public ResultES GetContent(string _id)
        {
            var client = CreateElasticClient();

            var request = client.Get <Content>(_id).Source;

            ResultES result = new ResultES();

            if (request == null)
            {
                result.ResponseCode = (int)HttpStatusCode.NotFound;
            }
            else
            {
                result.ResponseCode = (int)HttpStatusCode.OK;
                result.Data         = request;
            }

            return(result);
        }
        public ResultES SearchAll(string search)
        {
            var client = CreateElasticClient();

            //Content
            //var content = client.Search<Content>(s => s
            //      .AllTypes()
            //      .Query(q => q
            //          .Bool(b => b
            //              .Must(m => m
            //                  .QueryString(qs => qs
            //                      .DefaultField("_all")
            //                      .Query(search))))));
            //var content = client.Search<Content>(s => s
            //      .AllTypes()
            //      .Query(q => q
            //          .QueryString(qs => qs.Query(search)
            //      )));
            var content = client.Search <Content>(s => s
                                                  .Query(q => q
                                                         .QueryString(qs => qs
                                                                      .Query(search)
                                                                      .Fields(fs => fs
                                                                              .Fields(f1 => f1.content_name)))));

            ResultES result = new ResultES();

            if (content.Hits.Count() == 0)
            {
                result.ResponseCode = (int)HttpStatusCode.NotFound;
            }
            else
            {
                result.ResponseCode = (int)HttpStatusCode.OK;
                result.Data         = content.Hits.ToList();
            }

            return(result);
        }