public async Task <OperationResult <FlashSaleProductCanBuyCountModel> > GetUserCanBuyFlashSaleItemCountAsync(Guid userId, Guid activityId, string pid)
{
if (userId == Guid.Empty || activityId == Guid.Empty || string.IsNullOrWhiteSpace(pid))
{
return(OperationResult.FromError <FlashSaleProductCanBuyCountModel>("-1", "参数错误"));
}
else
{
return(OperationResult.FromResult(await FlashSaleManager.GetUserCanBuyFlashSaleItemCountAsync(userId, activityId, pid)));
}
}
