public IActionResult AddToCart(int Id, string returnUrl)
{
Book book = _repository.GetElem(Id);
int countBooksInStore = _repository.DecCountBook(book);
if (book != null)
{
_cart.AddItem(book);
}
return(Json(new { bookId = book.Id, bookCountInStore = countBooksInStore, bookTitle = book.Title, countBooksInCart = _cart.ComputeTotalValue() }));
}
