csv code

server/controller/csvGeneratorController.js

@@ -0,0 +1,50 @@
+const path = require("path");
+const createCsvWriter = require("csv-writer").createObjectCsvWriter;
+const Appointment = require("../models/Appointment");
+
+const generateAppointmentCSV = async (req, res) => {
+  try {
+    const appointments = await Appointment.find();
+    const groupedData = appointments.reduce((acc, appointment) => {
+      if (!acc[appointment.facultyId]) {
+        acc[appointment.facultyId] = {
+          facultyId: appointment.facultyId,
+          facultyName: appointment.facultyName,
+          tasks: [],
+        };
+      }
+      acc[appointment.facultyId].tasks.push({
+        courseId: appointment.courseId,
+        courseName: appointment.courseName,
+        task: appointment.task,
+      });
+      return acc;
+    }, {});
+
+    const csvData = [];
+    Object.values(groupedData).forEach(({ facultyId, facultyName, tasks }) => {
+      tasks.forEach(({ courseId, courseName, task }) => {
+        csvData.push({ facultyId, facultyName, courseId, courseName, task });
+      });
+    });
+
+    const csvWriter = createCsvWriter({
+      path: path.join(__dirname, "../generated_csv/appointments.csv"),
+      header: [
+        { id: "facultyId", title: "Faculty ID" },
+        { id: "facultyName", title: "Faculty Name" },
+        { id: "courseId", title: "Course ID" },
+        { id: "courseName", title: "Course Name" },
+        { id: "task", title: "Task" },
+      ],
+    });
+
+    await csvWriter.writeRecords(csvData);
+    res.status(200).json({ message: "CSV generated successfully", path: "/generated_csv/appointments.csv" });
+  } catch (error) {
+    console.error("Error generating CSV:", error);
+    res.status(500).json({ message: "Failed to generate CSV" });
+  }
+};
+
+module.exports = { generateAppointmentCSV };