create-user.message.controller.ts

import { createUserSymbol } from '@modules/user/user.providers';
import { Inject } from '@nestjs/common';
import { MessagePattern } from '@nestjs/microservices';
import { IdResponse } from 'src/interface-adapters/dtos/id.response.dto';
import { CreateUserCommand } from './create-user.command';
import { CreateUserMessageRequest } from './create-user.request.dto';
import { CreateUserService } from './create-user.service';

export class CreateUserMessageController {
  constructor(
    @Inject(createUserSymbol)
    private readonly service: CreateUserService,
  ) {}

  @MessagePattern('user.create') // <- Subscribe to a microservice message
  async create(message: CreateUserMessageRequest): Promise<IdResponse> {
    const command = new CreateUserCommand(message);

    const id = await this.service.createUser(command);

    return new IdResponse(id.value);
  }
}