public async Task <BookOrderedResponse> SaveAsync(BookOrdered bookOrdered)
{
var existingBookForSale = await bookForSaleRepository.FindByIdAsync(bookOrdered.BookForSaleId);
if (existingBookForSale == null)
{
return(new BookOrderedResponse("Book for sale not found"));
}
if (existingBookForSale.BookOrdered != null)
{
return(new BookOrderedResponse("Book for sale was sold or reserved"));
}
try
{
await bookOrderedRepository.AddAsync(bookOrdered);
await unitOfWork.CompleteAsync();
return(new BookOrderedResponse(bookOrdered));
}
catch (Exception ex)
{
return(new BookOrderedResponse($"Error when saving the BookOrdered: {ex.Message}"));
}
}
public async Task <BookForSaleResponse> DeleteAsync(int id)
{
var existingBookForSale = await bookForSaleRepository.FindByIdAsync(id);
if (existingBookForSale == null)
{
return(new BookForSaleResponse("Book for sale not found"));
}
if (existingBookForSale.BookOrdered != null)
{
return(new BookForSaleResponse("Book for sale is ordered"));
}
try
{
bookForSaleRepository.Remove(existingBookForSale);
await unitOfWork.CompleteAsync();
return(new BookForSaleResponse(existingBookForSale));
}
catch (Exception ex)
{
return(new BookForSaleResponse($"Error when deleting BookForSale: {ex.Message}"));
}
}