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refactor: Fetch data from ring #272

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Jul 31, 2024
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refactor: Fetch data from ring #272

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145 changes: 28 additions & 117 deletions lib/features/common/packages/bluetooth/blueberry_ring/domain/blueberry_ring_use_case.dart
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Original file line number Diff line number Diff line change
Expand Up @@ -38,11 +38,6 @@ class BlueberryRingUseCase extends ReactiveUseCase {
late final ValueStream<BluetoothAdapterState> bluetoothStatus =
reactive(BluetoothAdapterState.off);

// if (state.selectedScanResult != null) {
// responseDevice = BluetoothDevice.getBluetoothDeviceFromScanResult(
// state.selectedScanResult!);
// }

void initBlueberryRingSelectedActions() {
selectedBlueberryRing.listen((event) {
if (event != null) {
Expand All @@ -52,7 +47,6 @@ class BlueberryRingUseCase extends ReactiveUseCase {
}

Future<void> getBlueberryRingBackground() async {
// if (bluetoothStatus.value == BluetoothAdapterState.off || bluetoothStatus.value = BluetoothAdapterState.unauthorized)
_bluetoothUseCase.startScanning(
withServices: [bluetoothServiceUUID],
// withNames: ['Mi Smart Band 4'],
Expand Down Expand Up @@ -163,18 +157,16 @@ class BlueberryRingUseCase extends ReactiveUseCase {
return await func();
}

Future<int> readLevel() async {
return checkEstablishment<int>(
Future<T> readData<T>(Uint8List Function() getCommandFunc, String dataName,
T Function(Uint8List) resolveData) async {
return checkEstablishment<T>(
() async {
final command = BlueberryCommands.readLevel();
collectLog('readLevel:command $command');
final command = getCommandFunc();
collectLog('read$dataName:command $command');

// Prepare to listen for the response before writing
final Stream<List<int>>? stream =
blueberryRingNotificationsCharacteristic.value?.lastValueStream;
if (stream == null) {
throw Exception('Value stream is not available.');
}
final Stream<List<int>> stream =
blueberryRingNotificationsCharacteristic.value!.lastValueStream;

// Create a completer to handle the response
final Completer<List<int>> completer = Completer<List<int>>();
Expand All @@ -183,7 +175,7 @@ class BlueberryRingUseCase extends ReactiveUseCase {
final StreamSubscription<List<int>> subscription =
stream.listen((element) {
if (element.isNotEmpty && element.first == command.first) {
collectLog('readLevel:value $element');
collectLog('read$dataName:value $element');
if (!completer.isCompleted) {
completer.complete(element);
}
Expand All @@ -198,107 +190,35 @@ class BlueberryRingUseCase extends ReactiveUseCase {
// Cancel the subscription to avoid memory leaks
await subscription.cancel();

collectLog('readLevel:value $value');
return BlueberryResolves.readLevel(Uint8List.fromList(value));
collectLog('read$dataName:value $value');
return resolveData(Uint8List.fromList(value));
},
);
}

Future<String> readVersion() async {
return checkEstablishment<String>(
() async {
final command = BlueberryCommands.readVersion();
collectLog('readVersion:command $command');
blueberryRingCharacteristic.value?.write(command);
final value = await blueberryRingNotificationsCharacteristic
.value?.lastValueStream
.firstWhere((element) =>
element.isNotEmpty && element.first == command.first);
collectLog('readVersion:value $value');
return BlueberryResolves.readVersion(Uint8List.fromList(value!));
},
);
}
Future<int> readLevel() async => readData<int>(
BlueberryCommands.readLevel, 'Level', BlueberryResolves.readLevel);

Future<Uint8List> readTime() async {
return checkEstablishment<Uint8List>(
() async {
final command = BlueberryCommands.readTime();
collectLog('readTime:command $command');
blueberryRingCharacteristic.value?.write(command);
final value = await blueberryRingNotificationsCharacteristic
.value?.lastValueStream
.firstWhere((element) =>
element.isNotEmpty && element.first == command.first);
collectLog('readTime:value $value');
return BlueberryResolves.readTime(Uint8List.fromList(value!));
},
);
}
Future<String> readVersion() async => readData<String>(
BlueberryCommands.readVersion, 'Version', BlueberryResolves.readVersion);

Future<List<PeriodicSleepData>> readSleep() async {
return checkEstablishment<List<PeriodicSleepData>>(
() async {
final command = BlueberryCommands.readSleep();
collectLog('readSleep:command $command');
blueberryRingCharacteristic.value?.write(command);
final value = await blueberryRingNotificationsCharacteristic
.value?.lastValueStream
.firstWhere((element) =>
element.isNotEmpty && element.first == command.first);
collectLog('readSleep:value $value');
return BlueberryResolves.readSleep(Uint8List.fromList(value!));
},
);
}
Future<Uint8List> readTime() async => readData<Uint8List>(
BlueberryCommands.readTime, 'Time', BlueberryResolves.readTime);

Future<List<BloodOxygensData>> readBloodOxygens() async {
return checkEstablishment<List<BloodOxygensData>>(
() async {
final command = BlueberryCommands.readBloodOxygens();
collectLog('readBloodOxygens:command $command');
blueberryRingCharacteristic.value?.write(command);
final value = await blueberryRingNotificationsCharacteristic
.value?.lastValueStream
.firstWhere((element) =>
element.isNotEmpty && element.first == command.first);
collectLog('readBloodOxygens:value $value');
return BlueberryResolves.readBloodOxygens(Uint8List.fromList(value!));
},
);
}
Future<List<PeriodicSleepData>> readSleep() async =>
readData<List<PeriodicSleepData>>(
BlueberryCommands.readSleep, 'Sleep', BlueberryResolves.readSleep);

Future<List<StepsData>> readSteps() async {
return checkEstablishment<List<StepsData>>(
() async {
final command = BlueberryCommands.readSteps();
collectLog('readSteps:command $command');
blueberryRingCharacteristic.value?.write(command);
final value = await blueberryRingNotificationsCharacteristic
.value?.lastValueStream
.firstWhere((element) =>
element.isNotEmpty && element.first == command.first);
collectLog('readSteps:value $value');
return BlueberryResolves.readSteps(Uint8List.fromList(value!));
},
);
}
Future<List<BloodOxygensData>> readBloodOxygens() async =>
readData<List<BloodOxygensData>>(BlueberryCommands.readBloodOxygens,
'BloodOxygens', BlueberryResolves.readBloodOxygens);

Future<List<HeartRateData>> readHeartRate() async {
return checkEstablishment<List<HeartRateData>>(
() async {
final command = BlueberryCommands.readHeartRates();
collectLog('readHeartRate:command $command');
blueberryRingCharacteristic.value?.write(command);
final value = await blueberryRingNotificationsCharacteristic
.value?.lastValueStream
.firstWhere((element) =>
element.isNotEmpty && element.first == command.first);
collectLog('readHeartRate:value $value');
return BlueberryResolves.readHeartRates(Uint8List.fromList(value!));
},
);
}
Future<List<StepsData>> readSteps() async => readData<List<StepsData>>(
BlueberryCommands.readSteps, 'Steps', BlueberryResolves.readSteps);

Future<List<HeartRateData>> readHeartRate() async =>
readData<List<HeartRateData>>(BlueberryCommands.readHeartRates,
'HeartRate', BlueberryResolves.readHeartRates);

Future<BluetoothCharacteristic> getBlueberryRingCharacteristic() async {
final service = await getBlueberryRingBluetoothService();
Expand All @@ -317,15 +237,6 @@ class BlueberryRingUseCase extends ReactiveUseCase {
return resp;
}

// Future<BluetoothCharacteristic>
// getBlueberryRingCharacteristicNotifications() async {
// final service = await getBlueberryRingBluetoothService();
// final resp = await _getBlueberryRingCharacteristic(
// service, bluetoothCharacteristicNotificationUUID);
// update(blueberryRinNotificationsCharacteristic, resp);
// return resp;
// }

// Future<void> startBlueberryRingCharacteristicNotifications() async {
// final characteristicNotifications =
// await getBlueberryRingCharacteristicNotifications();
Expand Down
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