fairnesscoop / pictyschool

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

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

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

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

import { GetVoucherByCodeQuery } from './GetVoucherByCodeQuery';

import { VoucherView } from '../../View/VoucherView';

@QueryHandler(GetVoucherByCodeQuery)

export class GetVoucherByCodeQueryHandler {

  constructor(

    @Inject('IVoucherRepository')

    private readonly voucherRepository: IVoucherRepository

  ) {}

  public async execute({ code }: GetVoucherByCodeQuery): Promise<VoucherView> {

    const voucher = await this.voucherRepository.findOneByCode(code);

    if (!voucher) {

      throw new VoucherNotFoundException();

    }

    return new VoucherView(

      voucher.getId(),

      voucher.getCode(),

      voucher.getEmail(),

      voucher.getSchool().getId(),

    );

  }

}