relatica/lib/models/entry_tree_item.dart

import 'timeline_entry.dart';

class EntryTreeItem {
  final TimelineEntry entry;
  final bool isMine;
  bool isOrphaned;

  final _children = <String, EntryTreeItem>{};

  EntryTreeItem(this.entry, {this.isMine = true, this.isOrphaned = false});

  EntryTreeItem copy({required TimelineEntry entry}) => EntryTreeItem(
        entry,
        isMine: isMine,
        isOrphaned: isOrphaned,
      );

  String get id => entry.id;

  void addChild(EntryTreeItem child) {
    _children[child.id] = child;
  }

  int get totalChildren {
    int t = _children.length;
    for (final c in _children.values) {
      t += c.totalChildren;
    }

    return t;
  }

  List<EntryTreeItem> get children => List.unmodifiable(_children.values);

  @override
  bool operator ==(Object other) =>
      identical(this, other) ||
      other is EntryTreeItem &&
          runtimeType == other.runtimeType &&
          entry == other.entry;

  @override
  int get hashCode => entry.hashCode;
}