bulk-pdf for unique email addresses

server/routes/emailRoutes.js

@@ -4,19 +4,31 @@ const fs = require("fs");
 const multer = require("multer");
 const router = express.Router();
 
-// Setup multer for handling file uploads
+// Multer setup remains intact
 const storage = multer.diskStorage({
   destination: function (req, file, cb) {
-    cb(null, "./"); // Save to the current directory (you can customize this)
+    cb(null, "./"); // Customize directory if needed
   },
   filename: function (req, file, cb) {
-    cb(null, file.originalname); // Use the original file name
+    cb(null, file.originalname);
   },
 });
-
 const upload = multer({ storage });
 
-// Route to handle email sending with file attachment
+// Single transporter setup clearly moved to top (no duplication)
+const transporter = nodemailer.createTransport({
+  service: "gmail",
+  auth: {
+    user: "swdc.ate@gmail.com",
+    pass: "umlc hbkr dpga iywd",
+  },
+  tls: { rejectUnauthorized: false },
+  connectionTimeout: 30000,
+  greetingTimeout: 30000,
+  socketTimeout: 30000,
+});
+
+// Existing Excel route unchanged, except transporter removal
 router.post("/excel", upload.single("file"), async (req, res) => {
   const { teacher, fileName, recipientEmail } = req.body;
 
@@ -24,24 +36,8 @@ router.post("/excel", upload.single("file"), async (req, res) => {
     return res.status(400).json({ error: "Missing required fields or file" });
   }
 
-  // Configure Nodemailer transporter
-  const transporter = nodemailer.createTransport({
-    service: "gmail",
-    auth: {
-      user: "swdc.ate@gmail.com", // Replace with your email
-      pass: "umlc hbkr dpga iywd", // Replace with your app-specific password or token
-    },
-    tls: {
-      rejectUnauthorized: false, // Ignore self-signed certificate errors
-    },
-    connectionTimeout: 15000,
-    greetingTimeout: 15000,
-    socketTimeout: 15000,
-  });
-
-  // Email options
   const mailOptions = {
-    from: "SWDC Admin <swdc.ate@gmail.com>", // Replace with your email
+    from: "SWDC Admin <swdc.ate@gmail.com>",
     to: recipientEmail,
     subject: `Examination Appointments for ${teacher}`,
     text: `Dear Sir/Madam,
@@ -50,27 +46,18 @@ Please find attached the Excel sheet regarding various appointments for the May-
 
 Note: Kindly download the Excel sheet to view the hidden columns referring to the Scheme and other information.
 
-
 If you have any queries, please contact the H.O.D or the Examination In-charge.
 
 Your cooperation regarding the upcoming examination duties is highly solicited.`,
-    attachments: [
-      {
-        filename: fileName,
-        path: req.file.path, // Use the uploaded file's path
-      },
-    ],
+    attachments: [{ filename: fileName, path: req.file.path }],
   };
 
-
   try {
-    // Send email
     await transporter.sendMail(mailOptions);
     transporter.close();
 
     // Delete the temporary file after sending the email
     fs.unlinkSync(req.file.path);
-
     res.status(200).json({ message: "Email sent successfully" });
   } catch (error) {
     console.error("Error sending email:", error);
@@ -78,7 +65,7 @@ Your cooperation regarding the upcoming examination duties is highly solicited.`
   }
 });
 
-// Route to send emails with PDF attachments
+// Route to send emails with single PDF attachment remains intact
 router.post("/pdf", upload.single("pdfFile"), async (req, res) => {
   const { fileName, recipientEmail, role, courseName } = req.body;
 
@@ -86,22 +73,6 @@ router.post("/pdf", upload.single("pdfFile"), async (req, res) => {
     return res.status(400).json({ error: "Missing required fields or file" });
   }
 
-  // Configure Nodemailer transporter
-  const transporter = nodemailer.createTransport({
-    service: "gmail",
-    auth: {
-      user: "swdc.ate@gmail.com", // Replace with your email
-      pass: "umlc hbkr dpga iywd", // Replace with your app-specific password
-    },
-    tls: {
-      rejectUnauthorized: false,
-    },
-    connectionTimeout: 15000,
-    greetingTimeout: 15000,
-    socketTimeout: 15000,
-  });
-
-  // Email options
   const mailOptions = {
     from: "SWDC Admin <swdc.ate@gmail.com>",
     to: recipientEmail,
@@ -115,22 +86,14 @@ If you have any queries, please contact the Examination In-charge.
 
 Best regards,
 Examination Department`,
-    attachments: [
-      {
-        filename: fileName,
-        path: req.file.path, // Path to the uploaded PDF
-      },
-    ],
+    attachments: [{ filename: fileName, path: req.file.path }],
   };
 
   try {
-    // Send email
     await transporter.sendMail(mailOptions);
     transporter.close();
 
-    // Delete the PDF file after sending
-    // fs.unlinkSync(req.file.path);
-
+    fs.unlinkSync(req.file.path);
     res.status(200).json({ message: "Email sent successfully" });
   } catch (error) {
     console.error("Error sending email:", error);
@@ -138,4 +101,59 @@ Examination Department`,
   }
 });
 
+// ✅ New route clearly added to handle multiple PDF attachments
+// ✅ Correct and clean bulk-pdf route clearly stated
+router.post("/bulk-pdf", upload.array("pdfFiles"), async (req, res) => {
+  const { recipientEmail, facultyName, courseName } = req.body;
+
+  if (!recipientEmail || !facultyName || !courseName || !req.files || req.files.length === 0) {
+    return res.status(400).json({ error: "Missing required fields or files" });
+  }
+
+  const attachments = req.files.map((file) => ({
+    filename: file.originalname,
+    path: file.path,
+  }));
+
+  const mailOptions = {
+    from: "SWDC Admin <swdc.ate@gmail.com>",
+    to: recipientEmail,
+    subject: `Appointment Letters - ${courseName}`,
+    text: `Dear ${facultyName},
+
+Please find your appointment letters attached.
+
+If you have any queries, please contact the Examination In-charge.
+
+Best regards,
+Examination Department`,
+    attachments,
+  };
+
+  try {
+    await transporter.sendMail(mailOptions);
+    transporter.close();
+
+    // ✅ Ensure files are deleted after successful sending
+    attachments.forEach((attachment) => {
+      if (fs.existsSync(attachment.path)) {
+        fs.unlinkSync(attachment.path);
+      }
+    });
+
+    res.status(200).json({ message: "Bulk email sent successfully" });
+  } catch (error) {
+    console.error("Error sending bulk email (backend):", error);
+
+    attachments.forEach((attachment) => {
+      if (fs.existsSync(attachment.path)) {
+        fs.unlinkSync(attachment.path);
+      }
+    });
+
+    res.status(500).json({ error: "Failed to send bulk email", details: error.message });
+  }
+});
+
+
 module.exports = router;