/*
*购物车存储说明：
* 游客访问时，点击加入购物车，购物车信息保存至Cookie中，游客点击结算时，Cookie中的购物车信息转移至数据库中并清空Cookie中购物车信息。
*登录会员点击加入购物车时，购物车信息保存至数据库中。
* Cookie存储格式： skuId1:count1,skuId2:count2,.....
*/
/// <summary>
/// 同步客户端购物车信息至服务器
/// </summary>
public void UpdateCartInfoFromCookieToServer(long memberId)
{
string cartInfo = WebHelper.GetCookie(CookieKeysCollection.HIMALL_CART_BRANCH);
if (!string.IsNullOrWhiteSpace(cartInfo))
{
string[] cartItems = cartInfo.Split(',');
var shoppingCartItems = new List <Himall.Entities.ShoppingCartItem>();
foreach (string cartItem in cartItems)
{
var cartItemParts = cartItem.Split(':');
var skuId = cartItemParts[0];
int quantity = int.Parse(cartItemParts[1]);
long shopBranchId = long.Parse(cartItemParts[2]);
shoppingCartItems.Add(new Himall.Entities.ShoppingCartItem()
{
ShopBranchId = shopBranchId, SkuId = cartItemParts[0], Quantity = int.Parse(cartItemParts[1])
});
}
CartApplication.AddToShopBranchCart(shoppingCartItems, memberId);
}
WebHelper.DeleteCookie(CookieKeysCollection.HIMALL_CART_BRANCH);
}
public void AddToCart(string skuId, int count, long memberId, long shopBranchId)
{
CheckSkuIdIsValid(skuId, shopBranchId);
//判断库存
var sku = ProductManagerApplication.GetSKU(skuId);
if (sku == null)
{
throw new HimallException("错误的SKU");
}
if (count > sku.Stock)
{
throw new HimallException("库存不足");
}
var shopBranch = ShopBranchApplication.GetShopBranchById(shopBranchId);
if (shopBranch == null)
{
throw new HimallException("错误的门店id");
}
var shopBranchSkuList = ShopBranchApplication.GetSkusByIds(shopBranchId, new List <string> {
skuId
});
if (shopBranchSkuList == null || shopBranchSkuList.Count == 0)
{
throw new HimallException("门店没有该商品");
}
if (shopBranchSkuList[0].Status == ShopBranchSkuStatus.InStock)
{
throw new HimallException("此商品已下架");
}
if (memberId > 0)
{
CartApplication.AddToShopBranchCart(skuId, count, memberId, shopBranchId);
}
else
{
string cartInfo = WebHelper.GetCookie(CookieKeysCollection.HIMALL_CART_BRANCH);
if (!string.IsNullOrWhiteSpace(cartInfo))
{
string[] cartItems = cartInfo.Split(',');
string newCartInfo = string.Empty;
bool exist = false;
foreach (string cartItem in cartItems)
{
var cartItemParts = cartItem.Split(':');
if (cartItemParts[0] == skuId && cartItemParts[2] == shopBranchId.ToString())
{
newCartInfo += "," + skuId + ":" + (int.Parse(cartItemParts[1]) + count) + ":" + shopBranchId;
exist = true;
}
else
{
newCartInfo += "," + cartItem;
}
}
if (!exist)
{
newCartInfo += "," + skuId + ":" + count + ":" + shopBranchId;
}
if (!string.IsNullOrWhiteSpace(newCartInfo))
{
newCartInfo = newCartInfo.Substring(1);
}
WebHelper.SetCookie(CookieKeysCollection.HIMALL_CART_BRANCH, newCartInfo);
}
else
{
WebHelper.SetCookie(CookieKeysCollection.HIMALL_CART_BRANCH, string.Format("{0}:{1}:{2}", skuId, count, shopBranchId));
}
}
}
