public ActionResult Destroy(DestroyPromotionRequest request, int? authuid, UserModel authUser, [FetchPromotion(KeyName = "promotionid", IsCanMissing = true)]PromotionEntity entity)
        {
            if (entity == null || authUser == null)
            {
                return new RestfulResult { Data = new ExecuteResult { StatusCode = StatusCode.ClientError, Message = "参数错误" } };
            }

            //达人只能删除自己的商品,
            //店长 可以删除自己店铺下的商品
            //运营 管理员权限的用户才可以删除他人的商品
            var t = false;
            //3
            if ((authUser.UserRole & (int)UserRole.Admin) != 0)
            {
                t = true;
            }
            else
            {
               
                    if (authUser.Id == entity.RecommendUser && (authUser.Level & UserLevel.Daren) != 0)
                    {
                        t = true;
                    }
            }
            request.AuthUid = authuid.Value;
            request.AuthUser = authUser;

            return t ? new RestfulResult { Data = this._promotionDataService.DestroyPromotion(request) } : new RestfulResult { Data = new ExecuteResult { StatusCode = StatusCode.ClientError, Message = "您没有权限删除其他用户的活动" } };
        }
        public ExecuteResult<PromotionInfoResponse> DestroyPromotion(DestroyPromotionRequest request)
        {
            if (request == null)
            {
                return new ExecuteResult<PromotionInfoResponse>(null) { StatusCode = StatusCode.ClientError, Message = "参数错误" };
            }

            var entity = _promotionRepository.GetItem(request.PromotionId);

            if (entity == null)
            {
                return new ExecuteResult<PromotionInfoResponse>(null) { StatusCode = StatusCode.ClientError, Message = "参数错误,没有找到指定promotion" };
            }

            entity.UpdatedDate = DateTime.Now;
            entity.UpdatedUser = request.AuthUid;
            entity.Status = (int)DataStatus.Deleted;

            _promotionRepository.Delete(entity);

            return new ExecuteResult<PromotionInfoResponse>(MappingManager.PromotionResponseMapping(entity));
        }