7

frontend/src/asset_manager.js

@@ -17,14 +17,34 @@ export const getAssetFromVersion = (currentVersion, assetType) => {
   return getAssetFromGroup(currentVersion.assets, assetType);
 };
 
+export const resolveDocumentAssetUrl = (doc, type, { ensureAssetUrl, getAsset, ensureOptions } = {}) => {
+  if (!doc || !type) {
+    return null;
+  }
+  const asset = typeof getAsset === 'function' ? getAsset(doc, type) : null;
+  if (!asset) {
+    return null;
+  }
+  const now = Date.now();
+  const expiresAt = typeof asset.expiresAt === 'number' ? asset.expiresAt : null;
+  const hasFreshUrl = asset.url && (!expiresAt || expiresAt > now);
+  if (hasFreshUrl) {
+    return asset.url;
+  }
+  if (doc.id && asset.id && typeof ensureAssetUrl === 'function') {
+    const force = Boolean(asset.url && expiresAt && expiresAt <= now);
+    const options = ensureOptions ? { ...ensureOptions, force } : { force };
+    ensureAssetUrl(doc.id, asset, options).catch(() => {});
+  }
+  return null;
+};
+
 class AssetManager {
   constructor({ api, assetPresignTtlMs }) {
     this.api = api;
     this.assetPresignTtlMs = assetPresignTtlMs;
     this.assetCache = new Map();
     this.assetInflight = new Map();
-    this.previewCache = new Map();
-    this.previewInflight = new Map();
   }
 
   setApi(api) {
@@ -197,60 +217,9 @@ class AssetManager {
     return request;
   }
 
-  ensurePreview(documentId, { force = false } = {}) {
-    if (!documentId) {
-      return Promise.resolve(null);
-    }
-    const cached = this.previewCache.get(documentId);
-    const now = Date.now();
-    if (!force && cached && (!cached.expiresAt || cached.expiresAt > now)) {
-      return Promise.resolve(cached);
-    }
-
-    if (!force && this.previewInflight.has(documentId)) {
-      return this.previewInflight.get(documentId);
-    }
-
-    if (!this.api) {
-      return Promise.reject(new Error('AssetManager API client is not configured.'));
-    }
-
-    const request = this.api
-      .get(`/documents/${documentId}/download`)
-      .then(({ data }) => {
-        const ttl = data.expires_in ? Math.max(data.expires_in - 60, 30) * 1000 : 5 * 60 * 1000;
-        const entry = {
-          url: data.url,
-          contentType: data.content_type || null,
-          filename: data.filename,
-          expiresAt: Date.now() + ttl,
-        };
-        this.previewCache.set(documentId, entry);
-        return entry;
-      })
-      .finally(() => {
-        this.previewInflight.delete(documentId);
-      });
-
-    this.previewInflight.set(documentId, request);
-    return request;
-  }
-
-  getPreview(documentId) {
-    return this.previewCache.get(documentId) || null;
-  }
-
-  deleteDocument(documentId) {
-    if (!documentId) return;
-    this.previewCache.delete(documentId);
-    this.previewInflight.delete(documentId);
-  }
-
   reset() {
     this.assetCache.clear();
     this.assetInflight.clear();
-    this.previewCache.clear();
-    this.previewInflight.clear();
   }
 }