fix(mobile): persist album sorting in settings

mobile/lib/presentation/widgets/album/album_selector.widget.dart

@@ -18,6 +18,9 @@ import 'package:immich_mobile/providers/infrastructure/album.provider.dart';
 import 'package:immich_mobile/providers/infrastructure/current_album.provider.dart';
 import 'package:immich_mobile/providers/timeline/multiselect.provider.dart';
 import 'package:immich_mobile/providers/user.provider.dart';
+import 'package:immich_mobile/providers/album/album_sort_by_options.provider.dart';
+import 'package:immich_mobile/providers/app_settings.provider.dart';
+import 'package:immich_mobile/services/app_settings.service.dart';
 import 'package:immich_mobile/routing/router.dart';
 import 'package:immich_mobile/utils/album_filter.utils.dart';
 import 'package:immich_mobile/widgets/common/confirm_dialog.dart';
@@ -52,8 +55,20 @@ class _AlbumSelectorState extends ConsumerState<AlbumSelector> {
   void initState() {
     super.initState();
 
-    // Load albums when component mounts
     WidgetsBinding.instance.addPostFrameCallback((_) {
+      final appSettings = ref.read(appSettingsServiceProvider);
+      final savedSortMode = appSettings.getSetting(AppSettingsEnum.selectedAlbumSortOrder);
+      final savedIsReverse = appSettings.getSetting(AppSettingsEnum.selectedAlbumSortReverse);
+
+      final albumSortMode = AlbumSortMode.values.firstWhere(
+        (e) => e.storeIndex == savedSortMode,
+        orElse: () => AlbumSortMode.lastModified,
+      );
+
+      setState(() {
+        sort = AlbumSort(mode: toRemoteAlbumSortMode(albumSortMode), isReverse: savedIsReverse);
+      });
+
       ref.read(remoteAlbumProvider.notifier).refresh();
     });
 
@@ -98,6 +113,11 @@ class _AlbumSelectorState extends ConsumerState<AlbumSelector> {
       this.sort = sort;
     });
 
+    final appSettings = ref.read(appSettingsServiceProvider);
+    final albumSortMode = toAlbumSortMode(sort.mode);
+    await appSettings.setSetting(AppSettingsEnum.selectedAlbumSortOrder, albumSortMode.storeIndex);
+    await appSettings.setSetting(AppSettingsEnum.selectedAlbumSortReverse, sort.isReverse);
+
     await sortAlbums();
   }
 
@@ -182,6 +202,8 @@ class _AlbumSelectorState extends ConsumerState<AlbumSelector> {
             onToggleViewMode: toggleViewMode,
             onSortChanged: changeSort,
             controller: menuController,
+            currentSortMode: sort.mode,
+            currentIsReverse: sort.isReverse,
           ),
           isGrid
               ? _AlbumGrid(albums: shownAlbums, userId: userId, onAlbumSelected: widget.onAlbumSelected)
@@ -193,20 +215,45 @@ class _AlbumSelectorState extends ConsumerState<AlbumSelector> {
 }
 
 class _SortButton extends ConsumerStatefulWidget {
-  const _SortButton(this.onSortChanged, {this.controller});
+  const _SortButton(
+    this.onSortChanged, {
+    required this.initialSortMode,
+    required this.initialIsReverse,
+    this.controller,
+  });
 
   final Future<void> Function(AlbumSort) onSortChanged;
   final MenuController? controller;
+  final RemoteAlbumSortMode initialSortMode;
+  final bool initialIsReverse;
 
   @override
   ConsumerState<_SortButton> createState() => _SortButtonState();
 }
 
 class _SortButtonState extends ConsumerState<_SortButton> {
-  RemoteAlbumSortMode albumSortOption = RemoteAlbumSortMode.lastModified;
-  bool albumSortIsReverse = true;
+  late RemoteAlbumSortMode albumSortOption;
+  late bool albumSortIsReverse;
   bool isSorting = false;
 
+  @override
+  void initState() {
+    super.initState();
+    albumSortOption = widget.initialSortMode;
+    albumSortIsReverse = widget.initialIsReverse;
+  }
+
+  @override
+  void didUpdateWidget(_SortButton oldWidget) {
+    super.didUpdateWidget(oldWidget);
+    if (oldWidget.initialSortMode != widget.initialSortMode || oldWidget.initialIsReverse != widget.initialIsReverse) {
+      setState(() {
+        albumSortOption = widget.initialSortMode;
+        albumSortIsReverse = widget.initialIsReverse;
+      });
+    }
+  }
+
   Future<void> onMenuTapped(RemoteAlbumSortMode sortMode) async {
     final selected = albumSortOption == sortMode;
     // Switch direction
@@ -466,6 +513,8 @@ class _QuickSortAndViewMode extends StatelessWidget {
     required this.isGrid,
     required this.onToggleViewMode,
     required this.onSortChanged,
+    required this.currentSortMode,
+    required this.currentIsReverse,
     this.controller,
   });
 
@@ -473,6 +522,8 @@ class _QuickSortAndViewMode extends StatelessWidget {
   final VoidCallback onToggleViewMode;
   final MenuController? controller;
   final Future<void> Function(AlbumSort) onSortChanged;
+  final RemoteAlbumSortMode currentSortMode;
+  final bool currentIsReverse;
 
   @override
   Widget build(BuildContext context) {
@@ -482,7 +533,12 @@ class _QuickSortAndViewMode extends StatelessWidget {
         child: Row(
           mainAxisAlignment: MainAxisAlignment.spaceBetween,
           children: [
-            _SortButton(onSortChanged, controller: controller),
+            _SortButton(
+              onSortChanged,
+              controller: controller,
+              initialSortMode: currentSortMode,
+              initialIsReverse: currentIsReverse,
+            ),
             IconButton(
               icon: Icon(isGrid ? Icons.view_list_outlined : Icons.grid_view_outlined, size: 24),
               onPressed: onToggleViewMode,

mobile/lib/utils/album_filter.utils.dart

@@ -1,5 +1,6 @@
 import 'package:immich_mobile/domain/services/remote_album.service.dart';
 import 'package:immich_mobile/models/albums/album_search.model.dart';
+import 'package:immich_mobile/providers/album/album_sort_by_options.provider.dart';
 
 class AlbumFilter {
   String? userId;
@@ -23,3 +24,37 @@ class AlbumSort {
     return AlbumSort(mode: mode ?? this.mode, isReverse: isReverse ?? this.isReverse);
   }
 }
+
+RemoteAlbumSortMode toRemoteAlbumSortMode(AlbumSortMode mode) {
+  switch (mode) {
+    case AlbumSortMode.title:
+      return RemoteAlbumSortMode.title;
+    case AlbumSortMode.assetCount:
+      return RemoteAlbumSortMode.assetCount;
+    case AlbumSortMode.lastModified:
+      return RemoteAlbumSortMode.lastModified;
+    case AlbumSortMode.created:
+      return RemoteAlbumSortMode.created;
+    case AlbumSortMode.mostRecent:
+      return RemoteAlbumSortMode.mostRecent;
+    case AlbumSortMode.mostOldest:
+      return RemoteAlbumSortMode.mostOldest;
+  }
+}
+
+AlbumSortMode toAlbumSortMode(RemoteAlbumSortMode mode) {
+  switch (mode) {
+    case RemoteAlbumSortMode.title:
+      return AlbumSortMode.title;
+    case RemoteAlbumSortMode.assetCount:
+      return AlbumSortMode.assetCount;
+    case RemoteAlbumSortMode.lastModified:
+      return AlbumSortMode.lastModified;
+    case RemoteAlbumSortMode.created:
+      return AlbumSortMode.created;
+    case RemoteAlbumSortMode.mostRecent:
+      return AlbumSortMode.mostRecent;
+    case RemoteAlbumSortMode.mostOldest:
+      return AlbumSortMode.mostOldest;
+  }
+}