feat(apps): 重构 UI 架构为 presentation 层并新增 l10n 国际化支持
This commit is contained in:
qzl
@@ -0,0 +1,31 @@
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import 'dart:convert';
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import 'package:shared_preferences/shared_preferences.dart';
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import '../../domain/models/reminder_payload.dart';
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class IOSNotificationPayloadBridge {
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static const String _key = 'pending_notification_payload';
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final SharedPreferences _prefs;
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IOSNotificationPayloadBridge(this._prefs);
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Future<ReminderPayload?> getPendingPayload() async {
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final raw = _prefs.getString(_key);
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if (raw == null || raw.isEmpty) {
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return null;
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}
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try {
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final json = Map<String, dynamic>.from(jsonDecode(raw) as Map);
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return ReminderPayload.fromJson(json);
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} catch (_) {
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return null;
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}
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}
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Future<void> setPendingPayload(ReminderPayload payload) async {
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await _prefs.setString(_key, jsonEncode(payload.toJson()));
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}
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Future<void> clearPendingPayload() async {
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await _prefs.remove(_key);
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}
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}
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@@ -0,0 +1,308 @@
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import 'dart:convert';
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import 'package:flutter/foundation.dart';
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import 'package:flutter_local_notifications/flutter_local_notifications.dart';
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import 'package:timezone/data/latest.dart' as tz_data;
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import 'package:timezone/timezone.dart' as tz;
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import '../../../../core/l10n/l10n.dart';
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import 'reminder_notification_callbacks.dart';
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import '../../../calendar/data/models/schedule_item_model.dart';
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import '../../domain/models/reminder_payload.dart';
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class LocalNotificationService {
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final FlutterLocalNotificationsPlugin _plugin;
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bool _initialized = false;
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LocalNotificationService({FlutterLocalNotificationsPlugin? plugin})
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: _plugin = plugin ?? FlutterLocalNotificationsPlugin();
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Future<void> initialize() async {
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if (_initialized) {
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return;
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}
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tz_data.initializeTimeZones();
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const android = AndroidInitializationSettings('@mipmap/ic_launcher');
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const ios = DarwinInitializationSettings(
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requestAlertPermission: false,
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requestBadgePermission: false,
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requestSoundPermission: false,
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);
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final settings = InitializationSettings(android: android, iOS: ios);
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await _plugin.initialize(
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settings,
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onDidReceiveNotificationResponse:
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ReminderNotificationCallbacks.onForegroundResponse,
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onDidReceiveBackgroundNotificationResponse:
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reminderNotificationTapBackground,
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);
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final androidImpl = _plugin
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.resolvePlatformSpecificImplementation<
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AndroidFlutterLocalNotificationsPlugin
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>();
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await androidImpl?.requestNotificationsPermission();
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await androidImpl?.requestExactAlarmsPermission();
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await androidImpl?.requestFullScreenIntentPermission();
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final iosImpl = _plugin
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.resolvePlatformSpecificImplementation<
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IOSFlutterLocalNotificationsPlugin
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>();
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await iosImpl?.requestPermissions(alert: true, badge: true, sound: true);
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_initialized = true;
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}
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Future<void> upsertEventReminder(ScheduleItemModel event) async {
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await initialize();
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if (event.status != ScheduleStatus.active ||
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event.metadata?.reminderMinutes == null) {
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await cancelEventReminder(event.id);
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return;
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}
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final now = DateTime.now();
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final reminderMinutes = event.metadata?.reminderMinutes ?? 0;
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final fireAt = event.startAt.subtract(Duration(minutes: reminderMinutes));
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if (fireAt.isBefore(now)) {
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await cancelEventReminder(event.id);
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return;
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}
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await cancelEventReminder(event.id);
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await _scheduleRemindersFrom(event: event, firstFireAt: fireAt);
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}
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Future<void> scheduleReminderAt(
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ScheduleItemModel event,
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DateTime fireAt,
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) async {
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await initialize();
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await cancelEventReminder(event.id);
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await _scheduleRemindersFrom(event: event, firstFireAt: fireAt);
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}
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Future<void> cancelEventReminder(String eventId) async {
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await initialize();
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final pending = await _plugin.pendingNotificationRequests();
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for (final request in pending) {
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final payload = _decodePayload(request.payload);
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if (payload == null) {
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continue;
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}
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if (payload.eventId == eventId ||
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payload.aggregateIds.contains(eventId)) {
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await _plugin.cancel(request.id);
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}
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}
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await _plugin.cancel(_notificationIdForEvent(eventId));
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}
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Future<void> rebuildUpcomingReminders(
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Iterable<ScheduleItemModel> events,
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) async {
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await initialize();
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for (final event in events) {
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await upsertEventReminder(event);
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}
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}
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int _notificationIdForEvent(String eventId) {
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return eventId.hashCode & 0x7fffffff;
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}
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int _notificationIdForEventCycle(
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String eventId,
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DateTime fireAt,
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ReminderPayloadMode mode,
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) {
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final cycleMinute =
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fireAt.millisecondsSinceEpoch ~/
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const Duration(minutes: 1).inMilliseconds;
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return '$eventId|$cycleMinute|${mode.value}'.hashCode & 0x7fffffff;
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}
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Future<AndroidScheduleMode> _resolveAndroidScheduleMode() async {
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final androidImpl = _plugin
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.resolvePlatformSpecificImplementation<
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AndroidFlutterLocalNotificationsPlugin
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>();
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if (androidImpl == null) {
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return AndroidScheduleMode.exactAllowWhileIdle;
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}
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final canScheduleExact =
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await androidImpl.canScheduleExactNotifications() ?? false;
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return canScheduleExact
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? AndroidScheduleMode.exactAllowWhileIdle
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: AndroidScheduleMode.inexactAllowWhileIdle;
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}
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NotificationDetails _buildNotificationDetails(DateTime fireAt) {
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return NotificationDetails(
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android: AndroidNotificationDetails(
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'calendar_alarm_channel_v2',
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L10n.current.notificationChannelName,
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channelDescription: L10n.current.notificationChannelDescription,
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importance: Importance.max,
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priority: Priority.max,
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category: AndroidNotificationCategory.alarm,
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audioAttributesUsage: AudioAttributesUsage.alarm,
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fullScreenIntent: true,
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playSound: true,
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enableVibration: true,
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vibrationPattern: Int64List.fromList([0, 1000, 500, 1200]),
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timeoutAfter: 30000,
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autoCancel: true,
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groupKey: _getGroupKey(fireAt),
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),
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iOS: DarwinNotificationDetails(
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presentAlert: true,
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presentSound: true,
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presentBadge: true,
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threadIdentifier: _getThreadIdentifier(fireAt),
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),
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);
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}
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String _getThreadIdentifier(DateTime fireAt) {
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final bucket =
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fireAt.millisecondsSinceEpoch ~/
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const Duration(minutes: 1).inMilliseconds;
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return 'calendar_reminder_$bucket';
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}
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String _getGroupKey(DateTime fireAt) {
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final bucket =
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fireAt.millisecondsSinceEpoch ~/
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const Duration(minutes: 1).inMilliseconds;
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return 'com.socialapp.calendar.$bucket';
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}
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Future<void> _scheduleSingleReminder({
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required ScheduleItemModel event,
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required DateTime fireAt,
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}) async {
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final notificationId = _notificationIdForEventCycle(
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event.id,
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fireAt,
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ReminderPayloadMode.single,
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);
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final payload = ReminderPayload(
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eventId: event.id,
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title: event.title,
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startAt: event.startAt,
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endAt: event.endAt,
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timezone: event.timezone,
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location: event.metadata?.location,
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notes: event.metadata?.notes,
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color: event.metadata?.color,
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mode: ReminderPayloadMode.single,
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fireTimeBucket:
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fireAt.millisecondsSinceEpoch ~/
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const Duration(minutes: 1).inMilliseconds,
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version: 1,
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);
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final details = _buildNotificationDetails(fireAt);
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final scheduledAt = tz.TZDateTime.from(fireAt, tz.local);
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final mode = await _resolveAndroidScheduleMode();
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try {
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await _plugin.zonedSchedule(
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notificationId,
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event.title,
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_buildReminderBody(event, event.metadata?.reminderMinutes ?? 0),
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scheduledAt,
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details,
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payload: jsonEncode(payload.toJson()),
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androidScheduleMode: mode,
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uiLocalNotificationDateInterpretation:
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UILocalNotificationDateInterpretation.absoluteTime,
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);
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} catch (_) {
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await _plugin.zonedSchedule(
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notificationId,
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event.title,
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_buildReminderBody(event, event.metadata?.reminderMinutes ?? 0),
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scheduledAt,
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details,
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payload: jsonEncode(payload.toJson()),
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androidScheduleMode: AndroidScheduleMode.inexactAllowWhileIdle,
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uiLocalNotificationDateInterpretation:
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UILocalNotificationDateInterpretation.absoluteTime,
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);
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}
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}
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Future<void> _scheduleRemindersFrom({
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required ScheduleItemModel event,
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required DateTime firstFireAt,
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}) async {
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final endAt = event.endAt;
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var cursor = firstFireAt;
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if (endAt == null) {
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await _scheduleSingleReminder(event: event, fireAt: cursor);
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return;
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}
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while (cursor.isBefore(endAt)) {
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await _scheduleSingleReminder(event: event, fireAt: cursor);
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cursor = cursor.add(const Duration(minutes: 10));
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}
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}
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ReminderPayload? _decodePayload(String? raw) {
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if (raw == null || raw.isEmpty) {
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return null;
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}
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try {
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final json = Map<String, dynamic>.from(jsonDecode(raw) as Map);
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return ReminderPayload.fromJson(json);
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} catch (_) {
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return null;
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}
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}
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String _buildReminderBody(ScheduleItemModel event, int reminderMinutes) {
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final when = reminderMinutes == 0
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? L10n.current.notificationStartsNow
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: L10n.current.notificationStartsInMinutes(reminderMinutes);
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final location = event.metadata?.location;
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final notes = event.metadata?.notes;
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final buffer = StringBuffer(when);
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if (location != null && location.isNotEmpty) {
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buffer.write('\n${L10n.current.notificationLocation(location)}');
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}
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if (notes != null && notes.isNotEmpty) {
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final preview = notes.length > 30
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? '${notes.substring(0, 30)}...'
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: notes;
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buffer.write('\n${L10n.current.notificationNotes(preview)}');
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}
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return buffer.toString();
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}
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Future<void> handleNotificationResponse(NotificationResponse response) async {
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final payloadRaw = response.payload;
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if (payloadRaw == null || payloadRaw.isEmpty) {
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return;
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}
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ReminderPayload payload;
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try {
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payload = ReminderPayload.fromJson(
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Map<String, dynamic>.from(jsonDecode(payloadRaw) as Map),
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);
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} catch (_) {
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debugPrint('failed to handle reminder notification response');
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return;
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}
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ReminderNotificationCallbacks.onNotificationPayloadReceived?.call(payload);
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}
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}
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@@ -0,0 +1,152 @@
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import 'dart:async';
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import 'dart:convert';
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import 'package:flutter/foundation.dart';
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import 'package:flutter_local_notifications/flutter_local_notifications.dart';
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import 'package:shared_preferences/shared_preferences.dart';
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import '../../domain/models/reminder_payload.dart';
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typedef ReminderNotificationResponseHandler =
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Future<void> Function(NotificationResponse response);
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class ReminderNotificationCallbacks {
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static const String _pendingKey =
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'calendar_reminder_pending_notification_responses_v1';
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static ReminderNotificationResponseHandler? _responseHandler;
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static Future<void> _pendingStorageLock = Future<void>.value();
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static void Function(ReminderPayload)? onNotificationPayloadReceived;
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@visibleForTesting
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static Future<void> resetForTest() async {
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_responseHandler = null;
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_pendingStorageLock = Future<void>.value();
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final prefs = await SharedPreferences.getInstance();
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await prefs.remove(_pendingKey);
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}
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static Future<void> bindResponseHandler(
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ReminderNotificationResponseHandler handler,
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) async {
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_responseHandler = handler;
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await _drainPendingResponses();
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}
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static Future<void> onForegroundResponse(
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NotificationResponse response,
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) async {
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final handler = _responseHandler;
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if (handler == null) {
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await _enqueuePendingResponse(response);
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return;
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}
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try {
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await handler(response);
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} catch (_) {
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await _enqueuePendingResponse(response);
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}
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}
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static Future<void> onBackgroundResponse(
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NotificationResponse response,
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) async {
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final handler = _responseHandler;
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if (handler == null) {
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await _enqueuePendingResponse(response);
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return;
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}
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try {
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await handler(response);
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} catch (_) {
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await _enqueuePendingResponse(response);
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}
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}
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static Future<T> _withPendingStorageLock<T>(Future<T> Function() operation) {
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final completer = Completer<void>();
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final waitForTurn = _pendingStorageLock;
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_pendingStorageLock = waitForTurn.then((_) => completer.future);
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return waitForTurn.then((_) => operation()).whenComplete(() {
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if (!completer.isCompleted) {
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completer.complete();
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}
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});
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}
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static Future<void> _enqueuePendingResponse(
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NotificationResponse response,
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) async {
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await _withPendingStorageLock(() async {
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final prefs = await SharedPreferences.getInstance();
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final current = prefs.getStringList(_pendingKey) ?? const <String>[];
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final encoded = jsonEncode({
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'id': response.id,
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'actionId': response.actionId,
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'payload': response.payload,
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'type': response.notificationResponseType.index,
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'input': response.input,
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});
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await prefs.setStringList(_pendingKey, <String>[...current, encoded]);
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});
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}
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static Future<void> _drainPendingResponses() async {
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final handler = _responseHandler;
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if (handler == null) {
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return;
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}
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await _withPendingStorageLock(() async {
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final prefs = await SharedPreferences.getInstance();
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final pending = prefs.getStringList(_pendingKey) ?? const <String>[];
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if (pending.isEmpty) {
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return;
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}
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final remaining = <String>[];
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for (final raw in pending) {
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Map<String, dynamic> parsed;
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try {
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parsed = Map<String, dynamic>.from(jsonDecode(raw) as Map);
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} catch (_) {
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continue;
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}
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final id = parsed['id'] as int?;
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final actionId = parsed['actionId'] as String?;
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final payload = parsed['payload'] as String?;
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final typeIndex = (parsed['type'] as int?) ?? 0;
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final input = parsed['input'] as String?;
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final type = NotificationResponseType.values[typeIndex.clamp(0, 1)];
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try {
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await handler(
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NotificationResponse(
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id: id,
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actionId: actionId,
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payload: payload,
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input: input,
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notificationResponseType: type,
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),
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);
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} catch (_) {
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remaining.add(raw);
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}
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}
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if (remaining.isEmpty) {
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await prefs.remove(_pendingKey);
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return;
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}
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await prefs.setStringList(_pendingKey, remaining);
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});
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}
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}
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@pragma('vm:entry-point')
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Future<void> reminderNotificationTapBackground(
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NotificationResponse response,
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) async {
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await ReminderNotificationCallbacks.onBackgroundResponse(response);
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}
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Reference in New Issue
Block a user