public IActionResult DeleteAuthorBook(int id) { AuthorBook editAuthorBook = authorBookRepository.GetAuthorBook(id); if (editAuthorBook == null) { ViewBag.Object = "AuthorBook"; return(View("Views/Home/ObjectNotFound.cshtml", id)); } authorBookRepository.Delete(id); return(RedirectToAction("DisplayAllAuthorBooks")); }
public async Task Update(BookEditDto book) { var bookDb = await _bookRepo .GetAll() .FirstOrDefaultAsync(b => b.Id == book.Id); _mapper.Map(book, bookDb); _bookRepo.Update(bookDb); await _bookRepo.SaveChangesAsync(); var oldBookAuthors = await _authorBookRepo .GetAll() .Where(ab => ab.BookId == book.Id) .ToListAsync(); foreach (var ab in oldBookAuthors) { _authorBookRepo.Delete(ab); } await _authorBookRepo.SaveChangesAsync(); var newBookAuthors = book .AuthorsIds .Select(aId => new AuthorBook { AuthorId = aId, BookId = bookDb.Id }); foreach (var ab in newBookAuthors) { await _authorBookRepo.CreateAsync(ab); } await _authorBookRepo.SaveChangesAsync(); }