fairnesscoop / permacoop

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

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

import {GetProjectByIdQuery} from './GetProjectByIdQuery';

import {IProjectRepository} from 'src/Domain/Project/Repository/IProjectRepository';

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

import {ProjectNotFoundException} from 'src/Domain/Project/Exception/ProjectNotFoundException';

import {CustomerView} from 'src/Application/Customer/View/CustomerView';

@QueryHandler(GetProjectByIdQuery)

export class GetProjectByIdQueryHandler {

  constructor(

    @Inject('IProjectRepository')

    private readonly projectRepository: IProjectRepository

  ) {}

  public async execute(query: GetProjectByIdQuery): Promise<ProjectView> {

    const project = await this.projectRepository.findOneById(query.id);

    if (!project) {

      throw new ProjectNotFoundException();

    }

    const customer = project.getCustomer();

    return new ProjectView(

      project.getId(),

      project.getName(),

      project.getDayDuration(),

      project.getInvoiceUnit(),

      new CustomerView(customer.getId(), customer.getName())

    );

  }

}