public async Task RemoveFromCart()

in Hands-on lab/lab-files/src/src/PartsUnlimitedWebsite/Controllers/ShoppingCartController.cs [103:144]

31 lines of code
3 McCabe index (conditional complexity)


        public async Task<IActionResult> RemoveFromCart(Request request)
        {
            // Retrieve the current user's shopping cart
            var cart = ShoppingCart.GetCart(_db, HttpContext);

            // Get the name of the album to display confirmation
            var cartItem = await _db.CartItems
                .Where(item => item.CartItemId == request.Id)
                .Include(c => c.Product)
                .SingleOrDefaultAsync();

            string message;
            int itemCount;
            if (cartItem != null)
            {
                // Remove from cart
                itemCount = cart.RemoveFromCart(request.Id);

                await _db.SaveChangesAsync(request.CancellationToken);

                string removed = (itemCount > 0) ? " 1 copy of " : string.Empty;
                message = removed + cartItem.Product.Title + " has been removed from your shopping cart.";
            }
            else
            {
                itemCount = 0;
                message = "Could not find this item, nothing has been removed from your shopping cart.";
            }

            // Display the confirmation message

            var results = new ShoppingCartRemoveViewModel
            {
                Message = message,
                CartTotal = cart.GetTotal().ToString(),
                CartCount = cart.GetCount(),
                ItemCount = itemCount,
                DeleteId = request.Id
            };

            return Json(results);
        }