// GET: Authors/Details/5
public async Task <IActionResult> Details(int id)
{
var author = authorsService.GetAuthorById(id);
var books = bookService.ShowAllBooksByAuthor(id);
var vm = new DetailsAuthorVm();
vm.ID = id;
vm.Name = author.Name;
vm.WrittenBooks = books;
vm.CanBeRemoved = authorsService.CanRemoveAuthor(id);
return(View(vm));
}