channels method Null safety
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);
});
}