public async Task ReadPoco()
        {
            var temperature = await _reader.QueryAsync <Temperature>(new QueryRange(-7, RangeUnit.day));

            temperature.ForEach(t => {
                Console.WriteLine(t.ToString());
                Console.WriteLine(t.ToJson());
            });
        }
        public async Task <IActionResult> Get(string metric, string unit, int range)
        {
            _logger.LogInformation($"metric: {metric}; unit: {unit}; range: {range}");
            QueryRange queryRange;

            switch (unit)
            {
            case "hour":
                queryRange = new QueryRange(range, RangeUnit.hour);
                break;

            case "day":
                queryRange = new QueryRange(range, RangeUnit.day);
                break;

            default:
                queryRange = new QueryRange(range, RangeUnit.minute);
                break;
            }
            var data = await _reader.QueryAsync(metric, queryRange);

            if (data != null)
            {
                return(Json(data));
            }
            else
            {
                return(NotFound());
            }
        }