Update index.js

index.js

@@ -107,6 +107,41 @@ app.get('/user/:id/info', async (req, res) => {
   }
 });
 
+// GET /group/:id/meta → returns group metadata from MongoDB (names.json)
+app.get('/group/:id/meta', async (req, res) => {
+  const groupId = req.params.id;
+  if (!groupId) {
+    return res.status(400).json({ status: false, message: 'Group ID required' });
+  }
+
+  const client = new MongoClient(MONGO_URI);
+  try {
+    await client.connect();
+    const db = client.db(DB_NAME);
+    const collection = db.collection(COLLECTION_NAME);
+
+    const doc = await collection.findOne({ filename: 'data/names.json' });
+    if (!doc || !doc.data || !doc.data[groupId]) {
+      return res.status(404).json({ status: false, message: 'Group metadata not found' });
+    }
+
+    const group = doc.data[groupId];
+    return res.json({
+      status: true,
+      groupId,
+      groupName: group.groupName,
+      groupPic: group.groupPic || null,
+      inviteLink: group.inviteLink || null,
+      memberCount: group.memberCount || null,
+      admins: group.admins || []
+    });
+  } catch (err) {
+    return res.status(500).json({ status: false, error: err.message });
+  } finally {
+    await client.close();
+  }
+});
+
 app.listen(PORT, () => {
   console.log(`Express server running at http://localhost:${PORT}`);
 });