major functionalities are fixed

apps/Backend/src/middlewares/auth.middleware.ts

@@ -0,0 +1,26 @@
+import jwt from 'jsonwebtoken';
+import { Request, Response, NextFunction } from 'express';
+
+const JWT_SECRET = process.env.JWT_SECRET || 'your-jwt-secret'; // Secret used for signing JWTs
+
+export function authenticateJWT(req: Request, res: Response, next: NextFunction): void{
+
+  // Check the Authorization header for the Bearer token
+  const token = req.header('Authorization')?.split(' ')[1]; // Extract token from Authorization header
+
+  if (!token) {
+    res.status(401).send("Access denied. No token provided.");
+    return;
+  }
+
+  // Verify JWT
+  jwt.verify(token, JWT_SECRET, (err, decoded) => {
+    if (err) {
+      return res.status(403).send("Forbidden. Invalid token.");
+    }
+
+    // Attach the decoded user data to the request object
+    req.user = decoded as Express.User;
+    next(); // Proceed to the next middleware or route handler
+  });
+}

apps/Backend/src/middlewares/error.middleware.ts

@@ -0,0 +1,6 @@
+import { Request, Response, NextFunction } from 'express';
+
+export const errorHandler = (err: any, _req: Request, res: Response, _next: NextFunction) => {
+  console.error(err);
+  res.status(err.status || 500).json({ message: err.message || 'Internal Server Error' });
+};

apps/Backend/src/middlewares/logger.middleware.ts

@@ -0,0 +1,33 @@
+import { Request, Response, NextFunction } from "express";
+
+function log(message: string) {
+  console.log(`[${new Date().toISOString()}] ${message}`);
+}
+
+export function apiLogger(req: Request, res: Response, next: NextFunction) {
+  const start = Date.now();
+  const path = req.path;
+  let capturedJsonResponse: Record<string, any> | undefined = undefined;
+
+  const originalResJson = res.json;
+  res.json = function (bodyJson, ...args) {
+    capturedJsonResponse = bodyJson;
+    return originalResJson.apply(res, [bodyJson, ...args]);
+  };
+
+  res.on("finish", () => {
+    const duration = Date.now() - start;
+    if (path.startsWith("/api")) {
+      let logLine = `${req.method} ${path} ${res.statusCode} in ${duration}ms`;
+      if (capturedJsonResponse) {
+        logLine += ` :: ${JSON.stringify(capturedJsonResponse)}`;
+      }
+      if (logLine.length > 80) {
+        logLine = logLine.slice(0, 79) + "…";
+      }
+      log(logLine);
+    }
+  });
+
+  next();
+}