feat: reset locale to system default from language settings, removed dead code theme_picker code

lib/config/app_controller/app_controller.dart

@@ -2,6 +2,7 @@ import 'package:flutter/material.dart';
 import 'package:material_color_utilities/material_color_utilities.dart'
     as color_utils;
 import 'package:selfprivacy/config/get_it_config.dart';
+import 'package:selfprivacy/config/localization.dart';
 import 'package:selfprivacy/config/preferences_repository/preferences_repository.dart';
 
 /// A class that many Widgets can interact with to read current app
@@ -45,18 +46,10 @@ class AppController with ChangeNotifier {
       : darkThemeModeActive
           ? ThemeMode.dark
           : ThemeMode.light;
-  // // Make ThemeMode a private variable so it is not updated directly without
-  // // also persisting the changes with the repo..
-  // late ThemeMode _themeMode;
-  // // Allow Widgets to read the user's preferred ThemeMode.
-  // ThemeMode get themeMode => _themeMode;
 
   late bool _shouldShowOnboarding;
   bool get shouldShowOnboarding => _shouldShowOnboarding;
 
-  /// Load the user's settings from the SettingsService. It may load from a
-  /// local database or the internet. The controller only knows it can load the
-  /// settings from the service.
   Future<void> init({
     // required final AppPreferencesRepository repo,
     required final ThemeData lightThemeData,
@@ -68,12 +61,17 @@ class AppController with ChangeNotifier {
     await Future.wait(<Future>[
       // load locale
       () async {
-        _supportedLocales = await _repo.getSupportedLocales();
+        _supportedLocales = [
+          Localization.systemLocale,
+          ...await _repo.getSupportedLocales(),
+        ];
 
         _locale = await _repo.getActiveLocale();
-        // preset value to other state holders
-        await _apiConfigModel.setLocaleCode(_locale.languageCode);
-        await _repo.setDelegateLocale(_locale);
+        if (_locale != Localization.systemLocale) {
+          // preset value to other state holders
+          await _apiConfigModel.setLocaleCode(_locale.languageCode);
+          await _repo.setDelegateLocale(_locale);
+        }
       }(),
 
       // load theme mode && initialize theme
@@ -81,7 +79,6 @@ class AppController with ChangeNotifier {
         _lightTheme = lightThemeData;
         _darkTheme = darkThemeData;
         _corePalette = colorPalette;
-        // _themeMode = await _repo.getThemeMode();
         _darkThemeModeActive = await _repo.getDarkThemeModeFlag();
         _systemThemeModeActive = await _repo.getSystemThemeModeFlag();
       }(),
@@ -98,7 +95,6 @@ class AppController with ChangeNotifier {
   }
 
   // updateRepoReference
-
   Future<void> setShouldShowOnboarding(final bool newValue) async {
     // Do not perform any work if new and old flag values are identical
     if (newValue == shouldShowOnboarding) {
@@ -107,7 +103,6 @@ class AppController with ChangeNotifier {
 
     // Store the flag in memory
     _shouldShowOnboarding = newValue;
-
     notifyListeners();
 
     // Persist the change
@@ -146,23 +141,6 @@ class AppController with ChangeNotifier {
     await _repo.setDarkThemeModeFlag(newValue);
   }
 
-  // /// Update and persist the ThemeMode based on the user's selection.
-  // Future<void> setThemeMode(final ThemeMode newThemeMode) async {
-  //   // Do not perform any work if new and old ThemeMode are identical
-  //   if (newThemeMode == themeMode) {
-  //     return;
-  //   }
-
-  //   // Store the new ThemeMode in memory
-  //   _themeMode = newThemeMode;
-
-  //   // Inform listeners a change has occurred.
-  //   notifyListeners();
-
-  //   // Persist the change
-  //   await _repo.setThemeMode(newThemeMode);
-  // }
-
   Future<void> setLocale(final Locale newLocale) async {
     // Do not perform any work if new and old Locales are identical
     if (newLocale == _locale) {
@@ -172,6 +150,10 @@ class AppController with ChangeNotifier {
     // Store the new Locale in memory
     _locale = newLocale;
 
+    if (newLocale == Localization.systemLocale) {
+      return resetLocale();
+    }
+
     /// update locale delegate, which in turn should update deps
     await _repo.setDelegateLocale(newLocale);
 
@@ -180,4 +162,14 @@ class AppController with ChangeNotifier {
     // Update other locale holders
     await _apiConfigModel.setLocaleCode(newLocale.languageCode);
   }
+
+  Future<void> resetLocale() async {
+    /// update locale delegate, which in turn should update deps
+    await _repo.resetDelegateLocale();
+
+    // Persist the change
+    await _repo.resetActiveLocale();
+    // Update other locale holders
+    await _apiConfigModel.resetLocaleCode();
+  }
 }

lib/config/localization.dart

@@ -7,6 +7,9 @@ class Localization extends StatelessWidget {
     super.key,
   });
 
+  /// value for resetting locale in settings to system default
+  static const systemLocale = Locale('system');
+
   // when adding new locale, add corresponding native language name to mapper
   // below
   static const supportedLocales = [
@@ -34,6 +37,7 @@ class Localization extends StatelessWidget {
 
   // https://en.wikipedia.org/wiki/IETF_language_tag#List_of_common_primary_language_subtags
   static final _languageNames = {
+    systemLocale: 'System default',
     const Locale('ar'): 'العربية',
     const Locale('az'): 'Azərbaycan',
     const Locale('be'): 'беларуская',

lib/config/preferences_repository/datasources/preferences_datasource.dart

@@ -29,8 +29,5 @@ abstract class PreferencesDataSource {
   Future<String?> getLocale();
 
   /// locale, as set by user
-  ///
-  ///
-  /// when null, app takes system locale
-  Future<void> setLocale(final String newLocale);
+  Future<void> setLocale(final String? newLocale);
 }

lib/config/preferences_repository/datasources/preferences_hive_datasource.dart

@@ -34,6 +34,7 @@ class PreferencesHiveDataSource implements PreferencesDataSource {
   Future<String?> getLocale() async => _appSettingsBox.get(BNames.appLocale);
 
   @override
-  Future<void> setLocale(final String newLocale) async =>
-      _appSettingsBox.put(BNames.appLocale, newLocale);
+  Future<void> setLocale(final String? newLocale) async => newLocale == null
+      ? _appSettingsBox.delete(BNames.appLocale)
+      : _appSettingsBox.put(BNames.appLocale, newLocale);
 }

lib/config/preferences_repository/inherited_preferences_repository.dart

@@ -50,6 +50,7 @@ class _InheritedPreferencesRepositoryState
     repo = PreferencesRepository(
       dataSource: widget.dataSource,
       setDelegateLocale: EasyLocalization.of(context)!.setLocale,
+      resetDelegateLocale: EasyLocalization.of(context)!.resetLocale,
       getDelegateLocale: () => EasyLocalization.of(context)!.locale,
       getSupportedLocales: () => EasyLocalization.of(context)!.supportedLocales,
     );

lib/config/preferences_repository/preferences_repository.dart

@@ -1,6 +1,7 @@
 import 'dart:async';
 
 import 'package:flutter/material.dart';
+import 'package:selfprivacy/config/localization.dart';
 import 'package:selfprivacy/config/preferences_repository/datasources/preferences_datasource.dart';
 
 class PreferencesRepository {
@@ -9,6 +10,7 @@ class PreferencesRepository {
     required this.getSupportedLocales,
     required this.getDelegateLocale,
     required this.setDelegateLocale,
+    required this.resetDelegateLocale,
   });
 
   final PreferencesDataSource dataSource;
@@ -18,6 +20,7 @@ class PreferencesRepository {
   /// containing needed functions, but perceive it as boilerplate, because we
   /// don't need additional encapsulation level here)
   final FutureOr<void> Function(Locale) setDelegateLocale;
+  final FutureOr<void> Function() resetDelegateLocale;
   final FutureOr<List<Locale>> Function() getSupportedLocales;
   final FutureOr<Locale> Function() getDelegateLocale;
 
@@ -36,13 +39,6 @@ class PreferencesRepository {
   Future<void> setSystemModeFlag(final bool newValue) async =>
       dataSource.setSystemThemeModeFlag(newValue);
 
-  // Future<ThemeMode> getThemeMode() async {
-  //   final themeMode = await dataSource.getThemeMode()?? ThemeMode.system;
-  // }
-  //
-  // Future<void> setThemeMode(final ThemeMode newThemeMode) =>
-  //     dataSource.setThemeMode(newThemeMode);
-
   Future<List<Locale>> supportedLocales() async => getSupportedLocales();
 
   Future<Locale> getActiveLocale() async {
@@ -54,7 +50,7 @@ class PreferencesRepository {
     }
 
     // when it's null fallback on delegate locale
-    chosenLocale ??= await getDelegateLocale();
+    chosenLocale ??= Localization.systemLocale;
 
     return chosenLocale;
   }
@@ -63,6 +59,10 @@ class PreferencesRepository {
     await dataSource.setLocale(newLocale.toString());
   }
 
+  Future<void> resetActiveLocale() async {
+    await dataSource.setLocale(null);
+  }
+
   /// true when we need to show onboarding
   Future<bool> getShouldShowOnboarding() async =>
       dataSource.getOnboardingFlag();

lib/logic/api_maps/graphql_maps/graphql_api_map.dart

@@ -116,7 +116,7 @@ abstract class GraphQLApiMap {
     );
   }
 
-  String get _locale => getIt.get<ApiConfigModel>().localeCode ?? 'en';
+  String get _locale => getIt.get<ApiConfigModel>().localeCode;
 
   String get _token {
     String token = '';

lib/logic/get_it/api_config.dart

@@ -9,7 +9,6 @@ class ApiConfigModel {
   final Box _box = Hive.box(BNames.serverInstallationBox);
 
   ServerHostingDetails? get serverDetails => _serverDetails;
-  String? get localeCode => _localeCode;
   String? get serverProviderKey => _serverProviderKey;
   String? get serverLocation => _serverLocation;
   String? get serverType => _serverType;
@@ -21,7 +20,12 @@ class ApiConfigModel {
   ServerDomain? get serverDomain => _serverDomain;
   BackblazeBucket? get backblazeBucket => _backblazeBucket;
 
+  static const localeCodeFallback = 'en';
   String? _localeCode;
+  String get localeCode => _localeCode ?? localeCodeFallback;
+  Future<void> setLocaleCode(final String value) async => _localeCode = value;
+  Future<void> resetLocaleCode() async => _localeCode = null;
+
   String? _serverProviderKey;
   String? _serverLocation;
   String? _dnsProviderKey;
@@ -33,10 +37,6 @@ class ApiConfigModel {
   ServerDomain? _serverDomain;
   BackblazeBucket? _backblazeBucket;
 
-  Future<void> setLocaleCode(final String value) async {
-    _localeCode = value;
-  }
-
   Future<void> storeServerProviderType(final ServerProviderType value) async {
     await _box.put(BNames.serverProvider, value);
     _serverProvider = value;
@@ -101,7 +101,6 @@ class ApiConfigModel {
   }
 
   Future<void> init() async {
-    _localeCode = 'en';
     _serverProviderKey = _box.get(BNames.hetznerKey);
     _serverLocation = _box.get(BNames.serverLocation);
     _dnsProviderKey = _box.get(BNames.cloudFlareKey);

lib/ui/pages/more/app_settings/language_picker.dart

@@ -36,26 +36,27 @@ class _LanguagePickerDialog extends StatelessWidget {
   static const routeSettings = RouteSettings(name: 'LanguagePickerDialog');
 
   @override
-  Widget build(final BuildContext context) => SimpleDialog(
-        title: Text('application_settings.language'.tr()),
-        children: [
-          for (final locale
-              in InheritedAppController.of(context).supportedLocales)
-            RadioMenuButton(
-              groupValue: context.locale,
-              value: locale,
-              child: Text(
-                Localization.getLanguageName(locale),
-                style: TextStyle(
-                  fontWeight: locale == context.locale
-                      ? FontWeight.w800
-                      : FontWeight.w400,
-                ),
+  Widget build(final BuildContext context) {
+    final appController = InheritedAppController.of(context);
+
+    return SimpleDialog(
+      title: Text('application_settings.language'.tr()),
+      children: [
+        for (final locale in appController.supportedLocales)
+          RadioMenuButton(
+            groupValue: appController.locale,
+            value: locale,
+            child: Text(
+              Localization.getLanguageName(locale),
+              style: TextStyle(
+                fontWeight: locale == appController.locale
+                    ? FontWeight.w800
+                    : FontWeight.w400,
               ),
-              onChanged: (final newValue) {
-                Navigator.of(context).pop(newValue);
-              },
             ),
-        ],
-      );
+            onChanged: (final newValue) => Navigator.of(context).pop(newValue),
+          ),
+      ],
+    );
+  }
 }

lib/ui/pages/more/app_settings/theme_picker.dart

@@ -6,9 +6,6 @@ class _ThemePicker extends StatelessWidget {
   @override
   Widget build(final BuildContext context) {
     final appController = InheritedAppController.of(context);
-    // final themeMode = appController.themeMode;
-    // final bool isSystemThemeModeEnabled = themeMode == ThemeMode.system;
-    // final bool isDarkModeOn = themeMode == ThemeMode.dark;
 
     return Column(
       crossAxisAlignment: CrossAxisAlignment.stretch,
@@ -19,11 +16,6 @@ class _ThemePicker extends StatelessWidget {
               Text('application_settings.system_theme_mode_description'.tr()),
           value: appController.systemThemeModeActive,
           onChanged: appController.setSystemThemeModeFlag,
-          // onChanged: (final newValue) => appController.setThemeMode(
-          //   newValue
-          //       ? ThemeMode.system
-          //       : (isDarkModeOn ? ThemeMode.dark : ThemeMode.light),
-          // ),
         ),
         SwitchListTile.adaptive(
           title: Text('application_settings.dark_theme_title'.tr()),
@@ -32,11 +24,6 @@ class _ThemePicker extends StatelessWidget {
           onChanged: appController.systemThemeModeActive
               ? null
               : appController.setDarkThemeModeFlag,
-          // onChanged: isSystemThemeModeEnabled
-          //     ? null
-          //     : (final newValue) => appController.setThemeMode(
-          //           newValue ? ThemeMode.dark : ThemeMode.light,
-          //         ),
         ),
       ],
     );