public void ValidateDelete(string bookReferenceNumber) { if (string.IsNullOrEmpty(bookReferenceNumber)) { throw new RentExceptions.RentBadRequest("Book reference number is not valid "); } var reservation = _repo.FindReservation(bookReferenceNumber); if (reservation == null) { throw new RentExceptions.RentBadRequest("Reservation is not available"); } }
public IBook FindReservation(string bookReferenceNumber) { return(_repo.FindReservation(bookReferenceNumber)); }