public JsonResult AddItemToCart(int id, string mySessionID)
{
if(mySessionID != null)
{
var myCart = ShoppingCartManager.getInstance().getMyShoppingCart(mySessionID);
if(myCart == null)
{
myCart = new ShoppingCart();
myCart.Items = new List<Item>();
ShoppingCartManager.getInstance().addShoppingCartToList(myCart);
}
var newItem = new ItemBLL().GetById(id);
if (newItem.InStock > 0) {
myCart.Items.Add(newItem);
myCart.SessionID = mySessionID;
ShoppingCartManager.getInstance().updateCartTotalPrice(myCart);
return this.Json(myCart);
}
}
return null;
}
public JsonResult GetMyUpdatedCartJSON()
{
var mySessionID = Session["SessionID"] as string;
var myCart = ShoppingCartManager.getInstance().getMyShoppingCart(mySessionID);
if (myCart == null)
{
myCart = new ShoppingCart();
myCart.Items = new List<Item>();
}
myCart.SessionID = mySessionID;
ShoppingCartManager.getInstance().updateCartTotalPrice(myCart);
return this.Json(myCart);
}
public void updateCartTotalPrice(ShoppingCart cart)
{
cart.PriceOfCart = cart.Items.Select(x => x.Price).Sum();
}
public void addShoppingCartToList(ShoppingCart newCart)
{
shoppingCarts.Add(newCart);
}