getLocations method
Implementation
Future<List<LocationDataModel>> getLocations() async {
final db = await database;
final List<Map<String, dynamic>> maps = await db.query('locations');
return List.generate(maps.length, (i) {
return LocationDataModel(
latitude: maps[i]['latitude'],
longitude: maps[i]['longitude'],
timestamp: DateTime.parse(maps[i]['timestamp']),
);
});
}