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This commit is contained in:
Andras Schmelczer 2026-04-06 13:01:47 +01:00
parent 0e3e5a99cd
commit d034ad5cb3
50 changed files with 6515 additions and 1492 deletions
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37
frontend/sync-client/src/sync-operations/cursor-tracker.ts
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@ -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<DocumentUpToDateness> {
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;
}