agregando metodo para crear town

import { Injectable } from '@nestjs/common';

import { BadRequestException, Injectable } from '@nestjs/common';

import { CreateTownDto } from './dto/create-town.dto';

import { UpdateTownDto } from './dto/update-town.dto';

import { Repository } from 'typeorm';

import { Town } from './entities/town.entity';

import { InjectRepository } from '@nestjs/typeorm';

import { StateService } from 'src/state/state.service';

@Injectable()

export class TownService {

  create(createTownDto: CreateTownDto) {

    return 'This action adds a new town';

  constructor(

    @InjectRepository(Town) private townRepository: Repository<Town>,

    private state: StateService,

  ) {}

  async create(createTownDto: CreateTownDto) {

    const state = await this.state.findOne(createTownDto.state);

    if (!state) throw new BadRequestException('State does not exist');

    await this.townRepository.save(createTownDto);

  }

  findAll() {

    return `This action returns all town`;

  }

  findOne(id: number) {

    return `This action returns a #${id} town`;

  }

  update(id: number, updateTownDto: UpdateTownDto) {

    return `This action updates a #${id} town`;

  }

  remove(id: number) {

    return `This action removes a #${id} town`;

  }