Francois-Lannoy-The-github-repo/internals/generator/module/service.ts.hbs

import { {{ properCase name }} } from './{{ kebabCase name }}.entity';
import { Inject, Injectable, NotFoundException } from '@nestjs/common';
import { InjectRepository } from '@nestjs/typeorm';
import { {{ properCase name }}Repository } from './{{ kebabCase name }}.repository';
import {  } from './{{ kebabCase name }}.constants';
import { {{ properCase name }}Dto } from './{{ kebabCase name }}.dto';
import Optional from 'typescript-optional';


@Injectable()
export class {{ properCase name }}Service {

  constructor(
    @InjectRepository({{ properCase name }}Repository)
    private readonly {{ camelCase name }}Repository: {{ properCase name }}Repository,
  ) { }

  async getAll(): Promise<{{ properCase name }}[]> {
    return this.{{ camelCase name }}Repository.find({});
  }

  async getOneById(id: number): Promise<Optional<{{ properCase name }}>> {
  return this.{{ camelCase name }}Repository.findOneById(id);
  }

  async saveNew(body: {{ properCase name }}Dto): Promise<{{ properCase name }}> {
    let {{ camelCase name }}New = new {{ properCase name }}();

    // Complete with the mappings

    {{ camelCase name }}New = await this.{{ camelCase name }}Repository.save({{ camelCase name }}New);

    return {{ camelCase name }}New;
  }

  async update(id: number, body: {{ properCase name }}Dto): Promise<{{ properCase name }}> {
    let {{ camelCase name }}Found = (await this.{{ camelCase name }}Repository.findOneById(id)).orElseThrow(
      () => new NotFoundException(),
    );

    // Complete with the mappings

    {{ camelCase name }}Found = await this.{{ camelCase name }}Repository.save({{ camelCase name }}Found);

    return {{ camelCase name }}Found;
  }

  async deleteById(id: number): Promise<void> {
    const {{ camelCase name }}Found = (await this.{{ camelCase name }}Repository.findOneById(
      id,
    )).orElseThrow(() => new NotFoundException());
    await this.{{ camelCase name }}Repository.remove({{ camelCase name }}Found);
  }
}