80 lines
2.5 KiB
Dart
80 lines
2.5 KiB
Dart
import 'dart:async';
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import 'package:cloud_firestore/cloud_firestore.dart';
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import 'package:firebase_auth/firebase_auth.dart';
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import 'package:firebase_core/firebase_core.dart';
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import 'package:flutter/foundation.dart';
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import 'package:flutter/services.dart';
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import 'package:flutter/widgets.dart';
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import '../firebase_options.dart';
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import '../config/api_config.dart';
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import 'cache_service.dart';
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/// Service responsable des initialisations lourdes en tâche de fond.
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///
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/// Objectif : réduire au maximum le travail synchrone dans main(),
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/// afficher immédiatement une UI minimale, puis effectuer l'init asynchrone.
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class AppInitializer with ChangeNotifier {
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bool _isInitialized = false;
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bool _isInitializing = false;
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bool get isInitialized => _isInitialized;
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bool get isInitializing => _isInitializing;
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final CacheService cacheService = CacheService();
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/// Démarre l'initialisation asynchrone. Idempotent.
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Future<void> initialize() async {
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if (_isInitialized || _isInitializing) return;
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_isInitializing = true;
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scheduleMicrotask(() => notifyListeners());
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try {
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// Initialiser Firebase
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await Firebase.initializeApp(
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options: DefaultFirebaseOptions.currentPlatform,
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);
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// Configurer les émulateurs en dev si demandé
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if (ApiConfig.isDevelopment) {
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try {
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await FirebaseAuth.instance.useAuthEmulator('localhost', 9199);
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FirebaseFirestore.instance.useFirestoreEmulator('localhost', 8088);
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} catch (e) {
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// Ignorer si non supporté
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if (kDebugMode) print('Emulator setup failed: $e');
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}
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}
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// Initialiser le cache local sans bloquer l'écran de démarrage.
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unawaited(cacheService.init());
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// Précharger des assets critiques de façon asynchrone
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unawaited(_preloadAssets());
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// TODO: lancer ici d'autres initialisations non bloquantes
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_isInitialized = true;
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_isInitializing = false;
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notifyListeners();
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} catch (e, st) {
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if (kDebugMode) print('AppInitializer failed: $e\n$st');
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_isInitializing = false;
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// Ne rethrow pas pour éviter de planter l'app; laisser l'UI gérer les erreurs.
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notifyListeners();
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}
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}
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Future<void> _preloadAssets() async {
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try {
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// Charger quelques assets en mémoire pour rendre l'affichage initial fluide
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await rootBundle.load('assets/logos/RectangleLogoBlack.png');
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await rootBundle.load('assets/logos/SquareLogoWhite.png');
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} catch (e) {
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if (kDebugMode) print('Preload assets failed: $e');
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}
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}
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}
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