/// <summary>
/// Updates a cart item
/// </summary>
/// <param name="cart">
/// Models.Cart: the current cart
/// </param>
/// <param name="itemId">
/// int: a flummery's item ID
/// </param>
/// <param name="qty">
/// int: the flummery's new quantity
/// </param>
private async Task UpdateCartItems(Models.Cart cart, int itemId, int qty)
{
bool containsCartItem = false;
if (cart.CartItems != null)
{
foreach (var oneCartItem in cart.CartItems)
{
if (oneCartItem.ProductId == itemId)
{
oneCartItem.Qty += qty;
containsCartItem = true;
await _cartItem.Update(oneCartItem);
break;
}
}
}
if (!containsCartItem)
{
var newCartItem = new Models.CartItem
{
CartId = cart.Id,
ProductId = itemId,
Qty = qty
};
await _cartItem.Create(newCartItem);
}
}
/// <summary>
/// Updates a CartItem.
/// </summary>
/// <param name="userId">
/// string: the user ID of the current user
/// </param>
/// <returns>
/// Task<IActionResult>: redirects back to the cart
/// </returns>
public async Task <IActionResult> OnPost(string userId)
{
CartItem item = new CartItem()
{
CartId = CartId,
ProductId = ItemId,
Qty = NewQuantity
};
await _cartItem.Update(item);
return(RedirectToPage("/Cart/View"));
}