feat(mobile): Library page rework (album sorting, favorites) (#1501)

* Add album sorting

* Change AppBar to match photos page behaviour

* Add buttons

* First crude implementation of the favorites page

* Clean up

* Add favorite button

* i18n

* Add star indicator to thumbnail

* Add favorite logic to separate provider and fix favorite behavior in album

* Review feedback (Add isFavorite variable)

* dev: style buttons

* dev: styled drop down button

---------

Co-authored-by: Alex Tran <alex.tran1502@gmail.com>

mobile/assets/i18n/en-US.json

@@ -108,12 +108,17 @@
   "experimental_settings_new_asset_list_title": "Enable experimental photo grid",
   "experimental_settings_subtitle": "Use at your own risk!",
   "experimental_settings_title": "Experimental",
+  "favorites_page_title": "Favorites",
   "home_page_add_to_album_conflicts": "Added {added} assets to album {album}. {failed} assets are already in the album.",
   "home_page_add_to_album_success": "Added {added} assets to album {album}.",
   "home_page_building_timeline": "Building the timeline",
   "home_page_first_time_notice": "If this is your first time using the app, please make sure to choose a backup album(s) so that the timeline can populate photos and videos in the album(s).",
   "library_page_albums": "Albums",
   "library_page_new_album": "New album",
+  "library_page_favorites": "Favorites",
+  "library_page_sharing": "Sharing",
+  "library_page_sort_created": "Most recently created",
+  "library_page_sort_title": "Album title",
   "login_form_button_text": "Login",
   "login_form_email_hint": "youremail@email.com",
   "login_form_endpoint_hint": "http://your-server-ip:port/api",

mobile/lib/modules/album/ui/album_viewer_thumbnail.dart

@@ -1,6 +1,7 @@
 import 'package:auto_route/auto_route.dart';
 import 'package:flutter/material.dart';
 import 'package:hooks_riverpod/hooks_riverpod.dart';
+import 'package:immich_mobile/modules/favorite/providers/favorite_provider.dart';
 import 'package:immich_mobile/modules/login/providers/authentication.provider.dart';
 import 'package:immich_mobile/modules/album/providers/asset_selection.provider.dart';
 import 'package:immich_mobile/routing/router.dart';
@@ -26,6 +27,7 @@ class AlbumViewerThumbnail extends HookConsumerWidget {
         ref.watch(assetSelectionProvider).selectedAssetsInAlbumViewer;
     final isMultiSelectionEnable =
         ref.watch(assetSelectionProvider).isMultiselectEnable;
+    final isFavorite = ref.watch(favoriteProvider).contains(asset.id);
 
     viewAsset() {
       AutoRouter.of(context).push(
@@ -96,6 +98,18 @@ class AlbumViewerThumbnail extends HookConsumerWidget {
       );
     }
 
+    buildAssetFavoriteIcon() {
+      return const Positioned(
+        left: 10,
+        bottom: 5,
+        child: Icon(
+          Icons.star,
+          color: Colors.white,
+          size: 18,
+        ),
+      );
+    }
+
     buildAssetSelectionIcon() {
       bool isSelected = selectedAssetsInAlbumViewer.contains(asset);
 
@@ -143,6 +157,7 @@ class AlbumViewerThumbnail extends HookConsumerWidget {
       child: Stack(
         children: [
           buildThumbnailImage(),
+          if (isFavorite) buildAssetFavoriteIcon(),
           if (showStorageIndicator) buildAssetStoreLocationIcon(),
           if (!asset.isImage) buildVideoLabel(),
           if (isMultiSelectionEnable) buildAssetSelectionIcon(),

mobile/lib/modules/album/views/library_page.dart

@@ -1,4 +1,5 @@
 import 'package:auto_route/auto_route.dart';
+import 'package:collection/collection.dart';
 import 'package:easy_localization/easy_localization.dart';
 import 'package:flutter/material.dart';
 import 'package:flutter_hooks/flutter_hooks.dart';
@@ -6,6 +7,7 @@ import 'package:hooks_riverpod/hooks_riverpod.dart';
 import 'package:immich_mobile/modules/album/providers/album.provider.dart';
 import 'package:immich_mobile/modules/album/ui/album_thumbnail_card.dart';
 import 'package:immich_mobile/routing/router.dart';
+import 'package:openapi/api.dart';
 
 class LibraryPage extends HookConsumerWidget {
   const LibraryPage({Key? key}) : super(key: key);
@@ -22,14 +24,11 @@ class LibraryPage extends HookConsumerWidget {
       [],
     );
 
-    Widget buildAppBar() {
+    AppBar buildAppBar() {
-      return const SliverAppBar(
+      return AppBar(
         centerTitle: true,
-        floating: true,
-        pinned: false,
-        snap: false,
         automaticallyImplyLeading: false,
-        title: Text(
+        title: const Text(
           'IMMICH',
           style: TextStyle(
             fontFamily: 'SnowburstOne',
@@ -40,6 +39,74 @@ class LibraryPage extends HookConsumerWidget {
       );
     }
 
+    final selectedAlbumSortOrder = useState(0);
+
+    List<AlbumResponseDto> sortedAlbums() {
+      if (selectedAlbumSortOrder.value == 0) {
+        return albums.sortedBy((album) => album.createdAt).reversed.toList();
+      }
+      return albums.sortedBy((album) => album.albumName);
+    }
+
+    Widget buildSortButton() {
+      final options = [
+        "library_page_sort_created".tr(),
+        "library_page_sort_title".tr()
+      ];
+
+      return PopupMenuButton(
+        position: PopupMenuPosition.over,
+        itemBuilder: (BuildContext context) {
+          return options.mapIndexed<PopupMenuEntry<int>>((index, option) {
+            final selected = selectedAlbumSortOrder.value == index;
+            return PopupMenuItem(
+              value: index,
+              child: Row(
+                children: [
+                  Padding(
+                    padding: const EdgeInsets.only(right: 12.0),
+                    child: Icon(
+                      Icons.check,
+                      color: selected
+                          ? Theme.of(context).primaryColor
+                          : Colors.transparent,
+                    ),
+                  ),
+                  Text(
+                    option,
+                    style: TextStyle(
+                      color: selected ? Theme.of(context).primaryColor : null,
+                      fontSize: 12.0,
+                    ),
+                  )
+                ],
+              ),
+            );
+          }).toList();
+        },
+        onSelected: (int value) {
+          selectedAlbumSortOrder.value = value;
+        },
+        child: Row(
+          children: [
+            Icon(
+              Icons.swap_vert_rounded,
+              size: 18,
+              color: Theme.of(context).primaryColor,
+            ),
+            Text(
+              options[selectedAlbumSortOrder.value],
+              style: TextStyle(
+                fontWeight: FontWeight.bold,
+                color: Theme.of(context).primaryColor,
+                fontSize: 12.0,
+              ),
+            ),
+          ],
+        ),
+      );
+    }
+
     Widget buildCreateAlbumButton() {
       return GestureDetector(
         onTap: () {
@@ -80,17 +147,90 @@ class LibraryPage extends HookConsumerWidget {
       );
     }
 
+    Widget buildLibraryNavButton(
+      String label,
+      IconData icon,
+      Function() onClick,
+    ) {
+      return Expanded(
+        child: OutlinedButton.icon(
+          onPressed: onClick,
+          label: Padding(
+            padding: const EdgeInsets.only(left: 8.0),
+            child: Text(
+              label,
+              style: TextStyle(
+                fontWeight: FontWeight.bold,
+                fontSize: 12.0,
+                color: Theme.of(context).brightness == Brightness.dark
+                    ? Colors.white
+                    : Colors.black,
+              ),
+            ),
+          ),
+          style: OutlinedButton.styleFrom(
+            padding: const EdgeInsets.all(12),
+            side: BorderSide(
+              color: Theme.of(context).brightness == Brightness.dark
+                  ? Colors.grey[600]!
+                  : Colors.grey[300]!,
+            ),
+            alignment: Alignment.centerLeft,
+            shape: RoundedRectangleBorder(
+              borderRadius: BorderRadius.circular(6.0),
+            ),
+          ),
+          icon: Icon(icon, color: Theme.of(context).primaryColor),
+        ),
+      );
+    }
+
     return Scaffold(
+      appBar: buildAppBar(),
       body: CustomScrollView(
         slivers: [
-          buildAppBar(),
           SliverToBoxAdapter(
             child: Padding(
-              padding: const EdgeInsets.all(12.0),
+              padding: const EdgeInsets.only(
-              child: const Text(
+                left: 12.0,
+                right: 12.0,
+                top: 24.0,
+                bottom: 12.0,
+              ),
+              child: Row(
+                mainAxisAlignment: MainAxisAlignment.spaceEvenly,
+                children: [
+                  buildLibraryNavButton(
+                      "library_page_favorites".tr(), Icons.star_border, () {
+                    AutoRouter.of(context).navigate(const FavoritesRoute());
+                  }),
+                  const SizedBox(width: 12.0),
+                  buildLibraryNavButton(
+                      "library_page_sharing".tr(), Icons.group_outlined, () {
+                    AutoRouter.of(context).navigate(const SharingRoute());
+                  }),
+                ],
+              ),
+            ),
+          ),
+          SliverToBoxAdapter(
+            child: Padding(
+              padding: const EdgeInsets.only(
+                top: 12.0,
+                left: 12.0,
+                right: 12.0,
+                bottom: 20.0,
+              ),
+              child: Row(
+                mainAxisAlignment: MainAxisAlignment.spaceBetween,
+                children: [
+                  const Text(
                     'library_page_albums',
                     style: TextStyle(fontWeight: FontWeight.bold),
                   ).tr(),
+                  buildSortButton(),
+                ],
+              ),
             ),
           ),
           SliverPadding(
@@ -100,7 +240,7 @@ class LibraryPage extends HookConsumerWidget {
                 spacing: 12,
                 children: [
                   buildCreateAlbumButton(),
-                  for (var album in albums)
+                  for (var album in sortedAlbums())
                     AlbumThumbnailCard(
                       album: album,
                     ),

mobile/lib/modules/asset_viewer/ui/top_control_app_bar.dart

@@ -14,6 +14,8 @@ class TopControlAppBar extends HookConsumerWidget {
     required this.onAddToAlbumPressed,
     required this.onToggleMotionVideo,
     required this.isPlayingMotionVideo,
+    required this.onFavorite,
+    required this.isFavorite,
   }) : super(key: key);
 
   final Asset asset;
@@ -22,13 +24,29 @@ class TopControlAppBar extends HookConsumerWidget {
   final VoidCallback onToggleMotionVideo;
   final VoidCallback onDeletePressed;
   final VoidCallback onAddToAlbumPressed;
+  final VoidCallback onFavorite;
   final Function onSharePressed;
   final bool isPlayingMotionVideo;
+  final bool isFavorite;
 
   @override
   Widget build(BuildContext context, WidgetRef ref) {
     double iconSize = 18.0;
 
+    Widget buildFavoriteButton() {
+        return IconButton(
+          iconSize: iconSize,
+          splashRadius: iconSize,
+          onPressed: () {
+            onFavorite();
+          },
+          icon: Icon(
+            isFavorite ? Icons.star : Icons.star_border,
+            color: Colors.grey[200],
+          ),
+        );
+    }
+
     return AppBar(
       foregroundColor: Colors.grey[100],
       backgroundColor: Colors.transparent,
@@ -43,6 +61,7 @@ class TopControlAppBar extends HookConsumerWidget {
         ),
       ),
       actions: [
+        if (asset.isRemote) buildFavoriteButton(),
         if (asset.livePhotoVideoId != null)
           IconButton(
             iconSize: iconSize,

mobile/lib/modules/asset_viewer/views/gallery_viewer.dart

@@ -13,6 +13,7 @@ import 'package:immich_mobile/modules/asset_viewer/providers/image_viewer_page_s
 import 'package:immich_mobile/modules/asset_viewer/ui/exif_bottom_sheet.dart';
 import 'package:immich_mobile/modules/asset_viewer/ui/top_control_app_bar.dart';
 import 'package:immich_mobile/modules/asset_viewer/views/video_viewer_page.dart';
+import 'package:immich_mobile/modules/favorite/providers/favorite_provider.dart';
 import 'package:immich_mobile/shared/services/asset.service.dart';
 import 'package:immich_mobile/modules/home/ui/delete_diaglog.dart';
 import 'package:immich_mobile/modules/settings/providers/app_settings.provider.dart';
@@ -69,7 +70,11 @@ class GalleryViewerPage extends HookConsumerWidget {
       [],
     );
 
-    void getAssetExif() async {
+    void toggleFavorite(Asset asset) {
+      ref.watch(favoriteProvider.notifier).toggleFavorite(asset);
+    }
+
+    getAssetExif() async {
       if (assetList[indexOfAsset.value].isRemote) {
         assetDetail = await ref
             .watch(assetServiceProvider)
@@ -236,9 +241,15 @@ class GalleryViewerPage extends HookConsumerWidget {
           child: TopControlAppBar(
             isPlayingMotionVideo: isPlayingMotionVideo.value,
             asset: assetList[indexOfAsset.value],
+            isFavorite: ref.watch(favoriteProvider).contains(
+              assetList[indexOfAsset.value].id,
+            ),
             onMoreInfoPressed: () {
               showInfo();
             },
+            onFavorite: () {
+              toggleFavorite(assetList[indexOfAsset.value]);
+            },
             onDownloadPressed: assetList[indexOfAsset.value].isLocal
                 ? null
                 : () {

mobile/lib/modules/favorite/providers/favorite_provider.dart

@@ -0,0 +1,52 @@
+import 'package:hooks_riverpod/hooks_riverpod.dart';
+import 'package:immich_mobile/shared/models/asset.dart';
+import 'package:immich_mobile/shared/providers/asset.provider.dart';
+
+class FavoriteSelectionNotifier extends StateNotifier<Set<String>> {
+  FavoriteSelectionNotifier(this.ref) : super({}) {
+    state = ref.watch(assetProvider).allAssets
+        .where((asset) => asset.isFavorite)
+        .map((asset) => asset.id)
+        .toSet();
+  }
+
+  final Ref ref;
+
+  void _setFavoriteForAssetId(String id, bool favorite) {
+    if (!favorite) {
+      state = state.difference({id});
+    } else {
+      state = state.union({id});
+    }
+  }
+
+  bool _isFavorite(String id) {
+    return state.contains(id);
+  }
+
+  Future<void> toggleFavorite(Asset asset) async {
+    if (!asset.isRemote) return; // TODO support local favorite assets
+
+    _setFavoriteForAssetId(asset.id, !_isFavorite(asset.id));
+
+    await ref.watch(assetProvider.notifier).toggleFavorite(
+      asset,
+      state.contains(asset.id),
+    );
+  }
+}
+
+final favoriteProvider =
+    StateNotifierProvider<FavoriteSelectionNotifier, Set<String>>((ref) {
+  return FavoriteSelectionNotifier(ref);
+});
+
+final favoriteAssetProvider = StateProvider((ref) {
+  final favorites = ref.watch(favoriteProvider);
+
+  return ref
+      .watch(assetProvider)
+      .allAssets
+      .where((element) => favorites.contains(element.id))
+      .toList();
+});

mobile/lib/modules/favorite/ui/favorite_image.dart

@@ -0,0 +1,36 @@
+
+import 'package:auto_route/auto_route.dart';
+import 'package:flutter/material.dart';
+import 'package:hooks_riverpod/hooks_riverpod.dart';
+import 'package:immich_mobile/routing/router.dart';
+import 'package:immich_mobile/shared/models/asset.dart';
+import 'package:immich_mobile/shared/ui/immich_image.dart';
+
+class FavoriteImage extends HookConsumerWidget {
+  final Asset asset;
+  final List<Asset> assets;
+
+  const FavoriteImage(this.asset, this.assets, {super.key});
+
+  @override
+  Widget build(BuildContext context, WidgetRef ref) {
+    void viewAsset() {
+      AutoRouter.of(context).push(
+        GalleryViewerRoute(
+          asset: asset,
+          assetList: assets,
+        ),
+      );
+    }
+
+    return GestureDetector(
+      onTap: viewAsset,
+      child: ImmichImage(
+        asset,
+        width: 300,
+        height: 300,
+      ),
+    );
+  }
+
+}

mobile/lib/modules/favorite/views/favorites_page.dart

@@ -0,0 +1,68 @@
+import 'package:auto_route/auto_route.dart';
+import 'package:easy_localization/easy_localization.dart';
+import 'package:flutter/material.dart';
+import 'package:hooks_riverpod/hooks_riverpod.dart';
+import 'package:immich_mobile/modules/favorite/providers/favorite_provider.dart';
+import 'package:immich_mobile/modules/favorite/ui/favorite_image.dart';
+import 'package:immich_mobile/modules/settings/providers/app_settings.provider.dart';
+import 'package:immich_mobile/modules/settings/services/app_settings.service.dart';
+
+class FavoritesPage extends HookConsumerWidget {
+  const FavoritesPage({Key? key}) : super(key: key);
+
+  @override
+  Widget build(BuildContext context, WidgetRef ref) {
+    AppBar buildAppBar() {
+      return AppBar(
+        leading: IconButton(
+          onPressed: () => AutoRouter.of(context).pop(),
+          icon: const Icon(Icons.arrow_back_ios_rounded),
+        ),
+        centerTitle: true,
+        automaticallyImplyLeading: false,
+        title: const Text(
+          'favorites_page_title',
+          style: TextStyle(fontSize: 16, fontWeight: FontWeight.bold),
+        ).tr(),
+      );
+    }
+
+    Widget buildImageGrid() {
+      final appSettingService = ref.watch(appSettingsServiceProvider);
+
+      if (ref.watch(favoriteAssetProvider).isNotEmpty) {
+        return SliverPadding(
+          padding: const EdgeInsets.only(top: 10.0),
+          sliver: SliverGrid(
+            gridDelegate: SliverGridDelegateWithFixedCrossAxisCount(
+              crossAxisCount:
+                  appSettingService.getSetting(AppSettingsEnum.tilesPerRow),
+              crossAxisSpacing: 5.0,
+              mainAxisSpacing: 5,
+            ),
+            delegate: SliverChildBuilderDelegate(
+              (
+                BuildContext context,
+                int index,
+              ) {
+                return FavoriteImage(
+                  ref.watch(favoriteAssetProvider)[index],
+                  ref.watch(favoriteAssetProvider),
+                );
+              },
+              childCount: ref.watch(favoriteAssetProvider).length,
+            ),
+          ),
+        );
+      }
+      return const SliverToBoxAdapter();
+    }
+
+    return Scaffold(
+      appBar: buildAppBar(),
+      body: CustomScrollView(
+        slivers: [buildImageGrid()],
+      ),
+    );
+  }
+}

mobile/lib/modules/home/ui/asset_grid/thumbnail_image.dart

@@ -2,6 +2,7 @@ import 'package:auto_route/auto_route.dart';
 import 'package:flutter/material.dart';
 import 'package:flutter/services.dart';
 import 'package:hooks_riverpod/hooks_riverpod.dart';
+import 'package:immich_mobile/modules/favorite/providers/favorite_provider.dart';
 import 'package:immich_mobile/modules/login/providers/authentication.provider.dart';
 import 'package:immich_mobile/routing/router.dart';
 import 'package:immich_mobile/shared/models/asset.dart';
@@ -110,6 +111,16 @@ class ThumbnailImage extends HookConsumerWidget {
                   size: 18,
                 ),
               ),
+            if (ref.watch(favoriteProvider).contains(asset.id))
+              const Positioned(
+                left: 10,
+                bottom: 5,
+                child: Icon(
+                  Icons.star,
+                  color: Colors.white,
+                  size: 18,
+                ),
+              ),
             if (!asset.isImage)
               Positioned(
                 top: 5,

mobile/lib/routing/router.dart

@@ -15,6 +15,7 @@ import 'package:immich_mobile/modules/backup/views/album_preview_page.dart';
 import 'package:immich_mobile/modules/backup/views/backup_album_selection_page.dart';
 import 'package:immich_mobile/modules/backup/views/backup_controller_page.dart';
 import 'package:immich_mobile/modules/backup/views/failed_backup_status_page.dart';
+import 'package:immich_mobile/modules/favorite/views/favorites_page.dart';
 import 'package:immich_mobile/modules/home/views/home_page.dart';
 import 'package:immich_mobile/modules/login/views/change_password_page.dart';
 import 'package:immich_mobile/modules/login/views/login_page.dart';
@@ -55,6 +56,7 @@ part 'router.gr.dart';
     AutoRoute(page: BackupControllerPage, guards: [AuthGuard]),
     AutoRoute(page: SearchResultPage, guards: [AuthGuard]),
     AutoRoute(page: CreateAlbumPage, guards: [AuthGuard]),
+    AutoRoute(page: FavoritesPage, guards: [AuthGuard]),
     CustomRoute<AssetSelectionPageResult?>(
       page: AssetSelectionPage,
       guards: [AuthGuard],

mobile/lib/routing/router.gr.dart

@@ -77,6 +77,10 @@ class _$AppRouter extends RootStackRouter {
               isSharedAlbum: args.isSharedAlbum,
               initialAssets: args.initialAssets));
     },
+    FavoritesRoute.name: (routeData) {
+      return MaterialPageX<dynamic>(
+          routeData: routeData, child: const FavoritesPage());
+    },
     AssetSelectionRoute.name: (routeData) {
       return CustomPage<AssetSelectionPageResult?>(
           routeData: routeData,
@@ -197,6 +201,8 @@ class _$AppRouter extends RootStackRouter {
             path: '/search-result-page', guards: [authGuard]),
         RouteConfig(CreateAlbumRoute.name,
             path: '/create-album-page', guards: [authGuard]),
+        RouteConfig(FavoritesRoute.name,
+            path: '/favorites-page', guards: [authGuard]),
         RouteConfig(AssetSelectionRoute.name,
             path: '/asset-selection-page', guards: [authGuard]),
         RouteConfig(SelectUserForSharingRoute.name,
@@ -386,6 +392,14 @@ class CreateAlbumRouteArgs {
   }
 }
 
+/// generated route for
+/// [FavoritesPage]
+class FavoritesRoute extends PageRouteInfo<void> {
+  const FavoritesRoute() : super(FavoritesRoute.name, path: '/favorites-page');
+
+  static const String name = 'FavoritesRoute';
+}
+
 /// generated route for
 /// [AssetSelectionPage]
 class AssetSelectionRoute extends PageRouteInfo<void> {

mobile/lib/shared/models/asset.dart

@@ -23,7 +23,8 @@ class Asset {
         latitude = remote.exifInfo?.latitude?.toDouble(),
         longitude = remote.exifInfo?.longitude?.toDouble(),
         exifInfo =
-            remote.exifInfo != null ? ExifInfo.fromDto(remote.exifInfo!) : null;
+            remote.exifInfo != null ? ExifInfo.fromDto(remote.exifInfo!) : null,
+        isFavorite = remote.isFavorite;
 
   Asset.local(AssetEntity local, String owner)
       : localId = local.id,
@@ -37,6 +38,7 @@ class Asset {
         deviceId = Hive.box(userInfoBox).get(deviceIdKey),
         ownerId = owner,
         modifiedAt = local.modifiedDateTime.toUtc(),
+        isFavorite = local.isFavorite,
         createdAt = local.createDateTime.toUtc() {
     if (createdAt.year == 1970) {
       createdAt = modifiedAt;
@@ -59,6 +61,7 @@ class Asset {
     required this.fileName,
     this.livePhotoVideoId,
     this.exifInfo,
+    required this.isFavorite,
   });
 
   AssetEntity? _local;
@@ -111,6 +114,8 @@ class Asset {
 
   ExifInfo? exifInfo;
 
+  bool isFavorite;
+
   String get id => isLocal ? localId.toString() : remoteId!;
 
   String get name => p.withoutExtension(fileName);
@@ -150,6 +155,7 @@ class Asset {
     json["height"] = height;
     json["fileName"] = fileName;
     json["livePhotoVideoId"] = livePhotoVideoId;
+    json["isFavorite"] = isFavorite;
     if (exifInfo != null) {
       json["exifInfo"] = exifInfo!.toJson();
     }
@@ -179,6 +185,7 @@ class Asset {
         fileName: json["fileName"],
         livePhotoVideoId: json["livePhotoVideoId"],
         exifInfo: ExifInfo.fromJson(json["exifInfo"]),
+        isFavorite: json["isFavorite"],
       );
     }
     return null;

mobile/lib/shared/providers/asset.provider.dart

@@ -268,6 +268,26 @@ class AssetNotifier extends StateNotifier<AssetsState> {
         .where((a) => a.status == DeleteAssetStatus.SUCCESS)
         .map((a) => a.id);
   }
+
+  Future<bool> toggleFavorite(Asset asset, bool status) async {
+    final newAsset = await _assetService.changeFavoriteStatus(asset, status);
+
+    if (newAsset == null) {
+      log.severe("Change favorite status failed for asset ${asset.id}");
+      return asset.isFavorite;
+    }
+
+    await _updateAssetsState(
+      state.allAssets.map((a) {
+        if (asset.id == a.id) {
+          return Asset.remote(newAsset);
+        }
+        return a;
+      }).toList(),
+    );
+
+    return newAsset.isFavorite;
+  }
 }
 
 final assetProvider = StateNotifierProvider<AssetNotifier, AssetsState>((ref) {

mobile/lib/shared/services/asset.service.dart

@@ -104,4 +104,13 @@ class AssetService {
       return null;
     }
   }
+
+  Future<AssetResponseDto?> updateAsset(Asset asset, UpdateAssetDto updateAssetDto) async {
+    return await _apiService.assetApi.updateAsset(asset.id, updateAssetDto);
+  }
+
+  Future<AssetResponseDto?> changeFavoriteStatus(Asset asset, bool isFavorite) {
+    return updateAsset(asset, UpdateAssetDto(isFavorite: isFavorite));
+  }
+
 }

mobile/test/asset_grid_data_structure_test.dart

@@ -20,6 +20,7 @@ void main() {
         modifiedAt: date,
         durationInSeconds: 0,
         fileName: '',
+        isFavorite: false,
       ),
     );
   }