TF-3712 Update chosen language to server settings

lib/features/manage_account/domain/state/save_language_to_server_settings_state.dart

@@ -0,0 +1,18 @@
+import 'package:core/presentation/state/failure.dart';
+import 'package:core/presentation/state/success.dart';
+import 'package:flutter/widgets.dart';
+
+class SavingLanguageToServerSettings extends LoadingState {}
+
+class SaveLanguageToServerSettingsSuccess extends UIState {
+  SaveLanguageToServerSettingsSuccess(this.locale);
+
+  final Locale locale;
+
+  @override
+  List<Object?> get props => [locale];
+}
+
+class SaveLanguageToServerSettingsFailure extends FeatureFailure {
+  SaveLanguageToServerSettingsFailure({super.exception});
+}

lib/features/manage_account/domain/usecases/save_language_to_server_settings_interactor.dart

@@ -0,0 +1,39 @@
+import 'package:core/presentation/state/failure.dart';
+import 'package:core/presentation/state/success.dart';
+import 'package:core/utils/app_logger.dart';
+import 'package:dartz/dartz.dart';
+import 'package:flutter/widgets.dart';
+import 'package:jmap_dart_client/jmap/account_id.dart';
+import 'package:server_settings/server_settings/tmail_server_settings.dart';
+import 'package:tmail_ui_user/features/manage_account/domain/state/save_language_to_server_settings_state.dart';
+import 'package:tmail_ui_user/features/server_settings/domain/repository/server_settings_repository.dart';
+
+class SaveLanguageToServerSettingsInteractor {
+  const SaveLanguageToServerSettingsInteractor(this._serverSettingsRepository);
+
+  final ServerSettingsRepository _serverSettingsRepository;
+
+  Stream<Either<Failure, Success>> execute(
+    AccountId accountId,
+    Locale locale,
+  ) async* {
+    try {
+      yield Right(SavingLanguageToServerSettings());
+      final currentSettings = await _serverSettingsRepository.getServerSettings(accountId);
+      final newSettings = TMailServerSettings(
+        id: currentSettings.id,
+        settings: currentSettings.settings?.copyWith(
+          language: locale.languageCode,
+        ) ?? TMailServerSettingOptions(language: locale.languageCode),
+      );
+      await _serverSettingsRepository.updateServerSettings(
+        accountId,
+        TMailServerSettings(settings: newSettings.settings),
+      );
+      yield Right(SaveLanguageToServerSettingsSuccess(locale));
+    } catch (e) {
+      logError('SaveLanguageToServerSettingsInteractor::execute(): $e');
+      yield Left(SaveLanguageToServerSettingsFailure(exception: e));
+    }
+  }
+}

lib/features/manage_account/presentation/language_and_region/language_and_region_bindings.dart

@@ -1,33 +1,47 @@
 import 'package:get/get.dart';
 import 'package:tmail_ui_user/features/base/base_bindings.dart';
-import 'package:tmail_ui_user/features/manage_account/domain/repository/preferences_repository.dart';
 import 'package:tmail_ui_user/features/manage_account/domain/usecases/save_language_interactor.dart';
+import 'package:tmail_ui_user/features/manage_account/domain/usecases/save_language_to_server_settings_interactor.dart';
 import 'package:tmail_ui_user/features/manage_account/presentation/language_and_region/language_and_region_controller.dart';
+import 'package:tmail_ui_user/features/manage_account/presentation/preferences/bindings/preferences_interactors_bindings.dart';
+import 'package:tmail_ui_user/features/server_settings/domain/repository/server_settings_repository.dart';
 
 class LanguageAndRegionBindings extends BaseBindings {
 
   @override
-  void bindingsController() {
-    Get.lazyPut(() => LanguageAndRegionController(Get.find<SaveLanguageInteractor>()));
-  }
+  void dependencies() {
+    PreferencesInteractorsBindings().dependencies();
 
+    super.dependencies();
+  }
+  
+  @override
+  void bindingsController() {
+    Get.lazyPut(() => LanguageAndRegionController(
+      Get.find<SaveLanguageInteractor>(),
+      Get.find<SaveLanguageToServerSettingsInteractor>(),
+    ));
+  }
+  
   @override
   void bindingsDataSource() {
   }
-
+  
   @override
   void bindingsDataSourceImpl() {
   }
-
+  
   @override
   void bindingsInteractor() {
-    Get.lazyPut(() => SaveLanguageInteractor(Get.find<PreferencesRepository>()));
+    Get.lazyPut(
+      () => SaveLanguageToServerSettingsInteractor(Get.find<ServerSettingsRepository>()),
+    );
   }
-
+  
   @override
   void bindingsRepository() {
   }
-
+  
   @override
   void bindingsRepositoryImpl() {
   }

lib/features/manage_account/presentation/language_and_region/language_and_region_controller.dart

@@ -4,20 +4,31 @@ import 'dart:ui';
 import 'package:core/presentation/state/success.dart';
 import 'package:core/utils/app_logger.dart';
 import 'package:get/get.dart';
+import 'package:server_settings/server_settings/capability_server_settings.dart';
 import 'package:tmail_ui_user/features/base/base_controller.dart';
+import 'package:tmail_ui_user/features/home/domain/extensions/session_extensions.dart';
 import 'package:tmail_ui_user/features/manage_account/domain/state/save_language_state.dart';
 import 'package:tmail_ui_user/features/manage_account/domain/usecases/save_language_interactor.dart';
+import 'package:tmail_ui_user/features/manage_account/domain/usecases/save_language_to_server_settings_interactor.dart';
+import 'package:tmail_ui_user/features/manage_account/presentation/manage_account_dashboard_controller.dart';
+import 'package:tmail_ui_user/main/error/capability_validator.dart';
 import 'package:tmail_ui_user/main/localizations/localization_service.dart';
 
 class LanguageAndRegionController extends BaseController {
 
   final SaveLanguageInteractor _saveLanguageInteractor;
+  final SaveLanguageToServerSettingsInteractor saveLanguageToServerSettingsInteractor;
 
   final listSupportedLanguages = <Locale>[].obs;
   final languageSelected = LocalizationService.defaultLocale.obs;
   final isLanguageMenuOverlayOpen = RxBool(false);
 
-  LanguageAndRegionController(this._saveLanguageInteractor);
+  final manageAccountDashBoardController = Get.find<ManageAccountDashBoardController>();
+
+  LanguageAndRegionController(
+    this._saveLanguageInteractor,
+    this.saveLanguageToServerSettingsInteractor,
+  );
 
   @override
   void onReady() {
@@ -53,6 +64,18 @@ class LanguageAndRegionController extends BaseController {
 
   void _saveLanguage(Locale localeCurrent) {
     consumeState(_saveLanguageInteractor.execute(localeCurrent));
+
+    final session = manageAccountDashBoardController.sessionCurrent;
+    final accountId = manageAccountDashBoardController.accountId.value;
+    if (accountId == null ||
+        session == null ||
+        !capabilityServerSettings.isSupported(session, accountId) ||
+        session.isLanguageReadOnly(accountId)) return;
+
+    consumeState(saveLanguageToServerSettingsInteractor.execute(
+      accountId,
+      localeCurrent,
+    ));
   }
 
   void toggleLanguageMenuOverlay() {