#4 Added Email Functionality

frontend/.env.example

@@ -2,4 +2,7 @@ NEXT_PUBLIC_RAPIDAPI_KEY1=your_rapidapi_key1
 NEXT_PUBLIC_RAPIDAPI_KEY2=your_rapidapi_key2        # optional
 NEXT_PUBLIC_RAPIDAPI_KEY3=your_rapidapi_key3        # optional
 MISTRAL_API_KEY=your_mistral_api_key
+NEXT_PUBLIC_EMAIL_USERNAME=email_username
+NEXT_PUBLIC_EMAIL_PASSWORD=email_password(app_password)
+
 #The APIs used have very low limits thats why we used 3 different keys(3 accounts)... You can create them accordingly.

frontend/app/api/email/route.jsx

@@ -0,0 +1,159 @@
+"use server";
+import nodemailer from "nodemailer";
+
+export async function POST(req) {
+  const {
+    emailUser,
+    emailPass,
+    recipientEmails,
+    senderName,
+    subject,
+    placeholders,
+    templateId,
+  } = await req.json();
+
+  console.log(
+    emailUser,
+    emailPass,
+    recipientEmails,
+    senderName,
+    subject,
+    placeholders,
+    templateId
+  );
+
+  if (
+    !emailUser ||
+    !emailPass ||
+    !recipientEmails.length ||
+    !subject ||
+    !templateId ||
+    !senderName
+  ) {
+    return new Response(JSON.stringify({ error: "All fields are required." }), {
+      status: 400,
+      headers: { "Content-Type": "application/json" },
+    });
+  }
+
+  const templates = [
+    {
+      id: 1,
+      template: "Hello [name],\n\nThis is a reminder about [event]. Please remember to [action].\n\nBest,\n[Your Name]",
+      placeholders: ["name", "event", "action"]
+    },
+    {
+      id: 2,
+      template: `
+        <div style="font-family: Arial, sans-serif; font-size: 16px; color: #333;">
+          <h2>Welcome to Carpool App, [name]!</h2>
+          <p>Thank you for registering with EtherWheels.</p>
+          <p>We are excited to have you on board and help you find or share rides conveniently.</p>
+          <p>If you have any questions or need support, feel free to reach out.</p>
+          <p>Best regards,</p>
+          <p>EtherWheels Team</p>
+        </div>
+      `,
+      placeholders: ["name"]
+    },
+    {
+      id: 3,
+      template: `
+        <div style="font-family: Arial, sans-serif; font-size: 16px; color: #333;">
+  <h2>Ride Creation Confirmation</h2>
+  <p>Dear [name],</p>
+  <p>Your ride has been successfully created!</p>
+  <p><strong>Ride Details:</strong></p>
+  <ul>
+    <li><strong>Date & Time:</strong> [rideTime]</li>
+    <li><strong>Pickup Location:</strong> [pickupLocation]</li>
+    <li><strong>Destination:</strong> [destination]</li>
+  </ul>
+  <p>Thank you for offering to provide this ride. We will notify you when passengers book this ride.</p>
+  <p>Safe travels!</p>
+  <p>Best regards,</p>
+   <p>EtherWheels Team</p>
+
+</div>
+
+      `,
+      placeholders: ["name", "age", "rideTime", "pickupLocation", "destination"]
+    },
+    {
+      id: 4,
+      template: `
+        <div style="font-family: Arial, sans-serif; font-size: 16px; color: #333;">
+          <h2>Ride Completed Successfully</h2>
+          <p>Dear [name],</p>
+          <p>We are happy to inform you that your ride with [driverName] has been successfully completed.</p>
+          <p><strong>Ride Summary:</strong></p>
+          <ul>
+            <li><strong>Date & Time:</strong> [rideTime]</li>
+            <li><strong>Pickup Location:</strong> [pickupLocation]</li>
+            <li><strong>Destination:</strong> [destination]</li>
+          </ul>
+          <p>Thank you for choosing Carpool App. We hope you had a pleasant experience!</p>
+          <p>We look forward to serving you again in the future. If you have any feedback or questions, feel free to reach out.</p>
+          <p>Best regards,</p>
+          <p>[Your Name] from Carpool App</p>
+        </div>
+      `,
+      placeholders: ["name", "driverName", "rideTime", "pickupLocation", "destination"]
+    }
+  ];
+
+  const selectedTemplate = templates.find((t) => t.id === parseInt(templateId));
+
+  if (!selectedTemplate) {
+    return new Response(JSON.stringify({ error: "Invalid template ID." }), {
+      status: 400,
+      headers: { "Content-Type": "application/json" },
+    });
+  }
+
+  let emailContent = selectedTemplate.template;
+  for (const [placeholder, value] of Object.entries(placeholders)) {
+    emailContent = emailContent.replace(`[${placeholder}]`, value);
+  }
+  emailContent = emailContent.replace("[Your Name]", senderName);
+
+  let transporter = nodemailer.createTransport({
+    host: "smtp.gmail.com",
+    port: 465,
+    secure: true,
+    auth: {
+      user: emailUser,
+      pass: emailPass,
+    },
+  });
+
+  try {
+    let info = await transporter.sendMail({
+      from: `${senderName} <${emailUser}>`,
+      to: recipientEmails.join(","),
+      subject: subject,
+      html: emailContent, 
+    });
+
+    console.log("Message sent: %s", info.messageId);
+    return new Response(
+      JSON.stringify({ message: "Email sent successfully" }),
+      {
+        status: 200,
+        headers: { "Content-Type": "application/json" },
+      }
+    );
+  } catch (error) {
+    console.error(error);
+    return new Response(
+      JSON.stringify({
+        message: "Error sending email",
+        error: error.message,
+      }),
+      {
+        status: 500,
+        headers: { "Content-Type": "application/json" },
+      }
+    );
+  }
+}