refactor: create mail service

Author: Zaiidmo

src/services/mail.service.ts

@@ -0,0 +1,33 @@
+import nodemailer from 'nodemailer';
+
+export class MailService {
+    private transporter = nodemailer.createTransport({
+        host: process.env.SMTP_HOST,
+        port: parseInt(process.env.SMTP_PORT as string, 10),
+        secure: process.env.SMTP_SECURE === 'true',
+        auth: {
+            user: process.env.SMTP_USER,
+            pass: process.env.SMTP_PASS
+        }
+    });
+
+    async sendVerificationEmail(email: string, token: string) {
+        const url = `${process.env.FRONTEND_URL}/confirm-email?token=${token}`;
+        await this.transporter.sendMail({
+            from: process.env.FROM_EMAIL,
+            to: email,
+            subject: 'Verify your email',
+            text: `Click to verify your email: ${url}`
+        });
+    }
+
+    async sendPasswordResetEmail(email: string, token: string) {
+        const url = `${process.env.FRONTEND_URL}/reset-password?token=${token}`;
+        await this.transporter.sendMail({
+            from: process.env.FROM_EMAIL,
+            to: email,
+            subject: 'Reset your password',
+            text: `Reset your password: ${url}`
+        });
+    }
+}