minor fix

lib/model/filters/filters.dart

@@ -31,29 +31,33 @@ abstract class CollectionFilter extends Equatable implements Comparable<Collecti
   ];
 
   static CollectionFilter? fromJson(String jsonString) {
-    final jsonMap = jsonDecode(jsonString);
-    if (jsonMap is Map<String, dynamic>) {
-      final type = jsonMap['type'];
-      switch (type) {
-        case AlbumFilter.type:
-          return AlbumFilter.fromMap(jsonMap);
-        case CoordinateFilter.type:
-          return CoordinateFilter.fromMap(jsonMap);
-        case FavouriteFilter.type:
-          return FavouriteFilter.instance;
-        case LocationFilter.type:
-          return LocationFilter.fromMap(jsonMap);
-        case MimeFilter.type:
-          return MimeFilter.fromMap(jsonMap);
-        case PathFilter.type:
-          return PathFilter.fromMap(jsonMap);
-        case QueryFilter.type:
-          return QueryFilter.fromMap(jsonMap);
-        case TagFilter.type:
-          return TagFilter.fromMap(jsonMap);
-        case TypeFilter.type:
-          return TypeFilter.fromMap(jsonMap);
+    try {
+      final jsonMap = jsonDecode(jsonString);
+      if (jsonMap is Map<String, dynamic>) {
+        final type = jsonMap['type'];
+        switch (type) {
+          case AlbumFilter.type:
+            return AlbumFilter.fromMap(jsonMap);
+          case CoordinateFilter.type:
+            return CoordinateFilter.fromMap(jsonMap);
+          case FavouriteFilter.type:
+            return FavouriteFilter.instance;
+          case LocationFilter.type:
+            return LocationFilter.fromMap(jsonMap);
+          case MimeFilter.type:
+            return MimeFilter.fromMap(jsonMap);
+          case PathFilter.type:
+            return PathFilter.fromMap(jsonMap);
+          case QueryFilter.type:
+            return QueryFilter.fromMap(jsonMap);
+          case TagFilter.type:
+            return TagFilter.fromMap(jsonMap);
+          case TypeFilter.type:
+            return TypeFilter.fromMap(jsonMap);
+        }
       }
+    } catch (error, stack) {
+      debugPrint('failed to parse filter from json=$jsonString error=$error\n$stack');
     }
     debugPrint('failed to parse filter from json=$jsonString');
     return null;

lib/model/source/collection_lens.dart

@@ -37,7 +37,7 @@ class CollectionLens with ChangeNotifier {
 
   CollectionLens({
     required this.source,
-    Iterable<CollectionFilter?>? filters,
+    Set<CollectionFilter?>? filters,
     this.id,
     this.listenToSource = true,
     this.fixedSelection,

lib/widgets/dialogs/cover_selection_dialog.dart

@@ -123,7 +123,7 @@ class _CoverSelectionDialogState extends State<CoverSelectionDialog> {
         builder: (context) => ItemPickDialog(
           collection: CollectionLens(
             source: context.read<CollectionSource>(),
-            filters: [filter],
+            filters: {filter},
           ),
         ),
         fullscreenDialog: true,

lib/widgets/drawer/collection_nav_tile.dart

@@ -50,7 +50,7 @@ class CollectionNavTile extends StatelessWidget {
         builder: (context) => CollectionPage(
           collection: CollectionLens(
             source: context.read<CollectionSource>(),
-            filters: [filter],
+            filters: {filter},
           ),
         ),
       ),

lib/widgets/filter_grids/common/filter_nav_page.dart

@@ -70,7 +70,7 @@ class FilterNavigationPage<T extends CollectionFilter> extends StatelessWidget {
         builder: (context) => CollectionPage(
           collection: CollectionLens(
             source: source,
-            filters: [filter],
+            filters: {filter},
           ),
         ),
       ),

lib/widgets/home_page.dart

@@ -41,7 +41,7 @@ class HomePage extends StatefulWidget {
 class _HomePageState extends State<HomePage> {
   AvesEntry? _viewerEntry;
   String? _shortcutRouteName, _shortcutSearchQuery;
-  List<String>? _shortcutFilters;
+  Set<String>? _shortcutFilters;
 
   static const allowedShortcutRoutes = [CollectionPage.routeName, AlbumListPage.routeName, SearchPage.routeName];
 
@@ -108,7 +108,7 @@ class _HomePageState extends State<HomePage> {
             _shortcutRouteName = extraRoute;
           }
           final extraFilters = intentData['filters'];
-          _shortcutFilters = extraFilters != null ? (extraFilters as List).cast<String>() : null;
+          _shortcutFilters = extraFilters != null ? (extraFilters as List).cast<String>().toSet() : null;
       }
     }
     context.read<ValueNotifier<AppMode>>().value = appMode;
@@ -152,12 +152,12 @@ class _HomePageState extends State<HomePage> {
     }
 
     String routeName;
-    Iterable<CollectionFilter?>? filters;
+    Set<CollectionFilter?>? filters;
     if (appMode == AppMode.pickExternal) {
       routeName = CollectionPage.routeName;
     } else {
       routeName = _shortcutRouteName ?? settings.homePage.routeName;
-      filters = (_shortcutFilters ?? []).map(CollectionFilter.fromJson);
+      filters = (_shortcutFilters ?? {}).map(CollectionFilter.fromJson).toSet();
     }
     final source = context.read<CollectionSource>();
     switch (routeName) {

lib/widgets/search/search_delegate.dart

@@ -259,7 +259,7 @@ class CollectionSearchDelegate {
         builder: (context) => CollectionPage(
           collection: CollectionLens(
             source: source,
-            filters: [filter],
+            filters: {filter},
           ),
         ),
       ),

lib/widgets/stats/stats_page.dart

@@ -295,7 +295,7 @@ class StatsPage extends StatelessWidget {
         builder: (context) => CollectionPage(
           collection: CollectionLens(
             source: source,
-            filters: [filter],
+            filters: {filter},
           ),
         ),
       ),