MongoDB connection added

package.json

@@ -7,6 +7,10 @@
     "@testing-library/jest-dom": "^5.17.0",
     "@testing-library/react": "^13.4.0",
     "@testing-library/user-event": "^13.5.0",
+    "axios": "^1.6.8",
+    "dotenv": "^16.4.5",
+    "express": "^4.19.2",
+    "mongoose": "^8.3.1",
     "react": "^18.2.0",
     "react-dom": "^18.2.0",
     "react-router-dom": "^6.22.3",
@@ -40,5 +44,6 @@
   },
   "devDependencies": {
     "@babel/plugin-proposal-private-property-in-object": "^7.21.11"
-  }
+  },
+  "proxy": "http://localhost:5000"
 }

src/.env

+DB_USERNAME=R24-152
+DB_PASSWORD=1234!@#$Qw
\ No newline at end of file

src/server.js

+require('dotenv').config(); // Make sure to require dotenv as early as possible
+const express = require('express');
+const mongoose = require('mongoose');
+const app = express();
+
+// Use JSON middleware to parse JSON bodies into JS objects
+app.use(express.json());
+
+// Connect to MongoDB
+const username = encodeURIComponent(process.env.DB_USERNAME);
+const password = encodeURIComponent(process.env.DB_PASSWORD);
+const dbCluster = process.env.DB_CLUSTER;
+const dbURI = `mongodb+srv://${username}:${password}@${dbCluster}/myDatabaseName?retryWrites=true&w=majority`;
+
+mongoose.connect(dbURI, { useNewUrlParser: true, useUnifiedTopology: true })
+    .then(() => console.log('MongoDB connected'))
+    .catch(err => console.error('Connection error:', err));
+
+// Define routes for your API
+app.get('/', (req, res) => {
+    res.send('Hello World!');
+});
+
+// Example POST route
+app.post('/login', (req, res) => {
+    // This is an example, you would have actual logic to verify credentials
+    const { username, password } = req.body;
+    if (username === 'teacher' && password === '1234') {
+        res.json({ status: 'ok', message: 'Teacher logged in' });
+    } else if (username === 'student' && password === '1234') {
+        res.json({ status: 'ok', message: 'Student logged in' });
+    } else {
+        res.status(401).json({ status: 'error', message: 'Invalid credentials' });
+    }
+});
+
+// Start the server
+const PORT = process.env.PORT || 5000;
+app.listen(PORT, () => {
+    console.log(`Server running on port ${PORT}`);
+});