public void RemoveShoppingCartItem(LineItem item)
{
// remove item
var itemList = ShoppingCartItems.ToList();
itemList.Remove(item);
ShoppingCartItems = itemList;
// check coupons if not valid then remvove the coupon
var lineCoupons = ShoppingCartCoupons.ToList();
var coupons = ShoppingCartCoupons.Select(sc => sc.Coupon);
foreach (var c in coupons)
{
if (!c.IsCouponRulesApplicable(itemList))
{
c.Remove(this);
lineCoupons.Remove(ShoppingCartCoupons.SingleOrDefault(sc => sc.CouponId == c.Id));
}
}
ShoppingCartCoupons = lineCoupons;
}
