/// <summary>
/// 从传入的商品参数创建一个购物车对象
/// </summary>
/// <param name="productSysNo">商品编号，多个商品编号用逗号（,）隔开</param>
/// <param name="quantity">商品数量，多个购买数量用逗号（,）隔开</param>
/// <returns></returns>
public static ShoppingCart GetShoppingCartFromParam(string productSysNo, string quantity)
{
if (String.IsNullOrWhiteSpace(productSysNo) || String.IsNullOrWhiteSpace(quantity))
{
return(null);
}
String[] productSysnoArray = productSysNo.Split(new char[] { ',' });
String[] quantityArray = quantity.Split(new char[] { ',' });
if (productSysnoArray.Length != quantityArray.Length)
{
return(null);
}
int temp;
if (productSysnoArray.Any(x => !int.TryParse(x, out temp) || temp <= 0) ||
quantityArray.Any(x => !int.TryParse(x, out temp) || temp <= 0))
{
return(null);
}
ShoppingCart shoppingCart = ShoppingStorageManager.GetShoppingCartFromCreateNew();
shoppingCart.ShoppingItemGroupList = new List <ShoppingItemGroup>();
for (int i = 0; i < productSysnoArray.Length; i++)
{
var psysno = int.Parse(productSysnoArray[i]);
var qty = int.Parse(quantityArray[i]);
if (!shoppingCart.ShoppingItemGroupList.Exists(group =>
{
if (group.ShoppingItemList == null)
{
return(false);
}
return(group.ShoppingItemList.Exists(x =>
{
if (x.ProductSysNo == psysno)
{
group.Quantity += qty;
return true;
}
return false;
}));
}))
{
shoppingCart.ShoppingItemGroupList.Add(new ShoppingItemGroup()
{
Quantity = qty,
ShoppingItemList = new List <ShoppingItem>()
{
new ShoppingItem()
{
ProductSysNo = psysno,
UnitQuantity = 1
}
}
});
}
}
return(shoppingCart);
}
