xablau mostRecentCompleted

main.dart

class Xablau {
  const Xablau(this.id, [this.completedAt]);

  final int id;

  final DateTime? completedAt;

  @override
  String toString() => 'Xablau($id, $completedAt)';
}

void main() {
  final data = <Xablau>[
    const Xablau(1),
    Xablau(2, DateTime(2022, 12, 25)),
    const Xablau(3),
    Xablau(4, DateTime(1999, 2, 28)),
    Xablau(5, DateTime(2001, 11, 9)),
    const Xablau(6),
  ];
  
  if (data.isEmpty) {
    //return; // sem context.push(/tralala)    
  }

  //final mostRecentCompleted = data.fold<Xablau?>(null, (mostRecent, current) {
  //  if (mostRecent == null || mostRecent.completedAt == null) return current;
  //  if (current.completedAt == null) return mostRecent;
  //  if (current.completedAt!.isAfter(mostRecent.completedAt!)) return current;
  //  return mostRecent;
  //});
  final mostRecentCompleted =
      data.where((xablau) => xablau.completedAt != null).fold<Xablau?>(
    null,
    (mostRecent, current) {
      if (mostRecent == null) return current;
      if (current.completedAt!.isAfter(mostRecent.completedAt!)) return current;
      return mostRecent;
    },
  );
  
  // if (StackView.maybeOf(context) != null) {
     // stackViewCubit.hideList();
  // }
  if (mostRecentCompleted != null) {
    // context.push(/tralala, mostRecent.id)
  } else {
    // context.push(/tralala, data.first.id)
  }

  print(mostRecentCompleted);
}