Source Code added

mobile/lib/providers/folder.provider.dart

@@ -0,0 +1,51 @@
+import 'package:hooks_riverpod/hooks_riverpod.dart';
+import 'package:immich_mobile/constants/enums.dart';
+import 'package:immich_mobile/models/folder/root_folder.model.dart';
+import 'package:immich_mobile/services/folder.service.dart';
+import 'package:immich_mobile/widgets/asset_grid/asset_grid_data_structure.dart';
+import 'package:logging/logging.dart';
+
+class FolderStructureNotifier extends StateNotifier<AsyncValue<RootFolder>> {
+  final FolderService _folderService;
+  final Logger _log = Logger("FolderStructureNotifier");
+
+  FolderStructureNotifier(this._folderService) : super(const AsyncLoading());
+
+  Future<void> fetchFolders(SortOrder order) async {
+    try {
+      final folders = await _folderService.getFolderStructure(order);
+      state = AsyncData(folders);
+    } catch (e, stack) {
+      _log.severe("Failed to build folder structure", e, stack);
+      state = AsyncError(e, stack);
+    }
+  }
+}
+
+final folderStructureProvider = StateNotifierProvider<FolderStructureNotifier, AsyncValue<RootFolder>>((ref) {
+  return FolderStructureNotifier(ref.watch(folderServiceProvider));
+});
+
+class FolderRenderListNotifier extends StateNotifier<AsyncValue<RenderList>> {
+  final FolderService _folderService;
+  final RootFolder _folder;
+  final Logger _log = Logger("FolderAssetsNotifier");
+
+  FolderRenderListNotifier(this._folderService, this._folder) : super(const AsyncLoading());
+
+  Future<void> fetchAssets(SortOrder order) async {
+    try {
+      final assets = await _folderService.getFolderAssets(_folder, order);
+      final renderList = await RenderList.fromAssets(assets, GroupAssetsBy.none);
+      state = AsyncData(renderList);
+    } catch (e, stack) {
+      _log.severe("Failed to fetch folder assets", e, stack);
+      state = AsyncError(e, stack);
+    }
+  }
+}
+
+final folderRenderListProvider =
+    StateNotifierProvider.family<FolderRenderListNotifier, AsyncValue<RenderList>, RootFolder>((ref, folder) {
+      return FolderRenderListNotifier(ref.watch(folderServiceProvider), folder);
+    });