added api router to backend and fixed badge when reloading the website

backend/routes/api.js

@@ -0,0 +1,110 @@
+import express from "express";
+import {
+  loginUser,
+  createUser,
+  updateUser,
+  deleteUser,
+  getAllUsers,
+} from "../services/database.js";
+import { generateToken, authenticate } from "../services/tokenService.js";
+
+const router = express.Router();
+
+router.post("/login", async (req, res) => {
+  try {
+    const result = await loginUser(req.body.username, req.body.password);
+    if (result.success && result.user.role === "admin") {
+      const userToken = await generateToken({
+        role: result.user.role,
+        username: result.user.username,
+      });
+      console.log("User token generated: ", userToken);
+      res.status(200).json({
+        success: true,
+        message: "Login successful",
+        token: userToken,
+        ...result,
+      });
+    } else if (result.success && result.user.role === "user") {
+      res.status(403).json(result, { message: "You are not an Admin!" }); // Event Handler is in LoginCard.tsx - there is defined what happens when the status is 403
+    } else {
+      res.status(401).json(result, { message: "Invalid credentials" }); // Event Handler is in LoginCard.tsx - there is defined what happens when the status is 401
+    }
+  } catch (err) {
+    console.error("Error logging in:", err);
+    res.status(500).json({ success: false, message: "Internal server error" });
+  }
+});
+
+router.get("/getAllUsers", authenticate, async (req, res) => {
+  if (req.user.role === "admin") {
+    getAllUsers()
+      .then((users) => {
+        res.status(200).json(users);
+      })
+      .catch((err) => {
+        console.error("Error fetching users:", err);
+        res
+          .status(500)
+          .json({ success: false, message: "Internal server error" });
+      });
+    console.log("Fetched all users successfully");
+  } else if (req.user.role === "user") {
+    res.status(403).json({ success: false, message: "Access denied" });
+    console.log("Access denied for user role");
+  } else {
+    res.status(500).json({ success: false, message: "Server error" });
+    console.log("Server error while fetching users");
+  }
+});
+
+router.post("/deleteUser", authenticate, async (req, res) => {
+  if (req.user.role === "admin") {
+    deleteUser(req.body.id)
+      .then((result) => {
+        if (result.success) {
+          res.status(200).json(result);
+        } else {
+          throw new Error("Failed to delete user");
+        }
+      })
+      .catch((err) => {
+        console.error("Error deleting user:", err);
+        res
+          .status(500)
+          .json({ success: false, message: "Internal server error" });
+      });
+    console.log("User deleted successfully");
+  } else {
+    console.log("Access denied for user role");
+  }
+});
+
+router.post("/updateUser", authenticate, async (req, res) => {
+  if (req.user.role === "admin") {
+    updateUser(
+      req.body.username,
+      req.body.first_name,
+      req.body.last_name,
+      req.body.password,
+      req.body.email,
+      req.body.id
+    )
+      .then((result) => {
+        if (result.success) {
+          res.status(200).json(result);
+        } else {
+          throw new Error("Failed to update user");
+        }
+      })
+      .catch((err) => {
+        console.error("Error updating user:", err);
+        res
+          .status(500)
+          .json({ success: false, message: "Internal server error" });
+      });
+    console.log("User updated successfully");
+  }
+});
+
+export default router;

backend/server.js

@@ -12,6 +12,7 @@ import {
 } from "./services/database.js";
 import { generateToken, authenticate } from "./services/tokenService.js";
 import cookieParser from "cookie-parser";
+import router from "./routes/api.js";
 
 //view engine ejs
 app.set("view engine", "ejs");
@@ -20,102 +21,7 @@ app.use(express.json());
 app.use(cors());
 app.use(cookieParser());
 
-app.post("/api/login", async (req, res) => {
-  try {
-    const result = await loginUser(req.body.username, req.body.password);
-    if (result.success && result.user.role === "admin") {
-      const userToken = await generateToken({
-        role: result.user.role,
-        username: result.user.username,
-      });
-      console.log("User token generated: ", userToken);
-      res.status(200).json({
-        success: true,
-        message: "Login successful",
-        token: userToken,
-        ...result,
-      });
-    } else if (result.success && result.user.role === "user") {
-      res.status(403).json(result, { message: "You are not an Admin!" }); // Event Handler is in LoginCard.tsx - there is defined what happens when the status is 403
-    } else {
-      res.status(401).json(result, { message: "Invalid credentials" }); // Event Handler is in LoginCard.tsx - there is defined what happens when the status is 401
-    }
-  } catch (err) {
-    console.error("Error logging in:", err);
-    res.status(500).json({ success: false, message: "Internal server error" });
-  }
-});
-
-app.get("/api/getAllUsers", authenticate, async (req, res) => {
-  if (req.user.role === "admin") {
-    getAllUsers()
-      .then((users) => {
-        res.status(200).json(users);
-      })
-      .catch((err) => {
-        console.error("Error fetching users:", err);
-        res
-          .status(500)
-          .json({ success: false, message: "Internal server error" });
-      });
-    console.log("Fetched all users successfully");
-  } else if (req.user.role === "user") {
-    res.status(403).json({ success: false, message: "Access denied" });
-    console.log("Access denied for user role");
-  } else {
-    res.status(500).json({ success: false, message: "Server error" });
-    console.log("Server error while fetching users");
-  }
-});
-
-app.post("/api/deleteUser", authenticate, async (req, res) => {
-  if (req.user.role === "admin") {
-    deleteUser(req.body.id)
-      .then((result) => {
-        if (result.success) {
-          res.status(200).json(result);
-        } else {
-          throw new Error("Failed to delete user");
-        }
-      })
-      .catch((err) => {
-        console.error("Error deleting user:", err);
-        res
-          .status(500)
-          .json({ success: false, message: "Internal server error" });
-      });
-    console.log("User deleted successfully");
-  } else {
-    console.log("Access denied for user role");
-  }
-});
-
-app.post("/api/updateUser", authenticate, async (req, res) => {
-  if (req.user.role === "admin") {
-    updateUser(
-      req.body.username,
-      req.body.first_name,
-      req.body.last_name,
-      req.body.password,
-      req.body.email,
-      req.body.id
-    )
-      .then((result) => {
-        if (result.success) {
-          res.status(200).json(result);
-        } else {
-          throw new Error("Failed to update user");
-        }
-      })
-      .catch((err) => {
-        console.error("Error updating user:", err);
-        res
-          .status(500)
-          .json({ success: false, message: "Internal server error" });
-      });
-    console.log("User updated successfully");
-  }
-});
+app.use("/api", router);
 
 app.listen(port, () => {
   console.log(`Express backend server is running at http://localhost:${port}`);