public ActionResult UpdateCartCount(int id, int cartCount)
{
ShoppingCartRemoveViewModel results = null;
try
{
// Get the cart
var cart = ShoppingCart.GetCart(this.HttpContext);
// Get the name of the album to display confirmation
string albumName = storeDB.Carts
.Single(item => item.RecordId == id).Album.Title;
// Update the cart count
int itemCount = cart.UpdateCartCount(id, cartCount);
//Prepare messages
string msg = Server.HtmlEncode(albumName) +
" 的數量已更新！ ";
if (itemCount == 0) msg = Server.HtmlEncode(albumName) +
" 已移除！ ";
//
// Display the confirmation message
results = new ShoppingCartRemoveViewModel
{
Message = msg,
CartTotal = cart.GetTotal(),
CartCount = cart.GetCount(),
ItemCount = itemCount,
DeleteId = id
};
}
catch
{
results = new ShoppingCartRemoveViewModel
{
Message = "錯誤的輸入數量！",
CartTotal = -1,
CartCount = -1,
ItemCount = -1,
DeleteId = id
};
}
return Json(results);
}
public ActionResult RemoveFromCart(int id)
{
// Remove the item from the cart
var cart = ShoppingCart.GetCart(this.HttpContext);
//傳送HttpContext透過context.Session[CartSessionKey]取得某cartId的cart
// Get the name of the album to display confirmation
string albumName = storeDB.Carts
.Single(item => item.RecordId == id).Album.Title;
// Remove from cart
int itemCount = cart.RemoveFromCart(id);
// Display the confirmation message
var results = new ShoppingCartRemoveViewModel
{
Message = Server.HtmlEncode(albumName) +
"已從購物車中移除",
CartTotal = cart.GetTotal(),
CartCount = cart.GetCount(),
ItemCount = itemCount,
DeleteId = id
};
return Json(results);
}