GnssService osztály és refraktorálás a app_drawer miatt, shellview bevezetés.

2026-05-11 13:50:40 +02:00
parent f1a3753f36
commit af5d9d2c0b
18 changed files with 1048 additions and 192 deletions
@@ -0,0 +1,145 @@
+// lib/services/gnss_device_service.dart
+import 'package:flutter_bluetooth_serial/flutter_bluetooth_serial.dart';
+import 'package:flutter_blue_plus/flutter_blue_plus.dart';
+import 'package:get/get.dart';
+import 'package:shared_preferences/shared_preferences.dart';
+
+enum GnssConnectionType { btSerial, ble, phoneGps }
+
+class GnssDevice {
+  final String address;
+  final String name;
+  final GnssConnectionType type;
+  final int? rssi;
+
+  const GnssDevice({
+    required this.address,
+    required this.name,
+    required this.type,
+    this.rssi,
+  });
+
+  String get typeLabel => switch (type) {
+        GnssConnectionType.btSerial => 'BT Serial',
+        GnssConnectionType.ble => 'BLE',
+        GnssConnectionType.phoneGps => 'Telefon GPS',
+      };
+
+  Map<String, dynamic> toJson() => {
+        'address': address,
+        'name': name,
+        'type': type.name,
+      };
+
+  factory GnssDevice.fromJson(Map<String, dynamic> j) => GnssDevice(
+        address: j['address'] as String,
+        name: j['name'] as String,
+        type: GnssConnectionType.values
+            .byName(j['type'] as String? ?? 'btSerial'),
+      );
+}
+
+class GnssDeviceService extends GetxService {
+  static GnssDeviceService get to => Get.find();
+
+  // Kiválasztott eszköz — minden controller innen olvassa
+  final selectedDevice = Rxn<GnssDevice>();
+
+  // Elérhető eszközök listái
+  final pairedBtDevices = <GnssDevice>[].obs;
+  final scannedBleDevices = <GnssDevice>[].obs;
+  final isScanning = false.obs;
+
+  @override
+  Future<void> onInit() async {
+    super.onInit();
+    await _loadSelectedDevice();
+    await loadPairedBtDevices();
+  }
+
+  // ── Perzisztencia ────────────────────────────────────────────────
+
+  Future<void> _loadSelectedDevice() async {
+    final prefs = await SharedPreferences.getInstance();
+    final address = prefs.getString('gnss_address');
+    final name = prefs.getString('gnss_name');
+    final type = prefs.getString('gnss_type') ?? 'btSerial';
+
+    if (address != null && name != null) {
+      selectedDevice.value = GnssDevice(
+        address: address,
+        name: name,
+        type: GnssConnectionType.values.byName(type),
+      );
+    }
+  }
+
+  Future<void> selectDevice(GnssDevice device) async {
+    selectedDevice.value = device;
+    final prefs = await SharedPreferences.getInstance();
+    await prefs.setString('gnss_address', device.address);
+    await prefs.setString('gnss_name', device.name);
+    await prefs.setString('gnss_type', device.type.name);
+  }
+
+  Future<void> clearDevice() async {
+    selectedDevice.value = null;
+    final prefs = await SharedPreferences.getInstance();
+    await prefs.remove('gnss_address');
+    await prefs.remove('gnss_name');
+    await prefs.remove('gnss_type');
+  }
+
+  // ── BT Serial — párosított eszközök ─────────────────────────────
+
+  Future<void> loadPairedBtDevices() async {
+    try {
+      final bonded = await FlutterBluetoothSerial.instance.getBondedDevices();
+      pairedBtDevices.value = bonded
+          .where((d) => d.address != null && d.name != null)
+          .map((d) => GnssDevice(
+                address: d.address,
+                name: d.name ?? d.address,
+                type: GnssConnectionType.btSerial,
+              ))
+          .toList();
+    } catch (_) {}
+  }
+
+  // ── BLE — aktív keresés ──────────────────────────────────────────
+
+  Future<void> startBleScan() async {
+    if (isScanning.value) return;
+    scannedBleDevices.clear();
+    isScanning.value = true;
+
+    try {
+      await FlutterBluePlus.startScan(
+        timeout: const Duration(seconds: 8),
+      );
+
+      FlutterBluePlus.scanResults.listen((results) {
+        final devices = results
+            .where((r) => r.device.platformName.isNotEmpty)
+            .map((r) => GnssDevice(
+                  address: r.device.remoteId.str,
+                  name: r.device.platformName,
+                  type: GnssConnectionType.ble,
+                  rssi: r.rssi,
+                ))
+            .toList();
+        scannedBleDevices.value = devices;
+      });
+
+      await Future.delayed(const Duration(seconds: 8));
+    } finally {
+      await FlutterBluePlus.stopScan();
+      isScanning.value = false;
+    }
+  }
+
+  void stopBleScan() {
+    FlutterBluePlus.stopScan();
+    isScanning.value = false;
+  }
+}