feat: Migrate email service from Nodemailer to Resend #1247

server/package.json

@@ -43,6 +43,7 @@
     "nanoid": "^5.1.2",
     "nodemailer": "^7.0.5",
     "rate-limiter-flexible": "^7.3.0",
+    "resend": "^6.1.2",
     "sanitize-html": "^2.17.0"
   },
   "devDependencies": {

server/src/config/env.js

@@ -7,24 +7,26 @@ dotenv.config();
 export const PORT = process.env.PORT || 8000;
 export const NODE_ENV = process.env.NODE_ENV || 'development';
 export const VITE_SERVER_DOMAIN =
-  process.env.VITE_SERVER_DOMAIN || 'https://code-a2z-server.vercel.app';
+    process.env.VITE_SERVER_DOMAIN || 'https://code-a2z-server.vercel.app';
 
 // MongoDB Configuration
 export const MONGODB_URL =
-  process.env.MONGODB_URL || 'mongodb://localhost:27017/code-a2z';
+    process.env.MONGODB_URL || 'mongodb://localhost:27017/code-a2z';
 
 // JWT Configuration
 export const JWT_SECRET_ACCESS_KEY =
-  process.env.JWT_SECRET_ACCESS_KEY || 'default_secret_key';
+    process.env.JWT_SECRET_ACCESS_KEY || 'default_secret_key';
 export const JWT_EXPIRES_IN = process.env.JWT_EXPIRES_IN || '7D';
 
 // Cloudinary Configuration (for media uploads)
 export const CLOUDINARY_CLOUD_NAME =
-  process.env.CLOUDINARY_CLOUD_NAME || 'admin';
+    process.env.CLOUDINARY_CLOUD_NAME || 'admin';
 export const CLOUDINARY_API_KEY = process.env.CLOUDINARY_API_KEY || 'admin';
 export const CLOUDINARY_API_SECRET =
-  process.env.CLOUDINARY_API_SECRET || 'admin';
+    process.env.CLOUDINARY_API_SECRET || 'admin';
 
-// Admin Credentials (for nodemailer & localtunnel)
-export const ADMIN_EMAIL = process.env.ADMIN_EMAIL || 'admin@example.com';
-export const ADMIN_PASSWORD = process.env.ADMIN_PASSWORD || 'admin123';
+//  Resend / Email Configuration
+export const ADMIN_EMAIL =
+  process.env.ADMIN_EMAIL || "dev.admin@example.com";
+export const RESEND_API_KEY =
+  process.env.RESEND_API_KEY || "dev_resend_key_abc123";

server/src/config/resend.js

@@ -0,0 +1,10 @@
+import { Resend } from "resend";
+import { RESEND_API_KEY } from "./env.js";
+
+if (!RESEND_API_KEY) {
+  throw new Error("Resend API key is not set in environment variables.");
+}
+
+const resend = new Resend(RESEND_API_KEY);
+
+export default resend;

server/src/controllers/collaborator/invite-collab.js

@@ -1,12 +1,10 @@
-import crypto from 'crypto';
-
-import Collaborator from '../../models/collaborator.model.js';
-import Project from '../../models/project.model.js';
-import User from '../../models/user.model.js';
-
-import transporter from '../../config/nodemailer.js';
-import { sendResponse } from '../../utils/response.js';
-import { VITE_SERVER_DOMAIN } from '../../config/env.js';
+import crypto from "crypto";
+import Collaborator from "../../models/collaborator.model.js";
+import Project from "../../models/project.model.js";
+import User from "../../models/user.model.js";
+import resend from "../../config/resend.js";
+import { sendResponse } from "../../utils/response.js";
+import { VITE_SERVER_DOMAIN } from "../../config/env.js";
 
 const invitationToCollaborate = async (req, res) => {
   const user_id = req.user;
@@ -15,42 +13,51 @@ const invitationToCollaborate = async (req, res) => {
   try {
     const user = await User.findById(user_id);
     if (!user) {
-      return sendResponse(res, 404, 'error', 'User not found!', null);
+      return sendResponse(res, 404, "error", "User not found!", null);
     }
 
     const projectToCollaborate = await Project.findOne({
       project_id: project_id,
-    }).populate({ path: 'author', select: 'personal_info.email' });
+    }).populate({ path: "author", select: "personal_info.email" });
 
     if (!projectToCollaborate) {
-      return sendResponse(res, 404, 'error', 'Project not found!', null);
+      return sendResponse(res, 404, "error", "Project not found!", null);
     }
 
-    // Ensure author is populated and has _id and personal_info
     const author = projectToCollaborate.author;
     if (!author || !author._id) {
-      return sendResponse(res, 404, 'error', 'Project author not found!', null);
+      return sendResponse(res, 404, "error", "Project author not found!", null);
     }
-    if (user._id === author._id) {
+
+    if (String(user._id) === String(author._id)) {
       return sendResponse(
         res,
         400,
-        'error',
-        'You cannot invite yourself to collaborate on your own project.',
+        "error",
+        "You cannot invite yourself to collaborate on your own project.",
         null
       );
     }
 
     const authorEmail = author.personal_info?.email;
-
-    const token = crypto.randomBytes(16).toString('hex');
+    const token = crypto.randomBytes(16).toString("hex");
     const acceptLink = `${VITE_SERVER_DOMAIN}/api/collaboration/accept/${token}`;
     const rejectLink = `${VITE_SERVER_DOMAIN}/api/collaboration/reject/${token}`;
 
-    const mailOptions = {
-      from: process.env.ADMIN_EMAIL,
-      to: authorEmail,
-      subject: 'Collaboration Invitation',
+    if (!authorEmail) {
+      return sendResponse(
+        res,
+        400,
+        "error",
+        "Project author does not have an email address.",
+        null
+      );
+    }
+
+    await resend.emails.send({
+      from: `The Code A2Z Team <${process.env.ADMIN_EMAIL}>`,
+      to: [authorEmail],
+      subject: "Collaboration Invitation",
       html: `
         <p>Hi,</p>
         <p><strong>${user?.personal_info?.fullname}</strong> has requested to collaborate on your project "${projectToCollaborate.title}".</p>
@@ -62,44 +69,23 @@ const invitationToCollaborate = async (req, res) => {
         <p>Your response will help us update the project collaboration status accordingly.</p>
         <p>Thanks for being part of the community,<br/>The Code A2Z Team</p>
       `,
-    };
+    });
 
-    transporter.sendMail(mailOptions, async (error, info) => {
-      if (error) {
-        console.error('Error sending email:', error);
-        return sendResponse(
-          res,
-          500,
-          'error',
-          'Failed to send invitation email',
-          null
-        );
-      }
-      console.log('Email sent:', info.response);
-      const collaborationData = new Collaborator({
-        user_id: user_id,
-        project_id: project_id,
-        author_id: projectToCollaborate.author,
-        status: 'pending',
-        token: token,
-      });
-      await collaborationData.save();
-      return sendResponse(
-        res,
-        200,
-        'success',
-        'Invitation sent successfully!',
-        null
-      );
+    console.log("Invitation email sent to:", authorEmail);
+
+    const collaborationData = new Collaborator({
+      user_id: user_id,
+      project_id: project_id,
+      author_id: projectToCollaborate.author,
+      status: "pending",
+      token: token,
     });
+    await collaborationData.save();
+
+    return sendResponse(res, 200, "success", "Invitation sent successfully!", null);
   } catch (error) {
-    return sendResponse(
-      res,
-      500,
-      'error',
-      error.message || 'Internal Server Error',
-      null
-    );
+    console.error("Error in invitation process:", error);
+    return sendResponse(res, 500, "error", "Failed to send invitation", null);
   }
 };