68 lines
2.3 KiB
Dart
68 lines
2.3 KiB
Dart
import 'package:firebase_core/firebase_core.dart';
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import 'package:firebase_messaging/firebase_messaging.dart';
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import 'package:device_info_plus/device_info_plus.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:shared_preferences/shared_preferences.dart';
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class DeviceUtils {
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static const String _deviceIdKey = 'deviceId';
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static const String _fcmTokenKey = 'fcmToken';
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static Future<String> ensureDeviceId(SharedPreferences prefs) async {
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final String? existing = prefs.getString(_deviceIdKey);
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if (existing != null && existing.isNotEmpty) {
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if (kDebugMode) print('[DEVICE] Using cached device ID: $existing');
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return existing;
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}
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try {
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final deviceInfo = DeviceInfoPlugin();
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final android = await deviceInfo.androidInfo;
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final String androidId = android.id;
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if (androidId.isNotEmpty) {
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await prefs.setString(_deviceIdKey, androidId);
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return androidId;
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} else {
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throw Exception('Android ID is empty');
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}
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} on PlatformException catch (e) {
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throw Exception('Failed to get device ID: ${e.message}');
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} catch (e) {
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throw Exception('Failed to get device ID: $e');
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}
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}
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static Future<String> ensureFcmToken(SharedPreferences prefs) async {
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try {
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final String? existing = prefs.getString(_fcmTokenKey);
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if (existing != null && existing.isNotEmpty) {
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return existing;
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}
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if (Firebase.apps.isEmpty) {
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try {
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await Firebase.initializeApp();
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} catch (_) {
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return '';
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}
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}
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final FirebaseMessaging messaging = FirebaseMessaging.instance;
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final NotificationSettings settings = await messaging.requestPermission(
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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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if (settings.authorizationStatus == AuthorizationStatus.authorized ||
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settings.authorizationStatus == AuthorizationStatus.provisional) {
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final String? token = await messaging.getToken();
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if (token != null && token.isNotEmpty) {
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await prefs.setString(_fcmTokenKey, token);
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return token;
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}
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}
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} catch (_) {}
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return '';
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}
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}
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