flutter_sdk/lib/src/advanced/starcloud_lock_state_service.dart

import 'package:starcloud/blue/blue_read_write.dart';
import 'package:starcloud/device/ble/protocol/public/lock_status_info.dart';

import '../core/starcloud_exception.dart';
import '../core/starcloud_lock_context.dart';
import 'models/lock_state_models.dart';

class StarCloudLockStateService {
  StarCloudLockStateService();

  LockStatusInfoCommand _buildReadLockStateCommand(
    StarCloudLockStateRequest request,
  ) {
    return LockStatusInfoCommand(
      lockID: request.lockId,
      userID: request.userId,
      utcTimeStamp: request.utcTimeStamp,
      unixTimeStamp: request.unixTimeStamp,
      privateKey: request.privateKey,
    );
  }

  List<int> buildReadLockStatePayload(
    StarCloudLockStateRequest request,
  ) {
    return _buildReadLockStateCommand(request).packageData();
  }

  Future<GetStarLockStatusInfoReply> readLockState(
    StarCloudLockStateRequest request, {
    Duration timeout = const Duration(seconds: 15),
  }) async {
    final command = _buildReadLockStateCommand(request);
    try {
      final reply = await BlueReadWrite.shareManager()!.writeAndReturn(
        command,
        getPrivateKey: () => request.privateKey,
      );
      return reply as GetStarLockStatusInfoReply;
    } catch (e) {
      throw StarCloudException(
        'Read lock state failed',
        raw: e,
      );
    }
  }

  Future<GetStarLockStatusInfoReply> readLockStateByContext(
    StarCloudLockContext context, {
    Duration timeout = const Duration(seconds: 15),
  }) {
    final now = DateTime.now();
    return readLockState(
      StarCloudLockStateRequest(
        lockId: context.lockId.toString(),
        userId: context.userId,
        utcTimeStamp: now.toUtc().millisecondsSinceEpoch ~/ 1000,
        unixTimeStamp: now.millisecondsSinceEpoch ~/ 1000,
        privateKey: context.privateKey,
      ),
      timeout: timeout,
    );
  }
}