fairnesscoop / pictyschool

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

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

import { GetEventByIdQuery } from './GetEventByIdQuery';

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

import { IEventRepository } from 'src/Domain/Calendar/Repository/IEventRepository';

import { EventNotFoundException } from 'src/Domain/Calendar/Exception/EventNotFoundException';

import { SchoolSummaryView } from 'src/Application/School/View/SchoolSummaryView';

import { UserSummaryView } from 'src/Application/User/View/UserSummaryView';

@QueryHandler(GetEventByIdQuery)

export class GetEventByIdQueryHandler {

  constructor(

    @Inject('IEventRepository')

    private readonly eventRepository: IEventRepository

  ) {}

  public async execute({ id }: GetEventByIdQuery): Promise<EventDetailView> {

    const event = await this.eventRepository.findOneById(id);

    if (!event) {

      throw new EventNotFoundException();

    }

    const school = event.getSchool();

    const user = event.getPhotographer();

    return new EventDetailView(

      event.getId(),

      new SchoolSummaryView(

        school.getId(),

        school.getName(),

        school.getReference(),

        school.getAddress(),

        school.getCity(),

        school.getZipCode(),

      ),

      new UserSummaryView(

        user.getId(),

        user.getFirstName(),

        user.getLastName(),

        user.getEmail(),

      ),

      event.getDate(),

      event.getSummary()

    );

  }

}