67 lines
2.3 KiB
Dart
67 lines
2.3 KiB
Dart
import 'dart:async';
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import 'package:flutter/foundation.dart';
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import 'package:hooks_riverpod/hooks_riverpod.dart';
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import 'package:package_info_plus/package_info_plus.dart';
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import '../../models/pb/jinzhi/v1/push.pb.dart' as pb;
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import '../network/api_exception.dart';
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import 'notification_permission.dart';
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import 'push_api_client.dart';
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import 'umeng_push_service.dart';
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class DevicePushRegistrar {
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DevicePushRegistrar(this._read);
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final T Function<T>(ProviderListenable<T>) _read;
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StreamSubscription<String>? _subscription;
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String? _lastToken;
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bool? _lastPermission;
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Future<void> _registrationQueue = Future.value();
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void start() {
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_subscription ??= UmengPushService.onDeviceToken.listen(_enqueue);
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UmengPushService.emitCachedToken();
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}
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Future<void> stop() async => _subscription?.cancel();
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Future<void> refresh() => UmengPushService.refreshDeviceToken();
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void forceRegisterCurrentToken() {
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// BLOCKED(server contract): guest registration is intentionally preserved.
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// Do not add a client-side unbind call until the backend confirms whether
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// guest registration reliably clears the previous user binding.
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_lastToken = null;
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_lastPermission = null;
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UmengPushService.emitCachedToken();
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}
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void _enqueue(String token) {
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_registrationQueue = _registrationQueue
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.catchError((_) {})
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.then((_) => _register(token));
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}
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Future<void> _register(String token) async {
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final permission = await NotificationPermission.isGranted();
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if (token == _lastToken && permission == _lastPermission) return;
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final package = await PackageInfo.fromPlatform();
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final request = pb.RegisterPushDeviceRequest(
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umengDeviceToken: token,
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platform: defaultTargetPlatform == TargetPlatform.iOS
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? pb.Platform.PLATFORM_IOS
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: pb.Platform.PLATFORM_ANDROID,
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appVersion: package.version,
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permissionGranted: permission,
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);
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for (var attempt = 0; attempt < 4; attempt++) {
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try {
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await _read(pushApiClientProvider).registerDevice(request);
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_lastToken = token;
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_lastPermission = permission;
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return;
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} catch (error) {
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if (attempt == 3 || !ApiException.from(error).isRetryable) return;
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await Future<void>.delayed(Duration(seconds: 1 << attempt));
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}
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}
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}
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}
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