pb_authenticator/lib/pages/shared/list_item_base.dart

import '../../state/app_state.dart';
import 'package:flutter/widgets.dart';

/// Abstract base class for TOTP list item.
///
/// Contains useful methods which are used to display the item.
abstract class TotpListItemBase extends StatefulWidget {
  const TotpListItemBase(this.item, {super.key});

  /// The item/account that is displayed.
  final BaseItemType item;

  /// Seconds since epoch.
  static int get _secondsSinceEpoch {
    return DateTime.now().millisecondsSinceEpoch ~/ 1000;
  }

  /// Progress indicator value.
  double get indicatorValue {
    return (_secondsSinceEpoch % item.totp.period) / item.totp.period;
  }

  /// Returns the code of the item for the current time.
  String get codeUnformatted {
    return item.totp.getCode(_secondsSinceEpoch);
  }

  /// Returns the code of the item for the current time in formatted form.
  String get code {
    return item.totp.getPrettyCode(_secondsSinceEpoch);
  }

  @override
  State<StatefulWidget> createState();
}