changed the folder structure. separated the routes and added the authmiddleware for authentication

api/routes/popcen.js

@@ -0,0 +1,23 @@
+const express = require("express");
+const router = express.Router();
+const db = require("../../config/db");
+const verifyToken = require("../../middlewares/authMiddleware");
+
+router.get("/", verifyToken, (req, res) => {
+  const caseidPattern = req.query.caseidPattern + "%";
+  const batchno = parseInt(req.query.batchno, 10) || 1;
+  const sql =
+    "SELECT id, uuid, caseid, modified_time FROM popcen WHERE caseid LIKE ? LIMIT ? OFFSET ?";
+  const limit = 1000;
+  const offset = (batchno - 1) * limit;
+
+  db.query(sql, [caseidPattern, limit, offset], (err, results) => {
+    if (err) {
+      console.error(err);
+      return res.status(500).send("Server error");
+    }
+    res.json({ batchno, results });
+  });
+});
+
+module.exports = router;

api/routes/popcenCount.js

@@ -0,0 +1,19 @@
+const express = require("express");
+const router = express.Router();
+const db = require("../../config/db");
+const verifyToken = require("../../middlewares/authMiddleware");
+
+router.get("/", verifyToken, (req, res) => {
+  const caseidPattern = req.query.caseidPattern + "%";
+  const sql = "SELECT COUNT(id) AS count FROM popcen WHERE caseid LIKE ?";
+
+  db.query(sql, [caseidPattern], (err, results) => {
+    if (err) {
+      console.error(err);
+      return res.status(500).send("Server error");
+    }
+    res.json(results[0].count);
+  });
+});
+
+module.exports = router;

api/routes/user.js

@@ -0,0 +1,39 @@
+const express = require("express");
+const router = express.Router();
+const jwt = require("jsonwebtoken");
+const db = require("../../config/db");
+
+// User login endpoint
+router.post("/login", (req, res) => {
+  const { username, password } = req.body;
+
+  if (!username || !password) {
+    return res.status(400).send("Username and password are required");
+  }
+
+  const sql = "SELECT * FROM tbl_user WHERE username = ?";
+  db.query(sql, [username], (err, results) => {
+    if (err) {
+      console.error(err);
+      return res.status(500).send("Server error");
+    }
+
+    if (results.length === 0) {
+      return res.status(401).send("Invalid credentials");
+    }
+
+    const user = results[0];
+
+    if (password === user.password) {
+      let jwtSecretKey = process.env.JWT_SECRET_KEY || "defaultSecretKey";
+      let data = { userId: user.id, username: user.username };
+
+      const token = jwt.sign(data, jwtSecretKey, { expiresIn: "1h" });
+      return res.json({ token });
+    } else {
+      return res.status(401).send("Invalid credentials");
+    }
+  });
+});
+
+module.exports = router;