code refactor, auto redirect to chat

index.js

@@ -30,13 +30,38 @@ app.use(session({
 }));
 
 app.post('/auth/login', async function(req, res) {
-    let username = req.body.username.trim();
-    let password = req.body.password.trim();
-
     await loginUser(req, res);
 });
 
 app.post('/auth/signup', async (req, res) => {
+    await signupUser(req, res);
+});
+
+// serving the login page
+app.get('/login', (req, res) => {
+    res.sendFile(path.join(__dirname, '/frontend/routes/login.html'));
+})
+
+// serving the signup page
+app.get('/signup', (req, res) => {
+    res.sendFile(path.join(__dirname, '/frontend/routes/signup.html'));
+})
+
+app.get('/', (req, res) => {
+    if(req.session.loggedin){
+        res.sendFile(path.join(__dirname, '/frontend/routes/chat.html'));
+    } else {
+        res.redirect('/login')
+    }
+
+})
+// run server
+app.listen(port, () => {
+    console.log(`Example app listening on port ${port}`)
+})
+
+//signup function
+async function signupUser(req, res) {
 
     let username = req.body.username.trim();
     let password = req.body.password.trim();
@@ -55,30 +80,17 @@ app.post('/auth/signup', async (req, res) => {
 
         // Insert user
         await insertUser(username, hash);
+        req.session.loggedin = true;
+        req.session.username = username;
+
         return res.status(200).send("Account successfully created <a href=/login>Login screen</a>");
+
     } catch (err) {
         console.error('Error inserting data:', err);
         return res.status(500).send('Error inserting data');
     }
-});
 
-// serving the login page
-app.get('/login', (req, res) => {
-    res.sendFile(path.join(__dirname, '/frontend/routes/login.html'));
-})
-
-// serving the signup page
-app.get('/signup', (req, res) => {
-    res.sendFile(path.join(__dirname, '/frontend/routes/signup.html'));
-})
-
-app.get('/', (req, res) => {
-    res.sendFile(path.join(__dirname, '/frontend/routes/index.html'));
-})
-// run server
-app.listen(port, () => {
-    console.log(`Example app listening on port ${port}`)
-})
+}
 
 // login function
 async function loginUser(req, res) {
@@ -92,7 +104,15 @@ async function loginUser(req, res) {
                 const user = result.rows[0];
                 const match = await bcrypt.compare(password, user.password);
                 if (match) {
-                    res.send('Login successful!');
+                    res.send(`
+                        <p>Login successful!</p>
+                        <p>Redirecting to chat...</p>
+                        <script>
+                            setTimeout(() =>{
+                                window.location.href = '/';
+                            }, 3000);
+                        </script>
+                    `);
                 } else {
                     res.send('Incorrect Username or Password!');
                 }