public async Task<IActionResult> RemoveFromCart(
int id,
CancellationToken requestAborted)
{
// 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 == id)
.Include(c => c.Product)
.SingleOrDefaultAsync();
string message;
int itemCount;
if (cartItem != null)
{
// Remove from cart
itemCount = cart.RemoveFromCart(id);
await _db.SaveChangesAsync(requestAborted);
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 = id
};
return Json(results);
}
public async Task<IActionResult> RemoveFromCart(int id)
{
var formParameters = await Context.Request.ReadFormAsync();
var requestVerification = formParameters["RequestVerificationToken"];
string cookieToken = null;
string formToken = null;
if (!string.IsNullOrWhiteSpace(requestVerification))
{
var tokens = requestVerification.Split(':');
if (tokens != null && tokens.Length == 2)
{
cookieToken = tokens[0];
formToken = tokens[1];
}
}
var antiForgery = Context.RequestServices.GetService<AntiForgery>();
antiForgery.Validate(Context, new AntiForgeryTokenSet(formToken, cookieToken));
// Start timer for save process telemetry
var startTime = System.DateTime.Now;
// Retrieve the current user's shopping cart
var cart = ShoppingCart.GetCart(_db, Context);
// Get the name of the product to display confirmation
// TODO [EF] Turn into one query once query of related data is enabled
int productId = _db.CartItems.Single(item => item.CartItemId == id).ProductId;
string productName = _db.Products.Single(a => a.ProductId == productId).Title;
// Remove from cart
int itemCount = cart.RemoveFromCart(id);
await _db.SaveChangesAsync(Context.RequestAborted);
string removed = (itemCount > 0) ? " 1 copy of " : string.Empty;
// Trace remove process
var measurements = new Dictionary<string, double>()
{
{"ElapsedMilliseconds", System.DateTime.Now.Subtract(startTime).TotalMilliseconds }
};
_telemetry.TrackEvent("Cart/Server/Remove", null, measurements);
// Display the confirmation message
var items = cart.GetCartItems();
var itemsCount = items.Sum(x => x.Count);
var subTotal = items.Sum(x => x.Count * x.Product.Price);
var shipping = itemsCount * (decimal)5.00;
var tax = (subTotal + shipping) * (decimal)0.05;
var total = subTotal + shipping + tax;
var results = new ShoppingCartRemoveViewModel
{
Message = removed + productName +
" has been removed from your shopping cart.",
CartSubTotal = subTotal.ToString("C"),
CartShipping = shipping.ToString("C"),
CartTax = tax.ToString("C"),
CartTotal = total.ToString("C"),
CartCount = itemsCount,
ItemCount = itemCount,
DeleteId = id
};
return Json(results);
}
public async Task<ActionResult> RemoveFromCart([FromUri] int id)
{
// Start timer for save process telemetry
var startTime = DateTime.Now;
// Retrieve the current user's shopping cart
var cart = ShoppingCart.GetCart(db, HttpContext);
// Get the name of the product to display confirmation
var cartItem = db.CartItems.Include("Product").Single(item => item.CartItemId == id);
string productName = cartItem.Product.Title;
// Remove from cart
int itemCount = cart.RemoveFromCart(id);
await db.SaveChangesAsync(CancellationToken.None);
string removed = (itemCount > 0) ? " 1 copy of " : string.Empty;
// Trace remove process
var measurements = new Dictionary<string, double>()
{
{"ElapsedMilliseconds", DateTime.Now.Subtract(startTime).TotalMilliseconds }
};
telemetry.TrackEvent("Cart/Server/Remove", null, measurements);
// Display the confirmation message
var items = cart.GetCartItems();
var itemsCount = items.Sum(x => x.Count);
var subTotal = items.Sum(x => x.Count * x.Product.Price);
var shipping = itemsCount * (decimal)5.00;
var tax = (subTotal + shipping) * (decimal)0.05;
var total = subTotal + shipping + tax;
var results = new ShoppingCartRemoveViewModel
{
Message = removed + productName +
" has been removed from your shopping cart.",
CartSubTotal = subTotal.ToString("C"),
CartShipping = shipping.ToString("C"),
CartTax = tax.ToString("C"),
CartTotal = total.ToString("C"),
CartCount = itemsCount,
ItemCount = itemCount,
DeleteId = id
};
return Json(results);
}