fairnesscoop / pictyschool

@CommandHandler(UpdateEventCommand)

export class UpdateEventCommandHandler extends AbstractEventCommandHandler {

  constructor(

    @Inject('ISchoolRepository') schoolRepository: ISchoolRepository,

    @Inject('IUserRepository') userRepository: IUserRepository,

    @Inject('IEventRepository') 

    private readonly eventRepository: IEventRepository,

  ) {

    super(schoolRepository, userRepository);

  }

  public async execute(command: UpdateEventCommand): Promise<string> {

    const { id, date, summary, userId, schoolId } = command;

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

    if (!event) {

      throw new EventNotFoundException();

    }

    const [ user, school ] = await Promise.all([

      this.getUser(userId),

      this.getSchool(schoolId)

    ]);

    event.update(

      date,

      user,

      school,

      summary

    );

    await this.eventRepository.save(event);

    return event.getId();