Create index.js

index.js

@@ -0,0 +1,46 @@
+const express = require('express');
+const { MongoClient } = require('mongodb');
+require('dotenv').config(); // Load .env variables
+
+const MONGO_URI = process.env.MONGO_URI;
+const DB_NAME = 'finral';
+const COLLECTION_NAME = 'json';
+
+const app = express();
+const PORT = 7860;
+
+// GET /group/:id/users → returns group users
+app.get('/group/:id/users', async (req, res) => {
+  const groupId = req.params.id;
+  const filename = `data/groups/${groupId}.json`;
+
+  const client = new MongoClient(MONGO_URI);
+  try {
+    await client.connect();
+    const db = client.db(DB_NAME);
+    const collection = db.collection(COLLECTION_NAME);
+
+    const doc = await collection.findOne({ filename });
+
+    if (!doc) {
+      return res.status(404).json({ status: false, message: 'Group not found in MongoDB' });
+    }
+
+    const groupData = doc.data;
+    return res.json({
+      status: true,
+      groupId,
+      totalUsers: Object.keys(groupData.users || {}).length,
+      users: groupData.users || {},
+      lastReset: groupData.lastReset || null
+    });
+  } catch (err) {
+    return res.status(500).json({ status: false, error: err.message });
+  } finally {
+    await client.close();
+  }
+});
+
+app.listen(PORT, () => {
+  console.log(`Express server running at http://localhost:${PORT}`);
+});