backend/src/modules/branch/branch.service.ts

import {
  BadRequestException,
  Injectable,
  NotFoundException,
} from '@nestjs/common';
import { CreateBranchDto } from './dto/create-branch.dto.js';
import { BranchEntity } from '../../entities/branch.entity.js';
import { Public } from '../authentication/authentication.decorator.js';
import { UpdateBranchDto } from './dto/update-branch.dto.js';
import { plainToClass } from 'class-transformer';

@Public()
@Injectable()
export class BranchService {
  async create(createBranchDto: CreateBranchDto) {
    const branch = await BranchEntity.findOneBy({ id: createBranchDto.id });
    if (branch) {
      throw new BadRequestException('Branch already exists');
    }
    return await BranchEntity.create({ ...createBranchDto }).save();
  }

  async findAll() {
    return await BranchEntity.find();
  }

  async findOne(id: string) {
    return await BranchEntity.findOneBy({ id: id });
  }

  async getBranchOrError(id: string) {
    console.log(id);
    const branch = await BranchEntity.findOneBy({ id });
    if (!branch) {
      throw new NotFoundException('Branch not found');
    }
    return branch;
  }

  async update(id: string, updateBranchDto: UpdateBranchDto) {
    let branch = await this.getBranchOrError(id);
    branch = plainToClass(BranchEntity, {
      ...branch,
      ...updateBranchDto,
    });
    return await branch.save();
  }

  async remove(id: string) {
    let menuItem = await this.getBranchOrError(id);
    return await menuItem.remove();
  }
}