new authorization

package.json

@@ -91,12 +91,12 @@
       "ts"
     ],
     "modulePathIgnorePatterns": [
-      ".controller.ts",
       ".module.ts",
-      ".request.ts",
-      ".presenter.ts",
-      ".profile.ts",
-      ".exception.ts",
+      ".dto.ts",
+      ".di-tokens.ts",
+      ".response.ts",
+      ".port.ts",
+      "prisma.service.ts",
       "main.ts"
     ],
     "rootDir": "src",
@@ -108,15 +108,19 @@
       "**/*.(t|j)s"
     ],
     "coveragePathIgnorePatterns": [
-      ".controller.ts",
       ".module.ts",
-      ".request.ts",
-      ".presenter.ts",
-      ".profile.ts",
-      ".exception.ts",
+      ".dto.ts",
+      ".di-tokens.ts",
+      ".response.ts",
+      ".port.ts",
+      "prisma.service.ts",
       "main.ts"
     ],
     "coverageDirectory": "../coverage",
+    "moduleNameMapper": {
+      "^@modules(.*)": "<rootDir>/modules/$1",
+      "^@src(.*)": "<rootDir>$1"
+    },
     "testEnvironment": "node"
   }
 }

src/app.module.ts

@@ -4,7 +4,7 @@ import { Module } from '@nestjs/common';
 import { ConfigModule, ConfigService } from '@nestjs/config';
 // import { AuthorizationModule } from './modules/authorization/authorization.module';
 // import { HealthModule } from './modules/health/health.module';
-import { AuthenticationModule } from '@modules/newauthentication/authentication.module';
+import { AuthenticationModule } from '@modules/authentication/authentication.module';
 import { EventEmitterModule } from '@nestjs/event-emitter';
 import {
   MessageBrokerModule,

src/main.ts

@@ -15,7 +15,7 @@ async function bootstrap() {
       protoPath: [
         join(
           __dirname,
-          'modules/newauthentication/interface/grpc-controllers/authentication.proto',
+          'modules/authentication/interface/grpc-controllers/authentication.proto',
         ),
         join(
           __dirname,

src/modules/authentication/authentication.di-tokens.ts

@@ -1 +1,2 @@
 export const AUTHENTICATION_REPOSITORY = Symbol('AUTHENTICATION_REPOSITORY');
+export const USERNAME_REPOSITORY = Symbol('USERNAME_REPOSITORY');

src/modules/authentication/authentication.mapper.ts

@@ -52,6 +52,7 @@ export class AuthenticationMapper
         userId: record.uuid,
         password: record.password,
         usernames: record.usernames.map((username: UsernameModel) => ({
+          userId: record.uuid,
           name: username.username,
           type: Type[username.type],
         })),

src/modules/authentication/authentication.module.ts

@@ -1,66 +1,72 @@
-import { Module } from '@nestjs/common';
+import { Module, Provider } from '@nestjs/common';
+import { CreateAuthenticationGrpcController } from './interface/grpc-controllers/create-authentication.grpc.controller';
+import { CreateAuthenticationService } from './core/application/commands/create-authentication/create-authentication.service';
+import { AuthenticationMapper } from './authentication.mapper';
+import {
+  AUTHENTICATION_REPOSITORY,
+  USERNAME_REPOSITORY,
+} from './authentication.di-tokens';
+import { AuthenticationRepository } from './infrastructure/authentication.repository';
+import { PrismaService } from './infrastructure/prisma.service';
 import { CqrsModule } from '@nestjs/cqrs';
-import { DatabaseModule } from '../database/database.module';
-import { AuthenticationController } from './adapters/primaries/authentication.controller';
-import { CreateAuthenticationUseCase } from './domain/usecases/create-authentication.usecase';
-import { ValidateAuthenticationUseCase } from './domain/usecases/validate-authentication.usecase';
-import { AuthenticationProfile } from './mappers/authentication.profile';
-import { AuthenticationRepository } from './adapters/secondaries/authentication.repository';
-import { UpdateUsernameUseCase } from './domain/usecases/update-username.usecase';
-import { UsernameProfile } from './mappers/username.profile';
-import { AddUsernameUseCase } from './domain/usecases/add-username.usecase';
-import { UpdatePasswordUseCase } from './domain/usecases/update-password.usecase';
-import { DeleteUsernameUseCase } from './domain/usecases/delete-username.usecase';
-import { DeleteAuthenticationUseCase } from './domain/usecases/delete-authentication.usecase';
-import { RabbitMQModule } from '@golevelup/nestjs-rabbitmq';
-import { ConfigModule, ConfigService } from '@nestjs/config';
-import { AuthenticationMessagerController } from './adapters/primaries/authentication-messager.controller';
-import { Messager } from './adapters/secondaries/messager';
+import { DeleteAuthenticationGrpcController } from './interface/grpc-controllers/delete-authentication.grpc.controller';
+import { DeleteAuthenticationService } from './core/application/commands/delete-authentication/delete-authentication.service';
+import { MESSAGE_PUBLISHER } from '@src/app.di-tokens';
+import { MessageBrokerPublisher } from '@mobicoop/message-broker-module';
+import { UsernameRepository } from './infrastructure/username.repository';
+import { UsernameMapper } from './username.mapper';
+import { AddUsernameGrpcController } from './interface/grpc-controllers/add-username.grpc.controller';
+import { AddUsernameService } from './core/application/commands/add-usernames/add-username.service';
+
+const grpcControllers = [
+  CreateAuthenticationGrpcController,
+  DeleteAuthenticationGrpcController,
+  AddUsernameGrpcController,
+];
+
+const commandHandlers: Provider[] = [
+  CreateAuthenticationService,
+  DeleteAuthenticationService,
+  AddUsernameService,
+];
+
+const mappers: Provider[] = [AuthenticationMapper, UsernameMapper];
+
+const repositories: Provider[] = [
+  {
+    provide: AUTHENTICATION_REPOSITORY,
+    useClass: AuthenticationRepository,
+  },
+  {
+    provide: USERNAME_REPOSITORY,
+    useClass: UsernameRepository,
+  },
+];
+
+const messageBrokers: Provider[] = [
+  {
+    provide: MESSAGE_PUBLISHER,
+    useClass: MessageBrokerPublisher,
+  },
+];
+
+const orms: Provider[] = [PrismaService];
 
 @Module({
-  imports: [
-    DatabaseModule,
-    CqrsModule,
-    RabbitMQModule.forRootAsync(RabbitMQModule, {
-      imports: [ConfigModule],
-      useFactory: async (configService: ConfigService) => ({
-        exchanges: [
-          {
-            name: configService.get<string>('RMQ_EXCHANGE'),
-            type: 'topic',
-          },
-        ],
-        handlers: {
-          userUpdate: {
-            exchange: configService.get<string>('RMQ_EXCHANGE'),
-            routingKey: 'user.update',
-          },
-          userDelete: {
-            exchange: configService.get<string>('RMQ_EXCHANGE'),
-            routingKey: 'user.delete',
-          },
-        },
-        uri: configService.get<string>('RMQ_URI'),
-        connectionInitOptions: { wait: false },
-        enableControllerDiscovery: true,
-      }),
-      inject: [ConfigService],
-    }),
-  ],
-  controllers: [AuthenticationController, AuthenticationMessagerController],
+  imports: [CqrsModule],
+  controllers: [...grpcControllers],
   providers: [
-    AuthenticationProfile,
-    UsernameProfile,
-    AuthenticationRepository,
-    Messager,
-    ValidateAuthenticationUseCase,
-    CreateAuthenticationUseCase,
-    AddUsernameUseCase,
-    UpdateUsernameUseCase,
-    UpdatePasswordUseCase,
-    DeleteUsernameUseCase,
-    DeleteAuthenticationUseCase,
+    ...commandHandlers,
+    ...mappers,
+    ...repositories,
+    ...messageBrokers,
+    ...orms,
+  ],
+  exports: [
+    PrismaService,
+    AuthenticationMapper,
+    AUTHENTICATION_REPOSITORY,
+    USERNAME_REPOSITORY,
   ],
-  exports: [],
 })
 export class AuthenticationModule {}

src/modules/authentication/core/application/commands/add-usernames/add-username.command.ts

@@ -0,0 +1,13 @@
+import { Command, CommandProps } from '@mobicoop/ddd-library';
+import { Username } from '../../types/username';
+
+export class AddUsernameCommand extends Command {
+  readonly userId: string;
+  readonly username: Username;
+
+  constructor(props: CommandProps<AddUsernameCommand>) {
+    super(props);
+    this.userId = props.userId;
+    this.username = props.username;
+  }
+}

src/modules/authentication/core/application/commands/add-usernames/add-username.service.ts

@@ -0,0 +1,52 @@
+import { CommandHandler, ICommandHandler } from '@nestjs/cqrs';
+import { Inject } from '@nestjs/common';
+import {
+  AggregateID,
+  ConflictException,
+  UniqueConstraintException,
+} from '@mobicoop/ddd-library';
+import {
+  AUTHENTICATION_REPOSITORY,
+  USERNAME_REPOSITORY,
+} from '@modules/authentication/authentication.di-tokens';
+import { AuthenticationRepositoryPort } from '../../ports/authentication.repository.port';
+import { UsernameAlreadyExistsException } from '@modules/authentication/core/domain/authentication.errors';
+import { AddUsernameCommand } from './add-username.command';
+import { UsernameRepositoryPort } from '../../ports/username.repository.port';
+import { UsernameEntity } from '@modules/authentication/core/domain/username.entity';
+
+@CommandHandler(AddUsernameCommand)
+export class AddUsernameService implements ICommandHandler {
+  constructor(
+    @Inject(AUTHENTICATION_REPOSITORY)
+    private readonly authenticationRepository: AuthenticationRepositoryPort,
+    @Inject(USERNAME_REPOSITORY)
+    private readonly usernameRepository: UsernameRepositoryPort,
+  ) {}
+
+  async execute(command: AddUsernameCommand): Promise<AggregateID> {
+    await this.authenticationRepository.findOneById(command.userId, {
+      usernames: true,
+    });
+    try {
+      const newUsername = await UsernameEntity.create({
+        name: command.username.name,
+        userId: command.userId,
+        type: command.username.type,
+      });
+      await this.usernameRepository.insert(newUsername);
+      return newUsername.id;
+    } catch (error: any) {
+      if (error instanceof ConflictException) {
+        throw new UsernameAlreadyExistsException(error);
+      }
+      if (
+        error instanceof UniqueConstraintException &&
+        error.message.includes('username')
+      ) {
+        throw new UsernameAlreadyExistsException(error);
+      }
+      throw error;
+    }
+  }
+}

src/modules/authentication/core/application/commands/create-authentication/create-authentication.command.ts

@@ -1,5 +1,5 @@
 import { Command, CommandProps } from '@mobicoop/ddd-library';
-import { Username } from '../types/username';
+import { Username } from '../../types/username';
 
 export class CreateAuthenticationCommand extends Command {
   readonly userId: string;

src/modules/authentication/core/application/commands/create-authentication/create-authentication.service.ts

@@ -6,19 +6,19 @@ import {
   UniqueConstraintException,
 } from '@mobicoop/ddd-library';
 import { CreateAuthenticationCommand } from './create-authentication.command';
-import { AUTHENTICATION_REPOSITORY } from '@modules/newauthentication/authentication.di-tokens';
-import { AuthenticationRepositoryPort } from '../ports/authentication.repository.port';
-import { AuthenticationEntity } from '@modules/newauthentication/core/domain/authentication.entity';
+import { AUTHENTICATION_REPOSITORY } from '@modules/authentication/authentication.di-tokens';
+import { AuthenticationRepositoryPort } from '../../ports/authentication.repository.port';
+import { AuthenticationEntity } from '@modules/authentication/core/domain/authentication.entity';
 import {
   AuthenticationAlreadyExistsException,
   UsernameAlreadyExistsException,
-} from '@modules/newauthentication/core/domain/authentication.errors';
+} from '@modules/authentication/core/domain/authentication.errors';
 
 @CommandHandler(CreateAuthenticationCommand)
 export class CreateAuthenticationService implements ICommandHandler {
   constructor(
     @Inject(AUTHENTICATION_REPOSITORY)
-    private readonly repository: AuthenticationRepositoryPort,
+    private readonly authenticationRepository: AuthenticationRepositoryPort,
   ) {}
 
   async execute(command: CreateAuthenticationCommand): Promise<AggregateID> {
@@ -29,7 +29,7 @@ export class CreateAuthenticationService implements ICommandHandler {
         usernames: command.usernames,
       });
     try {
-      await this.repository.insert(authentication);
+      await this.authenticationRepository.insert(authentication);
       return authentication.getProps().userId;
     } catch (error: any) {
       if (error instanceof ConflictException) {

src/modules/authentication/core/application/commands/delete-authentication/delete-authentication.service.ts

@@ -1,9 +1,9 @@
 import { Inject } from '@nestjs/common';
 import { CommandHandler, ICommandHandler } from '@nestjs/cqrs';
 import { DeleteAuthenticationCommand } from './delete-authentication.command';
-import { AUTHENTICATION_REPOSITORY } from '@modules/newauthentication/authentication.di-tokens';
-import { AuthenticationRepositoryPort } from '../ports/authentication.repository.port';
-import { AuthenticationEntity } from '@modules/newauthentication/core/domain/authentication.entity';
+import { AUTHENTICATION_REPOSITORY } from '@modules/authentication/authentication.di-tokens';
+import { AuthenticationRepositoryPort } from '../../ports/authentication.repository.port';
+import { AuthenticationEntity } from '@modules/authentication/core/domain/authentication.entity';
 
 @CommandHandler(DeleteAuthenticationCommand)
 export class DeleteAuthenticationService implements ICommandHandler {
@@ -18,9 +18,9 @@ export class DeleteAuthenticationService implements ICommandHandler {
         usernames: true,
       });
     authentication.delete();
-    const deleted: boolean = await this.authenticationRepository.delete(
+    const isDeleted: boolean = await this.authenticationRepository.delete(
       authentication,
     );
-    return deleted;
+    return isDeleted;
   }
 }

src/modules/authentication/core/application/ports/authentication.repository.port.ts

@@ -1,4 +1,4 @@
 import { RepositoryPort } from '@mobicoop/ddd-library';
-import { AuthenticationEntity } from '@modules/newauthentication/core/domain/authentication.entity';
+import { AuthenticationEntity } from '@modules/authentication/core/domain/authentication.entity';
 
 export type AuthenticationRepositoryPort = RepositoryPort<AuthenticationEntity>;

src/modules/authentication/core/application/ports/username.repository.port.ts

@@ -0,0 +1,4 @@
+import { RepositoryPort } from '@mobicoop/ddd-library';
+import { UsernameEntity } from '../../domain/username.entity';
+
+export type UsernameRepositoryPort = RepositoryPort<UsernameEntity>;

src/modules/authentication/core/application/types/username.ts

@@ -0,0 +1,6 @@
+import { Type } from '@modules/authentication/core/domain/username.types';
+
+export type Username = {
+  name: string;
+  type: Type;
+};

src/modules/authentication/core/domain/authentication.entity.ts

@@ -4,7 +4,7 @@ import {
   AuthenticationProps,
   CreateAuthenticationProps,
 } from './authentication.types';
-import { AuthenticationCreatedDomainEvent } from './events/authentication-created.domain-events';
+import { AuthenticationCreatedDomainEvent } from './events/authentication-created.domain-event';
 import { AuthenticationDeletedDomainEvent } from './events/authentication-deleted.domain-event';
 
 export class AuthenticationEntity extends AggregateRoot<AuthenticationProps> {

src/modules/authentication/core/domain/events/username-added.domain-event.ts

@@ -0,0 +1,7 @@
+import { DomainEvent, DomainEventProps } from '@mobicoop/ddd-library';
+
+export class UsernameAddedDomainEvent extends DomainEvent {
+  constructor(props: DomainEventProps<UsernameAddedDomainEvent>) {
+    super(props);
+  }
+}

src/modules/authentication/core/domain/username.entity.ts

@@ -0,0 +1,27 @@
+import { AggregateID, AggregateRoot } from '@mobicoop/ddd-library';
+import { UsernameProps } from './username.types';
+import { UsernameAddedDomainEvent } from './events/username-added.domain-event';
+
+export class UsernameEntity extends AggregateRoot<UsernameProps> {
+  protected readonly _id: AggregateID;
+
+  static create = async (create: UsernameProps): Promise<UsernameEntity> => {
+    const props: UsernameProps = { ...create };
+    const username = new UsernameEntity({
+      id: props.name,
+      props: {
+        name: props.name,
+        userId: props.userId,
+        type: props.type,
+      },
+    });
+    username.addEvent(
+      new UsernameAddedDomainEvent({ aggregateId: props.name }),
+    );
+    return username;
+  };
+
+  validate(): void {
+    // entity business rules validation to protect it's invariant before saving entity to a database
+  }
+}

src/modules/authentication/core/domain/username.types.ts

@@ -1,6 +1,7 @@
 // All properties that a Username has
 export interface UsernameProps {
   name: string;
+  userId?: string;
   type: Type;
 }
 

src/modules/authentication/infrastructure/authentication.repository.ts

@@ -1,4 +1,4 @@
-import { Inject, Injectable } from '@nestjs/common';
+import { Inject, Injectable, Logger } from '@nestjs/common';
 import { EventEmitter2 } from '@nestjs/event-emitter';
 import {
   LoggerBase,
@@ -6,7 +6,7 @@ import {
   PrismaRepositoryBase,
 } from '@mobicoop/ddd-library';
 import { AuthenticationEntity } from '../core/domain/authentication.entity';
-import { AuthenticationRepositoryPort } from '../core/application/commands/ports/authentication.repository.port';
+import { AuthenticationRepositoryPort } from '../core/application/ports/authentication.repository.port';
 import { PrismaService } from './prisma.service';
 import { AuthenticationMapper } from '../authentication.mapper';
 import { MESSAGE_PUBLISHER } from '@src/app.di-tokens';
@@ -57,12 +57,11 @@ export class AuthenticationRepository
       prisma,
       mapper,
       eventEmitter,
-      new LoggerBase(
-        AuthenticationRepository.name,
-        'logging',
-        'auth',
+      new LoggerBase({
+        logger: new Logger(AuthenticationRepository.name),
+        domain: 'auth',
         messagePublisher,
-      ),
+      }),
     );
   }
 }

src/modules/authentication/infrastructure/username.repository.ts

@@ -0,0 +1,49 @@
+import { Inject, Injectable, Logger } from '@nestjs/common';
+import { EventEmitter2 } from '@nestjs/event-emitter';
+import {
+  LoggerBase,
+  MessagePublisherPort,
+  PrismaRepositoryBase,
+} from '@mobicoop/ddd-library';
+import { PrismaService } from './prisma.service';
+import { MESSAGE_PUBLISHER } from '@src/app.di-tokens';
+import { UsernameEntity } from '../core/domain/username.entity';
+import { UsernameRepositoryPort } from '../core/application/ports/username.repository.port';
+import { UsernameMapper } from '../username.mapper';
+
+export type UsernameModel = {
+  username: string;
+  authUuid: string;
+  type: string;
+  createdAt: Date;
+  updatedAt: Date;
+};
+
+/**
+ *  Repository is used for retrieving/saving domain entities
+ * */
+@Injectable()
+export class UsernameRepository
+  extends PrismaRepositoryBase<UsernameEntity, UsernameModel, UsernameModel>
+  implements UsernameRepositoryPort
+{
+  constructor(
+    prisma: PrismaService,
+    mapper: UsernameMapper,
+    eventEmitter: EventEmitter2,
+    @Inject(MESSAGE_PUBLISHER)
+    protected readonly messagePublisher: MessagePublisherPort,
+  ) {
+    super(
+      prisma.username,
+      prisma,
+      mapper,
+      eventEmitter,
+      new LoggerBase({
+        logger: new Logger(UsernameRepository.name),
+        domain: 'auth',
+        messagePublisher,
+      }),
+    );
+  }
+}

src/modules/authentication/interface/dtos/username.response.dto.ts

@@ -0,0 +1,3 @@
+import { ResponseBase } from '@mobicoop/ddd-library';
+
+export class UsernameResponseDto extends ResponseBase {}

src/modules/authentication/interface/grpc-controllers/add-username.grpc.controller.ts

@@ -0,0 +1,49 @@
+import {
+  AggregateID,
+  IdResponse,
+  RpcExceptionCode,
+  RpcValidationPipe,
+} from '@mobicoop/ddd-library';
+import { Controller, UsePipes } from '@nestjs/common';
+import { CommandBus } from '@nestjs/cqrs';
+import { GrpcMethod, RpcException } from '@nestjs/microservices';
+import { UsernameAlreadyExistsException } from '@modules/authentication/core/domain/authentication.errors';
+import { AddUsernameRequestDto } from './dtos/add-username.request.dto';
+import { AddUsernameCommand } from '@modules/authentication/core/application/commands/add-usernames/add-username.command';
+
+@UsePipes(
+  new RpcValidationPipe({
+    whitelist: true,
+    forbidUnknownValues: false,
+  }),
+)
+@Controller()
+export class AddUsernameGrpcController {
+  constructor(private readonly commandBus: CommandBus) {}
+
+  @GrpcMethod('AuthenticationService', 'AddUsername')
+  async addUsername(data: AddUsernameRequestDto): Promise<IdResponse> {
+    try {
+      const aggregateID: AggregateID = await this.commandBus.execute(
+        new AddUsernameCommand({
+          userId: data.userId,
+          username: {
+            name: data.name,
+            type: data.type,
+          },
+        }),
+      );
+      return new IdResponse(aggregateID);
+    } catch (error: any) {
+      if (error instanceof UsernameAlreadyExistsException)
+        throw new RpcException({
+          code: RpcExceptionCode.ALREADY_EXISTS,
+          message: error.message,
+        });
+      throw new RpcException({
+        code: RpcExceptionCode.UNKNOWN,
+        message: error.message,
+      });
+    }
+  }
+}

src/modules/authentication/interface/grpc-controllers/create-authentication.grpc.controller.ts

@@ -8,8 +8,8 @@ import { Controller, UsePipes } from '@nestjs/common';
 import { CommandBus } from '@nestjs/cqrs';
 import { GrpcMethod, RpcException } from '@nestjs/microservices';
 import { CreateAuthenticationRequestDto } from './dtos/create-authentication.request.dto';
-import { CreateAuthenticationCommand } from '@modules/newauthentication/core/application/commands/create-authentication/create-authentication.command';
-import { AuthenticationAlreadyExistsException } from '@modules/newauthentication/core/domain/authentication.errors';
+import { CreateAuthenticationCommand } from '@modules/authentication/core/application/commands/create-authentication/create-authentication.command';
+import { AuthenticationAlreadyExistsException } from '@modules/authentication/core/domain/authentication.errors';
 
 @UsePipes(
   new RpcValidationPipe({

src/modules/authentication/interface/grpc-controllers/delete-authentication.grpc.controller.ts

@@ -7,7 +7,7 @@ import {
 import { Controller, UsePipes } from '@nestjs/common';
 import { CommandBus } from '@nestjs/cqrs';
 import { GrpcMethod, RpcException } from '@nestjs/microservices';
-import { DeleteAuthenticationCommand } from '@modules/newauthentication/core/application/commands/delete-authentication/delete-authentication.command';
+import { DeleteAuthenticationCommand } from '@modules/authentication/core/application/commands/delete-authentication/delete-authentication.command';
 import { DeleteAuthenticationRequestDto } from './dtos/delete-authentication.request.dto';
 
 @UsePipes(

src/modules/authentication/interface/grpc-controllers/dtos/add-username.request.dto.ts

@@ -0,0 +1,8 @@
+import { IsNotEmpty, IsString } from 'class-validator';
+import { UsernameDto } from './username.dto';
+
+export class AddUsernameRequestDto extends UsernameDto {
+  @IsString()
+  @IsNotEmpty()
+  userId: string;
+}

src/modules/authentication/interface/grpc-controllers/dtos/username.dto.ts

@@ -0,0 +1,16 @@
+import { Type } from '@modules/authentication/core/domain/username.types';
+import { IsEnum, IsNotEmpty, IsString } from 'class-validator';
+import { IsValidUsername } from './validators/decorators/is-valid-username.decorator';
+
+export class UsernameDto {
+  @IsString()
+  @IsNotEmpty()
+  @IsValidUsername({
+    message: 'Invalid username',
+  })
+  name: string;
+
+  @IsEnum(Type)
+  @IsNotEmpty()
+  type: Type;
+}

src/modules/authentication/interface/grpc-controllers/dtos/validators/decorators/is-valid-username.decorator.ts

@@ -0,0 +1,32 @@
+import { Type } from '@modules/authentication/core/domain/username.types';
+import {
+  registerDecorator,
+  ValidationOptions,
+  ValidationArguments,
+  isEmail,
+  isPhoneNumber,
+} from 'class-validator';
+
+export function IsValidUsername(validationOptions?: ValidationOptions) {
+  return function (object: any, propertyName: string) {
+    registerDecorator({
+      name: 'isValidUsername',
+      target: object.constructor,
+      propertyName: propertyName,
+      options: validationOptions,
+      validator: {
+        validate(value: any, args: ValidationArguments) {
+          const usernameType: Type = args.object['type'];
+          switch (usernameType) {
+            case Type.PHONE:
+              return isPhoneNumber(value);
+            case Type.EMAIL:
+              return isEmail(value);
+            default:
+              return false;
+          }
+        },
+      },
+    });
+  };
+}

src/modules/authentication/tests/unit/interface/add-username.grpc.controller.spec.ts

@@ -0,0 +1,89 @@
+import { IdResponse } from '@mobicoop/ddd-library';
+import { RpcExceptionCode } from '@mobicoop/ddd-library';
+import { UsernameAlreadyExistsException } from '@modules/authentication/core/domain/authentication.errors';
+import { Type } from '@modules/authentication/core/domain/username.types';
+import { AddUsernameGrpcController } from '@modules/authentication/interface/grpc-controllers/add-username.grpc.controller';
+import { AddUsernameRequestDto } from '@modules/authentication/interface/grpc-controllers/dtos/add-username.request.dto';
+import { CommandBus } from '@nestjs/cqrs';
+import { RpcException } from '@nestjs/microservices';
+import { Test, TestingModule } from '@nestjs/testing';
+
+const addUsernameRequest: AddUsernameRequestDto = {
+  userId: '78153e03-4861-4f58-a705-88526efee53b',
+  name: 'john.doe@email.com',
+  type: Type.EMAIL,
+};
+
+const mockCommandBus = {
+  execute: jest
+    .fn()
+    .mockImplementationOnce(() => 'john.doe@email.com')
+    .mockImplementationOnce(() => {
+      throw new UsernameAlreadyExistsException();
+    })
+    .mockImplementationOnce(() => {
+      throw new Error();
+    }),
+};
+
+describe('Add Username Grpc Controller', () => {
+  let addUsernameGrpcController: AddUsernameGrpcController;
+
+  beforeAll(async () => {
+    const module: TestingModule = await Test.createTestingModule({
+      providers: [
+        {
+          provide: CommandBus,
+          useValue: mockCommandBus,
+        },
+        AddUsernameGrpcController,
+      ],
+    }).compile();
+
+    addUsernameGrpcController = module.get<AddUsernameGrpcController>(
+      AddUsernameGrpcController,
+    );
+  });
+
+  afterEach(async () => {
+    jest.clearAllMocks();
+  });
+
+  it('should be defined', () => {
+    expect(addUsernameGrpcController).toBeDefined();
+  });
+
+  it('should add a new username', async () => {
+    jest.spyOn(mockCommandBus, 'execute');
+    const result: IdResponse = await addUsernameGrpcController.addUsername(
+      addUsernameRequest,
+    );
+    expect(result).toBeInstanceOf(IdResponse);
+    expect(result.id).toBe('john.doe@email.com');
+    expect(mockCommandBus.execute).toHaveBeenCalledTimes(1);
+  });
+
+  it('should throw a dedicated RpcException if username already exists', async () => {
+    jest.spyOn(mockCommandBus, 'execute');
+    expect.assertions(3);
+    try {
+      await addUsernameGrpcController.addUsername(addUsernameRequest);
+    } catch (e: any) {
+      expect(e).toBeInstanceOf(RpcException);
+      expect(e.error.code).toBe(RpcExceptionCode.ALREADY_EXISTS);
+    }
+    expect(mockCommandBus.execute).toHaveBeenCalledTimes(1);
+  });
+
+  it('should throw a generic RpcException', async () => {
+    jest.spyOn(mockCommandBus, 'execute');
+    expect.assertions(3);
+    try {
+      await addUsernameGrpcController.addUsername(addUsernameRequest);
+    } catch (e: any) {
+      expect(e).toBeInstanceOf(RpcException);
+      expect(e.error.code).toBe(RpcExceptionCode.UNKNOWN);
+    }
+    expect(mockCommandBus.execute).toHaveBeenCalledTimes(1);
+  });
+});

src/modules/authentication/tests/unit/interface/create-authentication.grpc.controller.spec.ts

@@ -0,0 +1,99 @@
+import { IdResponse } from '@mobicoop/ddd-library';
+import { RpcExceptionCode } from '@mobicoop/ddd-library';
+import { AuthenticationAlreadyExistsException } from '@modules/authentication/core/domain/authentication.errors';
+import { Type } from '@modules/authentication/core/domain/username.types';
+import { CreateAuthenticationGrpcController } from '@modules/authentication/interface/grpc-controllers/create-authentication.grpc.controller';
+import { CreateAuthenticationRequestDto } from '@modules/authentication/interface/grpc-controllers/dtos/create-authentication.request.dto';
+import { CommandBus } from '@nestjs/cqrs';
+import { RpcException } from '@nestjs/microservices';
+import { Test, TestingModule } from '@nestjs/testing';
+
+const createAuthenticationRequest: CreateAuthenticationRequestDto = {
+  userId: '78153e03-4861-4f58-a705-88526efee53b',
+  password: 'John123',
+  usernames: [
+    {
+      name: 'john.doe@email.com',
+      type: Type.EMAIL,
+    },
+  ],
+};
+
+const mockCommandBus = {
+  execute: jest
+    .fn()
+    .mockImplementationOnce(() => '78153e03-4861-4f58-a705-88526efee53b')
+    .mockImplementationOnce(() => {
+      throw new AuthenticationAlreadyExistsException();
+    })
+    .mockImplementationOnce(() => {
+      throw new Error();
+    }),
+};
+
+describe('Create Authentication Grpc Controller', () => {
+  let createAuthenticationGrpcController: CreateAuthenticationGrpcController;
+
+  beforeAll(async () => {
+    const module: TestingModule = await Test.createTestingModule({
+      providers: [
+        {
+          provide: CommandBus,
+          useValue: mockCommandBus,
+        },
+        CreateAuthenticationGrpcController,
+      ],
+    }).compile();
+
+    createAuthenticationGrpcController =
+      module.get<CreateAuthenticationGrpcController>(
+        CreateAuthenticationGrpcController,
+      );
+  });
+
+  afterEach(async () => {
+    jest.clearAllMocks();
+  });
+
+  it('should be defined', () => {
+    expect(createAuthenticationGrpcController).toBeDefined();
+  });
+
+  it('should create a new authentication', async () => {
+    jest.spyOn(mockCommandBus, 'execute');
+    const result: IdResponse = await createAuthenticationGrpcController.create(
+      createAuthenticationRequest,
+    );
+    expect(result).toBeInstanceOf(IdResponse);
+    expect(result.id).toBe('78153e03-4861-4f58-a705-88526efee53b');
+    expect(mockCommandBus.execute).toHaveBeenCalledTimes(1);
+  });
+
+  it('should throw a dedicated RpcException if authentication already exists', async () => {
+    jest.spyOn(mockCommandBus, 'execute');
+    expect.assertions(3);
+    try {
+      await createAuthenticationGrpcController.create(
+        createAuthenticationRequest,
+      );
+    } catch (e: any) {
+      expect(e).toBeInstanceOf(RpcException);
+      expect(e.error.code).toBe(RpcExceptionCode.ALREADY_EXISTS);
+    }
+    expect(mockCommandBus.execute).toHaveBeenCalledTimes(1);
+  });
+
+  it('should throw a generic RpcException', async () => {
+    jest.spyOn(mockCommandBus, 'execute');
+    expect.assertions(3);
+    try {
+      await createAuthenticationGrpcController.create(
+        createAuthenticationRequest,
+      );
+    } catch (e: any) {
+      expect(e).toBeInstanceOf(RpcException);
+      expect(e.error.code).toBe(RpcExceptionCode.UNKNOWN);
+    }
+    expect(mockCommandBus.execute).toHaveBeenCalledTimes(1);
+  });
+});

src/modules/authentication/tests/unit/interface/delete-authentication.grpc.controller.spec.ts

@@ -0,0 +1,108 @@
+import {
+  DatabaseErrorException,
+  NotFoundException,
+} from '@mobicoop/ddd-library';
+import { RpcExceptionCode } from '@mobicoop/ddd-library';
+import { DeleteAuthenticationGrpcController } from '@modules/authentication/interface/grpc-controllers/delete-authentication.grpc.controller';
+import { DeleteAuthenticationRequestDto } from '@modules/authentication/interface/grpc-controllers/dtos/delete-authentication.request.dto';
+import { CommandBus } from '@nestjs/cqrs';
+import { RpcException } from '@nestjs/microservices';
+import { Test, TestingModule } from '@nestjs/testing';
+
+const deleteAuthenticationRequest: DeleteAuthenticationRequestDto = {
+  userId: '78153e03-4861-4f58-a705-88526efee53b',
+};
+
+const mockCommandBus = {
+  execute: jest
+    .fn()
+    .mockImplementationOnce(() => ({}))
+    .mockImplementationOnce(() => {
+      throw new NotFoundException();
+    })
+    .mockImplementationOnce(() => {
+      throw new DatabaseErrorException();
+    })
+    .mockImplementationOnce(() => {
+      throw new Error();
+    }),
+};
+
+describe('Delete Authentication Grpc Controller', () => {
+  let deleteAuthenticationGrpcController: DeleteAuthenticationGrpcController;
+
+  beforeAll(async () => {
+    const module: TestingModule = await Test.createTestingModule({
+      providers: [
+        {
+          provide: CommandBus,
+          useValue: mockCommandBus,
+        },
+        DeleteAuthenticationGrpcController,
+      ],
+    }).compile();
+
+    deleteAuthenticationGrpcController =
+      module.get<DeleteAuthenticationGrpcController>(
+        DeleteAuthenticationGrpcController,
+      );
+  });
+
+  afterEach(async () => {
+    jest.clearAllMocks();
+  });
+
+  it('should be defined', () => {
+    expect(deleteAuthenticationGrpcController).toBeDefined();
+  });
+
+  it('should create a new authentication', async () => {
+    jest.spyOn(mockCommandBus, 'execute');
+    await deleteAuthenticationGrpcController.delete(
+      deleteAuthenticationRequest,
+    );
+    expect(mockCommandBus.execute).toHaveBeenCalledTimes(1);
+  });
+
+  it('should throw a dedicated RpcException if authentication does not exist', async () => {
+    jest.spyOn(mockCommandBus, 'execute');
+    expect.assertions(3);
+    try {
+      await deleteAuthenticationGrpcController.delete(
+        deleteAuthenticationRequest,
+      );
+    } catch (e: any) {
+      expect(e).toBeInstanceOf(RpcException);
+      expect(e.error.code).toBe(RpcExceptionCode.NOT_FOUND);
+    }
+    expect(mockCommandBus.execute).toHaveBeenCalledTimes(1);
+  });
+
+  it('should throw a dedicated RpcException if a database error occurs', async () => {
+    jest.spyOn(mockCommandBus, 'execute');
+    expect.assertions(3);
+    try {
+      await deleteAuthenticationGrpcController.delete(
+        deleteAuthenticationRequest,
+      );
+    } catch (e: any) {
+      expect(e).toBeInstanceOf(RpcException);
+      expect(e.error.code).toBe(RpcExceptionCode.INTERNAL);
+    }
+    expect(mockCommandBus.execute).toHaveBeenCalledTimes(1);
+  });
+
+  it('should throw a generic RpcException', async () => {
+    jest.spyOn(mockCommandBus, 'execute');
+    expect.assertions(3);
+    try {
+      await deleteAuthenticationGrpcController.delete(
+        deleteAuthenticationRequest,
+      );
+    } catch (e: any) {
+      expect(e).toBeInstanceOf(RpcException);
+      expect(e.error.code).toBe(RpcExceptionCode.UNKNOWN);
+    }
+    expect(mockCommandBus.execute).toHaveBeenCalledTimes(1);
+  });
+});

src/modules/authentication/tests/unit/interface/is-valid-username.decorator.spec.ts

@@ -0,0 +1,57 @@
+import { Type } from '@modules/authentication/core/domain/username.types';
+import { IsValidUsername } from '@modules/authentication/interface/grpc-controllers/dtos/validators/decorators/is-valid-username.decorator';
+import { Validator } from 'class-validator';
+
+describe('Username decorator', () => {
+  class MyClass {
+    @IsValidUsername({
+      message: 'Invalid username',
+    })
+    name: string;
+
+    type: Type;
+  }
+  it('should return a property decorator has a function', () => {
+    const isValidUsername = IsValidUsername();
+    expect(typeof isValidUsername).toBe('function');
+  });
+  it('should validate a valid phone username', async () => {
+    const myClassInstance = new MyClass();
+    myClassInstance.name = '+33611223344';
+    myClassInstance.type = Type.PHONE;
+    const validator = new Validator();
+    const validation = await validator.validate(myClassInstance);
+    expect(validation.length).toBe(0);
+  });
+  it('should validate a valid email username', async () => {
+    const myClassInstance = new MyClass();
+    myClassInstance.name = 'john.doe@email.com';
+    myClassInstance.type = Type.EMAIL;
+    const validator = new Validator();
+    const validation = await validator.validate(myClassInstance);
+    expect(validation.length).toBe(0);
+  });
+  it('should not validate an invalid phone username', async () => {
+    const myClassInstance = new MyClass();
+    myClassInstance.name = '11223344';
+    myClassInstance.type = Type.PHONE;
+    const validator = new Validator();
+    const validation = await validator.validate(myClassInstance);
+    expect(validation.length).toBe(1);
+  });
+  it('should not validate an invalid email username', async () => {
+    const myClassInstance = new MyClass();
+    myClassInstance.name = 'john.doe.email.com';
+    myClassInstance.type = Type.EMAIL;
+    const validator = new Validator();
+    const validation = await validator.validate(myClassInstance);
+    expect(validation.length).toBe(1);
+  });
+  it('should not validate if type is not set', async () => {
+    const myClassInstance = new MyClass();
+    myClassInstance.name = 'john.doe@email.com';
+    const validator = new Validator();
+    const validation = await validator.validate(myClassInstance);
+    expect(validation.length).toBe(1);
+  });
+});

src/modules/authentication/username.mapper.ts

@@ -0,0 +1,49 @@
+import { Mapper } from '@mobicoop/ddd-library';
+import { Injectable } from '@nestjs/common';
+import { Type } from './core/domain/username.types';
+import { UsernameEntity } from './core/domain/username.entity';
+import { UsernameModel } from './infrastructure/username.repository';
+import { UsernameResponseDto } from './interface/dtos/username.response.dto';
+
+/**
+ * Mapper constructs objects that are used in different layers:
+ * Record is an object that is stored in a database,
+ * Entity is an object that is used in application domain layer,
+ * and a ResponseDTO is an object returned to a user (usually as json).
+ */
+
+@Injectable()
+export class UsernameMapper
+  implements
+    Mapper<UsernameEntity, UsernameModel, UsernameModel, UsernameResponseDto>
+{
+  toPersistence = (entity: UsernameEntity): UsernameModel => {
+    const copy = entity.getProps();
+    const record: UsernameModel = {
+      authUuid: copy.userId,
+      username: copy.name,
+      type: copy.type,
+      createdAt: copy.createdAt,
+      updatedAt: copy.updatedAt,
+    };
+    return record;
+  };
+
+  toDomain = (record: UsernameModel): UsernameEntity => {
+    const entity = new UsernameEntity({
+      id: record.authUuid,
+      createdAt: new Date(record.createdAt),
+      updatedAt: new Date(record.updatedAt),
+      props: {
+        name: record.username,
+        type: Type[record.type],
+      },
+    });
+    return entity;
+  };
+
+  toResponse = (entity: UsernameEntity): UsernameResponseDto => {
+    const response = new UsernameResponseDto(entity);
+    return response;
+  };
+}

src/modules/database/database.module.ts

@@ -1,6 +1,6 @@
 import { Module } from '@nestjs/common';
-import { AuthenticationRepository } from '../authentication/adapters/secondaries/authentication.repository';
-import { UsernameRepository } from '../authentication/adapters/secondaries/username.repository';
+import { AuthenticationRepository } from '../oldauthentication/adapters/secondaries/authentication.repository';
+import { UsernameRepository } from '../oldauthentication/adapters/secondaries/username.repository';
 import { PrismaService } from './adapters/secondaries/prisma-service';
 
 @Module({

src/modules/health/domain/usecases/prisma.health-indicator.usecase.ts

@@ -4,7 +4,7 @@ import {
   HealthIndicator,
   HealthIndicatorResult,
 } from '@nestjs/terminus';
-import { AuthenticationRepository } from '../../../authentication/adapters/secondaries/authentication.repository';
+import { AuthenticationRepository } from '../../../oldauthentication/adapters/secondaries/authentication.repository';
 
 @Injectable()
 export class PrismaHealthIndicatorUseCase extends HealthIndicator {

src/modules/health/health.module.ts

@@ -1,7 +1,7 @@
 import { Module } from '@nestjs/common';
 import { HealthServerController } from './adapters/primaries/health-server.controller';
 import { PrismaHealthIndicatorUseCase } from './domain/usecases/prisma.health-indicator.usecase';
-import { AuthenticationRepository } from '../authentication/adapters/secondaries/authentication.repository';
+import { AuthenticationRepository } from '../oldauthentication/adapters/secondaries/authentication.repository';
 import { DatabaseModule } from '../database/database.module';
 import { HealthController } from './adapters/primaries/health.controller';
 import { TerminusModule } from '@nestjs/terminus';

src/modules/health/tests/unit/prisma.health-indicator.usecase.spec.ts

@@ -1,6 +1,6 @@
 import { Test, TestingModule } from '@nestjs/testing';
 import { PrismaHealthIndicatorUseCase } from '../../domain/usecases/prisma.health-indicator.usecase';
-import { AuthenticationRepository } from '../../../authentication/adapters/secondaries/authentication.repository';
+import { AuthenticationRepository } from '../../../oldauthentication/adapters/secondaries/authentication.repository';
 import { PrismaClientKnownRequestError } from '@prisma/client/runtime';
 import { HealthCheckError, HealthIndicatorResult } from '@nestjs/terminus';
 

src/modules/newauthentication/authentication.module.ts

@@ -1,54 +0,0 @@
-import { Module, Provider } from '@nestjs/common';
-import { CreateAuthenticationGrpcController } from './interface/grpc-controllers/create-authentication.grpc.controller';
-import { CreateAuthenticationService } from './core/application/commands/create-authentication/create-authentication.service';
-import { AuthenticationMapper } from './authentication.mapper';
-import { AUTHENTICATION_REPOSITORY } from './authentication.di-tokens';
-import { AuthenticationRepository } from './infrastructure/authentication.repository';
-import { PrismaService } from './infrastructure/prisma.service';
-import { CqrsModule } from '@nestjs/cqrs';
-import { DeleteAuthenticationGrpcController } from './interface/grpc-controllers/delete-authentication.grpc.controller';
-import { DeleteAuthenticationService } from './core/application/commands/delete-authentication/delete-authentication.service';
-import { MESSAGE_PUBLISHER } from '@src/app.di-tokens';
-import { MessageBrokerPublisher } from '@mobicoop/message-broker-module';
-
-const grpcControllers = [
-  CreateAuthenticationGrpcController,
-  DeleteAuthenticationGrpcController,
-];
-
-const commandHandlers: Provider[] = [
-  CreateAuthenticationService,
-  DeleteAuthenticationService,
-];
-
-const mappers: Provider[] = [AuthenticationMapper];
-
-const repositories: Provider[] = [
-  {
-    provide: AUTHENTICATION_REPOSITORY,
-    useClass: AuthenticationRepository,
-  },
-];
-
-const messageBrokers: Provider[] = [
-  {
-    provide: MESSAGE_PUBLISHER,
-    useClass: MessageBrokerPublisher,
-  },
-];
-
-const orms: Provider[] = [PrismaService];
-
-@Module({
-  imports: [CqrsModule],
-  controllers: [...grpcControllers],
-  providers: [
-    ...commandHandlers,
-    ...mappers,
-    ...repositories,
-    ...messageBrokers,
-    ...orms,
-  ],
-  exports: [PrismaService, AuthenticationMapper, AUTHENTICATION_REPOSITORY],
-})
-export class AuthenticationModule {}

src/modules/newauthentication/core/application/commands/types/username.ts

@@ -1,6 +0,0 @@
-import { Type } from '@modules/newauthentication/core/domain/username.types';
-
-export type Username = {
-  name: string;
-  type: Type;
-};

src/modules/newauthentication/interface/grpc-controllers/dtos/username.dto.ts

@@ -1,11 +0,0 @@
-import { Type } from '@modules/newauthentication/core/domain/username.types';
-import { IsEnum, IsNotEmpty, IsString } from 'class-validator';
-
-export class UsernameDto {
-  @IsString()
-  name: string;
-
-  @IsEnum(Type)
-  @IsNotEmpty()
-  type: Type;
-}

src/modules/oldauthentication/authentication.module.ts

@@ -0,0 +1,66 @@
+import { Module } from '@nestjs/common';
+import { CqrsModule } from '@nestjs/cqrs';
+import { DatabaseModule } from '../database/database.module';
+import { AuthenticationController } from './adapters/primaries/authentication.controller';
+import { CreateAuthenticationUseCase } from './domain/usecases/create-authentication.usecase';
+import { ValidateAuthenticationUseCase } from './domain/usecases/validate-authentication.usecase';
+import { AuthenticationProfile } from './mappers/authentication.profile';
+import { AuthenticationRepository } from './adapters/secondaries/authentication.repository';
+import { UpdateUsernameUseCase } from './domain/usecases/update-username.usecase';
+import { UsernameProfile } from './mappers/username.profile';
+import { AddUsernameUseCase } from './domain/usecases/add-username.usecase';
+import { UpdatePasswordUseCase } from './domain/usecases/update-password.usecase';
+import { DeleteUsernameUseCase } from './domain/usecases/delete-username.usecase';
+import { DeleteAuthenticationUseCase } from './domain/usecases/delete-authentication.usecase';
+import { RabbitMQModule } from '@golevelup/nestjs-rabbitmq';
+import { ConfigModule, ConfigService } from '@nestjs/config';
+import { AuthenticationMessagerController } from './adapters/primaries/authentication-messager.controller';
+import { Messager } from './adapters/secondaries/messager';
+
+@Module({
+  imports: [
+    DatabaseModule,
+    CqrsModule,
+    RabbitMQModule.forRootAsync(RabbitMQModule, {
+      imports: [ConfigModule],
+      useFactory: async (configService: ConfigService) => ({
+        exchanges: [
+          {
+            name: configService.get<string>('RMQ_EXCHANGE'),
+            type: 'topic',
+          },
+        ],
+        handlers: {
+          userUpdate: {
+            exchange: configService.get<string>('RMQ_EXCHANGE'),
+            routingKey: 'user.update',
+          },
+          userDelete: {
+            exchange: configService.get<string>('RMQ_EXCHANGE'),
+            routingKey: 'user.delete',
+          },
+        },
+        uri: configService.get<string>('RMQ_URI'),
+        connectionInitOptions: { wait: false },
+        enableControllerDiscovery: true,
+      }),
+      inject: [ConfigService],
+    }),
+  ],
+  controllers: [AuthenticationController, AuthenticationMessagerController],
+  providers: [
+    AuthenticationProfile,
+    UsernameProfile,
+    AuthenticationRepository,
+    Messager,
+    ValidateAuthenticationUseCase,
+    CreateAuthenticationUseCase,
+    AddUsernameUseCase,
+    UpdateUsernameUseCase,
+    UpdatePasswordUseCase,
+    DeleteUsernameUseCase,
+    DeleteAuthenticationUseCase,
+  ],
+  exports: [],
+})
+export class AuthenticationModule {}

src/utils/tests/unit/rpc-validation-pipe.usecase.spec.ts

@@ -1,5 +1,5 @@
 import { ArgumentMetadata } from '@nestjs/common';
-import { ValidateAuthenticationRequest } from '../../../modules/authentication/domain/dtos/validate-authentication.request';
+import { ValidateAuthenticationRequest } from '../../../modules/oldauthentication/domain/dtos/validate-authentication.request';
 import { RpcValidationPipe } from '../../pipes/rpc.validation-pipe';
 
 describe('RpcValidationPipe', () => {