channels method Null safety

Future<Channels> channels(
  1. [List<String>? publicIds]
)

사용자가 특정 카카오톡 채널을 추가했는지 확인

Implementation

Future<Channels> channels([List<String>? publicIds]) async {
  return ApiFactory.handleApiError(() async {
    Response response = await _dio.get(Constants.v1ChannelsPath,
        queryParameters: publicIds == null
            ? {}
            : {Constants.channelPublicIds: jsonEncode(publicIds)});
    return Channels.fromJson(response.data);
  });
}