added login , update scan, added user

index.js

@@ -3,9 +3,10 @@ const http = require('http');
 const cors = require('cors');
 const dotenv = require('dotenv');
 const fileUpload = require('express-fileupload');
+const socket = require('./socket');
 const app = express();
 const server = http.createServer(app);
-
+const io = socket.init(server);
 
 dotenv.config();
 
@@ -18,10 +19,11 @@ app.use(cors());
 app.get('/', (req, res) => {
     console.log("Hello World!");
     res.send('Hello World!');
-})
+});
 
 app.use('/scan', require('./routes/scan_routes'));
-
+app.use('/login', require('./routes/login_routes'));
+app.use('/user', require('./routes/user_routes'));
 
 // app error handler
 app.use((err, req, res, next) => {
@@ -29,11 +31,26 @@ app.use((err, req, res, next) => {
     res.status(500).send('Something broke!');
 });
 
+io.on('connection', (socket) => {
+    let userID = socket.id;
+    console.log('A user connected: ' + userID);
 
-module.exports = { app, server };
+    socket.on('scan_dia', (data) => {
+        console.log('Received scan_dia event: ' + data);
+    });
 
+    socket.on('disconnect', () => {
+        console.log('User disconnected: ' + userID);
+    });
+});
+
+module.exports = {
+    app,
+    server,
+    io
+};
 const port = process.env.PORT || 3000;
 
 server.listen(port, () => {
     console.log(`Server running on port ${port}`);
-})
+});