getDatum method

Future<Datum> getDatum()

Returns the AirQualityDatum based on the location of the phone.

Implementation

// ignore: annotate_overrides
Future<Datum> getDatum() async {
  if (deviceManager.service != null) {
    try {
      final loc = await LocationManager().getLastKnownLocation();
      final airQuality = await deviceManager.service!
          .feedFromGeoLocation(loc.latitude!, loc.longitude!);

      return AirQualityDatum.fromAirQualityData(airQuality);
    } catch (err) {
      warning('$runtimeType - Error getting air quality - $err');
      return ErrorDatum('$runtimeType Exception: $err');
    }
  }
  warning(
      '$runtimeType - no service available. Did you remember to add the AirQualityService to the study protocol?');
  return ErrorDatum('$runtimeType - no service available.');
}