new features

email-service/index.js

@@ -0,0 +1,259 @@
+const express = require('express');
+const nodemailer = require('nodemailer');
+const cors = require('cors');
+
+const app = express();
+app.use(cors());
+app.use(express.json());
+
+// SMTP Configuration from environment variables
+const transporter = nodemailer.createTransport({
+  host: process.env.SMTP_ADDRESS || 'smtp.gmail.com',
+  port: parseInt(process.env.SMTP_PORT || '587'),
+  secure: false, // true for 465, false for other ports
+  auth: {
+    user: process.env.SMTP_USER_NAME,
+    pass: process.env.SMTP_PASSWORD,
+  },
+});
+
+// Verify SMTP connection on startup
+transporter.verify((error) => {
+  if (error) {
+    console.error('SMTP connection error:', error);
+  } else {
+    console.log('SMTP server is ready to send emails');
+  }
+});
+
+// Health check endpoint
+app.get('/health', (req, res) => {
+  res.json({ status: 'ok' });
+});
+
+// Send email endpoint
+app.post('/send', async (req, res) => {
+  const { to, subject, html, text } = req.body;
+
+  if (!to || !subject || (!html && !text)) {
+    return res.status(400).json({ error: 'Missing required fields: to, subject, and html or text' });
+  }
+
+  try {
+    const info = await transporter.sendMail({
+      from: `"Traceability Dashboard" <${process.env.SMTP_USER_NAME}>`,
+      to,
+      subject,
+      text,
+      html,
+    });
+
+    console.log('Email sent:', info.messageId);
+    res.json({ success: true, messageId: info.messageId });
+  } catch (error) {
+    console.error('Failed to send email:', error);
+    res.status(500).json({ error: 'Failed to send email', details: error.message });
+  }
+});
+
+// Predefined email templates
+app.post('/send/welcome', async (req, res) => {
+  const { to, username } = req.body;
+
+  if (!to || !username) {
+    return res.status(400).json({ error: 'Missing required fields: to, username' });
+  }
+
+  try {
+    const info = await transporter.sendMail({
+      from: `"Traceability Dashboard" <${process.env.SMTP_USER_NAME}>`,
+      to,
+      subject: 'Welcome to Traceability Dashboard - Registration Pending',
+      html: `
+        <div style="font-family: Arial, sans-serif; max-width: 600px; margin: 0 auto;">
+          <h1 style="color: #333;">Welcome, ${username}!</h1>
+          <p>Thank you for registering at the Traceability Dashboard.</p>
+          <p>Your registration is pending admin approval. You will receive another email once your account has been approved.</p>
+          <hr style="border: none; border-top: 1px solid #eee; margin: 20px 0;" />
+          <p style="color: #666; font-size: 12px;">This is an automated message from NABD Solutions.</p>
+        </div>
+      `,
+    });
+
+    console.log('Welcome email sent:', info.messageId);
+    res.json({ success: true, messageId: info.messageId });
+  } catch (error) {
+    console.error('Failed to send welcome email:', error);
+    res.status(500).json({ error: 'Failed to send email', details: error.message });
+  }
+});
+
+app.post('/send/admin-notification', async (req, res) => {
+  const { username, email } = req.body;
+
+  if (!username || !email) {
+    return res.status(400).json({ error: 'Missing required fields: username, email' });
+  }
+
+  const adminEmail = process.env.ADMIN_EMAIL || 'support@nabd-co.com';
+
+  try {
+    const info = await transporter.sendMail({
+      from: `"Traceability Dashboard" <${process.env.SMTP_USER_NAME}>`,
+      to: adminEmail,
+      subject: 'New User Registration - Pending Approval',
+      html: `
+        <div style="font-family: Arial, sans-serif; max-width: 600px; margin: 0 auto;">
+          <h1 style="color: #333;">New User Registration</h1>
+          <p>A new user has registered and is awaiting approval:</p>
+          <ul>
+            <li><strong>Username:</strong> ${username}</li>
+            <li><strong>Email:</strong> ${email}</li>
+          </ul>
+          <p>Please log in to the admin dashboard to approve or reject this registration.</p>
+          <hr style="border: none; border-top: 1px solid #eee; margin: 20px 0;" />
+          <p style="color: #666; font-size: 12px;">This is an automated message from NABD Solutions.</p>
+        </div>
+      `,
+    });
+
+    console.log('Admin notification sent:', info.messageId);
+    res.json({ success: true, messageId: info.messageId });
+  } catch (error) {
+    console.error('Failed to send admin notification:', error);
+    res.status(500).json({ error: 'Failed to send email', details: error.message });
+  }
+});
+
+app.post('/send/approval', async (req, res) => {
+  const { to, username } = req.body;
+
+  if (!to || !username) {
+    return res.status(400).json({ error: 'Missing required fields: to, username' });
+  }
+
+  try {
+    const info = await transporter.sendMail({
+      from: `"Traceability Dashboard" <${process.env.SMTP_USER_NAME}>`,
+      to,
+      subject: 'Account Approved - Traceability Dashboard',
+      html: `
+        <div style="font-family: Arial, sans-serif; max-width: 600px; margin: 0 auto;">
+          <h1 style="color: #333;">Account Approved!</h1>
+          <p>Congratulations, ${username}!</p>
+          <p>Your account has been approved. You can now log in to the Traceability Dashboard.</p>
+          <hr style="border: none; border-top: 1px solid #eee; margin: 20px 0;" />
+          <p style="color: #666; font-size: 12px;">This is an automated message from NABD Solutions.</p>
+        </div>
+      `,
+    });
+
+    console.log('Approval email sent:', info.messageId);
+    res.json({ success: true, messageId: info.messageId });
+  } catch (error) {
+    console.error('Failed to send approval email:', error);
+    res.status(500).json({ error: 'Failed to send email', details: error.message });
+  }
+});
+
+app.post('/send/rejection', async (req, res) => {
+  const { to, username, reason } = req.body;
+
+  if (!to || !username) {
+    return res.status(400).json({ error: 'Missing required fields: to, username' });
+  }
+
+  try {
+    const info = await transporter.sendMail({
+      from: `"Traceability Dashboard" <${process.env.SMTP_USER_NAME}>`,
+      to,
+      subject: 'Registration Update - Traceability Dashboard',
+      html: `
+        <div style="font-family: Arial, sans-serif; max-width: 600px; margin: 0 auto;">
+          <h1 style="color: #333;">Registration Update</h1>
+          <p>Hello ${username},</p>
+          <p>Unfortunately, your registration request was not approved.</p>
+          ${reason ? `<p><strong>Reason:</strong> ${reason}</p>` : ''}
+          <p>If you believe this was a mistake, please contact the administrator.</p>
+          <hr style="border: none; border-top: 1px solid #eee; margin: 20px 0;" />
+          <p style="color: #666; font-size: 12px;">This is an automated message from NABD Solutions.</p>
+        </div>
+      `,
+    });
+
+    console.log('Rejection email sent:', info.messageId);
+    res.json({ success: true, messageId: info.messageId });
+  } catch (error) {
+    console.error('Failed to send rejection email:', error);
+    res.status(500).json({ error: 'Failed to send email', details: error.message });
+  }
+});
+
+app.post('/send/member-added', async (req, res) => {
+  const { to, username, addedBy } = req.body;
+
+  if (!to || !username) {
+    return res.status(400).json({ error: 'Missing required fields: to, username' });
+  }
+
+  try {
+    const info = await transporter.sendMail({
+      from: `"Traceability Dashboard" <${process.env.SMTP_USER_NAME}>`,
+      to,
+      subject: 'You have been added to Traceability Dashboard',
+      html: `
+        <div style="font-family: Arial, sans-serif; max-width: 600px; margin: 0 auto;">
+          <h1 style="color: #333;">Welcome to Traceability Dashboard!</h1>
+          <p>Hello ${username},</p>
+          <p>You have been added to the Traceability Dashboard${addedBy ? ` by ${addedBy}` : ''}.</p>
+          <p>You can now log in using your credentials.</p>
+          <hr style="border: none; border-top: 1px solid #eee; margin: 20px 0;" />
+          <p style="color: #666; font-size: 12px;">This is an automated message from NABD Solutions.</p>
+        </div>
+      `,
+    });
+
+    console.log('Member added email sent:', info.messageId);
+    res.json({ success: true, messageId: info.messageId });
+  } catch (error) {
+    console.error('Failed to send member added email:', error);
+    res.status(500).json({ error: 'Failed to send email', details: error.message });
+  }
+});
+
+app.post('/send/member-removed', async (req, res) => {
+  const { to, username } = req.body;
+
+  if (!to || !username) {
+    return res.status(400).json({ error: 'Missing required fields: to, username' });
+  }
+
+  try {
+    const info = await transporter.sendMail({
+      from: `"Traceability Dashboard" <${process.env.SMTP_USER_NAME}>`,
+      to,
+      subject: 'Account Update - Traceability Dashboard',
+      html: `
+        <div style="font-family: Arial, sans-serif; max-width: 600px; margin: 0 auto;">
+          <h1 style="color: #333;">Account Update</h1>
+          <p>Hello ${username},</p>
+          <p>Your access to the Traceability Dashboard has been removed.</p>
+          <p>If you believe this was a mistake, please contact the administrator.</p>
+          <hr style="border: none; border-top: 1px solid #eee; margin: 20px 0;" />
+          <p style="color: #666; font-size: 12px;">This is an automated message from NABD Solutions.</p>
+        </div>
+      `,
+    });
+
+    console.log('Member removed email sent:', info.messageId);
+    res.json({ success: true, messageId: info.messageId });
+  } catch (error) {
+    console.error('Failed to send member removed email:', error);
+    res.status(500).json({ error: 'Failed to send email', details: error.message });
+  }
+});
+
+const PORT = process.env.PORT || 3001;
+app.listen(PORT, () => {
+  console.log(`Email service running on port ${PORT}`);
+});