From 76db2f825494781ec2e4adf5a3d6203f83c50fc7 Mon Sep 17 00:00:00 2001
From: Valentin CZERYBA <valcze80@gmail.com>
Date: Wed, 6 Aug 2025 22:34:01 +0200
Subject: [PATCH] add cache for language

---
 covas_mobile/lib/locale_provider.dart | 21 ++++++++++++++++++++-
 covas_mobile/lib/main.dart            |  2 +-
 2 files changed, 21 insertions(+), 2 deletions(-)

diff --git a/covas_mobile/lib/locale_provider.dart b/covas_mobile/lib/locale_provider.dart
index 4f5ac79..0d90807 100644
--- a/covas_mobile/lib/locale_provider.dart
+++ b/covas_mobile/lib/locale_provider.dart
@@ -1,15 +1,34 @@
 import 'package:flutter/material.dart';
+import 'package:shared_preferences/shared_preferences.dart';
 
 class LocaleProvider with ChangeNotifier {
+  static const _localeKey = 'locale_code';
+
   Locale _locale = const Locale('en');
 
   Locale get locale => _locale;
 
-  void setLocale(Locale locale) {
+  LocaleProvider() {
+    _loadLocale();
+  }
+
+  Future<void> _loadLocale() async {
+    final prefs = await SharedPreferences.getInstance();
+    final code = prefs.getString(_localeKey);
+    if (code != null && L10n.all.contains(Locale(code))) {
+      _locale = Locale(code);
+      notifyListeners();
+    }
+  }
+
+  void setLocale(Locale locale) async {
     if (!L10n.all.contains(locale)) return;
 
     _locale = locale;
     notifyListeners();
+
+    final prefs = await SharedPreferences.getInstance();
+    await prefs.setString(_localeKey, locale.languageCode);
   }
 }
 
diff --git a/covas_mobile/lib/main.dart b/covas_mobile/lib/main.dart
index c2af5df..f01e1a3 100644
--- a/covas_mobile/lib/main.dart
+++ b/covas_mobile/lib/main.dart
@@ -26,7 +26,7 @@ class MyApp extends StatelessWidget {
     return MaterialApp(
       debugShowCheckedModeBanner: false,
       locale: localeProvider.locale, // <-- utilise la locale courante
-      supportedLocales: const [Locale('en'), Locale('fr'), Locale('de')],
+      supportedLocales: L10n.all,
       localizationsDelegates: AppLocalizations.localizationsDelegates,
       home: LoginDemo(),
     );