agregando metodo findOne

import { State } from './entities/state.entity';

import { Repository } from 'typeorm';

import { ServerConstants } from 'src/constants/server.contants';

import { StateResponseDto } from './dto/state-res.dto';

@Injectable()

export class StateService {

  constructor(

    @InjectRepository(State) private stateRepository: Repository<State>,

  ) {}

  constructor(@InjectRepository(State) private stateRepository: Repository<State>) {}

  async create(createStateDto: CreateStateDto) {

    await this.stateRepository.save(createStateDto);

  }

  async findAll() {

  async findAll(): Promise<Array<StateResponseDto>> {

    const states = await this.stateRepository.find();

    const statesResponse = states.map(({ imageName, name, stateId }) => {

    const statesResponse: Array<StateResponseDto> = states.map(({ imageName, name, stateId }) => {

      return {

        stateId,

        name,

    return statesResponse;

  }

  async findOne(id: number) {

    const state = await this.stateRepository.findOneBy({ stateId: id });

    if (!state) return null;

    return {

      stateId: state.stateId,

      name: state.name,

      imageURL: `${ServerConstants.HOST}/states/${state.imageName}`,

    };

  }

}