feat: Introduce multi-platform architecture for Electron and Web clients with shared UI components, Convex backend for messaging, and integrated search functionality.

packages/platform-web/src/searchStorage.js

@@ -0,0 +1,54 @@
+const DB_NAME = 'discord-clone-search';
+const STORE_NAME = 'databases';
+const DB_VERSION = 1;
+
+function openIDB() {
+  return new Promise((resolve, reject) => {
+    const req = indexedDB.open(DB_NAME, DB_VERSION);
+    req.onupgradeneeded = () => {
+      const db = req.result;
+      if (!db.objectStoreNames.contains(STORE_NAME)) {
+        db.createObjectStore(STORE_NAME);
+      }
+    };
+    req.onsuccess = () => resolve(req.result);
+    req.onerror = () => reject(req.error);
+  });
+}
+
+const searchStorage = {
+  async load(userId) {
+    const db = await openIDB();
+    return new Promise((resolve, reject) => {
+      const tx = db.transaction(STORE_NAME, 'readonly');
+      const store = tx.objectStore(STORE_NAME);
+      const req = store.get(`search-db-${userId}`);
+      req.onsuccess = () => resolve(req.result || null);
+      req.onerror = () => reject(req.error);
+    });
+  },
+
+  async save(userId, bytes) {
+    const db = await openIDB();
+    return new Promise((resolve, reject) => {
+      const tx = db.transaction(STORE_NAME, 'readwrite');
+      const store = tx.objectStore(STORE_NAME);
+      const req = store.put(bytes, `search-db-${userId}`);
+      req.onsuccess = () => resolve();
+      req.onerror = () => reject(req.error);
+    });
+  },
+
+  async clear(userId) {
+    const db = await openIDB();
+    return new Promise((resolve, reject) => {
+      const tx = db.transaction(STORE_NAME, 'readwrite');
+      const store = tx.objectStore(STORE_NAME);
+      const req = store.delete(`search-db-${userId}`);
+      req.onsuccess = () => resolve();
+      req.onerror = () => reject(req.error);
+    });
+  },
+};
+
+export default searchStorage;