Blueberry ring

lib/features/dapps/subfeatures/open_dapp/domain/domain.dart

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+export  'utils/utils.dart';
+export 'helpers/helpers.dart';
+export 'entities/entities.dart';
+export 'dapps_errors.dart';

lib/features/dapps/subfeatures/open_dapp/domain/helpers/helpers.dart

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+export 'js_channels/js_channel.dart';

lib/features/dapps/subfeatures/open_dapp/domain/helpers/js_channels/bluetooth_helper.dart

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+import 'dart:async';
+import 'dart:typed_data';
+
+import 'package:collection/collection.dart';
+import 'package:datadashwallet/features/common/common.dart';
+import 'package:datadashwallet/features/settings/subfeatures/dapp_hooks/dapp_hooks.dart';
+import 'package:flutter/material.dart';
+import 'package:mxc_logic/mxc_logic.dart';
+import 'package:flutter_blue_plus/flutter_blue_plus.dart' as blue_plus;
+
+import '../../../open_dapp.dart';
+
+class BluetoothHelper {
+  BluetoothHelper({
+    required this.state,
+    required this.context,
+    required this.translate,
+    required this.collectLog,
+    required this.bluetoothUseCase,
+    required this.navigator,
+    required this.minerHooksHelper,
+    required this.loading,
+    required this.characteristicListenerTimer,
+    required characteristicValueStreamSubscription,
+  });
+
+  OpenDAppState state;
+  BluetoothUseCase bluetoothUseCase;
+  void Function(String line) collectLog;
+  NavigatorState? navigator;
+  MinerHooksHelper minerHooksHelper;
+  BuildContext? context;
+  String? Function(String) translate;
+  void Function(bool v) loading;
+  Timer? characteristicListenerTimer;
+  StreamSubscription<List<int>>? characteristicValueStreamSubscription;
+
+  Future<Map<String, dynamic>> handleBluetoothRequestDevice(
+    Map<String, dynamic> channelData,
+  ) async {
+    // final options = RequestDeviceOptions.fromJson(channelData['data']);
+    final options = RequestDeviceOptions.fromMap(channelData);
+    late BluetoothDevice responseDevice;
+
+    await bluetoothUseCase.turnOnBluetoothAndProceed();
+
+    //  Get the options data
+    bluetoothUseCase.startScanning(
+      withServices: options.filters != null
+          ? options.filters!
+              .expand((filter) => filter.services ?? [])
+              .toList()
+              .firstOrNull
+          : [],
+      withRemoteIds:
+          null, // No direct mapping in RequestDeviceOptions, adjust as necessary
+      withNames: options.filters != null
+          ? options.filters!
+              .where((filter) => filter.name != null)
+              .map((filter) => filter.name!)
+              .toList()
+          : [],
+      withKeywords: options.filters != null
+          ? options.filters!
+              .where((filter) => filter.namePrefix != null)
+              .map((filter) => filter.namePrefix!)
+              .toList()
+          : [],
+      withMsd: options.filters != null
+          ? options.filters!
+              .expand((filter) => filter.manufacturerData ?? [])
+              .toList()
+              .firstOrNull
+          : [],
+      withServiceData: options.filters != null
+          ? options.filters!
+              .expand((filter) => filter.serviceData ?? [])
+              .toList()
+              .firstOrNull
+          : [],
+      continuousUpdates: true,
+      continuousDivisor: 2,
+      androidUsesFineLocation: true,
+    );
+
+    final blueberryRing = await getBlueberryRing();
+    bluetoothUseCase.stopScanner();
+    if (blueberryRing == null) {
+      return {};
+    } else {
+      responseDevice = blueberryRing;
+    }
+
+    return responseDevice.toMap();
+  }
+
+  // GATT server
+  Future<Map<String, dynamic>> handleBluetoothRemoteGATTServerGetPrimaryService(
+      Map<String, dynamic> data) async {
+    collectLog('handleBluetoothRemoteGATTServerGetPrimaryService : $data');
+    final selectedService = await BluetoothEntitiesUtils.getSelectedService(
+        data['service'], state.selectedScanResult!);
+
+    final device = BluetoothDevice.getBluetoothDeviceFromScanResult(
+        state.selectedScanResult!);
+    final bluetoothRemoteGATTService =
+        BluetoothRemoteGATTService.fromBluetoothService(
+            device, selectedService);
+    return bluetoothRemoteGATTService.toMap();
+  }
+
+  void initJSCharacteristicValueEmitter(
+    blue_plus.BluetoothCharacteristic characteristic,
+  ) async {
+    await characteristic.setNotifyValue(true);
+
+    characteristicValueStreamSubscription =
+        characteristic.lastValueStream.listen((event) async {
+      final uInt8List = Uint8List.fromList(event);
+      collectLog('characteristicValueStreamSubscription:event $event');
+      collectLog(
+          'characteristicValueStreamSubscription:uInt8List ${uInt8List.toString()}');
+      final script = '''
+      navigator.bluetooth.updateCharacteristicValue('${characteristic.uuid.str}', ${uInt8List.toString()},);
+      ''';
+      await state.webviewController!.evaluateJavascript(source: script);
+    });
+  }
+
+  void removeJSCharacteristicValueEmitter(
+    blue_plus.BluetoothCharacteristic characteristic,
+  ) async {
+    await characteristic.setNotifyValue(false);
+
+    characteristicValueStreamSubscription?.cancel();
+  }
+
+  Future<Map<String, dynamic>> handleBluetoothRemoteGATTServerConnect(
+      Map<String, dynamic> data) async {
+    collectLog('handleBluetoothRemoteGATTServerConnect : $data');
+    await bluetoothUseCase.connectionHandler(state.selectedScanResult!.device);
+
+    return BluetoothRemoteGATTServer(
+            device: BluetoothDevice.getBluetoothDeviceFromScanResult(
+                state.selectedScanResult!),
+            connected: true)
+        .toMap();
+  }
+
+  // Service
+  Future<Map<String, dynamic>>
+      handleBluetoothRemoteGATTServiceGetCharacteristic(
+          Map<String, dynamic> data) async {
+    collectLog('handleBluetoothRemoteGATTServiceGetCharacteristic : $data');
+    final targetCharacteristicUUID = data['characteristic'];
+
+    final selectedService = await BluetoothEntitiesUtils.getSelectedService(
+        data['this'], state.selectedScanResult!);
+    final targetCharacteristic =
+        BluetoothEntitiesUtils.getSelectedCharacteristic(
+            targetCharacteristicUUID, selectedService);
+
+    final device = BluetoothDevice.getBluetoothDeviceFromScanResult(
+        state.selectedScanResult!);
+    final bluetoothRemoteGATTService =
+        BluetoothRemoteGATTService.fromBluetoothService(
+            device, selectedService);
+    final bluetoothRemoteGATTCharacteristic = BluetoothRemoteGATTCharacteristic(
+        service: bluetoothRemoteGATTService,
+        properties:
+            BluetoothCharacteristicProperties.fromCharacteristicProperties(
+                targetCharacteristic.properties),
+        uuid: targetCharacteristic.uuid.str,
+        value: null);
+    return bluetoothRemoteGATTCharacteristic.toMap();
+  }
+
+  Future<Map<String, dynamic>>
+      handleBluetoothRemoteGATTCharacteristicStartNotifications(
+          Map<String, dynamic> data) async {
+    collectLog(
+        'handleBluetoothRemoteGATTCharacteristicStartNotifications : $data');
+    final selectedService = await BluetoothEntitiesUtils.getSelectedService(
+        data['serviceUUID'], state.selectedScanResult!);
+    final selectedCharacteristic =
+        BluetoothEntitiesUtils.getSelectedCharacteristic(
+            data['this'], selectedService);
+
+    final bluetoothRemoteGATTCharacteristic =
+        BluetoothEntitiesUtils.getBluetoothRemoteGATTCharacteristic(
+            selectedCharacteristic, selectedService, state.selectedScanResult!);
+
+    initJSCharacteristicValueEmitter(selectedCharacteristic);
+
+    return bluetoothRemoteGATTCharacteristic.toMap();
+  }
+
+  Future<Map<String, dynamic>>
+      handleBluetoothRemoteGATTCharacteristicStopNotifications(
+          Map<String, dynamic> data) async {
+    collectLog(
+        'handleBluetoothRemoteGATTCharacteristicStopNotifications : $data');
+    final selectedService = await BluetoothEntitiesUtils.getSelectedService(
+        data['serviceUUID'], state.selectedScanResult!);
+    final selectedCharacteristic =
+        BluetoothEntitiesUtils.getSelectedCharacteristic(
+            data['this'], selectedService);
+
+    final bluetoothRemoteGATTCharacteristic =
+        BluetoothEntitiesUtils.getBluetoothRemoteGATTCharacteristic(
+            selectedCharacteristic, selectedService, state.selectedScanResult!);
+
+    removeJSCharacteristicValueEmitter(selectedCharacteristic);
+
+    return bluetoothRemoteGATTCharacteristic.toMap();
+  }
+
+  Future<Map<String, dynamic>> handleWrites(Map<String, dynamic> data,
+      {bool withResponse = true}) async {
+    collectLog('handleWrites : $data');
+    final selectedService = await BluetoothEntitiesUtils.getSelectedService(
+        data['serviceUUID'], state.selectedScanResult!);
+    final selectedCharacteristic =
+        BluetoothEntitiesUtils.getSelectedCharacteristic(
+            data['this'], selectedService);
+    final value = Uint8List.fromList(List<int>.from(
+        (data['value'] as Map<String, dynamic>).values.toList()));
+
+    collectLog('handleWrites:value $value');
+    if (withResponse) {
+      await selectedCharacteristic.write(value);
+    } else {
+      await selectedCharacteristic.write(value, withoutResponse: true);
+    }
+    return {};
+  }
+
+  Future<Map<String, dynamic>>
+      handleBluetoothRemoteGATTCharacteristicWriteValue(
+          Map<String, dynamic> data) async {
+    return handleWrites(data);
+  }
+
+  Future<Map<String, dynamic>>
+      handleBluetoothRemoteGATTCharacteristicWriteValueWithResponse(
+          Map<String, dynamic> data) async {
+    return handleWrites(data);
+  }
+
+  Future<Map<String, dynamic>>
+      handleBluetoothRemoteGATTCharacteristicWriteValueWithoutResponse(
+          Map<String, dynamic> data) async {
+    return handleWrites(data, withResponse: false);
+  }
+
+  Future<dynamic> handleBluetoothRemoteGATTCharacteristicReadValue(
+      Map<String, dynamic> data) async {
+    collectLog('handleBluetoothRemoteGATTCharacteristicReadValue : $data');
+    final selectedService = await BluetoothEntitiesUtils.getSelectedService(
+        data['serviceUUID'], state.selectedScanResult!);
+    final selectedCharacteristic =
+        BluetoothEntitiesUtils.getSelectedCharacteristic(
+            data['this'], selectedService);
+    final value = selectedCharacteristic.lastValue;
+
+    final uInt8List = Uint8List.fromList(value);
+
+    collectLog('handleBluetoothRemoteGATTCharacteristicReadValue:value $value');
+    collectLog(
+        'handleBluetoothRemoteGATTCharacteristicReadValue:uInt8List ${uInt8List.toString()}');
+
+    return uInt8List;
+  }
+
+  Future<BluetoothDevice?> getBlueberryRing() async {
+    loading(true);
+    return Future.delayed(const Duration(seconds: 3), () async {
+      loading(false);
+      BluetoothDevice? responseDevice;
+      final scanResults = bluetoothUseCase.scanResults.value;
+      if (scanResults.length == 1) {
+        // only one scan results
+        final scanResult = scanResults.first;
+        state.selectedScanResult = scanResult;
+      } else {
+        // We need to let the user to choose If two or more devices of rings are available and even If empty maybe let the user to wait
+        final scanResult = await showBlueberryRingsBottomSheet(
+          context!,
+        );
+        if (scanResult != null) {
+          state.selectedScanResult = scanResult;
+        }
+      }
+      if (state.selectedScanResult != null) {
+        responseDevice = BluetoothDevice.getBluetoothDeviceFromScanResult(
+            state.selectedScanResult!);
+      }
+
+      return responseDevice;
+    });
+  }
+}