car-interface-android/lib/data/models/location_reading.dart

/// A one-shot location fix plus a best-effort place label.
class LocationReading {
  const LocationReading({
    required this.latitude,
    required this.longitude,
    required this.place,
  });

  final double latitude;
  final double longitude;
  final String place;

  factory LocationReading.fromMap(Map<dynamic, dynamic> map) {
    return LocationReading(
      latitude: (map['latitude'] as num?)?.toDouble() ?? 0,
      longitude: (map['longitude'] as num?)?.toDouble() ?? 0,
      place: ((map['place'] as String?) ?? '').trim(),
    );
  }

  String get displayPlace => place.isEmpty ? 'Current location' : place;
}