public async Task <IActionResult> DeleteShoppingCartItem(int bookId, int shoppingCartId)
{
var shoppingCartItem = await shoppingCartItemRepository.GetShoppingCartItemByCartIdAndProductId(bookId, shoppingCartId);
if (shoppingCartItem == null)
{
return(NotFound());
}
shoppingCartItemRepository.RemoveShoppingCartItem(shoppingCartItem);
await unitOfWork.CompleteAsync();
return(Ok(shoppingCartItem.ShoppingCartId));
}