Added backend and integration for FilterPage and CourseTable done

server/routes/appointmentRoutes.js

@@ -0,0 +1,51 @@
+const express = require("express");
+const Appointment = require("../models/Appointment");
+
+const router = express.Router();
+
+// Get all appointments
+router.get("/", async (req, res) => {
+  try {
+    const appointments = await Appointment.find()
+      .populate("courseId", "name department")
+      .populate("facultyId", "name email");
+    res.json(appointments);
+  } catch (error) {
+    res.status(500).json({ error: "Failed to fetch appointments" });
+  }
+});
+
+// Create a new appointment
+router.post("/", async (req, res) => {
+    try {
+      const { courseId, facultyId, appointmentType } = req.body;
+  
+      const newAppointment = new Appointment({
+        courseId,
+        facultyId,
+        appointmentType,
+      });
+  
+      await newAppointment.save();
+      res.status(201).json(newAppointment);
+    } catch (error) {
+      res.status(400).json({ error: "Failed to create appointment" });
+    }
+  });
+
+// Get appointment by ID
+router.get("/:id", async (req, res) => {
+  try {
+    const appointment = await Appointment.findOne({ appointmentId: req.params.id })
+      .populate("courseId", "name department")
+      .populate("facultyId", "name email");
+    if (!appointment) {
+      return res.status(404).json({ error: "Appointment not found" });
+    }
+    res.json(appointment);
+  } catch (error) {
+    res.status(500).json({ error: "Failed to fetch appointment" });
+  }
+});
+
+module.exports = router;