); + await this.operations.delete(eventPath); + return; + } + if (e instanceof HttpClientError) { + // Server rejected a request (e.g. updating a deleted + // document during sync-remote processing). Not an + // error — the next offline scan will reconcile + this.logger.info( + `Server rejected ${event.type} request: ${e.message}` + ); + return; + } + throw e; + } + } + + + + private async processCreate( + event: Extract + ): Promise { + const effectivePath = event.path; + const contentBytes = await this.operations.read(effectivePath); + const contentHash = await hash(contentBytes); + + const oversizedEntry = this.getHistoryEntryForSkippedOversizedFile( + contentBytes.byteLength, + effectivePath ); + if (oversizedEntry !== undefined) { + this.history.addHistoryEntry(oversizedEntry); + return; + } + + const response = await this.syncService.create({ + relativePath: effectivePath, + contentBytes + }); + + // Handle concurrent move & creation: the server merged our create + // with an existing document that we also have locally at a different path + const existingDoc = this.queue.getDocumentByDocumentId( + response.documentId + ); + if (existingDoc !== undefined && existingDoc.path !== effectivePath) { + this.logger.info( + `Merging existing document ${existingDoc.path} into ${effectivePath} after concurrent move & creation` + ); + await this.operations.delete(existingDoc.path); + this.queue.removeDocument(existingDoc.path); + } + + // When the server deconflicts the create to a different path, another + // document may now occupy the original path (downloaded while the + // create was in flight). handleMaybeMergingResponse would move the + // file AND the foreign document's record to the deconflicted path, + // then overwrite it — orphaning the foreign document. Handle this + // by writing directly to the deconflicted path instead of moving + const foreignRecord = this.queue.getDocument(effectivePath); + const pathOccupiedByForeignDocument = + response.relativePath !== effectivePath && + foreignRecord !== undefined && + foreignRecord.documentId !== response.documentId; + + if (pathOccupiedByForeignDocument) { + const actualPath = response.relativePath; + + if ("type" in response && response.type === "MergingUpdate") { + const responseBytes = base64ToBytes(response.contentBase64); + await this.operations.create(actualPath, responseBytes); + const afterWriteBytes = + await this.operations.read(actualPath); + const afterWriteHash = await hash(afterWriteBytes); + this.queue.setDocument(actualPath, { + documentId: response.documentId, + parentVersionId: response.vaultUpdateId, + hash: afterWriteHash, + remoteRelativePath: response.relativePath + }); + await this.updateCache( + response.vaultUpdateId, + responseBytes, + actualPath + ); + } else { + await this.operations.create(actualPath, contentBytes); + this.queue.setDocument(actualPath, { + documentId: response.documentId, + parentVersionId: response.vaultUpdateId, + hash: contentHash, + remoteRelativePath: response.relativePath + }); + await this.updateCache( + response.vaultUpdateId, + contentBytes, + actualPath + ); + } + } else { + await this.handleMaybeMergingResponse({ + path: effectivePath, + response, + contentHash, + originalContentBytes: contentBytes + }); + } + + this.queue.addSeenUpdateId(response.vaultUpdateId); + + this.history.addHistoryEntry({ + status: SyncStatus.SUCCESS, + details: { type: SyncType.CREATE, relativePath: effectivePath }, + message: response.type === "MergingUpdate" + ? "Created file and merged with existing remote version" + : "Successfully created file on the server", + author: response.userId, + timestamp: new Date(response.updatedDate) + }); + } + + private async processDelete( + event: Extract + ): Promise { + let { documentId } = event; + const { path } = event; + + // Empty string means the documentId wasn't known when the + // delete was enqueued (e.g. a create was still in flight). + // Try to resolve it from the store now that the create may + // have completed + if (documentId === "") { + const record = this.queue.getDocument(path); + if (record === undefined) { + this.logger.debug( + "Skipping delete for a document whose create was cancelled" + ); + return; + } + documentId = record.documentId; + } + + // For displacement deletes (side effect of a rename), check + // if another client updated the document since our last known + // version. If so, skip the delete to preserve their edits + if (event.displacedAtVersion !== undefined) { + const latest = await this.syncService.get({ documentId }); + if ( + !latest.isDeleted && + latest.vaultUpdateId > event.displacedAtVersion + ) { + this.logger.info( + `Skipping displacement delete for ${documentId} — document was updated by another client` + ); + // Allow broadcasts for this document to be processed + // normally so the updated content is downloaded + this.queue.unmarkRecentlyDeleted(documentId); + return; + } + } + + // Use the document's current path from the store if available, + // otherwise fall back to the path from the event (e.g. when the + // document was displaced by a move and already removed from the store) + const doc = this.queue.getDocumentByDocumentId(documentId); + const relativePath = doc?.path ?? path; + + const response = await this.syncService.delete({ + documentId, + relativePath + }); + + // Only remove the document record if it still belongs to this + // documentId; the path may have been reused by a different document + // (e.g. after a move-to-occupied-path) + if (doc !== undefined) { + this.queue.removeDocument(doc.path); + } + this.queue.addSeenUpdateId(response.vaultUpdateId); + + this.history.addHistoryEntry({ + status: SyncStatus.SUCCESS, + details: { + type: SyncType.DELETE, + relativePath + }, + message: "Successfully deleted file on the server", + author: response.userId + }); + } + + private async processSyncLocal( + event: Extract + ): Promise { + const doc = this.queue.getDocumentByDocumentId(event.documentId); + + if (doc === undefined) { + this.logger.debug( + `Skipping sync-local for unknown document ${event.documentId}` + ); + return; + } + + const { path: eventPath, record } = doc; + + // Read file and compare hash + const contentBytes = await this.operations.read(eventPath); + const contentHash = await hash(contentBytes); + + const pathChanged = + record.remoteRelativePath !== undefined && + record.remoteRelativePath !== eventPath; + + if (contentHash === record.hash && !pathChanged) { + this.logger.debug( + `File hash of ${eventPath} matches last synced version; no need to sync` + ); + return; + } + + const response = await this.sendUpdate( + record, + eventPath, + contentBytes + ); + + await this.handleMaybeMergingResponse({ + path: eventPath, + response, + contentHash, + originalContentBytes: contentBytes + }); + + this.queue.addSeenUpdateId(response.vaultUpdateId); + + const isMerge = + "type" in response && response.type === "MergingUpdate"; + this.history.addHistoryEntry({ + status: SyncStatus.SUCCESS, + details: { + type: SyncType.UPDATE, + relativePath: eventPath + }, + message: isMerge + ? "Updated file and merged with remote changes" + : "Successfully updated file on the server", + author: response.userId, + timestamp: new Date(response.updatedDate) + }); + } + + private async processSyncRemote( + event: Extract + ): Promise { + const { remoteVersion } = event; + const existingDoc = this.queue.getDocumentByDocumentId( + remoteVersion.documentId + ); + + if (existingDoc !== undefined) { + if ( + existingDoc.record.parentVersionId >= + remoteVersion.vaultUpdateId + ) { + this.logger.debug( + `Document ${existingDoc.path} is already up-to-date` + ); + this.queue.addSeenUpdateId(remoteVersion.vaultUpdateId); + return; + } + + await this.processRemoteUpdateForExistingDocument( + existingDoc.path, + existingDoc.record, + remoteVersion + ); + return; + } + + if (this.queue.wasRecentlyDeleted(remoteVersion.documentId)) { + this.logger.debug( + `Ignoring stale broadcast for recently-deleted document ${remoteVersion.documentId}` + ); + this.queue.addSeenUpdateId(remoteVersion.vaultUpdateId); + return; + } + + if (remoteVersion.isDeleted) { + this.logger.debug( + `Document ${remoteVersion.relativePath} has been deleted remotely, no need to sync` + ); + this.queue.addSeenUpdateId(remoteVersion.vaultUpdateId); + return; + } + + await this.processRemoteUpdateForNewDocument(remoteVersion); + } + + private async processRemoteUpdateForExistingDocument( + currentPath: RelativePath, + record: DocumentRecord, + remoteVersion: DocumentVersionWithoutContent + ): Promise { + if (remoteVersion.isDeleted) { + // Check for local changes before deleting + let hasLocalChanges = false; + try { + const contentBytes = await this.operations.read(currentPath); + const contentHash = await hash(contentBytes); + hasLocalChanges = record.hash !== contentHash; + } catch (e) { + if (!(e instanceof FileNotFoundError)) throw e; + } + + if (hasLocalChanges) { + // Local changes survive; re-upload as a new document + this.queue.removeDocument(currentPath); + this.syncLocallyCreatedFile(currentPath); + this.queue.addSeenUpdateId(remoteVersion.vaultUpdateId); + return; + } + + await this.operations.delete(currentPath); + this.queue.removeDocument(currentPath); + this.queue.addSeenUpdateId(remoteVersion.vaultUpdateId); + + this.history.addHistoryEntry({ + status: SyncStatus.SUCCESS, + details: { + type: SyncType.DELETE, + relativePath: currentPath + }, + message: + "Successfully deleted file which had been deleted remotely", + author: remoteVersion.userId, + timestamp: new Date(remoteVersion.updatedDate) + }); + return; + } + + // Fetch the latest full version from the server + const fullVersion = await this.syncService.get({ + documentId: remoteVersion.documentId + }); + + // The document may have been deleted between the broadcast + // and the fetch — handle it the same as a remote delete + if (fullVersion.isDeleted) { + const contentBytes = await this.operations.read(currentPath); + const localHash = await hash(contentBytes); + if (localHash !== record.hash) { + this.queue.removeDocument(currentPath); + this.syncLocallyCreatedFile(currentPath); + } else { + await this.operations.delete(currentPath); + this.queue.removeDocument(currentPath); + } + this.queue.addSeenUpdateId(fullVersion.vaultUpdateId); + return; + } + + const contentBytes = await this.operations.read(currentPath); + const contentHash = await hash(contentBytes); + + const hasLocalChanges = record.hash !== contentHash; + + if (hasLocalChanges) { + const response = await this.sendUpdate( + record, + currentPath, + contentBytes + ); + + await this.handleMaybeMergingResponse({ + path: currentPath, + response, + contentHash, + originalContentBytes: contentBytes + }); + + this.queue.addSeenUpdateId(response.vaultUpdateId); + + this.history.addHistoryEntry({ + status: SyncStatus.SUCCESS, + details: { + type: SyncType.UPDATE, + relativePath: currentPath + }, + message: "Merged local changes with remote update", + author: response.userId, + timestamp: new Date(response.updatedDate) + }); + } else { + const responseBytes = base64ToBytes(fullVersion.contentBase64); + + // Handle remote path change + let actualPath = currentPath; + if ( + fullVersion.relativePath !== currentPath && + record.remoteRelativePath === currentPath + ) { + actualPath = fullVersion.relativePath; + await this.operations.delete(fullVersion.relativePath); + await this.operations.move( + currentPath, + fullVersion.relativePath + ); + } + + await this.operations.write( + actualPath, + contentBytes, + responseBytes + ); + + // Re-read and re-hash after write (the 3-way merge may produce different content) + const afterWriteBytes = await this.operations.read(actualPath); + const afterWriteHash = await hash(afterWriteBytes); + + this.queue.setDocument(actualPath, { + documentId: fullVersion.documentId, + parentVersionId: fullVersion.vaultUpdateId, + hash: afterWriteHash, + remoteRelativePath: fullVersion.relativePath + }); + + // If the path changed, remove the old entry + if (actualPath !== currentPath) { + this.queue.removeDocument(currentPath); + } + + await this.updateCache( + fullVersion.vaultUpdateId, + responseBytes, + actualPath + ); + this.queue.addSeenUpdateId(fullVersion.vaultUpdateId); + + this.history.addHistoryEntry({ + status: SyncStatus.SUCCESS, + details: + actualPath !== currentPath + ? { + type: SyncType.MOVE, + relativePath: actualPath, + movedFrom: currentPath + } + : { + type: SyncType.UPDATE, + relativePath: actualPath + }, + message: + "Successfully downloaded remotely updated file from the server", + author: fullVersion.userId, + timestamp: new Date(fullVersion.updatedDate) + }); + } + } + + private async processRemoteUpdateForNewDocument( + remoteVersion: DocumentVersionWithoutContent + ): Promise { + const oversizedEntry = this.getHistoryEntryForSkippedOversizedFile( + remoteVersion.contentSize, + remoteVersion.relativePath + ); + if (oversizedEntry !== undefined) { + this.history.addHistoryEntry(oversizedEntry); + return; + } + + const contentBytes = + await this.syncService.getDocumentVersionContent({ + documentId: remoteVersion.documentId, + vaultUpdateId: remoteVersion.vaultUpdateId + }); + + // A concurrent operation may have created the document already + const existingDoc = this.queue.getDocumentByDocumentId( + remoteVersion.documentId + ); + if (existingDoc !== undefined) { + this.logger.debug( + `Document ${remoteVersion.relativePath} has already been created locally` + ); + return; + } + + const deconflictedPath = await this.operations.ensureClearPath( + remoteVersion.relativePath + ); + if (deconflictedPath !== undefined) { + // The displaced file was moved to a deconflicted path. + // Remove its document record so the offline scan treats + // it as a new file rather than an existing document that + // needs its path synced (which would create duplicates) + this.queue.removeDocument(deconflictedPath); + } + + const contentHash = await hash(contentBytes); + this.queue.setDocument(remoteVersion.relativePath, { + documentId: remoteVersion.documentId, + parentVersionId: remoteVersion.vaultUpdateId, + hash: contentHash, + remoteRelativePath: remoteVersion.relativePath + }); + + await this.operations.create( + remoteVersion.relativePath, + contentBytes + ); + + await this.updateCache( + remoteVersion.vaultUpdateId, + contentBytes, + remoteVersion.relativePath + ); + + this.queue.addSeenUpdateId(remoteVersion.vaultUpdateId); + + this.history.addHistoryEntry({ + status: SyncStatus.SUCCESS, + details: { + type: SyncType.CREATE, + relativePath: remoteVersion.relativePath + }, + message: + "Successfully downloaded remote file which hadn't existed locally", + author: remoteVersion.userId, + timestamp: new Date(remoteVersion.updatedDate) + }); + } + + + + private async sendUpdate( + record: DocumentRecord, + relativePath: RelativePath, + contentBytes: Uint8Array + ): Promise { + const isText = + !isBinary(contentBytes) && + isFileTypeMergable( + relativePath, + (await this.serverConfig.getConfig()).mergeableFileExtensions + ); + + const cachedVersion = this.contentCache.get(record.parentVersionId); + + if (isText && cachedVersion !== undefined) { + return this.syncService.putText({ + documentId: record.documentId, + parentVersionId: record.parentVersionId, + relativePath, + content: diff( + new TextDecoder().decode(cachedVersion), + new TextDecoder().decode(contentBytes) + ) + }); + } + + return this.syncService.putBinary({ + documentId: record.documentId, + parentVersionId: record.parentVersionId, + relativePath, + contentBytes + }); + } + + private async handleMaybeMergingResponse({ + path, + response, + contentHash, + originalContentBytes + }: { + path: RelativePath; + response: DocumentUpdateResponse; + contentHash: string; + originalContentBytes: Uint8Array; + }): Promise { + if (response.isDeleted) { + // If the local file has been edited, re-create it as a new + // document so local edits survive the remote delete + if (await this.operations.exists(path)) { + const localBytes = await this.operations.read(path); + const localHash = await hash(localBytes); + const record = this.queue.getDocument(path); + if (record !== undefined && localHash !== record.hash) { + this.queue.removeDocument(path); + this.queue.addSeenUpdateId(response.vaultUpdateId); + this.syncLocallyCreatedFile(path); + return; + } + } + await this.operations.delete(path); + this.queue.removeDocument(path); + return; + } + + let actualPath = path; + + // Server may have changed the path (e.g. first-rename-wins conflict) + if (response.relativePath !== path) { + actualPath = response.relativePath; + const displacedPath = await this.operations.move( + path, + response.relativePath + ); + if (displacedPath !== undefined) { + const displacedRecord = + this.queue.getDocument(displacedPath); + if (displacedRecord !== undefined) { + const displacedBytes = + await this.operations.read(displacedPath); + const displacedHash = await hash(displacedBytes); + if (displacedHash !== displacedRecord.hash) { + this.queue.enqueue({ + type: SyncEventType.SyncLocal, + documentId: displacedRecord.documentId, + }); + } + } + } + // Remove old path entry; the new path will be set below + this.queue.removeDocument(path); + } + + if ("type" in response && response.type === "MergingUpdate") { + const responseBytes = base64ToBytes(response.contentBase64); + await this.operations.write( + actualPath, + originalContentBytes, + responseBytes + ); + + // Re-read and re-hash after write (invariant #3) + const afterWriteBytes = await this.operations.read(actualPath); + const afterWriteHash = await hash(afterWriteBytes); + + this.queue.setDocument(actualPath, { + documentId: response.documentId, + parentVersionId: response.vaultUpdateId, + hash: afterWriteHash, + remoteRelativePath: response.relativePath + }); + + // Cache the SERVER's content, not local (invariant #2) + await this.updateCache( + response.vaultUpdateId, + responseBytes, + actualPath + ); + } else { + // Fast-forward update: no merge needed + this.queue.setDocument(actualPath, { + documentId: response.documentId, + parentVersionId: response.vaultUpdateId, + hash: contentHash, + remoteRelativePath: response.relativePath + }); + + await this.updateCache( + response.vaultUpdateId, + originalContentBytes, + actualPath + ); + } + } + + private async updateCache( + updateId: VaultUpdateId, + contentBytes: Uint8Array, + filePath: RelativePath + ): Promise { + if ( + isFileTypeMergable( + filePath, + (await this.serverConfig.getConfig()).mergeableFileExtensions + ) && + !isBinary(contentBytes) + ) { + this.contentCache.put(updateId, contentBytes); + } + } + + private getHistoryEntryForSkippedOversizedFile( + sizeInBytes: number, + relativePath: RelativePath + ): CommonHistoryEntry | undefined { + const sizeInMB = Math.round(sizeInBytes / 1024 / 1024); + const { maxFileSizeMB } = this.settings.getSettings(); + if (sizeInMB > maxFileSizeMB) { + return { + status: SyncStatus.SKIPPED, + details: { + type: SyncType.SKIPPED as const, + relativePath + }, + message: `File size of ${sizeInMB} MB exceeds the maximum file size limit of ${maxFileSizeMB} MB` + }; + } + } + + private notifyRemainingOperationsChanged(): void { + const currentCount = this.queue.size; + if (this.previousRemainingOperationsCount !== currentCount) { + this.previousRemainingOperationsCount = currentCount; + this.onRemainingOperationsCountChanged.trigger(currentCount); + } } } diff --git a/frontend/sync-client/src/sync-operations/types.ts b/frontend/sync-client/src/sync-operations/types.ts new file mode 100644 index 00000000..f722aa8a --- /dev/null +++ b/frontend/sync-client/src/sync-operations/types.ts @@ -0,0 +1,42 @@ +import type { DocumentVersionWithoutContent } from "../services/types/DocumentVersionWithoutContent"; + +export type VaultUpdateId = number; +export type DocumentId = string; +export type RelativePath = string; + +export interface DocumentRecord { + documentId: DocumentId; + parentVersionId: VaultUpdateId; + hash: string; + remoteRelativePath?: RelativePath; +} + +export interface StoredDocument extends DocumentRecord { + relativePath: RelativePath; +} + +export interface StoredSyncState { + documents: StoredDocument[]; + lastSeenUpdateId: VaultUpdateId | undefined; +} + +export enum SyncEventType { + Create = "create", + SyncLocal = "sync-local", + SyncRemote = "sync-remote", + Delete = "delete", +} + +export type SyncEvent = + | { type: SyncEventType.Create; path: RelativePath } + | { type: SyncEventType.SyncLocal; documentId: DocumentId } + | { + type: SyncEventType.Delete; + documentId: DocumentId; + path: RelativePath; + displacedAtVersion?: VaultUpdateId; + } + | { + type: SyncEventType.SyncRemote; + remoteVersion: DocumentVersionWithoutContent; + }; diff --git a/frontend/sync-client/src/sync-operations/unrestricted-syncer.ts b/frontend/sync-client/src/sync-operations/unrestricted-syncer.ts deleted file mode 100644 index 98a64f5d..00000000 --- a/frontend/sync-client/src/sync-operations/unrestricted-syncer.ts +++ /dev/null @@ -1,612 +0,0 @@ -import type { - Database, - DocumentRecord, - RelativePath -} from "../persistence/database"; -import { diff } from "reconcile-text"; -import type { SyncService } from "../services/sync-service"; -import type { Logger } from "../tracing/logger"; -import type { - CommonHistoryEntry, - SyncCreateDetails, - SyncDeleteDetails, - SyncDetails, - SyncHistory, - SyncMovedDetails, - SyncUpdateDetails -} from "../tracing/sync-history"; -import { SyncStatus, SyncType } from "../tracing/sync-history"; -import { EMPTY_HASH, hash } from "../utils/hash"; -import { base64ToBytes } from "byte-base64"; -import type { Settings } from "../persistence/settings"; -import type { FileOperations } from "../file-operations/file-operations"; -import { FileNotFoundError } from "../errors/file-not-found-error"; -import { SyncResetError } from "../errors/sync-reset-error"; -import { globsToRegexes } from "../utils/globs-to-regexes"; -import type { DocumentVersion } from "../services/types/DocumentVersion"; -import type { DocumentUpdateResponse } from "../services/types/DocumentUpdateResponse"; -import type { DocumentVersionWithoutContent } from "../services/types/DocumentVersionWithoutContent"; -import type { FixedSizeDocumentCache } from "../utils/data-structures/fix-sized-cache"; -import { isFileTypeMergable } from "../utils/is-file-type-mergable"; -import { isBinary } from "../utils/is-binary"; -import type { ServerConfig } from "../services/server-config"; - -export class UnrestrictedSyncer { - private ignorePatterns: RegExp[]; - - public constructor( - private readonly logger: Logger, - private readonly database: Database, - private readonly settings: Settings, - private readonly syncService: SyncService, - private readonly operations: FileOperations, - private readonly history: SyncHistory, - private readonly contentCache: FixedSizeDocumentCache, - private readonly serverConfig: ServerConfig - ) { - this.ignorePatterns = globsToRegexes( - this.settings.getSettings().ignorePatterns, - this.logger - ); - - this.settings.onSettingsChanged.add((newSettings) => { - this.ignorePatterns = globsToRegexes( - newSettings.ignorePatterns, - this.logger - ); - }); - } - - public async unrestrictedSyncLocallyCreatedOrUpdatedFile({ - oldPath, - // We use the same code path for both local and remote updates. We need to force the update - // if there are no local changes but we know that the remote version is newer. - force = false, - document - }: { - oldPath?: RelativePath; - force?: boolean; - document: DocumentRecord; - }): Promise { - const updateDetails: - | SyncCreateDetails - | SyncUpdateDetails - | SyncMovedDetails = - document.metadata === undefined - ? { - type: SyncType.CREATE, - relativePath: document.relativePath - } - : oldPath !== undefined - ? { - type: SyncType.MOVE, - relativePath: document.relativePath, - movedFrom: oldPath - } - : { - type: SyncType.UPDATE, - relativePath: document.relativePath - }; - - await this.executeSync(updateDetails, async () => { - const originalRelativePath = document.relativePath; - - if (document.isDeleted) { - this.logger.debug( - `Document ${document.relativePath} has been already deleted, no need to update it` - ); - return; - } - - const contentBytes = await this.operations.read( - document.relativePath - ); // this can throw FileNotFoundError - const contentHash = await hash(contentBytes); - - let response: DocumentVersion | DocumentUpdateResponse | undefined = - undefined; - if (document.metadata === undefined) { - response = await this.syncService.create({ - relativePath: originalRelativePath, - contentBytes - }); - - await this.handleMaybeMergingResponse({ - document, - response, - contentHash, - originalRelativePath, - originalContentBytes: contentBytes, - isCreate: true - }); - } else { - const areThereLocalChanges = - document.metadata.hash !== contentHash || - oldPath !== undefined; - - if (areThereLocalChanges) { - const isText = - !isBinary(contentBytes) && - isFileTypeMergable( - document.relativePath, - (await this.serverConfig.getConfig()) - .mergeableFileExtensions - ); - const cachedVersion = this.contentCache.get( - document.metadata.parentVersionId - ); - - response = - isText && cachedVersion !== undefined - ? await this.syncService.putText({ - documentId: document.metadata.documentId, - parentVersionId: - document.metadata.parentVersionId, - relativePath: document.relativePath, - content: diff( - new TextDecoder().decode(cachedVersion), - new TextDecoder().decode(contentBytes) - ) - }) - : await this.syncService.putBinary({ - documentId: document.metadata.documentId, - parentVersionId: - document.metadata.parentVersionId, - relativePath: document.relativePath, - contentBytes - }); - } else { - if (!force) { - this.logger.debug( - `File hash of ${document.relativePath} matches with last synced version and the path hasn't changed; no need to sync` - ); - return; - } - - // we use this code path (force == true) to sync remotely updated files which have no local changes - response = await this.syncService.get({ - documentId: document.metadata.documentId - }); - } - - await this.handleMaybeMergingResponse({ - document, - response, - contentHash, - originalRelativePath, - originalContentBytes: contentBytes - }); - } - - if (!("type" in response) || response.type === "MergingUpdate") { - if (!force) { - this.history.addHistoryEntry({ - status: SyncStatus.SUCCESS, - details: updateDetails, - message: `The file we updated had been updated remotely, so we downloaded the merged version` - }); - return; - } - } - - const actualUpdateDetails: SyncUpdateDetails | SyncMovedDetails = - oldPath !== undefined || - response.relativePath != originalRelativePath - ? { - type: SyncType.MOVE, - relativePath: response.relativePath, - movedFrom: originalRelativePath - } - : { - type: SyncType.UPDATE, - relativePath: response.relativePath - }; - - if (!response.isDeleted) { - this.history.addHistoryEntry({ - status: SyncStatus.SUCCESS, - details: actualUpdateDetails, - message: `Successfully downloaded remotely updated file from the server`, - author: response.userId, - timestamp: new Date(response.updatedDate) - }); - } else { - this.history.addHistoryEntry({ - status: SyncStatus.SUCCESS, - details: { - type: SyncType.DELETE, - relativePath: document.relativePath - }, - message: - "Successfully deleted file which had been deleted remotely", - author: response.userId, - timestamp: new Date(response.updatedDate) - }); - } - }); - } - - public async unrestrictedSyncLocallyDeletedFile( - document: DocumentRecord - ): Promise { - const updateDetails: SyncDeleteDetails = { - type: SyncType.DELETE, - relativePath: document.relativePath - }; - - await this.executeSync(updateDetails, async () => { - if (document.metadata === undefined) { - this.logger.debug( - `Document ${document.relativePath} has never been synced, no need to delete it remotely` - ); - return; - } - - const response = await this.syncService.delete({ - documentId: document.metadata.documentId, - relativePath: document.relativePath - }); - - this.database.updateDocumentMetadata( - { - documentId: response.documentId, - parentVersionId: response.vaultUpdateId, - hash: EMPTY_HASH, - remoteRelativePath: document.relativePath - }, - document - ); - - this.database.addSeenUpdateId(response.vaultUpdateId); - - this.history.addHistoryEntry({ - status: SyncStatus.SUCCESS, - details: updateDetails, - message: `Successfully deleted locally deleted file on the server`, - author: response.userId - }); - }); - } - - public async unrestrictedSyncRemotelyUpdatedFile( - remoteVersion: DocumentVersionWithoutContent, - document?: DocumentRecord - ): Promise { - const updateDetails: SyncCreateDetails = { - type: SyncType.CREATE, - relativePath: remoteVersion.relativePath - }; - - await this.executeSync(updateDetails, async () => { - if (document?.metadata !== undefined) { - // If the file exists locally, let's pretend the user has updated it - // and deal with remote update/deletion within `unrestrictedSyncLocallyUpdatedFile` - if ( - document.metadata.parentVersionId >= - remoteVersion.vaultUpdateId - ) { - this.logger.debug( - `Document ${document.relativePath} is already at least as up-to-date as the fetched version` - ); - - return; - } - - return this.unrestrictedSyncLocallyCreatedOrUpdatedFile({ - document, - force: true - }); - } else if (remoteVersion.isDeleted) { - // Either the document hasn't made it to us before and therefore we don't need to delete it, - // or we already have it, in which case the preceeding if would've dealt with it - this.logger.debug( - `Document ${remoteVersion.relativePath} has been deleted remotely, no need to sync` - ); - return; - } - - // Don't download oversized files - const historyEntryForSkippedOversizedFile = - this.getHistoryEntryForSkippedOversizedFile( - remoteVersion.contentSize, - remoteVersion.relativePath - ); - if (historyEntryForSkippedOversizedFile !== undefined) { - this.history.addHistoryEntry( - historyEntryForSkippedOversizedFile - ); - return; - } - - const contentBytes = - await this.syncService.getDocumentVersionContent({ - documentId: remoteVersion.documentId, - vaultUpdateId: remoteVersion.vaultUpdateId - }); - - // We're trying to create an entirely new document that didn't exist locally - document = this.database.getDocumentByDocumentId( - remoteVersion.documentId - ); - // It can happen that a concurrent sync operation has already created the document, so we can bail here - if (document !== undefined) { - this.logger.debug( - `Document ${remoteVersion.relativePath} has already been created locally, no need to create it again` - ); - return; - } - - await this.operations.ensureClearPath(remoteVersion.relativePath); - - this.database.updateDocumentMetadata( - { - documentId: remoteVersion.documentId, - parentVersionId: remoteVersion.vaultUpdateId, - hash: await hash(contentBytes), - remoteRelativePath: remoteVersion.relativePath - }, - this.database.createNewPendingDocument( - remoteVersion.relativePath - ) - ); - - await this.operations.create( - remoteVersion.relativePath, - contentBytes - ); - await this.updateCache( - remoteVersion.vaultUpdateId, - contentBytes, - remoteVersion.relativePath - ); - - this.history.addHistoryEntry({ - status: SyncStatus.SUCCESS, - details: updateDetails, - message: `Successfully downloaded remote file which hadn't existed locally`, - author: remoteVersion.userId, - timestamp: new Date(remoteVersion.updatedDate) - }); - }); - } - - private async executeSync( - details: SyncDetails, - fn: () => Promise - ): Promise { - if (!this.settings.getSettings().isSyncEnabled) { - this.logger.info( - `Skipping sync operation for file '${details.relativePath}' because sync is disabled` - ); - return; - } - - for (const pattern of this.ignorePatterns) { - if (pattern.test(details.relativePath)) { - this.logger.debug( - `File '${details.relativePath}' is ignored by the ignore pattern: ${pattern}` - ); - return; // bail without SKIPPED status because we were told to ignore this file and we shouldn't clutter up the history - } - } - - try { - // Only check the size of files which already exist locally. - if (await this.operations.exists(details.relativePath)) { - const sizeInBytes = await this.operations.getFileSize( - details.relativePath - ); - const historyEntryForSkippedOversizedFile = - this.getHistoryEntryForSkippedOversizedFile( - sizeInBytes, - details.relativePath - ); - if (historyEntryForSkippedOversizedFile !== undefined) { - this.history.addHistoryEntry( - historyEntryForSkippedOversizedFile - ); - return; - } - } - - return await fn(); - } catch (e) { - if (e instanceof FileNotFoundError) { - // A subsequent sync operation must have been creating to deal with this - this.logger.info( - `Skiping file '${details.relativePath}' because it no longer exists when trying to ${details.type.toLocaleLowerCase()} it` - ); - return; - } - if (e instanceof SyncResetError) { - this.logger.info( - `Interrupting sync operation because of a reset` - ); - return; - } else { - this.history.addHistoryEntry({ - status: SyncStatus.ERROR, - details, - message: `Failed to sync file '${details.relativePath}' because of ${e} when trying to ${details.type.toLocaleLowerCase()} it` - }); - throw e; - } - } - } - - private async handleMaybeMergingResponse({ - document, - response, - contentHash, - originalRelativePath, - originalContentBytes, - isCreate - }: { - document: DocumentRecord; - response: DocumentVersion | DocumentUpdateResponse; - contentHash: string; - originalRelativePath: string; - originalContentBytes: Uint8Array; - isCreate?: boolean; - }): Promise { - // `document` is mutable and reflects the latest state in the local database - if (document.isDeleted) { - this.logger.info( - `Document ${document.relativePath} has been deleted before we could finish updating it` - ); - this.database.addSeenUpdateId(response.vaultUpdateId); - return; - } - - if ( - (document.metadata?.parentVersionId ?? 0) > response.vaultUpdateId - ) { - this.logger.debug( - `Document ${document.relativePath} is already more up to date than the fetched version` - ); - this.database.addSeenUpdateId(response.vaultUpdateId); // in case the previous `vaultUpdateId` update hasn't made it through - return; - } - - if (response.isDeleted) { - return this.applyRemoteDeleteLocally(document, response); - } - - let actualPath = document.relativePath; - - if (isCreate) { - // We have a file locally that got moved by another client to the same path as the one we're trying to create. - // The server returns a merging update for the document ID that already exists locally (but at another path). - // We have to merge these two documents by extending the provenance of the existing document and deleting - // the old document that the new document already contains the content for. - const existingDocument = this.database.getDocumentByDocumentId( - response.documentId - ); - if (existingDocument !== undefined) { - this.logger.info( - `Merging existing document ${existingDocument.relativePath} into ${document.relativePath - } after concurrent move & creation` - ); - if (!existingDocument.isDeleted) { - this.database.delete(existingDocument.relativePath); // make sure syncLocallyDeletedFile doesn't actually schedule deleting the new file - this.database.removeDocument(existingDocument); - await this.operations.move(existingDocument.relativePath, document.relativePath); - } else { - this.database.removeDocument(existingDocument); - } - } - } - - // this can't happen on the creation path as we can only get a merging response if a document already exists remotely on the same path - if (response.relativePath != originalRelativePath) { - actualPath = response.relativePath; - // Make sure to update the remote relative path to avoid uploading - // the file as a result of this filesystem event. - if (document.metadata !== undefined) { - document.metadata.remoteRelativePath = response.relativePath; - } - await this.operations.move( - document.relativePath, - response.relativePath - ); // this can throw FileNotFoundError - } - - if (!("type" in response) || response.type === "MergingUpdate") { - const responseBytes = base64ToBytes(response.contentBase64); - contentHash = await hash(responseBytes); - - this.database.updateDocumentMetadata( - { - documentId: response.documentId, - parentVersionId: response.vaultUpdateId, - hash: contentHash, - remoteRelativePath: response.relativePath - }, - document - ); - - await this.operations.write( - actualPath, - originalContentBytes, - responseBytes - ); - await this.updateCache( - response.vaultUpdateId, - responseBytes, - actualPath - ); - } else { - this.database.updateDocumentMetadata( - { - documentId: response.documentId, - parentVersionId: response.vaultUpdateId, - hash: contentHash, - remoteRelativePath: response.relativePath - }, - document - ); - await this.updateCache( - response.vaultUpdateId, - originalContentBytes, - actualPath - ); - } - - this.database.addSeenUpdateId(response.vaultUpdateId); - } - - private getHistoryEntryForSkippedOversizedFile( - sizeInBytes: number, - relativePath: RelativePath - ): CommonHistoryEntry | undefined { - const sizeInMB = Math.round(sizeInBytes / 1024 / 1024); - const { maxFileSizeMB } = this.settings.getSettings(); - if (sizeInMB > maxFileSizeMB) { - return { - status: SyncStatus.SKIPPED, - details: { - type: SyncType.SKIPPED, - relativePath - }, - message: `File size of ${sizeInMB} MB exceeds the maximum file size limit of ${maxFileSizeMB - } MB` - }; - } - } - - private async updateCache( - updateId: number, - contentBytes: Uint8Array, - filePath: RelativePath - ): Promise { - if ( - isFileTypeMergable( - filePath, - (await this.serverConfig.getConfig()).mergeableFileExtensions - ) && - !isBinary(contentBytes) - ) { - this.contentCache.put(updateId, contentBytes); - } - } - - private async applyRemoteDeleteLocally( - document: DocumentRecord, - response: DocumentVersion | DocumentUpdateResponse - ): Promise { - this.database.delete(document.relativePath); - this.database.updateDocumentMetadata( - { - documentId: response.documentId, - parentVersionId: response.vaultUpdateId, - hash: EMPTY_HASH, - remoteRelativePath: response.relativePath - }, - document - ); - - await this.operations.delete(document.relativePath); - - this.database.addSeenUpdateId(response.vaultUpdateId); - } -} diff --git a/package-lock.json b/package-lock.json new file mode 100644 index 00000000..9e0474fd --- /dev/null +++ b/package-lock.json @@ -0,0 +1,6 @@ +{ + "name": "vault-link", + "lockfileVersion": 3, + "requires": true, + "packages": {} +} diff --git a/scripts/e2e.sh b/scripts/e2e.sh index f9e84a69..d3ebefb2 100755 --- a/scripts/e2e.sh +++ b/scripts/e2e.sh @@ -29,9 +29,9 @@ echo "Stopping existing server..." pkill -f "sync_server" 2>/dev/null || true sleep 1 -# Clean databases +# Clean databases (uses tmpfs via /dev/shm for zero disk I/O) echo "Cleaning databases..." -rm -rf databases +rm -rf /host/tmp/vaultlink-e2e-databases # Start the server in the background echo "Starting server..." diff --git a/sync-server/build.rs b/sync-server/build.rs index d5068697..53bd111b 100644 --- a/sync-server/build.rs +++ b/sync-server/build.rs @@ -1,5 +1,16 @@ -// generated by `sqlx migrate build-script` fn main() { // trigger recompilation when a new migration is added println!("cargo:rerun-if-changed=migrations"); + + // Ensure the history-ui dist directory exists so rust-embed can compile + // even when the frontend hasn't been built yet. + let dist_path = std::path::Path::new("../frontend/history-ui/dist"); + if !dist_path.exists() { + std::fs::create_dir_all(dist_path).expect("Failed to create history-ui dist directory"); + std::fs::write( + dist_path.join("index.html"), + "

Run npm run build -w history-ui first.

", + ) + .expect("Failed to write placeholder index.html"); + } } diff --git a/sync-server/src/app_state/database/migrations/20260314000000_add_idempotency_key.sql b/sync-server/src/app_state/database/migrations/20260314000000_add_idempotency_key.sql new file mode 100644 index 00000000..f3ee8dd3 --- /dev/null +++ b/sync-server/src/app_state/database/migrations/20260314000000_add_idempotency_key.sql @@ -0,0 +1,2 @@ +CREATE INDEX IF NOT EXISTS idx_documents_document_id +ON documents (document_id, vault_update_id); diff --git a/sync-server/src/app_state/websocket/utils.rs b/sync-server/src/app_state/websocket/utils.rs index ce8205fa..24bc287a 100644 --- a/sync-server/src/app_state/websocket/utils.rs +++ b/sync-server/src/app_state/websocket/utils.rs @@ -33,7 +33,7 @@ pub fn get_authenticated_handshake( let user = auth(state, handshake.token.trim(), vault_id)?; Ok(AuthenticatedWebSocketHandshake { handshake, user }) } - WebSocketClientMessage::CursorPositions(_) | WebSocketClientMessage::Ping {} => Err( + WebSocketClientMessage::CursorPositions(_) => Err( unauthenticated_error(anyhow::anyhow!("Expected a handshake message")), ), } diff --git a/sync-server/src/server.rs b/sync-server/src/server.rs index 48191893..0835e9b6 100644 --- a/sync-server/src/server.rs +++ b/sync-server/src/server.rs @@ -4,24 +4,27 @@ mod delete_document; mod device_id_header; mod fetch_document_version; mod fetch_document_version_content; +mod fetch_document_versions; mod fetch_latest_document_version; mod fetch_latest_documents; +mod fetch_vault_history; mod index; +mod list_vaults; mod ping; mod rate_limit; mod requests; mod responses; +mod restore_document_version; mod update_document; mod websocket; -use anyhow::{Context as _, Result, anyhow}; +use anyhow::{Context as _, Result}; use auth::auth_middleware; use axum::{ Router, extract::{DefaultBodyLimit, Request}, http::{self, HeaderValue, Method}, middleware, - response::IntoResponse, routing::{IntoMakeService, delete, get, post, put}, }; use device_id_header::DEVICE_ID_HEADER_NAME; @@ -52,7 +55,7 @@ pub async fn create_server(config: Config) -> Result<()> { let server_config = app_state.config.server.clone(); - let app = Router::new() + let mut app = Router::new() .nest("/", get_authed_routes(app_state.clone())) .route("/", get(index::index)) .route("/assets/*path", get(index::spa_assets)) @@ -155,6 +158,10 @@ fn get_authed_routes(app_state: AppState) -> Router { "/vaults/:vault_id/documents/:document_id/text", put(update_document::update_text), ) + .route( + "/vaults/:vault_id/documents/:document_id/versions", + get(fetch_document_versions::fetch_document_versions), + ) .route( "/vaults/:vault_id/documents/:document_id/versions/:vault_update_id", get(fetch_document_version::fetch_document_version), @@ -167,6 +174,14 @@ fn get_authed_routes(app_state: AppState) -> Router { "/vaults/:vault_id/documents/:document_id", delete(delete_document::delete_document), ) + .route( + "/vaults/:vault_id/documents/:document_id/restore", + post(restore_document_version::restore_document_version), + ) + .route( + "/vaults/:vault_id/history", + get(fetch_vault_history::fetch_vault_history), + ) .layer(middleware::from_fn_with_state(app_state, auth_middleware)) } diff --git a/sync-server/src/server/fetch_document_versions.rs b/sync-server/src/server/fetch_document_versions.rs new file mode 100644 index 00000000..46d0e073 --- /dev/null +++ b/sync-server/src/server/fetch_document_versions.rs @@ -0,0 +1,42 @@ +use axum::{ + Json, + extract::{Path, State}, +}; +use log::debug; +use serde::Deserialize; + +use crate::{ + app_state::{ + AppState, + database::models::{DocumentId, DocumentVersionWithoutContent, VaultId}, + }, + errors::{SyncServerError, server_error}, + utils::normalize::normalize, +}; + +#[derive(Deserialize)] +pub struct FetchDocumentVersionsPathParams { + #[serde(deserialize_with = "normalize")] + vault_id: VaultId, + + document_id: DocumentId, +} + +#[axum::debug_handler] +pub async fn fetch_document_versions( + Path(FetchDocumentVersionsPathParams { + vault_id, + document_id, + }): Path, + State(state): State, +) -> Result>, SyncServerError> { + debug!("Fetching all versions for document `{document_id}` in vault `{vault_id}`"); + + let versions = state + .database + .get_document_versions(&vault_id, &document_id, None) + .await + .map_err(server_error)?; + + Ok(Json(versions)) +} diff --git a/sync-server/src/server/fetch_vault_history.rs b/sync-server/src/server/fetch_vault_history.rs new file mode 100644 index 00000000..42cceaa6 --- /dev/null +++ b/sync-server/src/server/fetch_vault_history.rs @@ -0,0 +1,70 @@ +use axum::{ + Json, + extract::{Path, Query, State}, +}; +use log::debug; +use serde::Deserialize; + +use super::responses::VaultHistoryResponse; +use crate::{ + app_state::{ + AppState, + database::models::{VaultId, VaultUpdateId}, + }, + errors::{SyncServerError, client_error, server_error}, + utils::normalize::normalize, +}; + +const DEFAULT_LIMIT: i64 = 50; +const MAX_LIMIT: i64 = 500; + +#[derive(Deserialize)] +pub struct FetchVaultHistoryPathParams { + #[serde(deserialize_with = "normalize")] + vault_id: VaultId, +} + +#[derive(Deserialize)] +pub struct QueryParams { + limit: Option, + before_update_id: Option, +} + +#[axum::debug_handler] +pub async fn fetch_vault_history( + Path(FetchVaultHistoryPathParams { vault_id }): Path, + Query(QueryParams { + limit, + before_update_id, + }): Query, + State(state): State, +) -> Result, SyncServerError> { + if let Some(id) = before_update_id + && id <= 0 + { + return Err(client_error(anyhow::anyhow!( + "before_update_id must be a positive integer" + ))); + } + + let limit = limit.unwrap_or(DEFAULT_LIMIT).clamp(1, MAX_LIMIT); + + debug!( + "Fetching vault history for vault `{vault_id}` (limit={limit}, before={before_update_id:?})" + ); + + // Fetch one extra row to determine if there are more results + let mut versions = state + .database + .get_vault_history(&vault_id, limit + 1, before_update_id, None) + .await + .map_err(server_error)?; + + #[allow(clippy::cast_sign_loss)] // limit is clamped to [1, 500] above + let has_more = versions.len() > limit as usize; + if has_more { + versions.pop(); + } + + Ok(Json(VaultHistoryResponse { versions, has_more })) +} diff --git a/sync-server/src/server/index.rs b/sync-server/src/server/index.rs index 64b053f7..ca8f38ff 100644 --- a/sync-server/src/server/index.rs +++ b/sync-server/src/server/index.rs @@ -1,7 +1,77 @@ -use axum::response::{Html, IntoResponse}; +use axum::{ + body::Body, + extract::{Path, State}, + http::{StatusCode, header}, + response::{Html, IntoResponse, Response}, +}; +use log::warn; +use rust_embed::Embed; -pub async fn index() -> impl IntoResponse { - const HTML_CONTENT: &str = include_str!("./assets/index.html"); - let html_content = HTML_CONTENT; - Html(html_content) +use crate::app_state::AppState; + +#[derive(Embed)] +#[folder = "../frontend/history-ui/dist/"] +struct HistoryUiAssets; + +pub async fn index(State(_state): State) -> impl IntoResponse { + if let Some(content) = HistoryUiAssets::get("index.html") { + Html( + std::str::from_utf8(content.data.as_ref()) + .inspect_err(|e| warn!("Embedded index.html is not valid UTF-8: {e}")) + .unwrap_or("

VaultLink

") + .to_owned(), + ) + .into_response() + } else { + warn!("No embedded index.html found — history UI may not have been built"); + Html("

VaultLink server

".to_owned()).into_response() + } +} + +pub async fn spa_assets(Path(path): Path) -> impl IntoResponse { + // The route is /assets/*path so path is relative to assets/. + // The embedded files include the assets/ prefix from the dist directory. + let full_path = format!("assets/{path}"); + if let Some(content) = HistoryUiAssets::get(&full_path) { + let mime = mime_guess::from_path(&full_path).first_or_octet_stream(); + return Response::builder() + .status(StatusCode::OK) + .header(header::CONTENT_TYPE, mime.as_ref()) + .body(Body::from(content.data.to_vec())) + .unwrap_or_else(|_| { + Response::builder() + .status(StatusCode::INTERNAL_SERVER_ERROR) + .body(Body::empty()) + .unwrap_or_else(|_| Response::new(Body::empty())) + }); + } + + // Asset paths must match an embedded file — no SPA fallback. + // Serving index.html here would return 200 with text/html for missing + // .css/.js files, causing the browser to silently ignore the content. + Response::builder() + .status(StatusCode::NOT_FOUND) + .body(Body::from("Not found")) + .unwrap_or_else(|_| Response::new(Body::from("Not found"))) +} + +/// SPA fallback for production: serves index.html for client-side routes +/// (e.g. `/documents/123`). +pub async fn spa_fallback() -> impl IntoResponse { + match HistoryUiAssets::get("index.html") { + Some(content) => Response::builder() + .status(StatusCode::OK) + .header(header::CONTENT_TYPE, "text/html") + .body(Body::from(content.data.to_vec())) + .unwrap_or_else(|_| { + Response::builder() + .status(StatusCode::INTERNAL_SERVER_ERROR) + .body(Body::empty()) + .unwrap_or_else(|_| Response::new(Body::empty())) + }), + None => Response::builder() + .status(StatusCode::NOT_FOUND) + .body(Body::from("Not found")) + .unwrap_or_else(|_| Response::new(Body::from("Not found"))), + } } diff --git a/sync-server/src/server/restore_document_version.rs b/sync-server/src/server/restore_document_version.rs new file mode 100644 index 00000000..f759fa59 --- /dev/null +++ b/sync-server/src/server/restore_document_version.rs @@ -0,0 +1,147 @@ +use anyhow::anyhow; +use axum::{ + Extension, Json, + extract::{Path, State}, +}; +use axum_extra::TypedHeader; +use log::{debug, info}; +use serde::Deserialize; + +use super::device_id_header::DeviceIdHeader; +use crate::{ + app_state::{ + AppState, + database::models::{ + DocumentId, DocumentVersionWithoutContent, StoredDocumentVersion, VaultId, + VaultUpdateId, + }, + }, + config::user_config::User, + errors::{SyncServerError, client_error, not_found_error, server_error, write_transaction_error}, + utils::{find_first_available_path::find_first_available_path, normalize::normalize}, +}; + +#[derive(Deserialize)] +pub struct RestorePathParams { + #[serde(deserialize_with = "normalize")] + vault_id: VaultId, + + document_id: DocumentId, +} + +#[derive(Deserialize)] +#[serde(rename_all = "camelCase")] +pub struct RestoreDocumentVersionRequest { + pub vault_update_id: VaultUpdateId, +} + +#[axum::debug_handler] +pub async fn restore_document_version( + Path(RestorePathParams { + vault_id, + document_id, + }): Path, + Extension(user): Extension, + TypedHeader(device_id): TypedHeader, + State(state): State, + Json(request): Json, +) -> Result, SyncServerError> { + debug!( + "Restoring document `{document_id}` in vault `{vault_id}` to version `{}`", + request.vault_update_id + ); + + if request.vault_update_id <= 0 { + return Err(client_error(anyhow!( + "Invalid vault_update_id: `{}`", + request.vault_update_id + ))); + } + + let mut transaction = state + .database + .create_write_transaction(&vault_id) + .await + .map_err(write_transaction_error)?; + + let target_version = state + .database + .get_document_version(&vault_id, request.vault_update_id, Some(&mut *transaction)) + .await + .map_err(server_error)? + .ok_or_else(|| { + not_found_error(anyhow!("Version `{}` not found", request.vault_update_id)) + })?; + + if target_version.document_id != document_id { + transaction.rollback().await.map_err(server_error)?; + return Err(not_found_error(anyhow!( + "Version `{}` does not belong to document `{document_id}`", + request.vault_update_id, + ))); + } + + if target_version.is_deleted { + transaction.rollback().await.map_err(server_error)?; + return Err(client_error(anyhow!( + "Cannot restore to a deleted version `{}`", + request.vault_update_id, + ))); + } + + let existing = state + .database + .get_latest_non_deleted_document_by_path( + &vault_id, + &target_version.relative_path, + Some(&mut *transaction), + ) + .await + .map_err(server_error)?; + + let restore_path = if let Some(existing_doc) = &existing + && existing_doc.document_id != document_id + { + find_first_available_path( + &vault_id, + &target_version.relative_path, + &state.database, + &mut transaction, + ) + .await + .map_err(server_error)? + } else { + target_version.relative_path.clone() + }; + + let last_update_id = state + .database + .get_max_update_id_in_vault(&vault_id, Some(&mut *transaction)) + .await + .map_err(server_error)?; + + let new_version = StoredDocumentVersion { + vault_update_id: last_update_id + 1, + document_id, + relative_path: restore_path, + content: target_version.content, + updated_date: chrono::Utc::now(), + is_deleted: false, + user_id: user.name.clone(), + device_id: device_id.0.clone(), + has_been_merged: false, + }; + + state + .database + .insert_document_version(&vault_id, &new_version, Some(transaction)) + .await + .map_err(server_error)?; + + info!( + "Restored document `{document_id}` to version `{}` as new version `{}`", + request.vault_update_id, new_version.vault_update_id + ); + + Ok(Json(new_version.into())) +} From 1a4e39d57a56693a8853b83d3d9556d3f9aa79b3 Mon Sep 17 00:00:00 2001 From: Andras Schmelczer Date: Mon, 6 Apr 2026 21:55:21 +0100 Subject: [PATCH 22/26] wip better queue --- .../sync-operations/sync-event-queue.test.ts | 406 ++++++++++++------ .../src/sync-operations/sync-event-queue.ts | 205 +++++---- .../sync-client/src/sync-operations/types.ts | 22 +- 3 files changed, 414 insertions(+), 219 deletions(-) diff --git a/frontend/sync-client/src/sync-operations/sync-event-queue.test.ts b/frontend/sync-client/src/sync-operations/sync-event-queue.test.ts index d2e32268..8c4d68ab 100644 --- a/frontend/sync-client/src/sync-operations/sync-event-queue.test.ts +++ b/frontend/sync-client/src/sync-operations/sync-event-queue.test.ts @@ -8,8 +8,8 @@ import { SyncEventType } from "./types"; function createQueue(ignorePatterns: string[] = []): SyncEventQueue { const logger = new Logger(); - const settings = new Settings(logger, { ignorePatterns }, async () => {}); - return new SyncEventQueue(settings, logger, undefined, async () => {}); + const settings = new Settings(logger, { ignorePatterns }, async () => { }); + return new SyncEventQueue(settings, logger, undefined, async () => { }); } function fakeRemoteVersion( @@ -30,48 +30,47 @@ function fakeRemoteVersion( } describe("SyncEventQueue", () => { - it("sync-local followed by delete for the same document returns only the delete", () => { + it("sync-local followed by delete for the same document returns only the delete", async () => { const queue = createQueue(); queue.setDocument("a.md", { documentId: "A", parentVersionId: 1, - hash: "hash-a" + remoteHash: "hash-a" }); - queue.enqueue({ type: SyncEventType.SyncLocal, documentId: "A" }); - queue.enqueue({ type: SyncEventType.SyncLocal, documentId: "A" }); + queue.enqueue({ type: SyncEventType.SyncLocal, documentId: "A", path: "a.md", originalPath: "a.md" }); + queue.enqueue({ type: SyncEventType.SyncLocal, documentId: "A", path: "a.md", originalPath: "a.md" }); queue.enqueue({ type: SyncEventType.Delete, documentId: "A", - path: "a.md", }); - const event = queue.next(); + const event = await queue.next(); assert.strictEqual(event?.type, SyncEventType.Delete); if (event?.type === SyncEventType.Delete) { assert.strictEqual(event.documentId, "A"); } - assert.strictEqual(queue.next(), undefined); + assert.strictEqual(await queue.next(), undefined); }); - it("sync-local events for the same document coalesce to one", () => { + it("sync-local events for the same document coalesce to one", async () => { const queue = createQueue(); queue.setDocument("a.md", { documentId: "A", parentVersionId: 1, - hash: "hash-a" + remoteHash: "hash-a" }); - queue.enqueue({ type: SyncEventType.SyncLocal, documentId: "A" }); - queue.enqueue({ type: SyncEventType.SyncLocal, documentId: "A" }); - queue.enqueue({ type: SyncEventType.SyncLocal, documentId: "A" }); + queue.enqueue({ type: SyncEventType.SyncLocal, documentId: "A", path: "a.md", originalPath: "a.md" }); + queue.enqueue({ type: SyncEventType.SyncLocal, documentId: "A", path: "a.md", originalPath: "a.md" }); + queue.enqueue({ type: SyncEventType.SyncLocal, documentId: "A", path: "a.md", originalPath: "a.md" }); - const event = queue.next(); + const event = await queue.next(); assert.strictEqual(event?.type, SyncEventType.SyncLocal); - assert.strictEqual(queue.next(), undefined); + assert.strictEqual(await queue.next(), undefined); }); - it("sync-remote events for the same documentId coalesce to the last one", () => { + it("sync-remote events for the same documentId coalesce to the last one", async () => { const queue = createQueue(); queue.enqueue({ @@ -87,116 +86,63 @@ describe("SyncEventQueue", () => { remoteVersion: fakeRemoteVersion("A", { vaultUpdateId: 3 }) }); - const event = queue.next(); + const event = await queue.next(); assert.strictEqual(event?.type, SyncEventType.SyncRemote); if (event?.type === SyncEventType.SyncRemote) { assert.strictEqual(event.remoteVersion.vaultUpdateId, 3); } - assert.strictEqual(queue.next(), undefined); + assert.strictEqual(await queue.next(), undefined); }); - it("create events are returned FIFO", () => { + it("create events are returned FIFO", async () => { const queue = createQueue(); - queue.enqueue({ type: SyncEventType.Create, path: "a.md" }); - queue.enqueue({ type: SyncEventType.Create, path: "b.md" }); + queue.enqueue({ type: SyncEventType.Create, path: "a.md", originalPath: "a.md" }); + queue.enqueue({ type: SyncEventType.Create, path: "b.md", originalPath: "b.md" }); - const first = queue.next(); + const first = await queue.next(); assert.strictEqual(first?.type, SyncEventType.Create); if (first?.type === SyncEventType.Create) { assert.strictEqual(first.path, "a.md"); } - const second = queue.next(); + const second = await queue.next(); assert.strictEqual(second?.type, SyncEventType.Create); if (second?.type === SyncEventType.Create) { assert.strictEqual(second.path, "b.md"); } }); - it("duplicate creates for the same path are skipped", () => { - const queue = createQueue(); - queue.enqueue({ type: SyncEventType.Create, path: "a.md" }); - queue.enqueue({ type: SyncEventType.Create, path: "a.md" }); - assert.strictEqual(queue.size, 1); - }); - - it("create is skipped if the path already has a tracked document", () => { - const queue = createQueue(); - queue.setDocument("a.md", { - documentId: "A", - parentVersionId: 1, - hash: "hash-a" - }); - - queue.enqueue({ type: SyncEventType.Create, path: "a.md" }); - assert.strictEqual(queue.size, 0); - }); - - it("delete uses the provided documentId", () => { + it("delete uses the provided documentId", async () => { const queue = createQueue(); queue.enqueue({ type: SyncEventType.Delete, documentId: "A", - path: "a.md", }); - const event = queue.next(); + const event = await queue.next(); assert.strictEqual(event?.type, SyncEventType.Delete); if (event?.type === SyncEventType.Delete) { assert.strictEqual(event.documentId, "A"); } }); - it("updateCreatePath updates the path of a create event in the queue", () => { - const queue = createQueue(); - queue.enqueue({ type: SyncEventType.Create, path: "old.md" }); - - const updated = queue.updateCreatePath("old.md", "new.md"); - assert.strictEqual(updated, true); - assert.strictEqual(queue.hasCreateEvent("old.md"), false); - assert.strictEqual(queue.hasCreateEvent("new.md"), true); - - const event = queue.next(); - assert.strictEqual(event?.type, SyncEventType.Create); - if (event?.type === SyncEventType.Create) { - assert.strictEqual(event.path, "new.md"); - } - }); - - it("updateCreatePath returns false when no create event exists", () => { - const queue = createQueue(); - const updated = queue.updateCreatePath("old.md", "new.md"); - assert.strictEqual(updated, false); - }); - - it("hasCreateEvent detects pending creates", () => { - const queue = createQueue(); - assert.strictEqual(queue.hasCreateEvent("a.md"), false); - - queue.enqueue({ type: SyncEventType.Create, path: "a.md" }); - assert.strictEqual(queue.hasCreateEvent("a.md"), true); - - queue.next(); - assert.strictEqual(queue.hasCreateEvent("a.md"), false); - }); - it("document store CRUD operations work correctly", () => { const queue = createQueue(); - assert.strictEqual(queue.getDocument("a.md"), undefined); + assert.strictEqual(queue.getSettledDocumentByPath("a.md"), undefined); assert.strictEqual(queue.documentCount, 0); queue.setDocument("a.md", { documentId: "A", parentVersionId: 1, - hash: "hash-a" + remoteHash: "hash-a" }); assert.strictEqual(queue.documentCount, 1); - assert.deepStrictEqual(queue.getDocument("a.md"), { + assert.deepStrictEqual(queue.getSettledDocumentByPath("a.md"), { documentId: "A", parentVersionId: 1, - hash: "hash-a" + remoteHash: "hash-a" }); const found = queue.getDocumentByDocumentId("A"); @@ -205,7 +151,7 @@ describe("SyncEventQueue", () => { queue.removeDocument("a.md"); assert.strictEqual(queue.documentCount, 0); - assert.strictEqual(queue.getDocument("a.md"), undefined); + assert.strictEqual(queue.getSettledDocumentByPath("a.md"), undefined); }); it("moveDocument moves a document and returns displaced documentId", () => { @@ -213,18 +159,18 @@ describe("SyncEventQueue", () => { queue.setDocument("a.md", { documentId: "A", parentVersionId: 1, - hash: "hash-a" + remoteHash: "hash-a" }); queue.setDocument("b.md", { documentId: "B", parentVersionId: 2, - hash: "hash-b" + remoteHash: "hash-b" }); const displacedId = queue.moveDocument("a.md", "b.md"); assert.strictEqual(displacedId, "B"); - assert.strictEqual(queue.getDocument("a.md"), undefined); - assert.strictEqual(queue.getDocument("b.md")?.documentId, "A"); + assert.strictEqual(queue.getSettledDocumentByPath("a.md"), undefined); + assert.strictEqual(queue.getSettledDocumentByPath("b.md")?.documentId, "A"); assert.strictEqual(queue.documentCount, 1); }); @@ -233,140 +179,193 @@ describe("SyncEventQueue", () => { queue.setDocument("a.md", { documentId: "A", parentVersionId: 1, - hash: "hash-a" + remoteHash: "hash-a" }); const displacedId = queue.moveDocument("a.md", "b.md"); assert.strictEqual(displacedId, undefined); - assert.strictEqual(queue.getDocument("b.md")?.documentId, "A"); + assert.strictEqual(queue.getSettledDocumentByPath("b.md")?.documentId, "A"); }); - it("interleaved events for different documents are not confused", () => { + it("interleaved events for different documents are not confused", async () => { const queue = createQueue(); queue.setDocument("a.md", { documentId: "A", parentVersionId: 1, - hash: "hash-a" + remoteHash: "hash-a" }); queue.setDocument("b.md", { documentId: "B", parentVersionId: 2, - hash: "hash-b" + remoteHash: "hash-b" }); - queue.enqueue({ type: SyncEventType.SyncLocal, documentId: "A" }); - queue.enqueue({ type: SyncEventType.SyncLocal, documentId: "B" }); + queue.enqueue({ type: SyncEventType.SyncLocal, documentId: "A", path: "a.md", originalPath: "a.md" }); + queue.enqueue({ type: SyncEventType.SyncLocal, documentId: "B", path: "b.md", originalPath: "b.md" }); queue.enqueue({ type: SyncEventType.Delete, documentId: "A", - path: "a.md", }); - queue.enqueue({ type: SyncEventType.SyncLocal, documentId: "B" }); + queue.enqueue({ type: SyncEventType.SyncLocal, documentId: "B", path: "b.md", originalPath: "b.md" }); // First next() should see the delete for A (coalescing sync-local + delete) - const first = queue.next(); + const first = await queue.next(); assert.strictEqual(first?.type, SyncEventType.Delete); if (first?.type === SyncEventType.Delete) { assert.strictEqual(first.documentId, "A"); } // Remaining should be the coalesced sync-local for B - const second = queue.next(); + const second = await queue.next(); assert.strictEqual(second?.type, SyncEventType.SyncLocal); if (second?.type === SyncEventType.SyncLocal) { assert.strictEqual(second.documentId, "B"); } - assert.strictEqual(queue.next(), undefined); + assert.strictEqual(await queue.next(), undefined); }); - it("delete discards subsequent sync-remote events for the same document", () => { + it("delete discards subsequent sync-remote events for the same document", async () => { const queue = createQueue(); queue.enqueue({ type: SyncEventType.Delete, documentId: "A", - path: "a.md", }); queue.enqueue({ type: SyncEventType.SyncRemote, remoteVersion: fakeRemoteVersion("A", { vaultUpdateId: 5 }) }); - const event = queue.next(); + const event = await queue.next(); assert.strictEqual(event?.type, SyncEventType.Delete); - assert.strictEqual(queue.next(), undefined); + assert.strictEqual(await queue.next(), undefined); }); - it("delete discards subsequent sync-local and sync-remote for the same document", () => { + it("delete discards subsequent sync-local and sync-remote for the same document", async () => { const queue = createQueue(); queue.setDocument("a.md", { documentId: "A", parentVersionId: 1, - hash: "hash-a" + remoteHash: "hash-a" }); queue.enqueue({ type: SyncEventType.Delete, documentId: "A", - path: "a.md", }); - queue.enqueue({ type: SyncEventType.SyncLocal, documentId: "A" }); - queue.enqueue({ type: SyncEventType.Create, path: "b.md" }); + queue.enqueue({ type: SyncEventType.SyncLocal, documentId: "A", path: "a.md", originalPath: "a.md" }); + queue.enqueue({ type: SyncEventType.Create, path: "b.md", originalPath: "b.md" }); queue.enqueue({ type: SyncEventType.SyncRemote, remoteVersion: fakeRemoteVersion("A", { vaultUpdateId: 5 }) }); - const first = queue.next(); + const first = await queue.next(); assert.strictEqual(first?.type, SyncEventType.Delete); // Only the unrelated create should remain - const second = queue.next(); + const second = await queue.next(); assert.strictEqual(second?.type, SyncEventType.Create); - assert.strictEqual(queue.next(), undefined); + assert.strictEqual(await queue.next(), undefined); }); - it("delete with empty documentId does not discard other events", () => { + it("delete with promise documentId does not discard other events", async () => { const queue = createQueue(); queue.setDocument("a.md", { documentId: "A", parentVersionId: 1, - hash: "hash-a" + remoteHash: "hash-a" }); + queue.enqueue({ type: SyncEventType.Create, path: "unknown.md", originalPath: "unknown.md" }); + const createPromise = queue.getCreatePromise("unknown.md"); + assert.ok(createPromise !== undefined); + const event = await queue.next(); // dequeue the create + assert.ok(event?.type === SyncEventType.Create); + // Resolve so the delete's await doesn't hang + event.resolvers!.resolve("NEW"); + queue.enqueue({ type: SyncEventType.Delete, - documentId: "", - path: "unknown.md", + documentId: createPromise, }); - queue.enqueue({ type: SyncEventType.SyncLocal, documentId: "A" }); + queue.enqueue({ type: SyncEventType.SyncLocal, documentId: "A", path: "a.md", originalPath: "a.md" }); - queue.next(); - const second = queue.next(); + await queue.next(); // delete + const second = await queue.next(); assert.strictEqual(second?.type, SyncEventType.SyncLocal); }); - it("create can be re-enqueued after being dequeued", () => { + it("getCreatePromise returns a promise resolved by the event's resolvers", async () => { const queue = createQueue(); - queue.enqueue({ type: SyncEventType.Create, path: "a.md" }); - queue.next(); + queue.enqueue({ type: SyncEventType.Create, path: "a.md", originalPath: "a.md" }); - queue.enqueue({ type: SyncEventType.Create, path: "a.md" }); + const promise = queue.getCreatePromise("a.md"); + assert.ok(promise !== undefined); + + // The syncer resolves via event.resolvers after dequeuing + const event = await queue.next(); + assert.ok(event?.type === SyncEventType.Create); + assert.ok(event.resolvers !== undefined); + event.resolvers.resolve("resolved-id"); + + assert.strictEqual(await promise, "resolved-id"); + }); + + it("rejecting the event's resolvers rejects the create promise", async () => { + const queue = createQueue(); + queue.enqueue({ type: SyncEventType.Create, path: "a.md", originalPath: "a.md" }); + + const promise = queue.getCreatePromise("a.md"); + assert.ok(promise !== undefined); + + const event = await queue.next(); + assert.ok(event?.type === SyncEventType.Create); + assert.ok(event.resolvers !== undefined); + event.resolvers.promise.catch(() => { }); + event.resolvers.reject(new Error("cancelled")); + + await assert.rejects(promise); + }); + + it("clear rejects all pending create promises", async () => { + const queue = createQueue(); + queue.enqueue({ type: SyncEventType.Create, path: "a.md", originalPath: "a.md" }); + queue.enqueue({ type: SyncEventType.Create, path: "b.md", originalPath: "b.md" }); + + const promiseA = queue.getCreatePromise("a.md"); + const promiseB = queue.getCreatePromise("b.md"); + assert.ok(promiseA !== undefined); + assert.ok(promiseB !== undefined); + + queue.clear(); + + await assert.rejects(promiseA); + await assert.rejects(promiseB); + }); + + it("create can be re-enqueued after being dequeued", async () => { + const queue = createQueue(); + queue.enqueue({ type: SyncEventType.Create, path: "a.md", originalPath: "a.md" }); + await queue.next(); + + queue.enqueue({ type: SyncEventType.Create, path: "a.md", originalPath: "a.md" }); assert.strictEqual(queue.size, 1); }); it("silently ignores create events matching ignore patterns", () => { const queue = createQueue(["*.tmp", ".hidden/**"]); - queue.enqueue({ type: SyncEventType.Create, path: "scratch.tmp" }); + queue.enqueue({ type: SyncEventType.Create, path: "scratch.tmp", originalPath: "scratch.tmp" }); queue.enqueue({ type: SyncEventType.Create, path: ".hidden/secret.md", + originalPath: ".hidden/secret.md", }); assert.strictEqual(queue.size, 0); - queue.enqueue({ type: SyncEventType.Create, path: "notes-new.md" }); + queue.enqueue({ type: SyncEventType.Create, path: "notes-new.md", originalPath: "notes-new.md" }); assert.strictEqual(queue.size, 1); queue.enqueue({ @@ -381,10 +380,10 @@ describe("SyncEventQueue", () => { queue.setDocument("a.md", { documentId: "A", parentVersionId: 1, - hash: "hash-a" + remoteHash: "hash-a" }); - queue.enqueue({ type: SyncEventType.Create, path: "b.md" }); - queue.enqueue({ type: SyncEventType.SyncLocal, documentId: "A" }); + queue.enqueue({ type: SyncEventType.Create, path: "b.md", originalPath: "b.md" }); + queue.enqueue({ type: SyncEventType.SyncLocal, documentId: "A", path: "a.md", originalPath: "a.md" }); assert.strictEqual(queue.size, 2); @@ -392,7 +391,7 @@ describe("SyncEventQueue", () => { assert.strictEqual(queue.size, 0); assert.strictEqual(queue.documentCount, 1); - assert.strictEqual(queue.getDocument("a.md")?.documentId, "A"); + assert.strictEqual(queue.getSettledDocumentByPath("a.md")?.documentId, "A"); }); it("allDocuments returns all tracked documents", () => { @@ -400,15 +399,15 @@ describe("SyncEventQueue", () => { queue.setDocument("a.md", { documentId: "A", parentVersionId: 1, - hash: "hash-a" + remoteHash: "hash-a" }); queue.setDocument("b.md", { documentId: "B", parentVersionId: 2, - hash: "hash-b" + remoteHash: "hash-b" }); - const docs = queue.allDocuments(); + const docs = queue.allSettledDocuments(); assert.strictEqual(docs.length, 2); const paths = docs.map(([p]) => p).sort(); assert.deepStrictEqual(paths, ["a.md", "b.md"]); @@ -416,28 +415,157 @@ describe("SyncEventQueue", () => { it("loads initial state from persistence", () => { const logger = new Logger(); - const settings = new Settings(logger, {}, async () => {}); + const settings = new Settings(logger, {}, async () => { }); const queue = new SyncEventQueue(settings, logger, { documents: [ { relativePath: "a.md", documentId: "A", parentVersionId: 5, - hash: "hash-a" + remoteHash: "hash-a" }, { relativePath: "b.md", documentId: "B", parentVersionId: 3, - hash: "hash-b" + remoteHash: "hash-b" } ], lastSeenUpdateId: 4 - }, async () => {}); + }, async () => { }); assert.strictEqual(queue.documentCount, 2); - assert.strictEqual(queue.getDocument("a.md")?.documentId, "A"); - assert.strictEqual(queue.getDocument("b.md")?.documentId, "B"); - assert.strictEqual(queue.getLastSeenUpdateId(), 5); + assert.strictEqual(queue.getSettledDocumentByPath("a.md")?.documentId, "A"); + assert.strictEqual(queue.getSettledDocumentByPath("b.md")?.documentId, "B"); + assert.strictEqual(queue.lastSeenUpdateId, 5); + }); + + it("trackedPaths combines documents and pending events", () => { + const queue = createQueue(); + queue.setDocument("a.md", { + documentId: "A", + parentVersionId: 1, + remoteHash: "hash-a" + }); + queue.setDocument("b.md", { + documentId: "B", + parentVersionId: 2, + remoteHash: "hash-b" + }); + + // Pending create adds a path + queue.enqueue({ type: SyncEventType.Create, path: "c.md", originalPath: "c.md" }); + // Pending delete removes a path + queue.enqueue({ + type: SyncEventType.Delete, + documentId: "A", + }); + + const paths = queue.trackedPaths(); + assert.deepStrictEqual( + [...paths].sort(), + ["b.md", "c.md"] + ); + }); + + it("trackedPaths handles create-delete-create for the same path", () => { + const queue = createQueue(); + + queue.enqueue({ type: SyncEventType.Create, path: "a.md", originalPath: "a.md" }); + queue.enqueue({ + type: SyncEventType.Delete, + documentId: Promise.resolve("X"), + }); + queue.enqueue({ type: SyncEventType.Create, path: "a.md", originalPath: "a.md" }); + + const paths = queue.trackedPaths(); + assert.ok(paths.has("a.md")); + }); + + it("trackedPaths applies moves for promise-based SyncLocal events", () => { + const queue = createQueue(); + + queue.enqueue({ type: SyncEventType.Create, path: "a.md", originalPath: "a.md" }); + const createPromise = queue.getCreatePromise("a.md")!; + + // File was renamed from a.md to b.md + queue.enqueue({ + type: SyncEventType.SyncLocal, + documentId: createPromise, + path: "b.md", + originalPath: "a.md", + }); + + const paths = queue.trackedPaths(); + assert.ok(!paths.has("a.md")); + assert.ok(paths.has("b.md")); + }); + + it("trackedPaths tracks multiple moves for the same pending create", () => { + const queue = createQueue(); + + queue.enqueue({ type: SyncEventType.Create, path: "a.md", originalPath: "a.md" }); + const createPromise = queue.getCreatePromise("a.md")!; + + queue.enqueue({ + type: SyncEventType.SyncLocal, + documentId: createPromise, + path: "b.md", + originalPath: "a.md", + }); + queue.enqueue({ + type: SyncEventType.SyncLocal, + documentId: createPromise, + path: "c.md", + originalPath: "a.md", + }); + + const paths = queue.trackedPaths(); + assert.ok(!paths.has("a.md")); + assert.ok(!paths.has("b.md")); + assert.ok(paths.has("c.md")); + }); + + it("resolveCreate settles the document and replaces promise documentIds in the queue", async () => { + const queue = createQueue(); + + queue.enqueue({ type: SyncEventType.Create, path: "a.md", originalPath: "a.md" }); + const createPromise = queue.getCreatePromise("a.md")!; + + // Dependent events enqueued while create is in flight + queue.enqueue({ + type: SyncEventType.SyncLocal, + documentId: createPromise, + path: "a.md", + originalPath: "a.md", + }); + queue.enqueue({ + type: SyncEventType.Delete, + documentId: createPromise, + }); + + const event = await queue.next(); // dequeue the create + assert.ok(event?.type === SyncEventType.Create); + + queue.resolveCreate(event, { + documentId: "DOC-1", + parentVersionId: 5, + remoteHash: "hash-1", + }); + + // Document is now settled + assert.strictEqual(queue.getSettledDocumentByPath("a.md")?.documentId, "DOC-1"); + + // Promise was resolved + assert.strictEqual(await createPromise, "DOC-1"); + + // Remaining events have string documentIds instead of promises. + // The SyncLocal + Delete for "DOC-1" coalesce: sync-local is + // discarded and the delete is returned (standard coalescing). + const deleteEvt = await queue.next(); + assert.ok(deleteEvt?.type === SyncEventType.Delete); + assert.strictEqual(deleteEvt.documentId, "DOC-1"); + + assert.strictEqual(await queue.next(), undefined); }); }); diff --git a/frontend/sync-client/src/sync-operations/sync-event-queue.ts b/frontend/sync-client/src/sync-operations/sync-event-queue.ts index 362c35dc..dc79c0db 100644 --- a/frontend/sync-client/src/sync-operations/sync-event-queue.ts +++ b/frontend/sync-client/src/sync-operations/sync-event-queue.ts @@ -14,9 +14,19 @@ import { } from "./types"; export class SyncEventQueue { - private readonly events: SyncEvent[] = []; + // latest state of the filesystem as we know it, excluding + // unconfirmed creates but including pending deletes, + // it's always indexed by the latest path on disk private readonly documents = new Map(); - private readonly recentlyDeletedDocumentIds = new Set(); + + // all outstanding operations in order of occurrence, + // can include multiple generations of the same document, + // e.g.: a create, delete, create sequence for the same path. + // The paths for the events must always correspond to the latest + // path on disk, so the path of each event may be updated multiple + // times. + private readonly events: SyncEvent[] = []; + private lastSeenUpdateIds: CoveredValues; private ignorePatterns: RegExp[]; @@ -55,7 +65,7 @@ export class SyncEventQueue { this.lastSeenUpdateIds.add(record.parentVersionId); } - this.logger.debug(`Loaded ${this.documents.size} documents`); + this.logger.debug(`Loaded ${this.documents.size} documents and lastSeenUpdateId=${this.lastSeenUpdateIds.min}`); } public get size(): number { @@ -66,10 +76,15 @@ export class SyncEventQueue { return this.documents.size; } - public getLastSeenUpdateId(): VaultUpdateId { + public get lastSeenUpdateId(): VaultUpdateId { return this.lastSeenUpdateIds.min; } + public set lastSeenUpdateId(value: number) { + this.lastSeenUpdateIds.min = value; + this.saveInTheBackground(); + } + public addSeenUpdateId(value: number): void { const previousMin = this.lastSeenUpdateIds.min; this.lastSeenUpdateIds.add(value); @@ -78,12 +93,8 @@ export class SyncEventQueue { } } - public setLastSeenUpdateId(value: number): void { - this.lastSeenUpdateIds.min = value; - this.saveInTheBackground(); - } - public getDocument(path: RelativePath): DocumentRecord | undefined { + public getSettledDocumentByPath(path: RelativePath): DocumentRecord | undefined { return this.documents.get(path); } @@ -104,86 +115,96 @@ export class SyncEventQueue { } public removeDocument(path: RelativePath): void { - const record = this.documents.get(path); - if (record !== undefined) { - this.recentlyDeletedDocumentIds.add(record.documentId); - } this.documents.delete(path); this.saveInTheBackground(); } /** - * Move a document from oldPath to newPath. - * If the target path is occupied by a different document, it is removed - * and its documentId is returned so the caller can handle the displacement. + * Settle a Create event: add the document to the settled map, + * resolve the create promise, and replace promise-based documentId + * references in the event queue with the actual string documentId. */ - public moveDocument( - oldPath: RelativePath, - newPath: RelativePath - ): DocumentId | undefined { - const record = this.documents.get(oldPath); - if (record === undefined) return undefined; + public resolveCreate( + event: Extract, + record: DocumentRecord + ): void { + const promise = event.resolvers?.promise; - let displacedDocumentId: DocumentId | undefined = undefined; - const existingAtTarget = this.documents.get(newPath); - if ( - existingAtTarget !== undefined && - existingAtTarget.documentId !== record.documentId - ) { - displacedDocumentId = existingAtTarget.documentId; - this.recentlyDeletedDocumentIds.add(displacedDocumentId); - this.documents.delete(newPath); + this.documents.set(event.path, record); + event.resolvers?.resolve(record.documentId); + + if (promise !== undefined) { + for (const e of this.events) { + if ( + (e.type === SyncEventType.SyncLocal || e.type === SyncEventType.Delete) && + e.documentId === promise + ) { + (e as { documentId: DocumentId | Promise }).documentId = record.documentId; + } + } } - this.documents.delete(oldPath); - this.documents.set(newPath, record); this.saveInTheBackground(); - return displacedDocumentId; } - public wasRecentlyDeleted(documentId: DocumentId): boolean { - return this.recentlyDeletedDocumentIds.has(documentId); + public getCreatePromise(path: RelativePath): Promise | undefined { + const event = this.findLastCreate(path); + if (event === undefined) return undefined; + event.resolvers ??= Promise.withResolvers(); + return event.resolvers.promise; } - public unmarkRecentlyDeleted(documentId: DocumentId): void { - this.recentlyDeletedDocumentIds.delete(documentId); - } - - - public allDocuments(): [RelativePath, DocumentRecord][] { + public allSettledDocuments(): [RelativePath, DocumentRecord][] { return Array.from(this.documents.entries()); } - public hasCreateEvent(path: RelativePath): boolean { - return this.events.some( - (e) => e.type === SyncEventType.Create && e.path === path - ); - } + /** + * Returns the set of paths we expect to exist on disk by replaying + * the event queue on top of the settled documents map. + */ + public trackedPaths(): Set { + const paths = new Set(this.documents.keys()); + // Track current path for each pending create so moves can be applied + const pendingPaths = new Map, RelativePath>(); - public updateCreatePath( - oldPath: RelativePath, - newPath: RelativePath - ): boolean { for (const event of this.events) { - if (event.type === SyncEventType.Create && event.path === oldPath) { - event.path = newPath; - return true; - } + if (event.type === SyncEventType.Create) { + paths.add(event.path); + if (event.resolvers !== undefined) { + pendingPaths.set(event.resolvers.promise, event.path); + } + } else if (event.type === SyncEventType.Delete) { + if (typeof event.documentId === "string") { + const path = this.getDocumentByDocumentId(event.documentId)?.path; + if (path) { + paths.delete(path); + } else { + throw new Error(`Delete event for unknown documentId ${event.documentId}`); + } + } else { + const path = pendingPaths.get(event.documentId); + if (!path) { + throw new Error(`Delete event with unresolved documentId promise`); + } + paths.delete(path); + } + } // no need to handle SyncLocal as path updates are applied to this.documents immediately when the event is enqueued } - return false; + return paths; } public hasPendingEventsForPath(path: RelativePath): boolean { const record = this.documents.get(path); - const docId = record?.documentId; + if (!record) { + return true; // if we don't know about this path, it must be pending creation + } + const docId = record.documentId; return this.events.some( (e) => (e.type === SyncEventType.Create && e.path === path) || (e.type === SyncEventType.SyncLocal && - docId !== undefined && e.documentId === docId) || (e.type === SyncEventType.Delete && - docId !== undefined && e.documentId === docId) || (e.type === SyncEventType.SyncRemote && e.remoteVersion.relativePath === path) @@ -203,31 +224,26 @@ export class SyncEventQueue { } public resetState(): void { + this.rejectAllPendingCreates(); this.documents.clear(); - this.recentlyDeletedDocumentIds.clear(); this.lastSeenUpdateIds = new CoveredValues(0); this.saveInTheBackground(); } public clear(): void { + this.rejectAllPendingCreates(); this.events.length = 0; - this.recentlyDeletedDocumentIds.clear(); } public enqueue(event: SyncEvent): void { if (this.isIgnored(event)) return; - if (event.type === SyncEventType.Create) { - if (this.documents.has(event.path)) return; - if (this.hasCreateEvent(event.path)) return; - } - this.events.push(event); } - public next(): SyncEvent | undefined { + public async next(): Promise { if (this.events.length === 0) return undefined; const [first] = this.events; @@ -244,9 +260,7 @@ export class SyncEventQueue { if (first.type === SyncEventType.Delete) { this.events.shift(); const { documentId } = first; - if (documentId !== "") { - this.removeAllEventsForDocumentId(documentId); - } + this.removeAllEventsForDocumentId(await documentId); return first; } @@ -261,16 +275,18 @@ export class SyncEventQueue { e.documentId === documentId ); if (deleteEvent !== undefined) { - this.removeAllSyncLocalsForDocumentId(documentId); + this.removeAllSyncLocalsForDocumentId(await documentId); removeFromArray(this.events, deleteEvent); return deleteEvent; } - // Coalesce multiple sync-locals for the same documentId to the last one + // Coalesce multiple sync-locals for the same documentId and + // original path to the last one const matching = this.events.filter( (e) => e.type === SyncEventType.SyncLocal && - e.documentId === documentId + e.documentId === documentId && + e.originalPath === first.originalPath ); const result = matching[matching.length - 1]; for (const item of matching) { @@ -328,6 +344,49 @@ export class SyncEventQueue { } } + public updatePendingCreatePath( + oldPath: RelativePath, + newPath: RelativePath + ): void { + const createEvent = this.findLastCreate(oldPath); + if (createEvent === undefined) return; + + const promise = createEvent.resolvers?.promise; + createEvent.path = newPath; + + if (promise !== undefined) { + for (const e of this.events) { + if ( + e.type === SyncEventType.SyncLocal && + e.documentId === promise + ) { + e.path = newPath; + } + } + } + } + + private findLastCreate( + path: RelativePath + ): Extract | undefined { + for (let i = this.events.length - 1; i >= 0; i--) { + const e = this.events[i]; + if (e.type === SyncEventType.Create && e.path === path) { + return e; + } + } + return undefined; + } + + private rejectAllPendingCreates(): void { + for (const event of this.events) { + if (event.type === SyncEventType.Create && event.resolvers !== undefined) { + event.resolvers.promise.catch(() => { /* suppressed — consumer may not be listening */ }); + event.resolvers.reject(new Error("Create was cancelled")); + } + } + } + private saveInTheBackground(): void { void this.save().catch((error: unknown) => { this.logger.error(`Error saving sync state: ${error}`); diff --git a/frontend/sync-client/src/sync-operations/types.ts b/frontend/sync-client/src/sync-operations/types.ts index f722aa8a..1bf99b8a 100644 --- a/frontend/sync-client/src/sync-operations/types.ts +++ b/frontend/sync-client/src/sync-operations/types.ts @@ -7,7 +7,7 @@ export type RelativePath = string; export interface DocumentRecord { documentId: DocumentId; parentVersionId: VaultUpdateId; - hash: string; + remoteHash: string; remoteRelativePath?: RelativePath; } @@ -23,18 +23,26 @@ export interface StoredSyncState { export enum SyncEventType { Create = "create", SyncLocal = "sync-local", - SyncRemote = "sync-remote", Delete = "delete", + SyncRemote = "sync-remote", } export type SyncEvent = - | { type: SyncEventType.Create; path: RelativePath } - | { type: SyncEventType.SyncLocal; documentId: DocumentId } + | { + type: SyncEventType.Create; + path: RelativePath; // current path on disk + originalPath: RelativePath; // original path on disk when the event was created + resolvers?: PromiseWithResolvers + } + | { + type: SyncEventType.SyncLocal; + documentId: DocumentId | Promise; // if it's a promise, the promise is fulfilled once the document's create event is processed + path: RelativePath; // current path on disk + originalPath: RelativePath; // original path on disk when the event was created + } | { type: SyncEventType.Delete; - documentId: DocumentId; - path: RelativePath; - displacedAtVersion?: VaultUpdateId; + documentId: DocumentId | Promise; // if it's a promise, the promise is fulfilled once the document's create event is processed } | { type: SyncEventType.SyncRemote; From d5958fcbaa6605c12f94e262191d8078d0d7467d Mon Sep 17 00:00:00 2001 From: Andras Schmelczer Date: Mon, 6 Apr 2026 22:01:10 +0100 Subject: [PATCH 23/26] . --- .../src/sync-operations/sync-event-queue.ts | 53 ++++++++++++++++++- 1 file changed, 51 insertions(+), 2 deletions(-) diff --git a/frontend/sync-client/src/sync-operations/sync-event-queue.ts b/frontend/sync-client/src/sync-operations/sync-event-queue.ts index dc79c0db..8ea41a6c 100644 --- a/frontend/sync-client/src/sync-operations/sync-event-queue.ts +++ b/frontend/sync-client/src/sync-operations/sync-event-queue.ts @@ -207,7 +207,7 @@ export class SyncEventQueue { (e.type === SyncEventType.Delete && e.documentId === docId) || (e.type === SyncEventType.SyncRemote && - e.remoteVersion.relativePath === path) + this.getDocumentByDocumentId(e.remoteVersion.documentId as DocumentId)?.path === path) ); } @@ -238,6 +238,40 @@ export class SyncEventQueue { public enqueue(event: SyncEvent): void { if (this.isIgnored(event)) return; + if (event.type === SyncEventType.SyncLocal) { + const { path: newPath } = event; + + if (typeof event.documentId === "string") { + const existing = this.getDocumentByDocumentId(event.documentId); + if (!existing) { + throw new Error(`SyncLocal event for unknown documentId ${event.documentId}`); + } + + if (this.documents.has(newPath)) { + throw new Error(`SyncLocal event for documentId ${event.documentId} has newPath ${newPath} which is already tracked by another document`); + } + + if (existing.path !== newPath) { + this.documents.delete(existing.path); + this.documents.set(newPath, existing.record); + for (const e of this.events) { + if ( + e.type === SyncEventType.SyncLocal && + e.documentId === event.documentId + ) { + e.path = newPath; + } + } + this.saveInTheBackground(); + } + } else { + const oldPath = this.findCreatePathByPromise(event.documentId); + if (oldPath !== undefined && oldPath !== newPath) { + this.updatePendingCreatePath(oldPath, newPath); + } + } + } + this.events.push(event); } @@ -286,7 +320,7 @@ export class SyncEventQueue { (e) => e.type === SyncEventType.SyncLocal && e.documentId === documentId && - e.originalPath === first.originalPath + e.originalPath === first.originalPath // can't coalesce moves as they can depend on each other so we have to sync them in the same order, could do topological sort but let's keep it simple for now ); const result = matching[matching.length - 1]; for (const item of matching) { @@ -366,6 +400,21 @@ export class SyncEventQueue { } } + private findCreatePathByPromise( + promise: Promise + ): RelativePath | undefined { + for (let i = this.events.length - 1; i >= 0; i--) { + const e = this.events[i]; + if ( + e.type === SyncEventType.Create && + e.resolvers?.promise === promise + ) { + return e.path; + } + } + return undefined; + } + private findLastCreate( path: RelativePath ): Extract | undefined { From 5a4723cd00a4083f9d289ba8d581da310d03507f Mon Sep 17 00:00:00 2001 From: Andras Schmelczer Date: Tue, 7 Apr 2026 21:03:21 +0100 Subject: [PATCH 24/26] renames --- CLAUDE.md | 592 ------------------ .../deterministic-tests/src/test-registry.ts | 2 + .../displaced-file-not-marked-deleted.test.ts | 40 ++ .../file-operations/file-operations.test.ts | 2 +- .../src/file-operations/file-operations.ts | 2 +- .../src/sync-operations/cursor-tracker.ts | 12 +- .../src/sync-operations/sync-event-queue.ts | 51 +- .../sync-client/src/sync-operations/syncer.ts | 157 ++--- .../src/utils/find-matching-file.ts | 2 +- 9 files changed, 163 insertions(+), 697 deletions(-) delete mode 100644 CLAUDE.md create mode 100644 frontend/deterministic-tests/src/tests/displaced-file-not-marked-deleted.test.ts diff --git a/CLAUDE.md b/CLAUDE.md deleted file mode 100644 index 09bc48dc..00000000 --- a/CLAUDE.md +++ /dev/null @@ -1,592 +0,0 @@ -# CLAUDE.md - -This file provides guidance to Claude Code (claude.ai/code) when working with code in this repository. - -## Project Overview - -VaultLink is a self-hosted Obsidian plugin for real-time collaborative file syncing. The project consists of a Rust-based sync server and a TypeScript frontend with four main components: an Obsidian plugin, a sync client library, a test client, and a standalone CLI client. - -## Architecture - -### Core Components - -- **sync-server/**: Rust-based WebSocket server with SQLite database for document versioning and real-time synchronization -- **frontend/sync-client/**: TypeScript library providing core sync functionality, WebSocket management, and file operations -- **frontend/obsidian-plugin/**: Obsidian plugin that integrates the sync client with Obsidian's API -- **frontend/test-client/**: CLI testing tool for simulating multiple concurrent users -- **frontend/local-client-cli/**: Standalone CLI for VaultLink sync client -- **frontend/history-ui/**: Svelte 5 web UI for browsing vault history, viewing diffs, and restoring versions - -### Key Technologies - -- **Backend**: Rust with Axum framework, SQLite with SQLx, WebSockets for real-time sync -- **Frontend**: TypeScript, Webpack for bundling, Node.js native test runner -- **History UI**: Svelte 5 with runes, Vite for bundling, embedded in server binary via `rust-embed` -- **Sync Algorithm**: Uses reconcile-text library for operational transformation - -### Architectural Patterns - -**Server Architecture:** - -- `AppState`: Central state container holding `Database`, `Cursors`, and `Broadcasts` -- `Database`: SQLite-backed document versioning with SQLx for compile-time query verification -- `Broadcasts`: WebSocket broadcast system for real-time updates to connected clients -- `Cursors`: Tracks user cursor positions across documents with background cleanup task - -**Client Architecture (Serial Event Queue Model):** - -- `SyncClient`: Main entry point, orchestrates all sync operations -- `SyncService`: HTTP API client for CRUD operations on documents -- `WebSocketManager`: Manages WebSocket connection and real-time updates -- `Syncer`: Coordinates file synchronisation via a serial drain loop over a `SyncEventQueue` -- `SyncEventQueue`: Intent queue that coalesces events and tracks path→documentId mappings -- `CursorTracker`: Manages local and remote cursor positions -- `Database`: Client-side document metadata cache (persisted via `PersistenceProvider`) -- `FileOperations`: Abstraction layer for filesystem operations (3-way merge on write) - -**Dual-Bundle Strategy:** -The sync-client builds two separate bundles: - -- `sync-client.web.js`: Browser-compatible UMD bundle (excludes `ws` package) -- `sync-client.node.js`: Node.js CommonJS bundle with WebSocket support - -**History UI Architecture:** - -The history UI (`frontend/history-ui/`) is a standalone Svelte 5 SPA that provides read-only vault history browsing. It communicates with the server via the same REST API used by sync clients, plus three additional endpoints: - -- `GET /vaults/:vault_id/documents/:document_id/versions` — all versions of a document (without content) -- `GET /vaults/:vault_id/history?limit=&before_update_id=` — paginated vault-wide version history (cursor-based) -- `POST /vaults/:vault_id/documents/:document_id/restore` — restore a document to a historical version (creates a new version with old content) - -Server-side implementation: -- Database methods: `get_document_versions()` and `get_vault_history()` in `database.rs`, plus a `VaultHistoryRow` helper struct for `sqlx::query_as!` -- Handlers: `fetch_document_versions.rs`, `fetch_vault_history.rs`, `restore_document_version.rs` -- Response type: `VaultHistoryResponse { versions, hasMore }` in `responses.rs` -- SPA serving: `rust-embed` embeds `frontend/history-ui/dist/` into the binary; `index.rs` serves the SPA at `/` and assets at `/assets/*` - -Client-side component hierarchy: -- `App.svelte` — session restore, routing -- `Login.svelte` — vault name + token auth via `/ping` -- `Dashboard.svelte` — main layout: file tree sidebar, activity feed, time-travel slider -- `DocumentDetail.svelte` — version timeline, content preview, diff view, restore -- `DiffView.svelte` — unified diff with LCS algorithm -- `FileTree.svelte` — recursive tree built from flat `relativePath` values -- `ActivityFeed.svelte` — git-log-style feed with action pills (created/updated/renamed/deleted/restored) -- `TimeSlider.svelte` — scrubs through `vaultUpdateId` range, reconstructs vault state at any point - -State is managed with Svelte 5 runes (`$state`, `$derived`, `$effect`) in `lib/stores.svelte.ts`. Auth is stored in `sessionStorage`. The API client (`lib/api.ts`) sets `Authorization: Bearer` and `device-id: history-ui` headers on all requests. - -## Development Commands - -### Initial Setup - -**Node.js (requires version 25):** - -```bash -curl -o- https://raw.githubusercontent.com/nvm-sh/nvm/v0.40.1/install.sh | bash -nvm install 25 -nvm use 25 -nvm alias default 25 # Optional: set as system default -``` - -**Rust:** - -```bash -curl --proto '=https' --tlsv1.2 -sSf https://sh.rustup.rs | sh -curl https://rustwasm.github.io/wasm-pack/installer/init.sh -sSf | sh -cargo install sqlx-cli cargo-machete cargo-edit cargo-insta -``` - -**Frontend:** - -```bash -cd frontend -npm install -``` - -### Server Development - -```bash -cd sync-server -cargo run config-e2e.yml # Start development server -cargo test --verbose # Run all Rust tests -cargo test # Run specific test -cargo clippy --all-targets --all-features # Lint Rust code -cargo clippy --all-targets --all-features --fix --allow-dirty --allow-staged # Auto-fix clippy warnings -cargo fmt --all -- --check # Check Rust formatting -cargo fmt --all # Auto-format Rust code -cargo machete --with-metadata # Detect unused dependencies -``` - -### Frontend Development - -```bash -cd frontend -npm run dev # Start development mode (watches sync-client and obsidian-plugin) -npm run build # Build all workspaces -npm run build -w sync-client # Build specific workspace -npm run test # Run all tests across all workspaces -npm run test -w sync-client # Run tests for specific workspace -npm run lint # Lint and format TypeScript code with ESLint + Prettier -``` - -### History UI Development - -```bash -cd frontend -npm run dev -w history-ui # Start Vite dev server (localhost:5173, proxies API to localhost:3000) -npm run build -w history-ui # Build for production (output: frontend/history-ui/dist/) -``` - -The history UI is a Svelte 5 SPA embedded in the server binary via `rust-embed`. The build flow is: - -1. `npm run build -w history-ui` produces `frontend/history-ui/dist/` -2. The Rust server embeds these files at compile time (`sync-server/src/server/index.rs`) -3. The server serves `index.html` at `GET /` and static assets at `GET /assets/*` -4. If the dist directory doesn't exist at Rust compile time, `build.rs` creates a placeholder - -During development, run the Vite dev server separately and use its proxy to forward API calls to the running sync server. - -### Database Operations - -```bash -cd sync-server -# Create/reset database for development -rm -rf db.sqlite* -sqlx database create --database-url sqlite://db.sqlite3 -sqlx migrate run --source src/app_state/database/migrations --database-url sqlite://db.sqlite3 -cargo sqlx prepare --workspace - -# Add new migration -sqlx migrate add --source src/app_state/database/migrations -sqlx migrate run --source src/app_state/database/migrations --database-url sqlite://db.sqlite3 -``` - -### Project Scripts - -- `scripts/check.sh`: Full CI check (builds, lints, tests both server and frontend). **Run before pushing.** -- `scripts/check.sh --fix`: Same as above but auto-fixes linting and formatting issues -- `scripts/e2e.sh`: End-to-end testing (e.g., `scripts/e2e.sh 8` for 8 concurrent clients) -- `scripts/clean-up.sh`: Clean logs and database files -- `scripts/bump-version.sh patch`: Publish new version (options: patch, minor, major) -- `scripts/update-api-types.sh`: Update TypeScript bindings from Rust types (uses ts-rs) - -## Code Structure - -### Workspace Configuration - -The frontend uses npm workspaces with five packages: - -- `sync-client`: Core synchronization logic (builds dual bundles for web and Node.js) -- `obsidian-plugin`: Obsidian-specific integration -- `test-client`: Testing utilities for E2E tests -- `local-client-cli`: Standalone CLI for VaultLink sync client -- `history-ui`: Svelte 5 SPA for vault history browsing (built with Vite, embedded in server binary) - -### Type Generation and API Updates - -Rust structs generate TypeScript types via ts-rs crate: - -1. Rust structs annotated with `#[derive(TS)]` export to `sync-server/bindings/` -2. Run `scripts/update-api-types.sh` to copy bindings to `frontend/sync-client/src/services/types/` -3. Frontend imports these types for type-safe API communication - -### Important Implementation Details - -**SQLx Compile-Time Verification:** - -- SQLx verifies SQL queries at compile time against the database schema -- Run `cargo sqlx prepare --workspace` after schema changes to update `.sqlx/` directory -- CI builds require prepared query metadata to avoid needing a live database - -## Testing - -### Running Tests - -**Server:** - -```bash -cargo test --verbose # All tests -cargo test # Specific test -``` - -**Frontend:** - -```bash -npm run test # All workspaces -npm run test -w sync-client # Specific workspace -``` - -**E2E:** - -```bash -scripts/e2e.sh 8 # 8 concurrent clients -scripts/clean-up.sh # Clean up after tests -``` - -### Test Structure - -- **Rust**: Unit tests alongside source files, uses `cargo-insta` for snapshot testing -- **TypeScript**: `.test.ts` files using Node.js native test runner (not Jest) -- **E2E**: Uses `test-client` to simulate multiple concurrent users with random operations -- **Deterministic**: Step-by-step sync scenario tests in `frontend/deterministic-tests/` - -### Deterministic Tests (`frontend/deterministic-tests/`) - -Controlled, step-by-step sync scenario tests that exercise specific edge cases. Each test defines a sequence of operations (create, update, rename, delete, enable/disable sync, pause/resume server) and asserts convergence across multiple agents. - -**Running:** - -```bash -cd frontend/deterministic-tests -npx webpack --config webpack.config.js # Build (required after changes) -node dist/cli.js # Run all tests -node dist/cli.js --filter=write-write # Run tests matching a name/key -``` - -Requires the server binary at `sync-server/target/release/sync_server` and `sync-server/config-e2e.yml`. The harness starts/stops servers automatically. - -**Architecture:** - -- `DeterministicAgent` extends `InMemoryFileSystem` — wraps a real `SyncClient` with an in-memory filesystem -- `TestRunner` executes `TestStep[]` sequentially, manages agent lifecycle -- `ServerControl` manages server processes (start/stop/SIGSTOP/SIGCONT) -- Tests that use `pause-server`/`resume-server` get dedicated server instances; regular tests share one -- Each test gets a unique vault name (UUID) for isolation - -**Writing Tests — Step Types:** - -```typescript -{ type: "create", client: 0, path: "A.md", content: "hello" } -{ type: "update", client: 0, path: "A.md", content: "updated" } -{ type: "rename", client: 0, oldPath: "A.md", newPath: "B.md" } -{ type: "delete", client: 0, path: "A.md" } -{ type: "enable-sync", client: 0 } // Connects WS, triggers reconciliation -{ type: "disable-sync", client: 0 } // Disconnects WS -{ type: "sync", client: 0 } // Wait for specific client to settle -{ type: "sync" } // Wait for ALL clients to settle -{ type: "barrier" } // Wait for convergence + check consistency -{ type: "pause-server" } // SIGSTOP the server process -{ type: "resume-server" } // SIGCONT + wait for readiness -{ type: "assert-consistent", verify?: (state: AssertableState) => void } -``` - -**Critical Rules When Writing Tests:** - -1. **Agents start with sync DISABLED.** Do not `disable-sync` on an agent that hasn't been `enable-sync`'d — it's already off. - -2. **Do not put `{ type: "sync" }` before `{ type: "barrier" }`.** The barrier already calls `waitAllAgentsSettled()` (2 rounds of `waitForSync` on all agents). Adding a `sync` before it is pure redundancy. Use targeted `{ type: "sync", client: N }` only when you need a specific client to finish before another client acts. - -3. **`enable-sync` blocks until WebSocket connects.** If the server is paused (SIGSTOP), `enable-sync` will hang for 10 seconds then fail. Never `enable-sync` while the server is paused. Tests that need to stall in-flight requests should enable sync FIRST, then pause the server. - -4. **File operations while sync is disabled are queued.** When `createFile` is called on the agent, `enqueueSync(syncLocallyCreatedFile)` fires immediately but the fetch is disabled. The `scheduleSyncForOfflineChanges` reconciliation scans the filesystem and re-enqueues all pending changes on the next `enable-sync`. - -5. **`barrier` retries for up to 60 seconds.** It calls `waitAllAgentsSettled`, checks consistency, and if clients disagree, sleeps 500ms and retries. Tests that need more settling time should add targeted `sync` steps before the barrier (e.g., `{ type: "sync", client: 0 }` to ensure client 0's operations complete first). - -6. **No comments in test files.** The test name/description and step types are self-documenting. Keep test files comment-free. - -7. **Keep tests minimal.** Each test should reproduce exactly one edge case with the fewest steps possible. Don't add `assert-consistent` after `barrier` unless it has a `verify` callback (barrier already checks consistency). Always use inline arrow functions for `verify` callbacks rather than separate named functions. - -8. **Treat sync as a black box in test names/descriptions.** Don't reference internal implementation details (VFS, coalescing, idempotency keys, reconciliation, parentVersionId, etc.). Describe the observable scenario and expected outcome from the user's perspective. - -**Test Patterns for Common Edge Cases:** - -*Two clients create at same path (offline):* -```typescript -steps: [ - { type: "create", client: 0, path: "A.md", content: "hello" }, - { type: "create", client: 1, path: "A.md", content: "world" }, - { type: "enable-sync", client: 0 }, - { type: "enable-sync", client: 1 }, - { type: "barrier" }, - { type: "assert-consistent", verify: verifyMergedContent } -] -``` - -*Client edits while other client is offline:* -```typescript -steps: [ - { type: "create", client: 0, path: "A.md", content: "original" }, - { type: "enable-sync", client: 0 }, - { type: "enable-sync", client: 1 }, - { type: "barrier" }, - // Client 1 goes offline, client 0 edits - { type: "disable-sync", client: 1 }, - { type: "update", client: 0, path: "A.md", content: "edited" }, - { type: "sync", client: 0 }, - // Client 1 reconnects - { type: "enable-sync", client: 1 }, - { type: "barrier" }, - { type: "assert-consistent" } -] -``` - -*Testing behavior during server pause (stalled HTTP requests):* -```typescript -steps: [ - // Setup FIRST — both clients must be online before pausing - { type: "enable-sync", client: 0 }, - { type: "enable-sync", client: 1 }, - { type: "barrier" }, - // NOW pause — in-flight requests from subsequent operations will stall - { type: "pause-server" }, - { type: "create", client: 0, path: "A.md", content: "hello" }, - { type: "resume-server" }, - { type: "barrier" }, - { type: "assert-consistent" } -] -``` - -**Verify Functions and `AssertableState`:** - -The `verify` callback on `assert-consistent` receives an `AssertableState` object (defined in `utils/assertable-state.ts`) with chainable assertion methods: - -```typescript -state.assertFileCount(2) // exact file count -state.assertFileExists("A.md") // file must exist -state.assertFileNotExists("old.md") // file must not exist -state.assertContent("A.md", "hello") // exact content match -state.assertContains("A.md", "hello", "world") // all substrings present -state.assertContainsAny("A.md", "hello", "world") // at least one substring -state.assertAnyFileContains("content-a") // substring in any file -state.assertSubstringCount("A.md", "hello", 1) // occurrence count -state.assertContentInAtMostOneFile("original") // no duplicate content -state.ifFileExists("A.md", (s) => ...) // conditional assertion -state.getContent("A.md") // raw content access -``` - -All methods return `this` for chaining. The object also exposes `files` and `clientFiles` for custom logic. - -For conflict-resolution tests where the outcome is genuinely ambiguous (delete vs update, rename ordering), use `ifFileExists`. For merges where both sides MUST be preserved, use `assertContains`. When the empty-parent merge (invariant #15) is involved, word boundaries may be garbled — check for fragments, not exact substrings. - -```typescript -function verify(state: AssertableState): void { - state.ifFileExists("A.md", (s) => s.assertContent("A.md", "expected content")); -} - -function verify(state: AssertableState): void { - state.assertContains("A.md", "edit from 0", "edit from 1"); -} -``` - -**Adding a New Test:** - -1. Create `frontend/deterministic-tests/src/tests/your-test-name.test.ts` -2. Export a `TestDefinition` with `clients` and `steps` (the test name is derived from the registry key) -3. Import and register in `test-registry.ts` -4. Build with `npx webpack --config webpack.config.js` -5. Run with `node dist/cli.js --filter=your-test-name` - -**Known Limitations:** - -- Cannot test VFS.move failures — the in-memory filesystem never fails -- Cannot `enable-sync` while the server is paused — the WebSocket connection will time out -- The empty-parent 3-way merge (used for smart creates) can produce garbled word boundaries — check for fragments, not exact substrings -- The test harness can hang during shared server cleanup when transitioning to server-pause tests - -## Code Style and Formatting - -### Rust - -- Extensive Clippy lints (see `Cargo.toml`) -- Pedantic linting rules enabled -- Forbids unsafe code -- Uses `rustfmt.toml` for formatting configuration (4 spaces, Unix line endings) -- Run `cargo fmt --all` to format - -### TypeScript - -- **Prettier**: 4-space indentation, no trailing commas, LF line endings -- **YAML/Markdown override**: 2-space indentation (via prettier config) -- **ESLint**: Strict rules with unused imports detection -- Configuration in `frontend/package.json` -- Run `npm run lint` to format and fix issues - -### Svelte (History UI) - -- Uses Svelte 5 runes syntax (`$state`, `$derived`, `$effect`, `$props`) -- Vite as bundler with `@sveltejs/vite-plugin-svelte` -- Excluded from the main ESLint config (Svelte files need different linting); `history-ui/**` is in the eslint ignores list -- CSS is component-scoped via Svelte's `