refactor: made the sms to use queue

src/modules/auth/auth.module.ts

@@ -2,25 +2,21 @@ import { Module } from '@nestjs/common';
 import { JwtModule } from '@nestjs/jwt';
 import { AuthController } from './auth.controller';
 import { AuthService } from './auth.service';
-import { UtilsModule } from '../utils/utils.module';
-import { TypeOrmModule } from '@nestjs/typeorm';
-import { OTP } from './entities/otp.entity';
-import { OtpRepository } from './repositories/otp.repository';
 import { UsersModule } from 'src/modules/users/users.module';
 import { PassportModule } from '@nestjs/passport';
 import { JwtStrategy } from './strategies/jwt.strategy';
 import { OtpService } from './otp.service';
+import { NotificationModule } from '../notifications/notification.module';
 
 @Module({
   imports: [
-    TypeOrmModule.forFeature([OTP]),
     PassportModule,
     JwtModule.register({}),
-    UtilsModule,
     UsersModule,
+    NotificationModule,
   ],
   controllers: [AuthController],
-  providers: [AuthService, OtpService, OtpRepository, JwtStrategy],
+  providers: [AuthService, OtpService, JwtStrategy],
   exports: [JwtModule, PassportModule],
 })
-export class AuthModule {}
+export class AuthModule {}

src/modules/auth/auth.service.ts

@@ -1,27 +1,23 @@
 import { BadRequestException, Inject, Injectable } from '@nestjs/common';
 import { ConfigService } from '@nestjs/config';
 import type { ISmsConfigs } from 'src/config/sms.config';
-import { SMS_CONFIG } from '../utils/constants';
-import { SmsService } from '../utils/providers/sms.service';
-import { OtpRepository } from './repositories/otp.repository';
-import { OtpStatus } from './enums/otp-status.enum';
+import { SMS_CONFIG } from '../notifications/constants';
 import { VerifyOtpDto } from './DTO/verify-otp.dto';
-import { OTPMessages, UserMessages } from 'src/common/enums/messages.enum';
+import {  UserMessages } from 'src/common/enums/messages.enum';
 import { LoginCredentialDto } from './DTO/login-credential.dto';
 import { UsersService } from 'src/modules/users/users.service';
 import * as bcrypt from 'bcrypt';
 import { JwtService } from '@nestjs/jwt';
 import ms from 'ms';
 import { OtpService } from './otp.service';
-import { RoleType } from '../users/enums/user-role.enum';
 import { SendOtpDto } from './DTO/send-otp.dto';
-import { string } from 'joi';
+import { SmsProducer } from '../notifications/producers/sms.producer';
 
 @Injectable()
 export class AuthService {
   constructor(
     @Inject(SMS_CONFIG) private smsConfig: ISmsConfigs,
-    private readonly smsService: SmsService,
+    private readonly smsProducer: SmsProducer,
     private readonly configService: ConfigService,
     private readonly userService: UsersService,
     private readonly jwtService: JwtService,
@@ -35,7 +31,7 @@ export class AuthService {
     });
 
     try {
-      await this.smsService.sendSms({
+      await this.smsProducer.sendSms({
         Mobile: dto.phoneNumber,
         TemplateId: this.smsConfig.SMS_PATTERN_OTP,
         Parameters: [
@@ -61,7 +57,6 @@ export class AuthService {
       { phoneNumber: dto.phoneNumber, role: dto.role },
       dto.code,
     );
-    if (dto.role) console.log('VERIFIED OTP FOR ROLE: ', dto.role);
   }
 
   async checkLoginCredentials(credential: LoginCredentialDto): Promise<void> {

src/modules/auth/entities/otp.entity.ts

@@ -1,23 +0,0 @@
-import { Column, Entity } from 'typeorm';
-import { BaseEntity } from 'src/common/entities/base.entity';
-import { OtpStatus } from '../enums/otp-status.enum';
-
-@Entity('otps')
-export class OTP extends BaseEntity {
-  @Column({ type: 'varchar', length: 6 })
-  code: string;
-
-  @Column({ type: 'timestamptz' })
-  expirationDate: Date;
-
-  @Column({type: 'enum', enum: OtpStatus, default: OtpStatus.PENDING})
-  status: OtpStatus;
-
-  @Column({ type: 'smallint', default: 0 })
-  numberOfTries: number;
-
-  @Column({
-    length: 11,
-  })
-  phoneNumber: string;
-}

src/modules/auth/repositories/otp.repository.ts

@@ -1,13 +0,0 @@
-import { Repository } from 'typeorm';
-import { OTP } from '../entities/otp.entity';
-import { InjectRepository } from '@nestjs/typeorm';
-
-export class OtpRepository extends Repository<OTP> {
-  constructor(@InjectRepository(OTP) otpRepository: Repository<OTP>) {
-    super(
-      otpRepository.target,
-      otpRepository.manager,
-      otpRepository.queryRunner,
-    );
-  }
-}

src/modules/notifications/constants.ts

@@ -0,0 +1,2 @@
+export const SMS_CONFIG = "SMS_CONFIG";
+export const SMS_QUEUE = 'sms';

src/modules/notifications/notification.module.ts

@@ -0,0 +1,23 @@
+import { Module } from '@nestjs/common';
+import { BullModule } from '@nestjs/bullmq';
+import { SmsService } from './providers/sms.service';
+import { SmsProducer } from './producers/sms.producer';
+import { SmsProcessor } from './processors/sms.processor';
+import { SMS_CONFIG, SMS_QUEUE } from './constants';
+import { smsConfigsProvider } from 'src/config/sms.config';
+import { HttpModule } from '@nestjs/axios';
+
+@Module({
+  imports: [
+    HttpModule,
+    BullModule.registerQueue({
+      name: SMS_QUEUE,
+    }),
+  ],
+  providers: [SmsService, smsConfigsProvider, SmsProducer, SmsProcessor],
+  exports: [SmsProducer, SMS_CONFIG],
+})
+export class NotificationModule {}
+
+export { SMS_QUEUE };
+

src/modules/notifications/processors/sms.processor.ts

@@ -0,0 +1,22 @@
+import { Processor, WorkerHost } from '@nestjs/bullmq';
+import { Job } from 'bullmq';
+import { Logger } from '@nestjs/common';
+import { SMS_QUEUE } from '../constants';
+import { SmsService } from '../providers/sms.service';
+import { SmsRequest } from '../interfaces/ISms';
+
+@Processor(SMS_QUEUE)
+export class SmsProcessor extends WorkerHost {
+  private readonly logger = new Logger(SmsProcessor.name);
+
+  constructor(private readonly smsService: SmsService) {
+    super();
+  }
+
+  async process(job: Job<SmsRequest>): Promise<void> {
+    this.logger.log(
+      `Processing SMS job ${job.id} (attempt ${job.attemptsMade + 1})`,
+    );
+    await this.smsService.sendSms(job.data);
+  }
+}

src/modules/notifications/producers/sms.producer.ts

@@ -0,0 +1,19 @@
+import { Injectable } from '@nestjs/common';
+import { InjectQueue } from '@nestjs/bullmq';
+import { Queue } from 'bullmq';
+import { SMS_QUEUE } from '../constants';
+import { SmsRequest } from '../interfaces/ISms';
+
+@Injectable()
+export class SmsProducer {
+  constructor(@InjectQueue(SMS_QUEUE) private readonly smsQueue: Queue) {}
+
+  async sendSms(body: SmsRequest) {
+    return this.smsQueue.add('send-sms', body, {
+      attempts: 3,
+      backoff: { type: 'exponential', delay: 2000 },
+      removeOnComplete: true,
+      removeOnFail: false,
+    });
+  }
+}

src/modules/notifications/providers/sms.service.ts

@@ -1,5 +1,4 @@
 import {
-  BadGatewayException,
   Inject,
   Injectable,
   InternalServerErrorException,

src/modules/users/DTO/create-user.dto.ts

@@ -1,5 +1,4 @@
 import { ApiProperty } from '@nestjs/swagger';
-import { Exclude } from 'class-transformer';
 import {
   IsEmail,
   IsNotEmpty,

src/modules/utils/constants.ts

@@ -1 +0,0 @@
-export const SMS_CONFIG = "SMS_CONFIG";

src/modules/utils/utils.module.ts

@@ -1,10 +0,0 @@
-import { Module } from '@nestjs/common';
-import { SmsService } from './providers/sms.service';
-import { smsConfigsProvider } from 'src/config/sms.config';
-import { SMS_CONFIG } from './constants';
-
-@Module({
-  providers: [SmsService, smsConfigsProvider],
-  exports: [SMS_CONFIG, SmsService],
-})
-export class UtilsModule {}