feat: add email to notification and otp

apps/edr-freight-api/src/modules/notifications/dtos/email.dto.ts

@@ -0,0 +1,30 @@
+import { ApiProperty, ApiPropertyOptional } from "@nestjs/swagger";
+import { IsEmail, IsNotEmpty, IsOptional, IsString } from "class-validator";
+
+export class SendEmailDto {
+  @ApiProperty({
+    description: "Recipient email address",
+    example: "customer@example.com",
+  })
+  @IsEmail()
+  @IsNotEmpty()
+  to!: string;
+
+  @ApiProperty({
+    description: "Email subject",
+    example: "Your EDR Freight verification code",
+  })
+  @IsString()
+  @IsNotEmpty()
+  subject!: string;
+
+  @ApiPropertyOptional()
+  @IsOptional()
+  @IsString()
+  text?: string;
+
+  @ApiPropertyOptional()
+  @IsOptional()
+  @IsString()
+  html?: string;
+}

apps/edr-freight-api/src/modules/notifications/email-client.service.ts

@@ -0,0 +1,51 @@
+import {
+  Inject,
+  Injectable,
+  Logger,
+  OnApplicationBootstrap,
+} from "@nestjs/common";
+import { ClientProxy } from "@nestjs/microservices";
+import { SendEmailDto } from "./dtos/email.dto";
+
+@Injectable()
+export class EmailClientService implements OnApplicationBootstrap {
+  private readonly logger = new Logger(EmailClientService.name);
+
+  constructor(
+    @Inject("EMAIL_SERVICE")
+    private readonly emailClient: ClientProxy,
+  ) {}
+
+  private readonly enabled = process.env.RABBITMQ_ENABLED !== "false";
+
+  async onApplicationBootstrap() {
+    if (!this.enabled) return;
+    this.emailClient
+      .connect()
+      .then(() => this.logger.log("connected to Email service"))
+      .catch((err) => {
+        console.error("Error happened at Email service", err);
+      });
+  }
+
+  async sendEmail(dto: SendEmailDto): Promise<{ queued: boolean }> {
+    if (!this.enabled) {
+      this.logger.warn(`RABBITMQ disabled — skipped EMAIL to=${dto.to}`);
+      return { queued: false };
+    }
+    this.emailClient.emit("send-email", {
+      to: dto.to,
+      subject: dto.subject,
+      text: dto.text,
+      html: dto.html,
+      appKey: "IFHCRS-LICENSE-MANAGEMENT",
+    });
+    // Fire-and-forget enqueue: confirms hand-off to RabbitMQ, NOT delivery.
+    this.logger.log(
+      `EMAIL queued to RabbitMQ [${process.env.EMAIL_QUEUE ?? "email_queue"}] pattern='send-email'`,
+    );
+    // Recipient + content are PII — debug only.
+    this.logger.debug(`EMAIL payload to=${dto.to} subject="${dto.subject}"`);
+    return { queued: true };
+  }
+}

apps/edr-freight-api/src/modules/notifications/notifications.module.ts

@@ -4,6 +4,7 @@ import { ClientsModule, Transport } from "@nestjs/microservices";
 
 import { NotificationsService } from "./notifications.service";
 import { SmsClientService } from "./sms-client.service";
+import { EmailClientService } from "./email-client.service";
 import { EmailNotificationStrategy } from "./strategies/notification.email.strategy";
 import { SmsNotificationStrategy } from "./strategies/notification.sms.strategy";
 
@@ -20,10 +21,25 @@ import { SmsNotificationStrategy } from "./strategies/notification.sms.strategy"
           queueOptions: { durable: true },
         },
       },
+      {
+        name: "EMAIL_SERVICE",
+        transport: Transport.RMQ,
+        options: {
+          urls: [process.env.RABBITMQ_URL as string],
+          queue: process.env.EMAIL_QUEUE ?? "email_queue",
+          queueOptions: { durable: true },
+        },
+      },
     ]),
   ],
   controllers: [],
-  providers: [EmailNotificationStrategy, SmsNotificationStrategy, NotificationsService, SmsClientService],
-  exports: [NotificationsService, SmsClientService],
+  providers: [
+    EmailNotificationStrategy,
+    SmsNotificationStrategy,
+    NotificationsService,
+    SmsClientService,
+    EmailClientService,
+  ],
+  exports: [NotificationsService, SmsClientService, EmailClientService],
 })
 export class NotificationsModule {}