B2B-88: add starter kit structure and elements

packages/otp/src/server/otp-email.service.ts

@@ -0,0 +1,62 @@
+import { z } from 'zod';
+
+import { renderOtpEmail } from '@kit/email-templates';
+import { getMailer } from '@kit/mailers';
+import { getLogger } from '@kit/shared/logger';
+
+const EMAIL_SENDER = z
+  .string({
+    required_error: 'EMAIL_SENDER is required',
+  })
+  .min(1)
+  .parse(process.env.EMAIL_SENDER);
+
+const PRODUCT_NAME = z
+  .string({
+    required_error: 'PRODUCT_NAME is required',
+  })
+  .min(1)
+  .parse(process.env.NEXT_PUBLIC_PRODUCT_NAME);
+
+/**
+ * @name createOtpEmailService
+ * @description Creates a new OtpEmailService
+ * @returns {OtpEmailService}
+ */
+export function createOtpEmailService() {
+  return new OtpEmailService();
+}
+
+/**
+ * @name OtpEmailService
+ * @description Service for sending OTP emails
+ */
+class OtpEmailService {
+  async sendOtpEmail(params: { email: string; otp: string }) {
+    const logger = await getLogger();
+    const { email, otp } = params;
+    const mailer = await getMailer();
+
+    const { html, subject } = await renderOtpEmail({
+      otp,
+      productName: PRODUCT_NAME,
+    });
+
+    try {
+      logger.info({ otp }, 'Sending OTP email...');
+
+      await mailer.sendEmail({
+        to: email,
+        subject,
+        html,
+        from: EMAIL_SENDER,
+      });
+
+      logger.info({ otp }, 'OTP email sent');
+    } catch (error) {
+      logger.error({ otp, error }, 'Error sending OTP email');
+
+      throw error;
+    }
+  }
+}