96 lines
2.4 KiB
Dart
96 lines
2.4 KiB
Dart
import 'package:aves/model/entry.dart';
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import 'package:aves/services/services.dart';
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import 'package:flutter/foundation.dart';
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import 'package:flutter/widgets.dart';
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final Favourites favourites = Favourites._private();
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class Favourites with ChangeNotifier {
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Set<FavouriteRow> _rows = {};
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Favourites._private();
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Future<void> init() async {
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_rows = await metadataDb.loadFavourites();
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}
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int get count => _rows.length;
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bool isFavourite(AvesEntry entry) => _rows.any((row) => row.contentId == entry.contentId);
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FavouriteRow _entryToRow(AvesEntry entry) => FavouriteRow(contentId: entry.contentId, path: entry.path);
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Future<void> add(Iterable<AvesEntry> entries) async {
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final newRows = entries.map(_entryToRow);
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await metadataDb.addFavourites(newRows);
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_rows.addAll(newRows);
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notifyListeners();
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}
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Future<void> remove(Iterable<AvesEntry> entries) async {
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final contentIds = entries.map((entry) => entry.contentId).toSet();
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final removedRows = _rows.where((row) => contentIds.contains(row.contentId)).toSet();
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await metadataDb.removeFavourites(removedRows);
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removedRows.forEach(_rows.remove);
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notifyListeners();
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}
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Future<void> moveEntry(int oldContentId, AvesEntry entry) async {
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final oldRow = _rows.firstWhere((row) => row.contentId == oldContentId, orElse: () => null);
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if (oldRow == null) return;
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final newRow = _entryToRow(entry);
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await metadataDb.updateFavouriteId(oldContentId, newRow);
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_rows.remove(oldRow);
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_rows.add(newRow);
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notifyListeners();
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}
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Future<void> clear() async {
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await metadataDb.clearFavourites();
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_rows.clear();
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notifyListeners();
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}
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}
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@immutable
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class FavouriteRow {
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final int contentId;
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final String path;
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const FavouriteRow({
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this.contentId,
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this.path,
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});
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factory FavouriteRow.fromMap(Map map) {
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return FavouriteRow(
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contentId: map['contentId'],
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path: map['path'] ?? '',
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);
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}
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Map<String, dynamic> toMap() => {
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'contentId': contentId,
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'path': path,
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};
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@override
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bool operator ==(Object other) {
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if (other.runtimeType != runtimeType) return false;
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return other is FavouriteRow && other.contentId == contentId && other.path == path;
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}
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@override
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int get hashCode => hashValues(contentId, path);
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@override
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String toString() => '$runtimeType#${shortHash(this)}{contentId=$contentId, path=$path}';
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}
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