WIP

frontend/history-ui/src/lib/api.ts

@@ -0,0 +1,121 @@
+import type {
+    DocumentVersion,
+    DocumentVersionWithoutContent,
+    FetchLatestDocumentsResponse,
+    ListVaultsResponse,
+    PingResponse,
+    VaultHistoryResponse
+} from "./types";
+
+async function fetchJsonWithToken<T>(
+    path: string,
+    token: string,
+    init?: RequestInit
+): Promise<T> {
+    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}: ${body}`);
+    }
+    return response.json() as Promise<T>;
+}
+
+export async function listVaults(
+    token: string
+): Promise<ListVaultsResponse> {
+    return fetchJsonWithToken("/vaults", token);
+}
+
+export class ApiClient {
+    constructor(
+        private vaultId: string,
+        private token: string
+    ) {}
+
+    private get baseUrl(): string {
+        return `/vaults/${encodeURIComponent(this.vaultId)}`;
+    }
+
+    private async fetchJson<T>(
+        path: string,
+        init?: RequestInit
+    ): Promise<T> {
+        return fetchJsonWithToken(path, this.token, init);
+    }
+
+    async ping(): Promise<PingResponse> {
+        return this.fetchJson(`${this.baseUrl}/ping`);
+    }
+
+    async fetchLatestDocuments(): Promise<FetchLatestDocumentsResponse> {
+        return this.fetchJson(`${this.baseUrl}/documents`);
+    }
+
+    async fetchDocumentVersions(
+        documentId: string
+    ): Promise<DocumentVersionWithoutContent[]> {
+        return this.fetchJson(
+            `${this.baseUrl}/documents/${documentId}/versions`
+        );
+    }
+
+    async fetchDocumentVersion(
+        documentId: string,
+        vaultUpdateId: number
+    ): Promise<DocumentVersion> {
+        return this.fetchJson(
+            `${this.baseUrl}/documents/${documentId}/versions/${vaultUpdateId}`
+        );
+    }
+
+    async fetchDocumentVersionContent(
+        documentId: string,
+        vaultUpdateId: number
+    ): Promise<ArrayBuffer> {
+        const response = await fetch(
+            `${this.baseUrl}/documents/${documentId}/versions/${vaultUpdateId}/content`,
+            { headers: this.headers() }
+        );
+        if (!response.ok) {
+            throw new Error(`HTTP ${response.status}`);
+        }
+        return response.arrayBuffer();
+    }
+
+    async fetchVaultHistory(
+        limit?: number,
+        beforeUpdateId?: number
+    ): Promise<VaultHistoryResponse> {
+        const params = new URLSearchParams();
+        if (limit !== undefined) params.set("limit", String(limit));
+        if (beforeUpdateId !== undefined)
+            params.set("before_update_id", String(beforeUpdateId));
+        const qs = params.toString();
+        return this.fetchJson(
+            `${this.baseUrl}/history${qs ? `?${qs}` : ""}`
+        );
+    }
+
+    async restoreVersion(
+        documentId: string,
+        vaultUpdateId: number
+    ): Promise<DocumentVersionWithoutContent> {
+        return this.fetchJson(
+            `${this.baseUrl}/documents/${documentId}/restore`,
+            {
+                method: "POST",
+                headers: {
+                    "Content-Type": "application/json"
+                },
+                body: JSON.stringify({ vaultUpdateId })
+            }
+        );
+    }
+}