public void AddResourceToReservation(AddResourceToReservationDto addResourceToReservationDto)
{
var office = officeRepository.GetOfficeById(addResourceToReservationDto.OfficeId);
var room = office.GetRoomByNumber(addResourceToReservationDto.RoomNumber);
var resource = room.GetResourceByNumber(addResourceToReservationDto.ResourceNumber);
var reservation = room.GetReservationByNumber(addResourceToReservationDto.ReservationNumber);
reservation.AddResource(resource);
officeRepository.AddResourceToReservation(addResourceToReservationDto.OfficeId, office.Rooms);
}