aves/lib/model/source/album.dart

71 lines
2.4 KiB
Dart

import 'package:aves/model/image_entry.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([]);
void updateAlbums() {
final sorted = _folderPaths.toList()
..sort((a, b) {
final ua = getUniqueAlbumName(a);
final ub = getUniqueAlbumName(b);
return compareAsciiUpperCase(ua, ub);
});
sortedAlbums = List.unmodifiable(sorted);
invalidateFilterEntryCounts();
eventBus.fire(AlbumsChangedEvent());
}
String getUniqueAlbumName(String album) {
final volumeRoot = androidFileUtils.getStorageVolume(album)?.path ?? '';
final otherAlbums = _folderPaths.where((item) => item != album && item.startsWith(volumeRoot));
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)));
return parts.skip(parts.length - partCount).join(separator);
}
Map<String, ImageEntry> 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();
}
}
bool _isEmptyAlbum(String album) => !rawEntries.any((entry) => entry.directory == album);
}
class AlbumsChangedEvent {}