Commit With Frontend and Backend in MERN

2025-02-10 14:24:56 +05:30
commit 0f4e1a3183
2518 changed files with 448667 additions and 0 deletions
--- a/backend/server.js
+++ b/backend/server.js
@@ -0,0 +1,164 @@
+//server.js
+
+require("dotenv").config();
+const express = require("express");
+const mongoose = require("mongoose");
+const bodyParser = require("body-parser");
+const cors = require("cors");
+const nodemailer = require("nodemailer");
+const multer = require("multer");
+const path = require("path");
+const moment = require("moment");
+
+const app = express();
+app.use(cors());
+app.use(bodyParser.json());
+app.use(bodyParser.urlencoded({ extended: true }));
+app.use("/uploads", express.static("uploads"));
+
+// Multer setup for file uploads
+const storage = multer.diskStorage({
+  destination: "uploads/",
+  filename: (req, file, cb) => {
+    cb(null, Date.now() + path.extname(file.originalname));
+  },
+});
+const upload = multer({ storage });
+
+// MongoDB connection
+mongoose
+  .connect(process.env.MONGODB_URI, { useNewUrlParser: true, useUnifiedTopology: true })
+  .then(() => console.log("Connected to MongoDB"))
+  .catch((err) => console.error("MongoDB Connection Error:", err));
+
+// Meeting Schema
+const meetingSchema = new mongoose.Schema({
+  program: String,
+  department: String,
+  subject: String,
+  body: String,
+  agenda: [String],
+  date: String,
+  startTime: String,
+  endTime: String,
+  recipients: [String],
+  attachments: [{ filename: String, path: String }],
+});
+const Meeting = mongoose.model("Meeting", meetingSchema);
+
+// API to send email
+app.post("/api/send-email", upload.array("attachments"), async (req, res) => {
+  try {
+    const { program, department, subject, body, agenda, date, startTime, endTime, recipients } = req.body;
+    const files = req.files;
+
+    if (!program || !department || !subject || !body || !date || !startTime || !endTime || !recipients) {
+      return res.status(400).json({ error: "All fields are required!" });
+    }
+
+    // Check for meeting conflicts
+    const conflict = await Meeting.findOne({
+      date,
+      startTime: { $lt: endTime },
+      endTime: { $gt: startTime },
+    });
+
+    if (conflict) {
+      // Return the details of the conflicting meeting
+      const conflictDetails = {
+        department: conflict.department,
+        date: conflict.date,
+        startTime: conflict.startTime,
+        endTime: conflict.endTime,
+        recipients: conflict.recipients,
+        subject: conflict.subject,
+      };
+
+      return res.status(409).json({ 
+        error: "Meeting conflict detected! Please choose a different time.",
+        conflictDetails 
+      });
+    }
+
+    // Format date and time properly
+    const formattedDate = moment(date, "YYYY-MM-DD").format("dddd, MMMM Do YYYY");
+    const formattedStartTime = moment(startTime, "HH:mm").format("hh:mm A");
+    const formattedEndTime = moment(endTime, "HH:mm").format("hh:mm A");
+
+    // Format Google Calendar event link
+    const formattedStart = moment(`${date} ${startTime}`, "YYYY-MM-DD HH:mm").utc().format("YYYYMMDDTHHmmss[Z]");
+    const formattedEnd = moment(`${date} ${endTime}`, "YYYY-MM-DD HH:mm").utc().format("YYYYMMDDTHHmmss[Z]");
+    const zoomLink = "https://us05web.zoom.us/j/2655616202?pwd=S3d6RjVPNnhmQ3AzTlZsRC9GYmNHQT09";
+    const calendarLink = `https://calendar.google.com/calendar/render?action=TEMPLATE&text=${encodeURIComponent(
+      subject
+    )}&details=${encodeURIComponent(`${body}\nJoin Zoom Meeting: ${zoomLink}`)}&dates=${formattedStart}/${formattedEnd}`;
+
+    // Format agenda into pointwise list
+    const formattedAgenda = agenda
+      ? agenda.map((item, index) => `<li>${index + 1}. ${item}</li>`).join("")
+      : "<li>No agenda provided</li>";
+
+    // Store meeting in DB
+    const newMeeting = new Meeting({
+      program,
+      department,
+      subject,
+      body,
+      agenda,
+      date,
+      startTime,
+      endTime,
+      recipients,
+      attachments: files.map((file) => ({ filename: file.filename, path: file.path })),
+    });
+    await newMeeting.save();
+
+    // Email transporter
+    const transporter = nodemailer.createTransport({
+      service: "gmail",
+      auth: {
+        user: process.env.EMAIL,
+        pass: process.env.EMAIL_PASSWORD,
+      },
+    });
+
+    // Email options
+    const mailOptions = {
+      from: process.env.EMAIL,
+      to: recipients,
+      subject,
+      html: `
+        <p><strong>Respected Board Members,</strong></p>
+        <p><strong>Greetings from Somaiya Vidyavihar University !!</strong></p>
+        <p><strong>We are glad to invite you to the Board of Studies meeting: </strong></p>
+        <p>${body}</p>
+        <p><strong>Program:</strong> ${program}</p>
+        <p><strong>Department:</strong> ${department}</p>
+        <p><strong>Date:</strong> ${formattedDate}</p>
+        <p><strong>Time:</strong> ${formattedStartTime} - ${formattedEndTime}</p>
+        <p><strong>Zoom Meeting Details:</strong></p>
+        <p><strong>Meeting ID: </strong>265 561 6202</p>
+        <p><strong>Meeting Password: </strong>123456</p>
+        <p><strong>Zoom Meeting Link: </strong><a href="https://us05web.zoom.us/j/2655616202?pwd=S3d6RjVPNnhmQ3AzTlZsRC9GYmNHQT09" target="_blank">Join the Meeting</a></p>
+        <p><strong>Agenda:</strong></p>
+        <ul>${formattedAgenda}</ul>
+        <p><a href="${calendarLink}">📅 Click here to add this event to Google Calendar</a></p>
+      `,
+      attachments: files.map((file) => ({
+        filename: file.filename,
+        path: file.path,
+      })),
+    };
+
+    // Send email
+    await transporter.sendMail(mailOptions);
+    res.status(200).json({ message: "Email sent successfully!", calendarLink });
+  } catch (error) {
+    console.error("Error sending email:", error);
+    res.status(500).json({ error: "Error sending email" });
+  }
+});
+
+// Start server
+const PORT = process.env.PORT || 5000;
+app.listen(PORT, () => console.log(`Server running on port ${PORT}`));