refactor: simplify boot cache hydration to a paint-only step

2026-06-10 12:37:11 +05:30
parent 9fb75656d2
commit f452b88e8d
6 changed files with 121 additions and 224 deletions
@@ -0,0 +1,32 @@
+import { DataManager } from './DataManager';
+import { cacheableModels } from './cacheableModels';
+
+// Seed Vuex from IndexedDB before the dashboard renders so warm boots paint
+// cached config instantly. This is purely local — zero network calls.
+//
+// Freshness is handled entirely by the account.cache_invalidated event:
+// RoomChannel transmits the current cache-key map on every (re)subscribe, and
+// the server broadcasts it on every change. dispatchCacheRevalidations diffs
+// those keys against IDB and refetches mismatches — the client never pulls
+// cache keys itself.
+export default async function paintStoresFromCache(store, accountId) {
+  let dm;
+  try {
+    dm = new DataManager(accountId);
+    await dm.initDb();
+  } catch {
+    // IDB unsupported (e.g. Firefox private mode) — silent no-op. Components
+    // will fetch from the network normally via the cache-enabled API client.
+    return;
+  }
+
+  // Stale-while-revalidate paint: commit cached data into Vuex immediately.
+  await Promise.all(
+    cacheableModels.map(async model => {
+      const localData = await dm.get({ modelName: model.name });
+      if (localData.length === 0) return;
+      if (model.clearMutation) store.commit(model.clearMutation);
+      store.commit(model.setMutation, localData);
+    })
+  );
+}