public IEnumerable <Assignee> GetAssignees(string search)
        {
            //return _assignmentManagerQuery.GetAssignees(search);
            var assignees = _elasticSearchManager.Search(search);

            return(assignees);
        }
        public async Task <IActionResult> Index()
        {
            var criteria = new Dictionary <string, object>();

            criteria.Add("active", true);
            var sensors = await _manager.Search <Sensor>("sensor", "data", criteria);


            return(View(sensors));
        }