notification

backend/src/routes/notifications.js

@@ -11,27 +11,36 @@ const Notification = require('../models/Notification');
 router.get('/', auth, async (req, res) => {
   try {
     const { page = 1, limit = 20, type, status } = req.query;
+    const ChitGroup = require('../models/ChitGroup');
     
-    const query = { user_id: req.user.id };
+    const where = { user_id: req.user.id };
     
     // Filter by type if provided
     if (type) {
-      query.type = type;
+      where.type = type;
     }
     
     // Filter by status if provided
     if (status) {
-      query.status = status;
+      where.status = status;
     }
     
-    const notifications = await Notification.find(query)
-      .sort({ createdAt: -1 })
-      .limit(parseInt(limit))
-      .skip((parseInt(page) - 1) * parseInt(limit))
-      .populate('group_id', 'name')
-      .select('-__v');
+    const offset = (parseInt(page) - 1) * parseInt(limit);
     
-    const total = await Notification.countDocuments(query);
+    const { count, rows: notifications } = await Notification.findAndCountAll({
+      where,
+      order: [['created_at', 'DESC']],
+      limit: parseInt(limit),
+      offset: offset,
+      include: [
+        {
+          model: ChitGroup,
+          as: 'group',
+          attributes: ['name'],
+          required: false
+        }
+      ]
+    });
     
     res.json({
       success: true,
@@ -39,17 +48,19 @@ router.get('/', auth, async (req, res) => {
         notifications,
         pagination: {
           currentPage: parseInt(page),
-          totalPages: Math.ceil(total / parseInt(limit)),
-          totalItems: total,
+          totalPages: Math.ceil(count / parseInt(limit)),
+          totalItems: count,
           itemsPerPage: parseInt(limit)
         }
       }
     });
   } catch (error) {
     console.error('Error fetching notifications:', error);
+    console.error('Error stack:', error.stack);
     res.status(500).json({
       success: false,
-      message: 'Server error'
+      message: 'Server error',
+      error: process.env.NODE_ENV === 'development' ? error.message : undefined
     });
   }
 });
@@ -174,12 +185,23 @@ router.delete('/:id', auth, async (req, res) => {
  */
 router.get('/stats', auth, async (req, res) => {
   try {
-    const total = await Notification.countDocuments({ user_id: req.user.id });
+    const { Sequelize } = require('sequelize');
+    
+    const total = await Notification.count({ 
+      where: { user_id: req.user.id } 
+    });
+    
     const unread = await Notification.getUnreadCount(req.user.id);
-    const byType = await Notification.aggregate([
-      { $match: { user_id: req.user.id } },
-      { $group: { _id: '$type', count: { $sum: 1 } } }
-    ]);
+    
+    const byType = await Notification.findAll({
+      attributes: [
+        'type',
+        [Sequelize.fn('COUNT', Sequelize.col('type')), 'count']
+      ],
+      where: { user_id: req.user.id },
+      group: ['type'],
+      raw: true
+    });
     
     res.json({
       success: true,