fairnesscoop / pictyschool

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

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

import { GetDiscountsBySchoolQuery } from './GetDiscountsBySchoolQuery';

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

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

@QueryHandler(GetDiscountsBySchoolQuery)

export class GetDiscountsBySchoolQueryHandler {

  constructor(

    @Inject('IDiscountRepository')

    private readonly discountRepository: IDiscountRepository

  ) {}

  public async execute({ schoolId }: GetDiscountsBySchoolQuery): Promise<DiscountView[]> {

    const discountViews: DiscountView[] = [];

    const discounts = await this.discountRepository.findBySchool(

      schoolId

    );

    for (const discount of discounts) {

      discountViews.push(

        new DiscountView(

          discount.getId(),

          discount.getType(),

          discount.getAmount() / 100,

          discount.getValue() / 100

        )

      );

    }

    return discountViews;

  }

}