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146
siro_driver/lib/controller/home/captin/behavior_controller.dart
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146
siro_driver/lib/controller/home/captin/behavior_controller.dart
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import 'dart:convert';
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import 'dart:math';
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import 'package:get/get.dart';
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import 'package:siro_driver/constant/box_name.dart';
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import 'package:siro_driver/constant/links.dart';
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import 'package:siro_driver/controller/functions/crud.dart';
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import '../../../constant/table_names.dart';
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import '../../../main.dart';
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import '../../../print.dart';
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class DriverBehaviorController extends GetxController {
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Future<List<Map<String, dynamic>>> getAllData() async {
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return await sql.getAllData(TableName.behavior);
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}
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var isLoading = false.obs;
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var overallScore = 100.0.obs;
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var lastTrips = [].obs;
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Future<void> fetchDriverBehavior() async {
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isLoading.value = true;
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try {
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final response = await CRUD().get(
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link: AppLink.get_driver_behavior,
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payload: {"driver_id": box.read(BoxName.driverID).toString()},
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);
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if (response != 'failure') {
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final json = jsonDecode(response);
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overallScore.value =
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double.parse(json['message']['overall_behavior_score'].toString());
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lastTrips.value = json['message']['last_10_trips'];
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} else {
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// Get.snackbar("Error", json['message'] ?? "Unknown error");
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}
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} catch (e) {
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// Get.snackbar("Error", "Exception: $e");
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Log.print('e: ${e}');
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} finally {
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isLoading.value = false;
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}
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}
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Future<Map<String, dynamic>> analyzeData() async {
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final data = await getAllData();
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if (data.isEmpty) return {};
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double maxSpeed = 0;
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double totalSpeed = 0;
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int hardBrakes = 0;
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double totalDistance = 0;
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// متغيرات للمقارنة مع النقطة السابقة
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double? prevLat, prevLng;
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DateTime? prevTime;
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// ترتيب البيانات حسب الوقت لضمان دقة الحساب (اختياري لكن مفضل)
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// data.sort((a, b) => a['created_at'].compareTo(b['created_at']));
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for (var item in data) {
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// 1. قراءة البيانات بالأسماء الصحيحة من الجدول
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double lat = item['latitude'] ?? item['lat'] ?? 0.0;
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double lng = item['longitude'] ?? item['lng'] ?? 0.0;
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double acc = item['acceleration'] ?? 0.0;
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// قراءة الوقت لحساب السرعة
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DateTime currentTime =
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DateTime.tryParse(item['created_at'].toString()) ?? DateTime.now();
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double currentSpeed = 0;
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// 2. حساب السرعة والمسافة إذا وجدت نقطة سابقة
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if (prevLat != null && prevLng != null && prevTime != null) {
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double distKm = _calculateDistance(prevLat, prevLng, lat, lng);
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int timeDiffSeconds = currentTime.difference(prevTime).inSeconds;
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if (timeDiffSeconds > 0) {
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// السرعة (كم/س) = (المسافة بالكيلومتر * 3600) / الزمن بالثواني
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currentSpeed = (distKm * 3600) / timeDiffSeconds;
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}
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totalDistance += distKm;
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}
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// تحديث القيم الإحصائية
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if (currentSpeed > maxSpeed) maxSpeed = currentSpeed;
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totalSpeed += currentSpeed;
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// حساب الفرملة القوية (يعتمد على التسارع المحفوظ مسبقاً)
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if (acc.abs() > 3.0) hardBrakes++;
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// حفظ النقطة الحالية لتكون هي "السابقة" في الدورة التالية
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prevLat = lat;
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prevLng = lng;
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prevTime = currentTime;
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}
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// تجنب القسمة على صفر
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double avgSpeed = (data.length > 1) ? totalSpeed / (data.length - 1) : 0;
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// حساب تقييم السلوك
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double behaviorScore = 100 - (hardBrakes * 5) - ((maxSpeed > 100) ? 10 : 0);
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behaviorScore = behaviorScore.clamp(0.0, 100.0);
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return {
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'max_speed': maxSpeed,
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'avg_speed': avgSpeed,
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'hard_brakes': hardBrakes,
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'total_distance': totalDistance,
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'behavior_score': behaviorScore,
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};
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}
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Future<void> sendSummaryToServer(String driverId, String tripId) async {
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final summary = await analyzeData();
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if (summary.isEmpty) return;
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final Map<String, dynamic> body = {
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'driver_id': driverId,
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'trip_id': tripId,
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...summary, // فيه doubles
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};
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// اجبر كل القيم على String
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final payload = body.map((k, v) => MapEntry(k, v?.toString() ?? ''));
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await CRUD().post(link: AppLink.saveBehavior, payload: payload);
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await clearData();
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}
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Future<void> clearData() async {
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await sql.deleteAllData(TableName.behavior);
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}
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double _calculateDistance(
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double lat1, double lon1, double lat2, double lon2) {
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const p = 0.017453292519943295;
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final a = 0.5 -
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cos((lat2 - lat1) * p) / 2 +
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cos(lat1 * p) * cos(lat2 * p) * (1 - cos((lon2 - lon1) * p)) / 2;
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return 12742 * asin(sqrt(a)); // distance in km
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}
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}
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