/// <summary>
/// 保存买家购物车信息
/// </summary>
/// <param name="model"></param>
/// <param name="connectionString"></param>
/// <param name="errMsg"></param>
/// <returns></returns>
public bool Save(BuyerShoppingCart model, string connectionString, out string errMsg)
{
var old = GetModel(model.BuyerId, model.SellerId, model.ProductId, connectionString, out errMsg);
if (old == null)
{
return(Insert(model, connectionString, out errMsg));
}
else
{
model.RDate = old.RDate;
model.RMan = old.RMan;
return(Update(model, connectionString, out errMsg));
}
}
public BuyerShoppingCart GetModel(int buyerId, int sellerId, int productId, string connectionString, out string errMsg)
{
BuyerShoppingCart model = null;
errMsg = string.Empty;
try
{
PredicateGroup pdg = new PredicateGroup();
pdg.Predicates = new List <IPredicate>();
pdg.Predicates.Add(Predicates.Field <BuyerShoppingCart>(o => o.BuyerId, Operator.Eq, buyerId));
pdg.Predicates.Add(Predicates.Field <BuyerShoppingCart>(o => o.ProductId, Operator.Eq, productId));
pdg.Predicates.Add(Predicates.Field <BuyerShoppingCart>(o => o.SellerId, Operator.Eq, sellerId));
model = GetModel(pdg, connectionString, out errMsg);
}
catch (Exception ex)
{
Logger.LogError4Exception(ex, "AppLogger");
}
return(model);
}
/// <summary>
/// 更新购物车一条信息
/// </summary>
/// <param name="cartLineInfo"></param>
/// <returns></returns>
public JsonResult UpdateCartLine(string cartLineInfo)
{
if (Session["IsGuest"] != null)
{
bool isGuest = (bool)Session["IsGuest"];
if (isGuest)
{
return(new JsonResult()
{
Data = new JsonResponseData()
{
IsSuccess = false, Msg = "该功能暂未开通"
}
});
}
}
string msg;
JsonResponseData result = new JsonResponseData()
{
IsSuccess = true
};
var user = GetUser();
if (user == null)
{
result.IsSuccess = false;
result.Msg = "请重新登陆";
return(new JsonResult()
{
Data = result
});
}
BuyerShoppingCart line = JsonConvert.DeserializeObject <BuyerShoppingCart>(cartLineInfo);
int count;
try
{
BuyerShoppingCartBll.DeleteCertLine(user.BuyerId, line.SellerId, line.ProductId, out msg);
if (line.ProductQuantity > 0)
{
line.LMan = user.BuyerId;
line.RMan = user.BuyerId;
line.BuyerId = user.BuyerId;
if (BuyerShoppingCartBll.Insert(line))
{
result.IsSuccess = result.IsSuccess && true;
result.Msg = "修改成功";
if (BuyerShoppingCartBll.GetCertCount(user.BuyerId, line.SellerId, out count, out msg))
{
result.IsSuccess = result.IsSuccess && true;
result.Msg = count + "";
}
else
{
result.Msg = count + "";
}
}
else
{
result.IsSuccess = false;
result.Msg = "修改失败";
}
}
else
{
if (BuyerShoppingCartBll.GetCertCount(user.BuyerId, line.SellerId, out count, out msg))
{
result.IsSuccess = result.IsSuccess && true;
result.Msg = count + "";
}
else
{
result.Msg = count + "";
}
}
}
catch (Exception ex)
{
Console.WriteLine("更新购物车失败" + ex.Message);
}
return(new JsonResult()
{
Data = result
});
}
