/// <summary>
        /// 获取砍价商品列表(已废弃)
        /// </summary>
        /// <param name="request"></param>
        /// <returns></returns>
        public async Task <OperationResult <PagedModel <BargainProductModel> > > GetBargainPaoductListAsync(
            GetBargainproductListRequest request)
        {
            if (request.PageIndex < 1 || request.PageSize < 1)
            {
                return(OperationResult.FromError <PagedModel <BargainProductModel> >(ErrorCode.ParameterError, "参数不正确"));
            }

            var result = await BargainManager.GetBargainProductList(request);

            return(OperationResult.FromResult(result));
        }