aves/lib/model/source/album.dart
Thibault Deckers c252ce7828 renaming
2021-01-21 12:20:31 +09:00

92 lines
3.2 KiB
Dart

import 'package:aves/model/entry.dart';
import 'package:aves/model/filters/album.dart';
import 'package:aves/model/settings/settings.dart';
import 'package:aves/model/source/collection_source.dart';
import 'package:aves/utils/android_file_utils.dart';
import 'package:collection/collection.dart';
import 'package:path/path.dart';
mixin AlbumMixin on SourceBase {
final Set<String> _folderPaths = {};
List<String> sortedAlbums = List.unmodifiable([]);
int compareAlbumsByName(String a, String b) {
final ua = getUniqueAlbumName(a);
final ub = getUniqueAlbumName(b);
final c = compareAsciiUpperCase(ua, ub);
if (c != 0) return c;
final va = androidFileUtils.getStorageVolume(a)?.path ?? '';
final vb = androidFileUtils.getStorageVolume(b)?.path ?? '';
return compareAsciiUpperCase(va, vb);
}
void updateAlbums() {
final sorted = _folderPaths.toList()..sort(compareAlbumsByName);
sortedAlbums = List.unmodifiable(sorted);
invalidateFilterEntryCounts();
eventBus.fire(AlbumsChangedEvent());
}
String getUniqueAlbumName(String album) {
final otherAlbums = _folderPaths.where((item) => item != album);
final parts = album.split(separator);
var partCount = 0;
String testName;
do {
testName = separator + parts.skip(parts.length - ++partCount).join(separator);
} while (otherAlbums.any((item) => item.endsWith(testName)));
final uniqueName = parts.skip(parts.length - partCount).join(separator);
final volume = androidFileUtils.getStorageVolume(album);
final volumeRoot = volume?.path ?? '';
final albumRelativePath = album.substring(volumeRoot.length);
if (uniqueName.length < albumRelativePath.length || volume == null) {
return uniqueName;
} else if (volume.isPrimary) {
return albumRelativePath;
} else {
return '$albumRelativePath (${volume.description})';
}
}
Map<String, AvesEntry> getAlbumEntries() {
final entries = sortedEntriesForFilterList;
final regularAlbums = <String>[], appAlbums = <String>[], specialAlbums = <String>[];
for (var album in sortedAlbums) {
switch (androidFileUtils.getAlbumType(album)) {
case AlbumType.regular:
regularAlbums.add(album);
break;
case AlbumType.app:
appAlbums.add(album);
break;
default:
specialAlbums.add(album);
break;
}
}
return Map.fromEntries([...specialAlbums, ...appAlbums, ...regularAlbums].map((album) => MapEntry(
album,
entries.firstWhere((entry) => entry.directory == album, orElse: () => null),
)));
}
void addFolderPath(Iterable<String> albums) => _folderPaths.addAll(albums);
void cleanEmptyAlbums([Set<String> albums]) {
final emptyAlbums = (albums ?? _folderPaths).where(_isEmptyAlbum).toList();
if (emptyAlbums.isNotEmpty) {
_folderPaths.removeAll(emptyAlbums);
updateAlbums();
final pinnedFilters = settings.pinnedFilters;
emptyAlbums.forEach((album) => pinnedFilters.remove(AlbumFilter(album, getUniqueAlbumName(album))));
settings.pinnedFilters = pinnedFilters;
}
}
bool _isEmptyAlbum(String album) => !rawEntries.any((entry) => entry.directory == album);
}
class AlbumsChangedEvent {}