/// <summary>
        /// 受邀人获取砍价结果
        /// </summary>
        /// <param name="idKey"></param>
        /// <param name="userId"></param>
        /// <returns></returns>
        public async Task <OperationResult <InviteeBarginInfo> > GetInviteeBargainInfoAsync(Guid idKey, Guid userId)
        {
            if (idKey == Guid.Empty || userId == Guid.Empty)
            {
                return(OperationResult.FromError <InviteeBarginInfo>(ErrorCode.ParameterError, "参数不正确"));
            }

            var result = await BargainManager.GetInviteeBargainInfo(idKey, userId);

            return(OperationResult.FromResult(result));
        }