public IActionResult Add(Book book, List <int> nr) { var identityUser = userManager.GetUserAsync(User).GetAwaiter().GetResult(); var user = userService.GetByIdentityUserId(identityUser.Id); book.Published = DateTime.Now; book.AddedBy = user; bookService.Add(book); if (Request.Form.Files != null) { bookService.AddBookPhoto(Request.Form.Files[0], book.ISBN); } return(RedirectToAction("Index")); }