77 lines
2.2 KiB
Dart
77 lines
2.2 KiB
Dart
// lib/features/devices/domain/services/path_planning_service.dart
|
|
import 'dart:collection';
|
|
import 'package:flutter/cupertino.dart';
|
|
import '../data/models/device_add_path_point_model.dart';
|
|
|
|
class PathPlanningService {
|
|
static final PathPlanningService _instance = PathPlanningService._internal();
|
|
factory PathPlanningService() => _instance;
|
|
PathPlanningService._internal();
|
|
|
|
// 🔥 核心：全局唯一的可变队列
|
|
final Queue<DeviceAddPathPointModel> locationQueue = Queue();
|
|
|
|
bool isRunning = false;
|
|
int currentIndex = 0;
|
|
int totalCount = 0;
|
|
|
|
/// 🔥 存：生成路径后立即存储
|
|
void updateQueue(List<DeviceAddPathPointModel> locations) {
|
|
debugPrint('进入[PathPlanningService]updateQueue方法尝试更新空队列');
|
|
if (locations.isEmpty) {
|
|
debugPrint('⚠️ [PathPlanningService] 尝试更新空队列');
|
|
return;
|
|
}
|
|
|
|
locationQueue.clear();
|
|
locationQueue.addAll(locations);
|
|
currentIndex = 0;
|
|
totalCount = locations.length;
|
|
|
|
debugPrint('✅ [PathPlanningService] 队列已更新，共 $totalCount 个点');
|
|
}
|
|
|
|
/// 🔥 取：发送时取出第一个点
|
|
DeviceAddPathPointModel? removeFirst() {
|
|
if (locationQueue.isEmpty) {
|
|
debugPrint('⚠️ [PathPlanningService] 队列为空');
|
|
return null;
|
|
}
|
|
|
|
final point = locationQueue.removeFirst();
|
|
currentIndex++;
|
|
|
|
debugPrint(
|
|
'📍 [PathPlanningService] 取出第 $currentIndex/$totalCount 个点：'
|
|
'${point.latitude}, ${point.longitude}',
|
|
);
|
|
|
|
return point;
|
|
}
|
|
|
|
/// 🔥 获取进度
|
|
int get remainingCount => locationQueue.length;
|
|
int get completedCount => currentIndex;
|
|
double get progress => totalCount == 0 ? 0.0 : currentIndex / totalCount;
|
|
|
|
bool get isEmpty => locationQueue.isEmpty;
|
|
bool get isNotEmpty => locationQueue.isNotEmpty;
|
|
|
|
/// 🔥 清空（作业完成或停止时）
|
|
void clear() {
|
|
locationQueue.clear();
|
|
isRunning = false;
|
|
currentIndex = 0;
|
|
totalCount = 0;
|
|
debugPrint('🧹 [PathPlanningService] 队列已清空');
|
|
}
|
|
|
|
|
|
int get length => locationQueue.length;
|
|
|
|
/// 获取当前队列（供 Cubit 使用）
|
|
Queue<DeviceAddPathPointModel> getQueue() {
|
|
return Queue.of(locationQueue);
|
|
}
|
|
}
|