Initial commit of CK-QR Platform

2026-07-27 13:42:18 +05:30
commit 60dcb029dc
19 changed files with 2582 additions and 0 deletions
@@ -0,0 +1,61 @@
+const express = require('express');
+const router = express.Router();
+const { Pool } = require('pg');
+const { verifyToken } = require('../middleware/auth');
+
+const pgPool = new Pool({
+    host: process.env.PGHOST || 'postgres',
+    port: process.env.PGPORT || 5432,
+    user: process.env.PGUSER || 'postgres',
+    password: process.env.PGPASSWORD || 'postgres',
+    database: process.env.PGDATABASE || 'ckqr',
+});
+
+router.get('/:qrCodeId', verifyToken, async (req, res) => {
+    const { qrCodeId } = req.params;
+    const userId = req.user.id;
+
+    try {
+        // Ensure this user owns the QR code
+        const checkOwner = await pgPool.query('SELECT id FROM qr_codes WHERE id = $1 AND user_id = $2', [qrCodeId, userId]);
+        if (checkOwner.rows.length === 0) {
+            return res.status(403).json({ error: 'Unauthorized or QR code not found' });
+        }
+
+        // Get total scans
+        const totalQuery = await pgPool.query('SELECT COUNT(*) as total FROM qr_scans WHERE qr_code_id = $1', [qrCodeId]);
+        
+        // Get OS breakdown
+        const osQuery = await pgPool.query(
+            'SELECT os, COUNT(*) as count FROM qr_scans WHERE qr_code_id = $1 GROUP BY os', 
+            [qrCodeId]
+        );
+
+        // Get Device Type breakdown
+        const deviceQuery = await pgPool.query(
+            'SELECT device_type, COUNT(*) as count FROM qr_scans WHERE qr_code_id = $1 GROUP BY device_type', 
+            [qrCodeId]
+        );
+
+        // Get Scans over time (last 7 days grouped by date)
+        const timeQuery = await pgPool.query(
+            `SELECT DATE(scanned_at) as date, COUNT(*) as count 
+             FROM qr_scans 
+             WHERE qr_code_id = $1 AND scanned_at >= NOW() - INTERVAL '7 days'
+             GROUP BY DATE(scanned_at) ORDER BY date ASC`,
+            [qrCodeId]
+        );
+
+        res.json({
+            totalScans: parseInt(totalQuery.rows[0].total),
+            osBreakdown: osQuery.rows,
+            deviceBreakdown: deviceQuery.rows,
+            timeline: timeQuery.rows
+        });
+    } catch (err) {
+        console.error(err);
+        res.status(500).json({ error: 'Server Error fetching analytics' });
+    }
+});
+
+module.exports = router;