Scan.fromResult constructor

Scan.fromResult(Object reqResult)

fromResult

Implementation

factory Scan.fromResult(Object reqResult) {
  int _cursor = 0;
  List<String> _keys = [];

  if (reqResult is RespType2<dynamic>) {
    final result = reqResult.toArray().payload;
    if (result != null && result.length == 2) {
      final element1 = result[0] as RespBulkString2;
      final payload1 = element1.payload;
      if (payload1 != null) {
        _cursor = int.parse(payload1);
      }

      final element2 = result[1] as RespArray2;
      final payload2 = element2.payload;
      if (payload2 != null) {
        _keys = payload2
            .cast<RespBulkString2>()
            .map((e) => e.payload!)
            .toList(growable: false);
      }
    }

    return Scan(
      cursor: _cursor,
      keys: _keys,
    );
  }

  final result = (reqResult as RespType3<dynamic>).toArray().payload;
  if (result != null && result.length == 2) {
    final element1 = result[0] as RespBulkString2;
    final payload1 = element1.payload;
    if (payload1 != null) {
      _cursor = int.parse(payload1);
    }

    final element2 = result[1] as RespArray2;
    final payload2 = element2.payload;
    if (payload2 != null) {
      _keys = payload2
          .cast<RespBulkString2>()
          .map((e) => e.payload!)
          .toList(growable: false);
    }
  }

  return Scan(
    cursor: _cursor,
    keys: _keys,
  );
}