/// <summary>
        /// 获取砍价商品详情
        /// </summary>
        /// <param name="userId"></param>
        /// <param name="productItems"></param>
        /// <returns></returns>
        public async Task <OperationResult <List <BargainProductNewModel> > > GetBargsinProductDetailAsync(Guid userId,
                                                                                                           List <BargainProductItem> productItems)
        {
            if (!productItems.Any())
            {
                return(OperationResult.FromError <List <BargainProductNewModel> >(ErrorCode.ParameterError, "参数不正确"));
            }
            var result = await BargainManager.GetBargsinProductDetail(userId, productItems);

            return(OperationResult.FromResult(result));
        }