copy: update DB, favs

lib/model/collection_source.dart

@@ -144,6 +144,7 @@ class CollectionSource {
   }
 
   void removeEntries(Iterable<ImageEntry> entries) async {
+    entries.forEach((entry) => entry.removeFromFavourites());
     _rawEntries.removeWhere(entries.contains);
     eventBus.fire(EntryRemovedEvent(entries));
   }

lib/model/favourite_repo.dart

@@ -17,14 +17,16 @@ class FavouriteRepo {
 
   bool isFavourite(ImageEntry entry) => _rows.any((row) => row.contentId == entry.contentId);
 
-  Future<void> add(ImageEntry entry) async {
-    final newRows = [FavouriteRow(contentId: entry.contentId, path: entry.path)];
+  FavouriteRow _entryToRow(ImageEntry entry) => FavouriteRow(contentId: entry.contentId, path: entry.path);
+
+  Future<void> add(Iterable<ImageEntry> entries) async {
+    final newRows = entries.map(_entryToRow);
     await metadataDb.addFavourites(newRows);
     _rows.addAll(newRows);
   }
 
-  Future<void> remove(ImageEntry entry) async {
-    final removedRows = [FavouriteRow(contentId: entry.contentId, path: entry.path)];
+  Future<void> remove(Iterable<ImageEntry> entries) async {
+    final removedRows = entries.map(_entryToRow);
     await metadataDb.removeFavourites(removedRows);
     removedRows.forEach(_rows.remove);
   }

lib/model/image_entry.dart

@@ -335,10 +335,23 @@ class ImageEntry {
 
   void toggleFavourite() {
     if (isFavourite) {
-      favourites.remove(this);
+      removeFromFavourites();
     } else {
-      favourites.add(this);
+      addToFavourites();
+    }
+  }
+
+  void addToFavourites() {
+    if (!isFavourite) {
+      favourites.add([this]);
+      isFavouriteNotifier.value = true;
+    }
+  }
+
+  void removeFromFavourites() {
+    if (isFavourite) {
+      favourites.remove([this]);
+      isFavouriteNotifier.value = false;
     }
-    isFavouriteNotifier.value = !isFavouriteNotifier.value;
   }
 }

lib/widgets/common/action_delegates/selection_action_delegate.dart

@@ -3,6 +3,7 @@ import 'dart:async';
 import 'package:aves/model/collection_lens.dart';
 import 'package:aves/model/filters/album.dart';
 import 'package:aves/model/image_entry.dart';
+import 'package:aves/model/metadata_db.dart';
 import 'package:aves/services/android_app_service.dart';
 import 'package:aves/services/image_file_service.dart';
 import 'package:aves/widgets/album/app_bar.dart';
@@ -98,20 +99,30 @@ class SelectionActionDelegate with PermissionAwareMixin {
         }
         if (movedCount > 0) {
           if (copy) {
-            collection.source.addAll(movedOps.map((movedOp) {
+            final newEntries = <ImageEntry>[];
+            final newFavs = <ImageEntry>[];
+            movedOps.forEach((movedOp) {
               final sourceUri = movedOp.uri;
               final newFields = movedOp.newFields;
               final sourceEntry = selection.firstWhere((entry) => entry.uri == sourceUri, orElse: () => null);
-              return sourceEntry?.copyWith(
+              final copy = sourceEntry?.copyWith(
                 uri: newFields['uri'] as String,
                 path: newFields['path'] as String,
                 contentId: newFields['contentId'] as int,
               );
-            }));
+              newEntries.add(copy);
+              if (sourceEntry.isFavourite) {
+                newFavs.add(copy);
+              }
+            });
+            collection.source.addAll(newEntries);
+            metadataDb.saveMetadata(newEntries.map((entry) => entry.catalogMetadata));
+            metadataDb.saveAddresses(newEntries.map((entry) => entry.addressDetails));
+            newFavs.forEach((entry) => entry.addToFavourites());
           } else {
             // TODO TLAD update old entries path/dir/ID
+            // TODO TLAD update DB for catalog/address/fav
           }
-          // TODO TLAD update DB for catalog/address/fav
         }
         collection.clearSelection();
         collection.browse();

lib/widgets/fullscreen/fullscreen_body.dart

@@ -413,12 +413,12 @@ class _FullscreenVerticalPageViewState extends State<FullscreenVerticalPageView>
 
   void _registerWidget(FullscreenVerticalPageView widget) {
     widget.verticalPager.addListener(_onVerticalPageControllerChanged);
-    widget.entry.imageChangeNotifier.addListener(_onImageChanged);
+    widget.entry?.imageChangeNotifier?.addListener(_onImageChanged);
   }
 
   void _unregisterWidget(FullscreenVerticalPageView widget) {
     widget.verticalPager.removeListener(_onVerticalPageControllerChanged);
-    widget.entry.imageChangeNotifier.removeListener(_onImageChanged);
+    widget.entry?.imageChangeNotifier?.removeListener(_onImageChanged);
   }
 
   @override