fairnesscoop / pictyschool

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

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

import { IShippingCostRepository } from 'src/Domain/Order/Repository/IShippingCostRepository';

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

import { ShippingCostNotFoundException } from 'src/Domain/Order/Exception/ShippingCostNotFoundException';

import { GetShippingCostByIdQuery } from './GetShippingCostByIdQuery';

@QueryHandler(GetShippingCostByIdQuery)

export class GetShippingCostByIdQueryHandler {

  constructor(

    @Inject('IShippingCostRepository')

    private readonly shippingcostRepository: IShippingCostRepository

  ) {}

  public async execute(query: GetShippingCostByIdQuery): Promise<ShippingCostView> {

    const shippingCost = await this.shippingcostRepository.findOneById(query.id);

    if (!shippingCost) {

      throw new ShippingCostNotFoundException();

    }

    return new ShippingCostView(

      shippingCost.getId(),

      shippingCost.getGrams(),

      shippingCost.getPriceFromCents(),

    );

  }

}