public IHttpActionResult Put(Sensor sensor)
        {
            var sensorToUpdate = _sensorService.GetById(sensor.Id);

            if (sensorToUpdate == null)
            {
                return NotFound();
            }

            sensorToUpdate.Status = sensor.Status;

            _sensorService.Update(sensorToUpdate);

            return Ok(sensorToUpdate);
        }
 public IHttpActionResult Post(Sensor sensor)
 {
     return Ok(_sensorService.Add(sensor));
 }