62 lines
1.6 KiB
Dart
62 lines
1.6 KiB
Dart
import 'dart:async';
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import 'package:autosos_flutter/api/user_api.dart';
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import 'package:autosos_flutter/config/constant.dart';
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import 'package:autosos_flutter/service/location_service.dart';
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import 'package:flutter/foundation.dart';
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/// 心跳服务（保持在线状态，上报位置）
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class HeartbeatService {
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static final HeartbeatService instance = HeartbeatService._();
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HeartbeatService._();
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Timer? _timer;
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final Duration _interval = const Duration(seconds: 30);
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int _onlineSeconds = 0;
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bool _running = false;
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bool get running => _running;
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int get onlineSeconds => _onlineSeconds;
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/// 启动心跳
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void start() {
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if (_running) return;
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_running = true;
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_onlineSeconds = 0;
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_timer = Timer.periodic(_interval, (_) => _tick());
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debugPrint('Heartbeat started');
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}
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/// 停止心跳
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void stop() {
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_timer?.cancel();
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_timer = null;
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_running = false;
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_onlineSeconds = 0;
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debugPrint('Heartbeat stopped');
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}
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Future<void> _tick() async {
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_onlineSeconds += _interval.inSeconds;
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try {
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final loc = LocationService.instance.last;
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await UserApi.instance.heartbeat(
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lat: (loc?['latitude'] as num?)?.toDouble(),
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lng: (loc?['longitude'] as num?)?.toDouble(),
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onlineTime: _onlineSeconds,
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);
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Constant.heartbeatTime = DateTime.now().millisecondsSinceEpoch;
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} catch (e) {
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debugPrint('Heartbeat tick failed: $e');
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Constant.weberror = true;
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}
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}
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/// 重置在线时长（接单/完成后调用）
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void resetOnlineTime() {
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_onlineSeconds = 0;
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}
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void dispose() {
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stop();
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}
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} |