public static cart_keys Update(int article_id, int quantity)
{
if (quantity < 1)
{
return((cart_keys)null);
}
List <cart_keys> cart = ShopCart.GetCart();
if (cart != null)
{
cart_keys cartKeys = cart.Find((Predicate <cart_keys>)(p => p.article_id == article_id));
if (cartKeys != null)
{
int index = cart.FindIndex((Predicate <cart_keys>)(p => p.article_id == article_id));
cartKeys.quantity = quantity;
cart[index] = cartKeys;
ShopCart.AddCookies(JsonHelper.ObjectToJSON((object)cart));
return(cartKeys);
}
}
return((cart_keys)null);
}
