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fix(language): auto-sync from user_metadata.locale at sign-in

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Bug: User mit iOS-Sprache=Arabisch sah App auf Englisch wenn
Localization.getLocales() auf seinem Setup nicht zuverlässig 'ar'
zurückgab (iOS-Region≠Sprache, App-Override etc).

Fix: bei sign-in (init() initial-getSession + onAuthStateChange für
SIGNED_IN events) wird session.user.user_metadata.locale gelesen.
Wenn AsyncStorage @rebreak/language NOCH NICHT gesetzt ist (User hat
keine explicit Choice gemacht) → silent apply der server-locale
(inkl. RTL-flip, KEIN Restart-Alert).

Respektiert User-Choice: wenn AsyncStorage gefüllt ist (z.B. User hat
manuell in Settings gewechselt), bleibt das gewinnen.
This commit is contained in:
chahinebrini 2026-05-19 22:01:57 +02:00
parent 63a1a3b550
commit 73f70b5e28
2 changed files with 36 additions and 0 deletions
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7
apps/rebreak-native/stores/auth.ts
View File

@ -7,6 +7,7 @@ import * as AppleAuthentication from 'expo-apple-authentication';
import { supabase } from '../lib/supabase';
import { apiFetch } from '../lib/api';
import i18n from '../lib/i18n';
import { syncLanguageFromUserMetadata } from './language';
const SUPPORTED_LOCALES = ['de', 'en', 'fr', 'ar'] as const;
type SupportedLocale = (typeof SUPPORTED_LOCALES)[number];
@ -69,9 +70,15 @@ export const useAuthStore = create<AuthState>((set) => ({
user: data.session?.user ?? null,
loading: false,
});
if (data.session?.user) {
void syncLanguageFromUserMetadata(data.session.user);
}
supabase.auth.onAuthStateChange((_event, session) => {
set({ session, user: session?.user ?? null });
if (session?.user) {
void syncLanguageFromUserMetadata(session.user);
}
});
},

29
apps/rebreak-native/stores/language.ts
View File

@ -61,3 +61,32 @@ export const useLanguageStore = create<LanguageState>((set) => ({
}
},
}));
// Auto-sync language from session.user.user_metadata.locale beim Sign-In.
// Wenn AsyncStorage @rebreak/language LEER ist (kein explicit user-choice)
// und Server-side metadata.locale gesetzt — silent apply (kein Restart-Alert).
// Respektiert User-Choice: AsyncStorage gewinnt immer wenn gesetzt.
export async function syncLanguageFromUserMetadata(
user: { user_metadata?: { locale?: string | null } | null } | null,
): Promise<void> {
if (!user) return;
const raw = user.user_metadata?.locale;
if (!raw) return;
const short = String(raw).split('-')[0].toLowerCase();
const valid: AppLanguage[] = ['de', 'en', 'fr', 'ar'];
if (!(valid as readonly string[]).includes(short)) return;
const lang = short as AppLanguage;
const stored = await AsyncStorage.getItem(STORAGE_KEY);
if (stored) return; // explicit user-choice wins
if (i18n.language === lang) {
await AsyncStorage.setItem(STORAGE_KEY, lang);
return;
}
await AsyncStorage.setItem(STORAGE_KEY, lang);
await i18n.changeLanguage(lang);
applyRTL(lang);
useLanguageStore.setState({ language: lang });
}