/// <summary> /// Validates the book rent event data. /// </summary> /// <param name="bookRentEventDTO">The book rent event dto.</param> /// <returns> /// Returns an error message if book rent event data is invalid. /// </returns> private string ValidateBookRentEventData(BookRentEventDTO bookRentEventDTO) { StringBuilder errorMessageBuilder = new StringBuilder(); if (bookRentEventDTO == null) { errorMessageBuilder.Append("Data missing from request."); } if (bookRentEventDTO.BookId <= 0) { errorMessageBuilder.Append("Book data inside the request is invalid."); } if (bookRentEventDTO.UserId <= 0) { errorMessageBuilder.Append("User data inside the request is invalid."); } if (bookRentEventDTO.NumberOfCopiesRented <= 0) { errorMessageBuilder.Append("Number of copies inside the request is invalid."); } return(errorMessageBuilder.ToString()); }
public IActionResult UpdateBookRentEvent(BookRentEventDTO bookRentEventDto) { var errorMessage = this.ValidateBookRentEventData(bookRentEventDto); if (!string.IsNullOrEmpty(errorMessage)) { return(BadRequest(errorMessage)); } try { var model = this.mapper.Map <BookRentEvent>(bookRentEventDto); var updatedModel = this.bookRentEventRepository.Update(model); return(Ok(this.mapper.Map <BookRentEventViewModel>(updatedModel))); } catch (Exception ex) { return(StatusCode((int)HttpStatusCode.InternalServerError, ex.Message)); } }