dab246
122 lines
4.2 KiB
Dart
122 lines
4.2 KiB
Dart
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import 'dart:ui';
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import 'package:core/utils/app_logger.dart';
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import 'package:flutter/widgets.dart';
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import 'package:get/get.dart';
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import 'package:tmail_ui_user/features/manage_account/data/local/language_cache_manager.dart';
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import 'package:tmail_ui_user/main/localizations/language_code_constants.dart';
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import 'package:tmail_ui_user/main/routes/route_navigation.dart';
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class LocalizationService extends Translations {
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static const defaultLocale = Locale(LanguageCodeConstants.english, 'US');
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static const fallbackLocale = Locale(LanguageCodeConstants.english, 'US');
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static final supportedLanguageCodes = [
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LanguageCodeConstants.french,
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LanguageCodeConstants.english,
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LanguageCodeConstants.vietnamese,
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LanguageCodeConstants.russian,
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LanguageCodeConstants.arabic,
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LanguageCodeConstants.italian,
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LanguageCodeConstants.german
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];
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static const List<Locale> supportedLocales = [
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Locale(LanguageCodeConstants.french, 'FR'),
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Locale(LanguageCodeConstants.english, 'US'),
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Locale(LanguageCodeConstants.vietnamese, 'VN'),
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Locale(LanguageCodeConstants.russian, 'RU'),
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Locale(LanguageCodeConstants.arabic, 'TN'),
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Locale(LanguageCodeConstants.italian, 'IT'),
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Locale(LanguageCodeConstants.german, 'DE')
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];
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static void changeLocale(String langCode) {
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log('LocalizationService::changeLocale():langCode: $langCode');
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final newLocale = getLocaleFromLanguage(langCode: langCode);
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log('LocalizationService::changeLocale():newLocale: $newLocale');
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Get.updateLocale(newLocale);
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}
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static Locale getLocaleFromLanguage({String? langCode}) {
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try {
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final languageCacheManager = getBinding<LanguageCacheManager>();
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final localeStored = languageCacheManager?.getStoredLanguage();
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log('LocalizationService::_getLocaleFromLanguage():localeStored: $localeStored');
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final localeSelected = supportedLocales.firstWhereOrNull(
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(locale) => locale.languageCode == langCode,
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);
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return localeSelected ?? localeStored ?? Get.deviceLocale ?? defaultLocale;
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} catch (e) {
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logError('LocalizationService::getLocaleFromLanguage: Exception: $e');
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return Get.deviceLocale ?? defaultLocale;
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}
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}
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static Locale? getCachedLocale() {
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try {
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final languageCacheManager = getBinding<LanguageCacheManager>();
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return languageCacheManager?.getStoredLanguage();
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} catch (e) {
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logError('LocalizationService::getCachedLocale: Exception: $e');
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return null;
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}
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}
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static String supportedLocalesToLanguageTags() {
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final listLanguageTags = supportedLocales.map((locale) => locale.toLanguageTag()).join(', ');
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log('LocalizationService::supportedLocalesToLanguageTags:listLanguageTags: $listLanguageTags');
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return listLanguageTags;
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}
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static void initializeAppLanguage({
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String? serverLanguage,
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void Function(Locale locale)? onServerLanguageApplied,
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}) {
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final currentLocale = Get.locale;
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try {
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final serverLocale = supportedLocales
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.firstWhereOrNull((locale) => locale.languageCode == serverLanguage);
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final cachedLocale = getCachedLocale();
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// From server
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if (serverLocale != null && supportedLocales.contains(serverLocale)) {
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changeLocale(serverLocale.languageCode);
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onServerLanguageApplied?.call(serverLocale);
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return;
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}
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// From cache
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if (cachedLocale != null && supportedLocales.contains(cachedLocale)) {
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changeLocale(cachedLocale.languageCode);
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return;
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}
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// From device
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final deviceLocale = WidgetsBinding.instance.platformDispatcher.locale;
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if (supportedLocales.contains(deviceLocale)) {
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changeLocale(deviceLocale.languageCode);
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return;
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}
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// Default
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if (currentLocale == null || !supportedLocales.contains(currentLocale)) {
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changeLocale(defaultLocale.languageCode);
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return;
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}
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} catch (e) {
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logError('LocalizationService::initializeAppLanguage: Exception: $e');
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// Default
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if (currentLocale == null || !supportedLocales.contains(currentLocale)) {
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changeLocale(defaultLocale.languageCode);
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return;
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}
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}
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}
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@override
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Map<String, Map<String, String>> get keys => {};
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}
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