cleanup method

@override Future<void> cleanup(Duration maxAge)

Clean up expired sessions

Implementation

@override
Future<void> cleanup(Duration maxAge) async {
  final cutoffTime = DateTime.now().subtract(maxAge);
  final queryBuilder = _connection.queryBuilder<Map<String, dynamic>>(
    _tableName,
  );

  await queryBuilder
      .where('last_activity', '<', cutoffTime.toIso8601String())
      .delete();
}