refactor broker to use a single exchange

.env.dist

@@ -8,6 +8,7 @@ DATABASE_URL="postgresql://user:user@v3-user-db:5432/user?schema=public"
 
 # RABBIT MQ
 RMQ_URI=amqp://v3-broker:5672
+RMQ_EXCHANGE=mobicoop
 
 # POSTGRES
 POSTGRES_IMAGE=postgres:15.0

src/modules/users/adapters/secondaries/messager.ts

@@ -1,11 +1,15 @@
 import { AmqpConnection } from '@golevelup/nestjs-rabbitmq';
 import { Injectable } from '@nestjs/common';
+import { ConfigService } from '@nestjs/config';
 import { IMessageBroker } from '../../domain/interfaces/message-broker';
 
 @Injectable()
-export class LoggingMessager extends IMessageBroker {
+export class Messager extends IMessageBroker {
-  constructor(private readonly _amqpConnection: AmqpConnection) {
+  constructor(
-    super('logging');
+    private readonly _amqpConnection: AmqpConnection,
+    configService: ConfigService,
+  ) {
+    super(configService.get<string>('RMQ_EXCHANGE'));
   }
 
   publish(routingKey: string, message: string): void {

src/modules/users/adapters/secondaries/user.messager.ts

@@ -1,14 +0,0 @@
-import { AmqpConnection } from '@golevelup/nestjs-rabbitmq';
-import { Injectable } from '@nestjs/common';
-import { IMessageBroker } from '../../domain/interfaces/message-broker';
-
-@Injectable()
-export class UserMessager extends IMessageBroker {
-  constructor(private readonly _amqpConnection: AmqpConnection) {
-    super('user');
-  }
-
-  publish(routingKey: string, message: string): void {
-    this._amqpConnection.publish(this.exchange, routingKey, message);
-  }
-}

src/modules/users/domain/usecases/create-user.usecase.ts

@@ -1,8 +1,7 @@
 import { Mapper } from '@automapper/core';
 import { InjectMapper } from '@automapper/nestjs';
 import { CommandHandler } from '@nestjs/cqrs';
-import { LoggingMessager } from '../../adapters/secondaries/logging.messager';
+import { Messager } from '../../adapters/secondaries/messager';
-import { UserMessager } from '../../adapters/secondaries/user.messager';
 import { UsersRepository } from '../../adapters/secondaries/users.repository';
 import { CreateUserCommand } from '../../commands/create-user.command';
 import { CreateUserRequest } from '../dtos/create-user.request';
@@ -12,8 +11,7 @@ import { User } from '../entities/user';
 export class CreateUserUseCase {
   constructor(
     private readonly _repository: UsersRepository,
-    private readonly _userMessager: UserMessager,
+    private readonly _messager: Messager,
-    private readonly _loggingMessager: LoggingMessager,
     @InjectMapper() private readonly _mapper: Mapper,
   ) {}
 
@@ -26,15 +24,15 @@ export class CreateUserUseCase {
 
     try {
       const user = await this._repository.create(entity);
-      this._userMessager.publish('create', JSON.stringify(user));
+      this._messager.publish('user.create', JSON.stringify(user));
-      this._loggingMessager.publish('user.create.info', JSON.stringify(user));
+      this._messager.publish('logging.user.create.info', JSON.stringify(user));
       return user;
     } catch (error) {
-      let key = 'user.create.crit';
+      let key = 'logging.user.create.crit';
       if (error.message.includes('Already exists')) {
-        key = 'user.create.warning';
+        key = 'logging.user.create.warning';
       }
-      this._loggingMessager.publish(
+      this._messager.publish(
         key,
         JSON.stringify({
           command,

src/modules/users/domain/usecases/delete-user.usecase.ts

@@ -1,6 +1,5 @@
 import { CommandHandler } from '@nestjs/cqrs';
-import { LoggingMessager } from '../../adapters/secondaries/logging.messager';
+import { Messager } from '../../adapters/secondaries/messager';
-import { UserMessager } from '../../adapters/secondaries/user.messager';
 import { UsersRepository } from '../../adapters/secondaries/users.repository';
 import { DeleteUserCommand } from '../../commands/delete-user.command';
 import { User } from '../entities/user';
@@ -9,22 +8,24 @@ import { User } from '../entities/user';
 export class DeleteUserUseCase {
   constructor(
     private readonly _repository: UsersRepository,
-    private readonly _userMessager: UserMessager,
+    private readonly _messager: Messager,
-    private readonly _loggingMessager: LoggingMessager,
   ) {}
 
   async execute(command: DeleteUserCommand): Promise<User> {
     try {
       const user = await this._repository.delete(command.uuid);
-      this._userMessager.publish('delete', JSON.stringify({ uuid: user.uuid }));
+      this._messager.publish(
-      this._loggingMessager.publish(
+        'user.delete',
-        'user.delete.info',
+        JSON.stringify({ uuid: user.uuid }),
+      );
+      this._messager.publish(
+        'logging.user.delete.info',
         JSON.stringify({ uuid: user.uuid }),
       );
       return user;
     } catch (error) {
-      this._loggingMessager.publish(
+      this._messager.publish(
-        'user.delete.crit',
+        'logging.user.delete.crit',
         JSON.stringify({
           command,
           error,

src/modules/users/domain/usecases/find-user-by-uuid.usecase.ts

@@ -1,6 +1,6 @@
 import { NotFoundException } from '@nestjs/common';
 import { QueryHandler } from '@nestjs/cqrs';
-import { LoggingMessager } from '../../adapters/secondaries/logging.messager';
+import { Messager } from '../../adapters/secondaries/messager';
 import { UsersRepository } from '../../adapters/secondaries/users.repository';
 import { FindUserByUuidQuery } from '../../queries/find-user-by-uuid.query';
 import { User } from '../entities/user';
@@ -9,7 +9,7 @@ import { User } from '../entities/user';
 export class FindUserByUuidUseCase {
   constructor(
     private readonly _repository: UsersRepository,
-    private readonly _loggingMessager: LoggingMessager,
+    private readonly _messager: Messager,
   ) {}
 
   async execute(findUserByUuid: FindUserByUuidQuery): Promise<User> {
@@ -18,8 +18,8 @@ export class FindUserByUuidUseCase {
       if (!user) throw new NotFoundException();
       return user;
     } catch (error) {
-      this._loggingMessager.publish(
+      this._messager.publish(
-        'user.read.warning',
+        'logging.user.read.warning',
         JSON.stringify({
           query: findUserByUuid,
           error,

src/modules/users/domain/usecases/update-user.usecase.ts

@@ -1,8 +1,7 @@
 import { Mapper } from '@automapper/core';
 import { InjectMapper } from '@automapper/nestjs';
 import { CommandHandler } from '@nestjs/cqrs';
-import { LoggingMessager } from '../../adapters/secondaries/logging.messager';
+import { Messager } from '../../adapters/secondaries/messager';
-import { UserMessager } from '../../adapters/secondaries/user.messager';
 import { UsersRepository } from '../../adapters/secondaries/users.repository';
 import { UpdateUserCommand } from '../../commands/update-user.command';
 import { UpdateUserRequest } from '../dtos/update-user.request';
@@ -12,8 +11,7 @@ import { User } from '../entities/user';
 export class UpdateUserUseCase {
   constructor(
     private readonly _repository: UsersRepository,
-    private readonly _userMessager: UserMessager,
+    private readonly _messager: Messager,
-    private readonly _loggingMessager: LoggingMessager,
     @InjectMapper() private readonly _mapper: Mapper,
   ) {}
 
@@ -29,18 +27,18 @@ export class UpdateUserUseCase {
         command.updateUserRequest.uuid,
         entity,
       );
-      this._userMessager.publish(
+      this._messager.publish(
-        'update',
+        'user.update',
         JSON.stringify(command.updateUserRequest),
       );
-      this._loggingMessager.publish(
+      this._messager.publish(
-        'user.update.info',
+        'logging.user.update.info',
         JSON.stringify(command.updateUserRequest),
       );
       return user;
     } catch (error) {
-      this._loggingMessager.publish(
+      this._messager.publish(
-        'user.update.crit',
+        'logging.user.update.crit',
         JSON.stringify({
           command,
           error,

src/modules/users/tests/unit/create-user.usecase.spec.ts

@@ -1,8 +1,7 @@
 import { classes } from '@automapper/classes';
 import { AutomapperModule } from '@automapper/nestjs';
 import { Test, TestingModule } from '@nestjs/testing';
-import { LoggingMessager } from '../../adapters/secondaries/logging.messager';
+import { Messager } from '../../adapters/secondaries/messager';
-import { UserMessager } from '../../adapters/secondaries/user.messager';
 import { UsersRepository } from '../../adapters/secondaries/users.repository';
 import { CreateUserCommand } from '../../commands/create-user.command';
 import { CreateUserRequest } from '../../domain/dtos/create-user.request';
@@ -50,11 +49,7 @@ describe('CreateUserUseCase', () => {
         CreateUserUseCase,
         UserProfile,
         {
-          provide: UserMessager,
+          provide: Messager,
-          useValue: mockMessager,
-        },
-        {
-          provide: LoggingMessager,
           useValue: mockMessager,
         },
       ],

src/modules/users/tests/unit/delete-user.usecase.spec.ts

@@ -1,6 +1,5 @@
 import { Test, TestingModule } from '@nestjs/testing';
-import { LoggingMessager } from '../../adapters/secondaries/logging.messager';
+import { Messager } from '../../adapters/secondaries/messager';
-import { UserMessager } from '../../adapters/secondaries/user.messager';
 import { UsersRepository } from '../../adapters/secondaries/users.repository';
 import { DeleteUserCommand } from '../../commands/delete-user.command';
 import { DeleteUserUseCase } from '../../domain/usecases/delete-user.usecase';
@@ -63,11 +62,7 @@ describe('DeleteUserUseCase', () => {
         },
         DeleteUserUseCase,
         {
-          provide: UserMessager,
+          provide: Messager,
-          useValue: mockMessager,
-        },
-        {
-          provide: LoggingMessager,
           useValue: mockMessager,
         },
       ],

src/modules/users/tests/unit/find-user-by-uuid.usecase.spec.ts

@@ -1,6 +1,6 @@
 import { NotFoundException } from '@nestjs/common';
 import { Test, TestingModule } from '@nestjs/testing';
-import { LoggingMessager } from '../../adapters/secondaries/logging.messager';
+import { Messager } from '../../adapters/secondaries/messager';
 import { UsersRepository } from '../../adapters/secondaries/users.repository';
 import { FindUserByUuidRequest } from '../../domain/dtos/find-user-by-uuid.request';
 import { FindUserByUuidUseCase } from '../../domain/usecases/find-user-by-uuid.usecase';
@@ -42,7 +42,7 @@ describe('FindUserByUuidUseCase', () => {
           useValue: mockUserRepository,
         },
         {
-          provide: LoggingMessager,
+          provide: Messager,
           useValue: mockMessager,
         },
         FindUserByUuidUseCase,

src/modules/users/tests/unit/messager.spec.ts

@@ -1,36 +1,47 @@
 import { AmqpConnection } from '@golevelup/nestjs-rabbitmq';
+import { ConfigService } from '@nestjs/config';
 import { Test, TestingModule } from '@nestjs/testing';
-import { LoggingMessager } from '../../adapters/secondaries/logging.messager';
+import { Messager } from '../../adapters/secondaries/messager';
 
 const mockAmqpConnection = {
   publish: jest.fn().mockImplementation(),
 };
 
-describe('LoggingMessager', () => {
+const mockConfigService = {
-  let loggingMessager: LoggingMessager;
+  get: jest.fn().mockResolvedValue({
+    RMQ_EXCHANGE: 'mobicoop',
+  }),
+};
+
+describe('Messager', () => {
+  let messager: Messager;
 
   beforeAll(async () => {
     const module: TestingModule = await Test.createTestingModule({
       imports: [],
       providers: [
-        LoggingMessager,
+        Messager,
         {
           provide: AmqpConnection,
           useValue: mockAmqpConnection,
         },
+        {
+          provide: ConfigService,
+          useValue: mockConfigService,
+        },
       ],
     }).compile();
 
-    loggingMessager = module.get<LoggingMessager>(LoggingMessager);
+    messager = module.get<Messager>(Messager);
   });
 
   it('should be defined', () => {
-    expect(LoggingMessager).toBeDefined();
+    expect(messager).toBeDefined();
   });
 
   it('should publish a message', async () => {
     jest.spyOn(mockAmqpConnection, 'publish');
-    await loggingMessager.publish('user.create.info', 'my-test');
+    messager.publish('user.create.info', 'my-test');
     expect(mockAmqpConnection.publish).toHaveBeenCalledTimes(1);
   });
 });

src/modules/users/tests/unit/update-user.usecase.spec.ts

@@ -1,8 +1,7 @@
 import { classes } from '@automapper/classes';
 import { AutomapperModule } from '@automapper/nestjs';
 import { Test, TestingModule } from '@nestjs/testing';
-import { LoggingMessager } from '../../adapters/secondaries/logging.messager';
+import { Messager } from '../../adapters/secondaries/messager';
-import { UserMessager } from '../../adapters/secondaries/user.messager';
 import { UsersRepository } from '../../adapters/secondaries/users.repository';
 import { UpdateUserCommand } from '../../commands/update-user.command';
 import { UpdateUserRequest } from '../../domain/dtos/update-user.request';
@@ -55,11 +54,7 @@ describe('UpdateUserUseCase', () => {
         UpdateUserUseCase,
         UserProfile,
         {
-          provide: UserMessager,
+          provide: Messager,
-          useValue: mockMessager,
-        },
-        {
-          provide: LoggingMessager,
           useValue: mockMessager,
         },
       ],

src/modules/users/tests/unit/user.messager.usecase.spec.ts

@@ -1,36 +0,0 @@
-import { AmqpConnection } from '@golevelup/nestjs-rabbitmq';
-import { Test, TestingModule } from '@nestjs/testing';
-import { UserMessager } from '../../adapters/secondaries/user.messager';
-
-const mockAmqpConnection = {
-  publish: jest.fn().mockImplementation(),
-};
-
-describe('UserMessager', () => {
-  let userMessager: UserMessager;
-
-  beforeAll(async () => {
-    const module: TestingModule = await Test.createTestingModule({
-      imports: [],
-      providers: [
-        UserMessager,
-        {
-          provide: AmqpConnection,
-          useValue: mockAmqpConnection,
-        },
-      ],
-    }).compile();
-
-    userMessager = module.get<UserMessager>(UserMessager);
-  });
-
-  it('should be defined', () => {
-    expect(userMessager).toBeDefined();
-  });
-
-  it('should publish a message', async () => {
-    jest.spyOn(mockAmqpConnection, 'publish');
-    await userMessager.publish('user.create.info', 'my-test');
-    expect(mockAmqpConnection.publish).toHaveBeenCalledTimes(1);
-  });
-});

src/modules/users/users.module.ts

@@ -6,8 +6,7 @@ import { CqrsModule } from '@nestjs/cqrs';
 import { redisStore } from 'cache-manager-ioredis-yet';
 import { DatabaseModule } from '../database/database.module';
 import { UsersController } from './adapters/primaries/users.controller';
-import { LoggingMessager } from './adapters/secondaries/logging.messager';
+import { Messager } from './adapters/secondaries/messager';
-import { UserMessager } from './adapters/secondaries/user.messager';
 import { UsersRepository } from './adapters/secondaries/users.repository';
 import { CreateUserUseCase } from './domain/usecases/create-user.usecase';
 import { DeleteUserUseCase } from './domain/usecases/delete-user.usecase';
@@ -25,11 +24,7 @@ import { UserProfile } from './mappers/user.profile';
       useFactory: async (configService: ConfigService) => ({
         exchanges: [
           {
-            name: 'user',
+            name: configService.get<string>('RMQ_EXCHANGE'),
-            type: 'topic',
-          },
-          {
-            name: 'logging',
             type: 'topic',
           },
         ],
@@ -54,8 +49,7 @@ import { UserProfile } from './mappers/user.profile';
   providers: [
     UserProfile,
     UsersRepository,
-    UserMessager,
+    Messager,
-    LoggingMessager,
     FindAllUsersUseCase,
     FindUserByUuidUseCase,
     CreateUserUseCase,