Fix startup sync results not propagated to main isolate

app/lib/controller/files_controller.dart

@@ -13,6 +13,7 @@ import 'package:nc_photos/entity/file_util.dart' as file_util;
 import 'package:nc_photos/progress_util.dart';
 import 'package:nc_photos/rx_extension.dart';
 import 'package:nc_photos/use_case/file/list_file.dart';
+import 'package:nc_photos/use_case/find_file_descriptor.dart';
 import 'package:nc_photos/use_case/remove.dart';
 import 'package:nc_photos/use_case/sync_dir.dart';
 import 'package:nc_photos/use_case/update_property.dart';
@@ -20,6 +21,7 @@ import 'package:np_codegen/np_codegen.dart';
 import 'package:np_common/lazy.dart';
 import 'package:np_common/object_util.dart';
 import 'package:np_common/or_null.dart';
+import 'package:np_db/np_db.dart';
 import 'package:rxdart/rxdart.dart';
 import 'package:to_string/to_string.dart';
 
@@ -233,6 +235,69 @@ class FilesController {
     }
   }
 
+  Future<void> applySyncResult({
+    DbSyncIdResult? favorites,
+    List<int>? fileExifs,
+  }) async {
+    if (favorites?.isNotEmpty != true && fileExifs?.isNotEmpty != true) {
+      return;
+    }
+
+    // do async ops first
+    final fileExifFiles =
+        await fileExifs?.letFuture((e) async => await FindFileDescriptor(_c)(
+              account,
+              e,
+              onFileNotFound: (id) {
+                _log.warning("[applySyncResult] File id not found: $id");
+              },
+            ));
+
+    final next = LinkedHashMap.of(_dataStreamController.value.files);
+    if (favorites != null && favorites.isNotEmpty) {
+      _applySyncFavoriteResult(next, favorites);
+    }
+    if (fileExifFiles != null && fileExifFiles.isNotEmpty) {
+      _applySyncFileExifResult(next, fileExifFiles);
+    }
+    _dataStreamController.addWithValue((value) => value.copyWith(files: next));
+  }
+
+  void _applySyncFavoriteResult(
+      Map<int, FileDescriptor> next, DbSyncIdResult result) {
+    for (final id in result.insert) {
+      final f = next[id];
+      if (f == null) {
+        _log.warning("[_applySyncFavoriteResult] File id not found: $id");
+        continue;
+      }
+      if (f is File) {
+        next[id] = f.copyWith(isFavorite: true);
+      } else {
+        next[id] = f.copyWith(fdIsFavorite: true);
+      }
+    }
+    for (final id in result.delete) {
+      final f = next[id];
+      if (f == null) {
+        _log.warning("[_applySyncFavoriteResult] File id not found: $id");
+        continue;
+      }
+      if (f is File) {
+        next[id] = f.copyWith(isFavorite: false);
+      } else {
+        next[id] = f.copyWith(fdIsFavorite: false);
+      }
+    }
+  }
+
+  void _applySyncFileExifResult(
+      Map<int, FileDescriptor> next, List<FileDescriptor> results) {
+    for (final f in results) {
+      next[f.fdId] = f;
+    }
+  }
+
   Future<void> _load() async {
     var lastData = _FilesStreamEvent(
       files: const {},

app/lib/controller/sync_controller.dart

@@ -2,6 +2,8 @@ import 'dart:async';
 
 import 'package:flutter/material.dart';
 import 'package:nc_photos/account.dart';
+import 'package:nc_photos/controller/files_controller.dart';
+import 'package:nc_photos/controller/persons_controller.dart';
 import 'package:nc_photos/entity/person.dart';
 import 'package:nc_photos/use_case/startup_sync.dart';
 
@@ -15,14 +17,19 @@ class SyncController {
     _isDisposed = true;
   }
 
-  Future<void> requestSync(
-      Account account, PersonProvider personProvider) async {
+  Future<void> requestSync({
+    required Account account,
+    required FilesController filesController,
+    required PersonsController personsController,
+    required PersonProvider personProvider,
+  }) async {
     if (_isDisposed) {
       return;
     }
     if (_syncCompleter == null) {
       _syncCompleter = Completer();
-      final result = await StartupSync.runInIsolate(account, personProvider);
+      final result = await StartupSync.runInIsolate(
+          account, filesController, personsController, personProvider);
       if (!_isDisposed && result.isSyncPersonUpdated) {
         onPeopleUpdated?.call();
       }
@@ -32,15 +39,23 @@ class SyncController {
     }
   }
 
-  Future<void> requestResync(
-      Account account, PersonProvider personProvider) async {
+  Future<void> requestResync({
+    required Account account,
+    required FilesController filesController,
+    required PersonsController personsController,
+    required PersonProvider personProvider,
+  }) async {
     if (_syncCompleter?.isCompleted == true) {
       _syncCompleter = null;
-      return requestSync(account, personProvider);
     } else {
       // already syncing
-      return requestSync(account, personProvider);
     }
+    return requestSync(
+      account: account,
+      filesController: filesController,
+      personsController: personsController,
+      personProvider: personProvider,
+    );
   }
 
   final Account account;

app/lib/use_case/cache_favorite.dart

@@ -6,6 +6,7 @@ import 'package:nc_photos/db/entity_converter.dart';
 import 'package:nc_photos/di_container.dart';
 import 'package:nc_photos/event/event.dart';
 import 'package:np_codegen/np_codegen.dart';
+import 'package:np_db/np_db.dart';
 
 part 'cache_favorite.g.dart';
 
@@ -15,18 +16,18 @@ class CacheFavorite {
 
   /// Cache favorites using results from remote
   ///
-  /// Return number of files updated
-  Future<int> call(Account account, Iterable<int> remoteFileIds) async {
+  /// Return the fileIds of the affected files
+  Future<DbSyncIdResult> call(
+      Account account, Iterable<int> remoteFileIds) async {
     _log.info("[call] Cache favorites");
     final result = await _c.npDb.syncFavoriteFiles(
       account: account.toDb(),
       favoriteFileIds: remoteFileIds.toList(),
     );
-    final count = result.insert + result.delete + result.update;
-    if (count > 0) {
+    if (result.isNotEmpty) {
       KiwiContainer().resolve<EventBus>().fire(FavoriteResyncedEvent(account));
     }
-    return count;
+    return result;
   }
 
   final DiContainer _c;

app/lib/use_case/startup_sync.dart

@@ -7,6 +7,8 @@ import 'package:logging/logging.dart';
 import 'package:mutex/mutex.dart';
 import 'package:nc_photos/account.dart';
 import 'package:nc_photos/app_init.dart' as app_init;
+import 'package:nc_photos/controller/files_controller.dart';
+import 'package:nc_photos/controller/persons_controller.dart';
 import 'package:nc_photos/di_container.dart';
 import 'package:nc_photos/entity/person.dart';
 import 'package:nc_photos/event/event.dart';
@@ -14,8 +16,11 @@ import 'package:nc_photos/use_case/person/sync_person.dart';
 import 'package:nc_photos/use_case/sync_favorite.dart';
 import 'package:nc_photos/use_case/sync_tag.dart';
 import 'package:np_codegen/np_codegen.dart';
+import 'package:np_common/object_util.dart';
 import 'package:np_common/type.dart';
+import 'package:np_db/np_db.dart';
 import 'package:np_platform_util/np_platform_util.dart';
+import 'package:to_string/to_string.dart';
 
 part 'startup_sync.g.dart';
 
@@ -28,7 +33,11 @@ class StartupSync {
 
   /// Sync in a background isolate
   static Future<SyncResult> runInIsolate(
-      Account account, PersonProvider personProvider) async {
+    Account account,
+    FilesController filesController,
+    PersonsController personsController,
+    PersonProvider personProvider,
+  ) async {
     return _mutex.protect(() async {
       if (getRawPlatform() == NpPlatform.web) {
         // not supported on web
@@ -42,7 +51,7 @@ class StartupSync {
         final result = SyncResult.fromJson(resultJson);
         // events fired in background isolate won't be noticed by the main isolate,
         // so we fire them again here
-        _broadcastResult(account, result);
+        _broadcastResult(account, filesController, personsController, result);
         return result;
       }
     });
@@ -52,16 +61,16 @@ class StartupSync {
       Account account, PersonProvider personProvider) async {
     _log.info("[_run] Begin sync");
     final stopwatch = Stopwatch()..start();
-    late final int syncFavoriteCount;
-    late final bool isSyncPersonUpdated;
+    DbSyncIdResult? syncFavoriteResult;
+    DbSyncIdResult? syncTagResult;
+    var isSyncPersonUpdated = false;
     try {
-      syncFavoriteCount = await SyncFavorite(_c)(account);
+      syncFavoriteResult = await SyncFavorite(_c)(account);
     } catch (e, stackTrace) {
       _log.shout("[_run] Failed while SyncFavorite", e, stackTrace);
-      syncFavoriteCount = -1;
     }
     try {
-      await SyncTag(_c)(account);
+      syncTagResult = await SyncTag(_c)(account);
     } catch (e, stackTrace) {
       _log.shout("[_run] Failed while SyncTag", e, stackTrace);
     }
@@ -72,16 +81,28 @@ class StartupSync {
     }
     _log.info("[_run] Elapsed time: ${stopwatch.elapsedMilliseconds}ms");
     return SyncResult(
-      syncFavoriteCount: syncFavoriteCount,
+      syncFavoriteResult: syncFavoriteResult,
+      syncTagResult: syncTagResult,
       isSyncPersonUpdated: isSyncPersonUpdated,
     );
   }
 
-  static void _broadcastResult(Account account, SyncResult result) {
-    final eventBus = KiwiContainer().resolve<EventBus>();
-    if (result.syncFavoriteCount > 0) {
+  static void _broadcastResult(
+    Account account,
+    FilesController filesController,
+    PersonsController personsController,
+    SyncResult result,
+  ) {
+    _$StartupSyncNpLog.log.info('[_broadcastResult] $result');
+    if (result.syncFavoriteResult != null) {
+      filesController.applySyncResult(favorites: result.syncFavoriteResult!);
+      // legacy
+      final eventBus = KiwiContainer().resolve<EventBus>();
       eventBus.fire(FavoriteResyncedEvent(account));
     }
+    if (result.isSyncPersonUpdated) {
+      personsController.reload();
+    }
   }
 
   final DiContainer _c;
@@ -89,23 +110,35 @@ class StartupSync {
   static final _mutex = Mutex();
 }
 
+@toString
 class SyncResult {
   const SyncResult({
-    required this.syncFavoriteCount,
+    required this.syncFavoriteResult,
+    required this.syncTagResult,
     required this.isSyncPersonUpdated,
   });
 
   factory SyncResult.fromJson(JsonObj json) => SyncResult(
-        syncFavoriteCount: json["syncFavoriteCount"],
+        syncFavoriteResult: (json["syncFavoriteResult"] as Map?)
+            ?.cast<String, dynamic>()
+            .let(DbSyncIdResult.fromJson),
+        syncTagResult: (json["syncTagResult"] as Map?)
+            ?.cast<String, dynamic>()
+            .let(DbSyncIdResult.fromJson),
         isSyncPersonUpdated: json["isSyncPersonUpdated"],
       );
 
   JsonObj toJson() => {
-        "syncFavoriteCount": syncFavoriteCount,
+        "syncFavoriteResult": syncFavoriteResult?.toJson(),
+        "syncTagResult": syncTagResult?.toJson(),
         "isSyncPersonUpdated": isSyncPersonUpdated,
       };
 
-  final int syncFavoriteCount;
+  @override
+  String toString() => _$toString();
+
+  final DbSyncIdResult? syncFavoriteResult;
+  final DbSyncIdResult? syncTagResult;
   final bool isSyncPersonUpdated;
 }
 

app/lib/use_case/startup_sync.g.dart

@@ -12,3 +12,14 @@ extension _$StartupSyncNpLog on StartupSync {
 
   static final log = Logger("use_case.startup_sync.StartupSync");
 }
+
+// **************************************************************************
+// ToStringGenerator
+// **************************************************************************
+
+extension _$SyncResultToString on SyncResult {
+  String _$toString() {
+    // ignore: unnecessary_string_interpolations
+    return "SyncResult {syncFavoriteResult: $syncFavoriteResult, syncTagResult: $syncTagResult, isSyncPersonUpdated: $isSyncPersonUpdated}";
+  }
+}

app/lib/use_case/sync_favorite.dart

@@ -6,6 +6,7 @@ import 'package:nc_photos/entity/file_util.dart' as file_util;
 import 'package:nc_photos/entity/pref.dart';
 import 'package:nc_photos/use_case/cache_favorite.dart';
 import 'package:np_codegen/np_codegen.dart';
+import 'package:np_db/np_db.dart';
 
 part 'sync_favorite.g.dart';
 
@@ -18,7 +19,7 @@ class SyncFavorite {
   /// Sync favorites in cache db with remote server
   ///
   /// Return number of files updated
-  Future<int> call(Account account) async {
+  Future<DbSyncIdResult> call(Account account) async {
     _log.info("[call] Sync favorites with remote");
     final remote = await _getRemoteFavoriteFileIds(account);
     return await CacheFavorite(_c)(account, remote);

app/lib/use_case/sync_tag.dart

@@ -3,6 +3,7 @@ import 'package:nc_photos/account.dart';
 import 'package:nc_photos/db/entity_converter.dart';
 import 'package:nc_photos/di_container.dart';
 import 'package:np_codegen/np_codegen.dart';
+import 'package:np_db/np_db.dart';
 
 part 'sync_tag.g.dart';
 
@@ -11,13 +12,16 @@ class SyncTag {
   const SyncTag(this._c);
 
   /// Sync tags in cache db with remote server
-  Future<void> call(Account account) async {
+  ///
+  /// Return tagIds of the affected tags
+  Future<DbSyncIdResult> call(Account account) async {
     _log.info("[call] Sync tags with remote");
     final remote = await _c.tagRepoRemote.list(account);
-    await _c.npDb.syncTags(
+    final result = await _c.npDb.syncTags(
       account: account.toDb(),
       tags: remote.map(DbTagConverter.toDb).toList(),
     );
+    return result;
   }
 
   final DiContainer _c;

app/lib/widget/home_photos.dart

@@ -609,7 +609,11 @@ class _HomePhotosState extends State<HomePhotos>
             if (isPostSuccess) {
               _isScrollbarVisible = true;
               context.read<AccountController>().syncController.requestSync(
-                  widget.account, _accountPrefController.personProvider.value);
+                    account: widget.account,
+                    filesController: context.read(),
+                    personsController: context.read(),
+                    personProvider: _accountPrefController.personProvider.value,
+                  );
               _tryStartMetadataTask(context);
             }
           });

app/lib/widget/home_photos/bloc.dart

@@ -10,6 +10,8 @@ class _Bloc extends Bloc<_Event, _State> with BlocLogger {
     required this.accountPrefController,
     required this.collectionsController,
     required this.sessionController,
+    required this.syncController,
+    required this.personsController,
   }) : super(_State.init(
           zoom: prefController.homePhotosZoomLevel.value,
           isEnableMemoryCollection:
@@ -142,6 +144,12 @@ class _Bloc extends Bloc<_Event, _State> with BlocLogger {
       memoryCollections: ev.memoryCollections,
       isLoading: _itemTransformerQueue.isProcessing,
     ));
+    syncController.requestSync(
+      account: account,
+      filesController: controller,
+      personsController: personsController,
+      personProvider: accountPrefController.personProvider.value,
+    );
     _tryStartMetadataTask();
   }
 
@@ -403,6 +411,8 @@ class _Bloc extends Bloc<_Event, _State> with BlocLogger {
   final AccountPrefController accountPrefController;
   final CollectionsController collectionsController;
   final SessionController sessionController;
+  final SyncController syncController;
+  final PersonsController personsController;
 
   final _itemTransformerQueue =
       ComputeQueue<_ItemTransformerArgument, _ItemTransformerResult>();

app/lib/widget/home_photos2.dart

@@ -18,8 +18,10 @@ import 'package:nc_photos/controller/account_controller.dart';
 import 'package:nc_photos/controller/account_pref_controller.dart';
 import 'package:nc_photos/controller/collections_controller.dart';
 import 'package:nc_photos/controller/files_controller.dart';
+import 'package:nc_photos/controller/persons_controller.dart';
 import 'package:nc_photos/controller/pref_controller.dart';
 import 'package:nc_photos/controller/session_controller.dart';
+import 'package:nc_photos/controller/sync_controller.dart';
 import 'package:nc_photos/db/entity_converter.dart';
 import 'package:nc_photos/di_container.dart';
 import 'package:nc_photos/download_handler.dart';
@@ -87,6 +89,8 @@ class HomePhotos2 extends StatelessWidget {
         accountPrefController: accountController.accountPrefController,
         collectionsController: accountController.collectionsController,
         sessionController: accountController.sessionController,
+        syncController: accountController.syncController,
+        personsController: accountController.personsController,
       ),
       child: const _WrappedHomePhotos(),
     );

app/lib/widget/settings/account_settings.dart

@@ -109,8 +109,12 @@ class _WrappedAccountSettingsState extends State<_WrappedAccountSettings>
     if (_bloc.state.shouldResync &&
         _bloc.state.personProvider != PersonProvider.none) {
       _log.fine("[dispose] Requesting to resync account");
-      _accountController.syncController
-          .requestResync(_bloc.state.account, _bloc.state.personProvider);
+      _accountController.syncController.requestResync(
+        account: _bloc.state.account,
+        filesController: context.read(),
+        personsController: context.read(),
+        personProvider: _bloc.state.personProvider,
+      );
     }
     _animationController.dispose();
     super.dispose();

np_db/lib/src/api.dart

@@ -49,6 +49,36 @@ class DbSyncResult {
   final int update;
 }
 
+/// Sync results with ids
+///
+/// The meaning of the ids returned depends on the specific call
+class DbSyncIdResult {
+  const DbSyncIdResult({
+    required this.insert,
+    required this.delete,
+    required this.update,
+  });
+
+  factory DbSyncIdResult.fromJson(JsonObj json) => DbSyncIdResult(
+        insert: (json["insert"] as List).cast<int>(),
+        delete: (json["delete"] as List).cast<int>(),
+        update: (json["update"] as List).cast<int>(),
+      );
+
+  JsonObj toJson() => {
+        "insert": insert,
+        "delete": delete,
+        "update": update,
+      };
+
+  bool get isEmpty => insert.isEmpty && delete.isEmpty && update.isEmpty;
+  bool get isNotEmpty => !isEmpty;
+
+  final List<int> insert;
+  final List<int> delete;
+  final List<int> update;
+}
+
 @toString
 class DbLocationGroup with EquatableMixin {
   const DbLocationGroup({
@@ -235,7 +265,9 @@ abstract class NpDb {
   });
 
   /// Add or replace nc albums in db
-  Future<DbSyncResult> syncFavoriteFiles({
+  ///
+  /// Return fileIds affected by this call
+  Future<DbSyncIdResult> syncFavoriteFiles({
     required DbAccount account,
     required List<int> favoriteFileIds,
   });
@@ -374,7 +406,7 @@ abstract class NpDb {
   });
 
   /// Replace all tags for [account]
-  Future<DbSyncResult> syncTags({
+  Future<DbSyncIdResult> syncTags({
     required DbAccount account,
     required List<DbTag> tags,
   });

np_db_sqlite/lib/src/sqlite_api.dart

@@ -337,7 +337,7 @@ class NpDbSqlite implements NpDb {
   }
 
   @override
-  Future<DbSyncResult> syncFavoriteFiles({
+  Future<DbSyncIdResult> syncFavoriteFiles({
     required DbAccount account,
     required List<int> favoriteFileIds,
   }) async {
@@ -370,10 +370,10 @@ class NpDbSqlite implements NpDb {
           isFavorite: const OrNull(false),
         );
       }
-      return DbSyncResult(
-        insert: inserts.length,
-        delete: deletes.length,
-        update: 0,
+      return DbSyncIdResult(
+        insert: inserts,
+        delete: deletes,
+        update: const [],
       );
     });
   }
@@ -834,7 +834,7 @@ class NpDbSqlite implements NpDb {
   }
 
   @override
-  Future<DbSyncResult> syncTags({
+  Future<DbSyncIdResult> syncTags({
     required DbAccount account,
     required List<DbTag> tags,
   }) async {
@@ -863,10 +863,10 @@ class NpDbSqlite implements NpDb {
           updates: updates,
         );
       }
-      return DbSyncResult(
-        insert: inserts.length,
-        delete: deletes.length,
-        update: updates.length,
+      return DbSyncIdResult(
+        insert: inserts.map((e) => e.id).toList(),
+        delete: deletes.map((e) => e.id).toList(),
+        update: updates.map((e) => e.id).toList(),
       );
     });
   }