added register.js to store hash password to db

api/routes/register.js

@@ -0,0 +1,48 @@
+const express = require("express");
+const router = express.Router();
+const bcrypt = require("bcrypt"); // bcrypt for password hashing
+const db = require("../../config/db");
+
+// User registration endpoint
+router.post("/", async (req, res) => {
+  const { username, password } = req.body;
+
+  if (!username || !password) {
+    return res.status(400).send("Username and password are required");
+  }
+
+  // Check if the username already exists
+  const sqlCheck = "SELECT * FROM tbl_user WHERE username = ?";
+  db.query(sqlCheck, [username], async (err, results) => {
+    if (err) {
+      console.error(err);
+      return res.status(500).send("Server error");
+    }
+
+    if (results.length > 0) {
+      return res.status(400).send("Username already exists");
+    }
+
+    try {
+      // Hash the password using bcrypt
+      const saltRounds = 10;
+      const hashedPassword = await bcrypt.hash(password, saltRounds);
+
+      // Insert the new user into the database with the hashed password
+      const sqlInsert = "INSERT INTO tbl_user (username, password) VALUES (?, ?)";
+      db.query(sqlInsert, [username, hashedPassword], (err, result) => {
+        if (err) {
+          console.error(err);
+          return res.status(500).send("Server error");
+        }
+
+        res.status(201).send("User registered successfully");
+      });
+    } catch (error) {
+      console.error(error);
+      res.status(500).send("Error registering user");
+    }
+  });
+});
+
+module.exports = router;

app.js

@@ -1,10 +0,0 @@
-const express = require('express')
-
-const app = express();
-
-const productRoutes = require('./api/routes/products')
-
-app.use('/products')
-
-
-module.exports = app;

server.js

@@ -1,28 +1,49 @@
 const express = require("express");
 const dotenv = require("dotenv");
 const bodyParser = require("body-parser");
+const jwt = require("jsonwebtoken");
 
 // Initialize app
 const app = express();
 
-// Load environment variables
+// Load environment variables from .env file
 dotenv.config();
 
 // Middleware for parsing JSON
 app.use(bodyParser.json());
 
+// Middleware to check JWT token for protected routes
+const authenticateToken = (req, res, next) => {
+  const token = req.header("Authorization")?.split(" ")[1]; // Get token from header
+
+  if (!token) {
+    return res.status(403).send("A token is required for authentication");
+  }
+
+  try {
+    const jwtSecretKey = process.env.JWT_SECRET_KEY || "defaultSecretKey";
+    const verified = jwt.verify(token, jwtSecretKey);
+    req.user = verified; // Store user data in req object
+  } catch (err) {
+    return res.status(401).send("Invalid token");
+  }
+  next();
+};
+
 // Import routes
 const popcenRoutes = require("./api/routes/popcen");
 const popcenCountRoutes = require("./api/routes/popcenCount");
 const userRoutes = require("./api/routes/user");
+const registerRoutes = require("./api/routes/register"); // Register route
 
 // Use routes
-app.use("/popcen", popcenRoutes);
-app.use("/popcenCount", popcenCountRoutes);
 app.use("/user", userRoutes);
+app.use("/user/register", registerRoutes);
+app.use("/popcen", authenticateToken, popcenRoutes); // Protect popcen routes with JWT
+app.use("/popcenCount", authenticateToken, popcenCountRoutes); // Protect popcenCount routes
 
 // Start server
-const PORT = 3000;
+const PORT = process.env.PORT || 3000;
 app.listen(PORT, () => {
   console.log(`Server is running on port ${PORT}`);
 });