fairnesscoop / pictyschool

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

import { CommandHandler } from '@nestjs/cqrs';

import { DiscountNotFoundException } from 'src/Domain/School/Exception/DiscountNotFoundException';

import { IDiscountRepository } from 'src/Domain/School/Repository/IDiscountRepository';

import { RemoveDiscountCommand } from './RemoveDiscountCommand';

@CommandHandler(RemoveDiscountCommand)

export class RemoveDiscountCommandHandler {

  constructor(

    @Inject('IDiscountRepository')

    private readonly discountRepository: IDiscountRepository,

  ) {}

  public async execute({ id }: RemoveDiscountCommand): Promise<void> {

    const discount = await this.discountRepository.findOneById(id);

    if (!discount) {

      throw new DiscountNotFoundException();

    }

    await this.discountRepository.remove(discount);

  }

}