public OperationResult <BookResponse> Execute(BookRequest book) { try { if (_context.Books.FirstOrDefault(x => x.Id == book.Id) == null) { _context.Books.Add(_bookMapper.Map(book)); _context.SaveChanges(); _context.Authors.Add(_authorBookMapper.Map(book)); _context.SaveChanges(); return(new OperationResult <BookResponse>() { IsSuccess = true }); } else { throw new ArgumentException("This id already exists"); } } catch (Exception exc) { Console.WriteLine(exc.Message); return(new OperationResult <BookResponse>() { IsSuccess = false, ErrorMessages = { exc.Message } }); } }
public OperationResult <BookResponse> Execute( BookRequest book) { try { DbBook oldBook = _context.Books.FirstOrDefault(x => x.Id == book.Id); DbAuthorBook authorBook = _context.Authors.FirstOrDefault(x => x.BookId == book.Id); if (oldBook == null) { throw new ArgumentException("Old model doesn't exist"); } _context.Books.Remove(oldBook); _context.Books.Add(_dbBookMapper.Map(book)); if (authorBook != null) { _context.Authors.Remove(authorBook); } _context.Authors.Add(_dbAuthorBookMapper.Map(book)); _context.SaveChanges(); return(new OperationResult <BookResponse>() { IsSuccess = true }); } catch (Exception exc) { return(new OperationResult <BookResponse>() { IsSuccess = false, ErrorMessages = { exc.Message } }); } }