Versione OK Pour l'onglet événements.
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DahoudG
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import 'dart:convert';
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import 'package:flutter/material.dart';
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import 'package:flutter_local_notifications/flutter_local_notifications.dart';
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import 'package:injectable/injectable.dart';
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import 'package:shared_preferences/shared_preferences.dart';
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import '../models/cotisation_model.dart';
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/// Service de gestion des notifications
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/// Gère les notifications locales et push pour les cotisations
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@LazySingleton()
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class NotificationService {
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static const String _notificationsEnabledKey = 'notifications_enabled';
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static const String _reminderDaysKey = 'reminder_days';
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static const String _scheduledNotificationsKey = 'scheduled_notifications';
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final FlutterLocalNotificationsPlugin _localNotifications;
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final SharedPreferences _prefs;
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NotificationService(this._localNotifications, this._prefs);
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/// Initialise le service de notifications
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Future<void> initialize() async {
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const androidSettings = AndroidInitializationSettings('@mipmap/ic_launcher');
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const iosSettings = DarwinInitializationSettings(
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requestAlertPermission: true,
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requestBadgePermission: true,
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requestSoundPermission: true,
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);
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const initSettings = InitializationSettings(
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android: androidSettings,
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iOS: iosSettings,
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);
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await _localNotifications.initialize(
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initSettings,
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onDidReceiveNotificationResponse: _onNotificationTapped,
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);
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// Demander les permissions sur iOS
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await _requestPermissions();
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}
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/// Demande les permissions de notification
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Future<bool> _requestPermissions() async {
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final result = await _localNotifications
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.resolvePlatformSpecificImplementation<IOSFlutterLocalNotificationsPlugin>()
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?.requestPermissions(
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alert: true,
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badge: true,
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sound: true,
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);
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return result ?? true;
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}
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/// Planifie une notification de rappel pour une cotisation
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Future<void> schedulePaymentReminder(CotisationModel cotisation) async {
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if (!await isNotificationsEnabled()) return;
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final reminderDays = await getReminderDays();
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final notificationDate = cotisation.dateEcheance.subtract(Duration(days: reminderDays));
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// Ne pas planifier si la date est déjà passée
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if (notificationDate.isBefore(DateTime.now())) return;
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const androidDetails = AndroidNotificationDetails(
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'payment_reminders',
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'Rappels de paiement',
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channelDescription: 'Notifications de rappel pour les cotisations à payer',
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importance: Importance.high,
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priority: Priority.high,
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icon: '@mipmap/ic_launcher',
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color: Color(0xFF2196F3),
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playSound: true,
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enableVibration: true,
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);
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const iosDetails = DarwinNotificationDetails(
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presentAlert: true,
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presentBadge: true,
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presentSound: true,
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);
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const notificationDetails = NotificationDetails(
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android: androidDetails,
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iOS: iosDetails,
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);
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final notificationId = _generateNotificationId(cotisation.id, 'reminder');
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await _localNotifications.zonedSchedule(
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notificationId,
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'Rappel de cotisation',
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'Votre cotisation ${cotisation.typeCotisation} de ${cotisation.montantDu.toStringAsFixed(0)} XOF arrive à échéance le ${_formatDate(cotisation.dateEcheance)}',
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_convertToTZDateTime(notificationDate),
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notificationDetails,
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androidScheduleMode: AndroidScheduleMode.exactAllowWhileIdle,
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uiLocalNotificationDateInterpretation: UILocalNotificationDateInterpretation.absoluteTime,
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payload: jsonEncode({
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'type': 'payment_reminder',
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'cotisationId': cotisation.id,
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'action': 'open_cotisation',
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}),
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);
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// Sauvegarder la notification planifiée
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await _saveScheduledNotification(notificationId, cotisation.id, 'reminder', notificationDate);
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}
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/// Planifie une notification d'échéance le jour J
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Future<void> scheduleDueDateNotification(CotisationModel cotisation) async {
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if (!await isNotificationsEnabled()) return;
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final notificationDate = DateTime(
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cotisation.dateEcheance.year,
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cotisation.dateEcheance.month,
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cotisation.dateEcheance.day,
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9, // 9h du matin
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);
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// Ne pas planifier si la date est déjà passée
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if (notificationDate.isBefore(DateTime.now())) return;
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const androidDetails = AndroidNotificationDetails(
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'due_date_notifications',
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'Échéances du jour',
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channelDescription: 'Notifications pour les cotisations qui arrivent à échéance',
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importance: Importance.max,
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priority: Priority.max,
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icon: '@mipmap/ic_launcher',
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color: Color(0xFFFF5722),
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playSound: true,
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enableVibration: true,
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ongoing: true,
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);
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const iosDetails = DarwinNotificationDetails(
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presentAlert: true,
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presentBadge: true,
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presentSound: true,
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interruptionLevel: InterruptionLevel.critical,
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);
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const notificationDetails = NotificationDetails(
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android: androidDetails,
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iOS: iosDetails,
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);
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final notificationId = _generateNotificationId(cotisation.id, 'due_date');
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await _localNotifications.zonedSchedule(
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notificationId,
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'Échéance aujourd\'hui !',
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'Votre cotisation ${cotisation.typeCotisation} de ${cotisation.montantDu.toStringAsFixed(0)} XOF arrive à échéance aujourd\'hui',
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_convertToTZDateTime(notificationDate),
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notificationDetails,
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androidScheduleMode: AndroidScheduleMode.exactAllowWhileIdle,
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uiLocalNotificationDateInterpretation: UILocalNotificationDateInterpretation.absoluteTime,
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payload: jsonEncode({
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'type': 'due_date',
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'cotisationId': cotisation.id,
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'action': 'pay_now',
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}),
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);
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await _saveScheduledNotification(notificationId, cotisation.id, 'due_date', notificationDate);
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}
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/// Envoie une notification immédiate de confirmation de paiement
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Future<void> showPaymentConfirmation(CotisationModel cotisation, double montantPaye) async {
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const androidDetails = AndroidNotificationDetails(
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'payment_confirmations',
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'Confirmations de paiement',
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channelDescription: 'Notifications de confirmation après paiement',
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importance: Importance.high,
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priority: Priority.high,
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icon: '@mipmap/ic_launcher',
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color: Color(0xFF4CAF50),
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playSound: true,
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enableVibration: true,
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);
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const iosDetails = DarwinNotificationDetails(
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presentAlert: true,
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presentBadge: true,
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presentSound: true,
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);
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const notificationDetails = NotificationDetails(
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android: androidDetails,
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iOS: iosDetails,
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);
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await _localNotifications.show(
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_generateNotificationId(cotisation.id, 'payment_success'),
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'Paiement confirmé ✅',
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'Votre paiement de ${montantPaye.toStringAsFixed(0)} XOF pour la cotisation ${cotisation.typeCotisation} a été confirmé',
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notificationDetails,
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payload: jsonEncode({
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'type': 'payment_success',
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'cotisationId': cotisation.id,
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'action': 'view_receipt',
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}),
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);
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}
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/// Envoie une notification d'échec de paiement
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Future<void> showPaymentFailure(CotisationModel cotisation, String raison) async {
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const androidDetails = AndroidNotificationDetails(
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'payment_failures',
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'Échecs de paiement',
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channelDescription: 'Notifications d\'échec de paiement',
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importance: Importance.high,
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priority: Priority.high,
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icon: '@mipmap/ic_launcher',
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color: Color(0xFFF44336),
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playSound: true,
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enableVibration: true,
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);
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const iosDetails = DarwinNotificationDetails(
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presentAlert: true,
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presentBadge: true,
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presentSound: true,
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);
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const notificationDetails = NotificationDetails(
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android: androidDetails,
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iOS: iosDetails,
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);
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await _localNotifications.show(
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_generateNotificationId(cotisation.id, 'payment_failure'),
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'Échec de paiement ❌',
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'Le paiement pour la cotisation ${cotisation.typeCotisation} a échoué: $raison',
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notificationDetails,
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payload: jsonEncode({
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'type': 'payment_failure',
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'cotisationId': cotisation.id,
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'action': 'retry_payment',
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}),
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);
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}
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/// Annule toutes les notifications pour une cotisation
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Future<void> cancelCotisationNotifications(String cotisationId) async {
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final scheduledNotifications = await getScheduledNotifications();
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final notificationsToCancel = scheduledNotifications
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.where((n) => n['cotisationId'] == cotisationId)
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.toList();
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for (final notification in notificationsToCancel) {
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await _localNotifications.cancel(notification['id'] as int);
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}
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// Supprimer de la liste des notifications planifiées
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final updatedNotifications = scheduledNotifications
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.where((n) => n['cotisationId'] != cotisationId)
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.toList();
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await _prefs.setString(_scheduledNotificationsKey, jsonEncode(updatedNotifications));
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}
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/// Planifie les notifications pour toutes les cotisations actives
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Future<void> scheduleAllCotisationsNotifications(List<CotisationModel> cotisations) async {
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// Annuler toutes les notifications existantes
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await _localNotifications.cancelAll();
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await _clearScheduledNotifications();
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// Planifier pour chaque cotisation non payée
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for (final cotisation in cotisations) {
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if (!cotisation.isEntierementPayee && !cotisation.isEnRetard) {
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await schedulePaymentReminder(cotisation);
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await scheduleDueDateNotification(cotisation);
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}
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}
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}
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/// Configuration des notifications
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Future<bool> isNotificationsEnabled() async {
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return _prefs.getBool(_notificationsEnabledKey) ?? true;
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}
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Future<void> setNotificationsEnabled(bool enabled) async {
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await _prefs.setBool(_notificationsEnabledKey, enabled);
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if (!enabled) {
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await _localNotifications.cancelAll();
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await _clearScheduledNotifications();
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}
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}
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Future<int> getReminderDays() async {
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return _prefs.getInt(_reminderDaysKey) ?? 3; // 3 jours par défaut
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}
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Future<void> setReminderDays(int days) async {
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await _prefs.setInt(_reminderDaysKey, days);
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}
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Future<List<Map<String, dynamic>>> getScheduledNotifications() async {
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final jsonString = _prefs.getString(_scheduledNotificationsKey);
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if (jsonString == null) return [];
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try {
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final List<dynamic> jsonList = jsonDecode(jsonString);
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return jsonList.cast<Map<String, dynamic>>();
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} catch (e) {
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return [];
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}
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}
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/// Méthodes privées
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void _onNotificationTapped(NotificationResponse response) {
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if (response.payload != null) {
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try {
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final payload = jsonDecode(response.payload!);
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// TODO: Implémenter la navigation selon l'action
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// NavigationService.navigateToAction(payload);
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} catch (e) {
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// Ignorer les erreurs de parsing
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}
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}
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}
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int _generateNotificationId(String cotisationId, String type) {
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return '${cotisationId}_$type'.hashCode;
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}
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String _formatDate(DateTime date) {
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return '${date.day.toString().padLeft(2, '0')}/${date.month.toString().padLeft(2, '0')}/${date.year}';
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}
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// Note: Cette méthode nécessite le package timezone
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// Pour simplifier, on utilise DateTime directement
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dynamic _convertToTZDateTime(DateTime dateTime) {
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return dateTime; // Simplification - en production, utiliser TZDateTime
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}
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Future<void> _saveScheduledNotification(
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int notificationId,
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String cotisationId,
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String type,
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DateTime scheduledDate,
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) async {
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final notifications = await getScheduledNotifications();
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notifications.add({
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'id': notificationId,
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'cotisationId': cotisationId,
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'type': type,
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'scheduledDate': scheduledDate.toIso8601String(),
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});
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await _prefs.setString(_scheduledNotificationsKey, jsonEncode(notifications));
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}
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Future<void> _clearScheduledNotifications() async {
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await _prefs.remove(_scheduledNotificationsKey);
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}
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}
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