AdminCoursePage added..... admin routes protection added

server/routes/courseRoutes.js

@@ -1,25 +1,26 @@
 const express = require("express");
 const Course = require("../models/Course");
+const verifyAdmin = require("../../client/src/components/verifyAdmin");
 
 const router = express.Router();
 
 router.get("/", async (req, res) => {
-    try {
-      const filter = {};
-  
-      if (req.query.department) filter.department = req.query.department;
-      if (req.query.program) filter.program = req.query.program;
-      if (req.query.semester) filter.semester = Number(req.query.semester); // Convert to number if needed
-      if (req.query.scheme) filter.scheme = req.query.scheme;
-  
-      const courses = await Course.find(filter);
-      res.json(courses);
-    } catch (error) {
-      console.error("Error fetching courses:", error);
-      res.status(500).json({ error: "Failed to fetch courses" });
-    }
-  });
-  
+  try {
+    const filter = {};
+
+    if (req.query.department) filter.department = req.query.department;
+    if (req.query.program) filter.program = req.query.program;
+    if (req.query.semester) filter.semester = Number(req.query.semester); // Convert to number if needed
+    if (req.query.scheme) filter.scheme = req.query.scheme;
+
+    const courses = await Course.find(filter);
+    res.json(courses);
+  } catch (error) {
+    console.error("Error fetching courses:", error);
+    res.status(500).json({ error: "Failed to fetch courses" });
+  }
+});
+
 
 // Get course by ID
 router.get("/:id", async (req, res) => {
@@ -36,7 +37,7 @@ router.get("/:id", async (req, res) => {
 });
 
 // Update course status route
-router.patch("/api/courses/:courseId", async (req, res) => {
+router.patch(":courseId", async (req, res) => {
   try {
     const { courseId } = req.params; // Extract courseId from params
     const { status } = req.body; // Extract status from body
@@ -69,5 +70,67 @@ router.patch("/api/courses/:courseId", async (req, res) => {
   }
 });
 
+//update a course
+router.put("/:courseId", verifyAdmin, async (req, res) => {
+  try {
+    const updatedCourse = await Course.findOneAndUpdate(
+      { courseId: req.params.courseId },
+      req.body,
+      { new: true }
+    );
+    if (!updatedCourse) {
+      return res.status(404).json({ error: "Course not found" });
+    }
+    res.json(updatedCourse);
+  } catch (error) {
+    console.error("Error updating course:", error);
+    res.status(500).json({ error: "Failed to update course" });
+  }
+});
+
+//delete 
+router.delete("/:courseId", verifyAdmin, async (req, res) => {
+  try {
+    const deletedCourse = await Course.findOneAndDelete({ courseId: req.params.courseId });
+    if (!deletedCourse) {
+      return res.status(404).json({ error: "Course not found" });
+    }
+    res.json({ message: "Course deleted successfully" });
+  } catch (error) {
+    console.error("Error deleting course:", error);
+    res.status(500).json({ error: "Failed to delete course" });
+  }
+});
+
+// add a new course
+router.post("/", verifyAdmin, async (req, res) => {
+  try {
+    const { courseId, name, department, program, scheme, semester, status } = req.body;
+
+    // Check if a course with the same courseId already exists
+    const existingCourse = await Course.findOne({ courseId });
+    if (existingCourse) {
+      return res.status(400).json({ error: "Course ID already exists" });
+    }
+
+    const newCourse = new Course({
+      courseId,
+      name,
+      department,
+      program,
+      scheme,
+      semester,
+      status
+    });
+
+    await newCourse.save();
+    res.status(201).json({ message: "Course added successfully", course: newCourse });
+  } catch (error) {
+    console.error("Error adding course:", error);
+    res.status(500).json({ error: "Failed to add course" });
+  }
+});
+
+
 
 module.exports = router;