296 lines
9.0 KiB
Dart
296 lines
9.0 KiB
Dart
import 'dart:math';
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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/timezone.dart' as tz;
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import 'package:timezone/data/latest_all.dart' as tz;
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/// 알림 서비스 싱글톤 클래스
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class NotificationService {
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// 싱글톤 인스턴스
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static final NotificationService _instance = NotificationService._internal();
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factory NotificationService() => _instance;
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NotificationService._internal();
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// Flutter Local Notifications 플러그인
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final FlutterLocalNotificationsPlugin _notifications =
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FlutterLocalNotificationsPlugin();
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// 알림 채널 정보
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static const String _channelId = 'lunchpick_visit_reminder';
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static const String _channelName = '방문 확인 알림';
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static const String _channelDescription = '점심 식사 후 방문을 확인하는 알림입니다.';
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// 알림 ID (방문 확인용)
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static const int _visitReminderNotificationId = 1;
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/// 알림 서비스 초기화
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Future<bool> initialize() async {
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// 시간대 초기화
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tz.initializeTimeZones();
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// Android 초기화 설정
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const androidInitSettings = AndroidInitializationSettings(
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'@mipmap/ic_launcher',
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);
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// iOS 초기화 설정
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final iosInitSettings = DarwinInitializationSettings(
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requestAlertPermission: true,
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requestBadgePermission: true,
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requestSoundPermission: true,
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onDidReceiveLocalNotification: (id, title, body, payload) async {
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// iOS 9 이하 버전 대응
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},
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);
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// macOS 초기화 설정
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final macOSInitSettings = 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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// 플랫폼별 초기화 설정 통합
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final initSettings = InitializationSettings(
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android: androidInitSettings,
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iOS: iosInitSettings,
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macOS: macOSInitSettings,
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);
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// 알림 플러그인 초기화
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final initialized = await _notifications.initialize(
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initSettings,
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onDidReceiveNotificationResponse: _onNotificationTap,
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onDidReceiveBackgroundNotificationResponse: _onBackgroundNotificationTap,
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);
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// Android 알림 채널 생성 (웹이 아닌 경우에만)
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if (!kIsWeb && defaultTargetPlatform == TargetPlatform.android) {
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await _createNotificationChannel();
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}
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return initialized ?? false;
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}
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/// Android 알림 채널 생성
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Future<void> _createNotificationChannel() async {
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const androidChannel = AndroidNotificationChannel(
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_channelId,
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_channelName,
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description: _channelDescription,
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importance: Importance.high,
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playSound: true,
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enableVibration: true,
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);
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await _notifications
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.resolvePlatformSpecificImplementation<
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AndroidFlutterLocalNotificationsPlugin
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>()
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?.createNotificationChannel(androidChannel);
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}
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/// 알림 권한 요청
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Future<bool> requestPermission() async {
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if (!kIsWeb && defaultTargetPlatform == TargetPlatform.android) {
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final androidImplementation = _notifications
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.resolvePlatformSpecificImplementation<
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AndroidFlutterLocalNotificationsPlugin
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>();
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if (androidImplementation != null) {
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// Android 13 (API 33) 이상에서는 권한 요청이 필요
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if (!kIsWeb && (true /* 웹에서는 버전 체크 불가 */ )) {
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final granted = await androidImplementation
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.requestNotificationsPermission();
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return granted ?? false;
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}
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// Android 12 이하는 자동 허용
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return true;
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}
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} else if (!kIsWeb &&
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(defaultTargetPlatform == TargetPlatform.iOS ||
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defaultTargetPlatform == TargetPlatform.macOS)) {
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final iosImplementation = _notifications
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.resolvePlatformSpecificImplementation<
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IOSFlutterLocalNotificationsPlugin
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>();
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final macosImplementation = _notifications
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.resolvePlatformSpecificImplementation<
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MacOSFlutterLocalNotificationsPlugin
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>();
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if (iosImplementation != null) {
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final granted = await iosImplementation.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 granted ?? false;
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}
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if (macosImplementation != null) {
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final granted = await macosImplementation.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 granted ?? false;
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}
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}
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return false;
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}
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/// 권한 상태 확인
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Future<bool> checkPermission() async {
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if (!kIsWeb && defaultTargetPlatform == TargetPlatform.android) {
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final androidImplementation = _notifications
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.resolvePlatformSpecificImplementation<
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AndroidFlutterLocalNotificationsPlugin
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>();
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if (androidImplementation != null) {
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// Android 13 이상에서만 권한 확인
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if (!kIsWeb && (true /* 웹에서는 버전 체크 불가 */ )) {
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final granted = await androidImplementation.areNotificationsEnabled();
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return granted ?? false;
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}
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// Android 12 이하는 자동 허용
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return true;
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}
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}
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// iOS/macOS는 설정에서 확인
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return true;
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}
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// 알림 탭 콜백
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static void Function(NotificationResponse)? onNotificationTap;
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/// 방문 확인 알림 예약
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Future<void> scheduleVisitReminder({
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required String restaurantId,
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required String restaurantName,
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required DateTime recommendationTime,
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int? delayMinutes,
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}) async {
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try {
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final minutesToWait = delayMinutes ?? 90 + Random().nextInt(31);
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final scheduledTime = tz.TZDateTime.now(
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tz.local,
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).add(Duration(minutes: minutesToWait));
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// 알림 상세 설정
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final androidDetails = AndroidNotificationDetails(
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_channelId,
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_channelName,
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channelDescription: _channelDescription,
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importance: Importance.high,
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priority: Priority.high,
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ticker: '방문 확인',
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icon: '@mipmap/ic_launcher',
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autoCancel: true,
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enableVibration: true,
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playSound: 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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sound: 'default',
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);
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final notificationDetails = NotificationDetails(
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android: androidDetails,
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iOS: iosDetails,
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macOS: iosDetails,
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);
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// 알림 예약
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await _notifications.zonedSchedule(
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_visitReminderNotificationId,
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'다녀왔음? 🍴',
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'$restaurantName 어땠어요? 방문 기록을 남겨주세요!',
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scheduledTime,
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notificationDetails,
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androidScheduleMode: AndroidScheduleMode.exactAllowWhileIdle,
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uiLocalNotificationDateInterpretation:
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UILocalNotificationDateInterpretation.absoluteTime,
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payload:
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'visit_reminder|$restaurantId|$restaurantName|${recommendationTime.toIso8601String()}',
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);
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if (kDebugMode) {
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print('알림 예약됨: ${scheduledTime.toLocal()} ($minutesToWait분 후)');
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}
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} catch (e) {
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if (kDebugMode) {
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print('알림 예약 실패: $e');
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}
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}
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}
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/// 예약된 방문 확인 알림 취소
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Future<void> cancelVisitReminder() async {
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await _notifications.cancel(_visitReminderNotificationId);
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}
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/// 모든 알림 취소
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Future<void> cancelAllNotifications() async {
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await _notifications.cancelAll();
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}
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/// 예약된 알림 목록 조회
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Future<List<PendingNotificationRequest>> getPendingNotifications() async {
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return await _notifications.pendingNotificationRequests();
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}
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/// 알림 탭 이벤트 처리
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void _onNotificationTap(NotificationResponse response) {
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if (onNotificationTap != null) {
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onNotificationTap!(response);
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} else if (response.payload != null) {
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if (kDebugMode) {
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print('알림 탭: ${response.payload}');
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}
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}
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}
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/// 백그라운드 알림 탭 이벤트 처리
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@pragma('vm:entry-point')
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static void _onBackgroundNotificationTap(NotificationResponse response) {
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if (onNotificationTap != null) {
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onNotificationTap!(response);
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} else if (response.payload != null) {
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if (kDebugMode) {
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print('백그라운드 알림 탭: ${response.payload}');
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}
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}
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}
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/// 즉시 알림 표시 (테스트용)
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Future<void> showImmediateNotification({
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required String title,
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required String body,
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}) async {
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const androidDetails = AndroidNotificationDetails(
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_channelId,
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_channelName,
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channelDescription: _channelDescription,
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importance: Importance.high,
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priority: Priority.high,
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);
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const iosDetails = DarwinNotificationDetails();
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const notificationDetails = NotificationDetails(
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android: androidDetails,
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iOS: iosDetails,
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macOS: iosDetails,
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);
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await _notifications.show(0, title, body, notificationDetails);
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}
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}
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