real time messaging

backend/routes/messages.js

@@ -2,6 +2,7 @@ const express = require('express');
 const { Message, User } = require('../models');
 const { authenticateToken } = require('../middleware/auth');
 const logger = require('../utils/logger');
+const { emitNewMessage, emitMessageRead } = require('../sockets/messageSocket');
 const router = express.Router();
 
 // Get all messages for the current user (inbox)
@@ -109,15 +110,26 @@ router.get('/:id', authenticateToken, async (req, res) => {
     }
 
     // Mark as read if user is the receiver
-    if (message.receiverId === req.user.id && !message.isRead) {
+    const wasUnread = message.receiverId === req.user.id && !message.isRead;
+    if (wasUnread) {
       await message.update({ isRead: true });
+
+      // Emit socket event to sender for real-time read receipt
+      const io = req.app.get('io');
+      if (io) {
+        emitMessageRead(io, message.senderId, {
+          messageId: message.id,
+          readAt: new Date().toISOString(),
+          readBy: req.user.id
+        });
+      }
     }
 
     const reqLogger = logger.withRequestId(req.id);
     reqLogger.info("Message fetched", {
       userId: req.user.id,
       messageId: req.params.id,
-      markedAsRead: message.receiverId === req.user.id && !message.isRead
+      markedAsRead: wasUnread
     });
 
     res.json(message);
@@ -165,6 +177,12 @@ router.post('/', authenticateToken, async (req, res) => {
       }]
     });
 
+    // Emit socket event to receiver for real-time notification
+    const io = req.app.get('io');
+    if (io) {
+      emitNewMessage(io, receiverId, messageWithSender.toJSON());
+    }
+
     const reqLogger = logger.withRequestId(req.id);
     reqLogger.info("Message sent", {
       senderId: req.user.id,
@@ -202,6 +220,16 @@ router.put('/:id/read', authenticateToken, async (req, res) => {
 
     await message.update({ isRead: true });
 
+    // Emit socket event to sender for real-time read receipt
+    const io = req.app.get('io');
+    if (io) {
+      emitMessageRead(io, message.senderId, {
+        messageId: message.id,
+        readAt: new Date().toISOString(),
+        readBy: req.user.id
+      });
+    }
+
     const reqLogger = logger.withRequestId(req.id);
     reqLogger.info("Message marked as read", {
       userId: req.user.id,