imageRequest method

Implementation

Future<Image> imageRequest({
  final String? function,
  final Map<String, dynamic>? params,
  final Map<String, String?>? headers,
  final String? url,
  //final int timeout = 15000,
  final bool debug = false,
  final String method = 'GET',
}) async {
  final _dio = Dio(
    BaseOptions(
      headers: headers,
      method: method,
      responseType: ResponseType.json,
      contentType: 'application/json',
      connectTimeout: Duration(milliseconds: connectDuration),
      receiveTimeout: Duration(milliseconds: requestDuration),
    ),
  );

  late Response<Uint8List> response;

  try {
    if (!kIsWeb) {
      (_dio.httpClientAdapter as IOHttpClientAdapter).createHttpClient = () {
        final client = HttpClient();

        client.badCertificateCallback = (X509Certificate cert, String host, int port) => true;
        return client;
      };
    }
    if (method == 'GET') {
      response = await _dio.get<Uint8List>(
        url!,
        queryParameters: params,
        options: Options(responseType: ResponseType.bytes),
      );
    } else if (method == 'POST') {
      response = await _dio.post<Uint8List>(
        url!,
        data: params,
        options: Options(responseType: ResponseType.bytes),
      );
    }
    if (debug) {
      debugPrint('HTTP STATUS: ${response.statusCode}');
      //print(response.data);
    }

    return Image.memory(response.data!);
  } on DioException catch (e) {
    debugPrint('dio error. function: $function, error: ${e.error ?? ''}');
    throw NsgApiException(NsgApiError(code: 1, message: e.error?.toString() ?? 'Internet connection error', errorType: e.type));
  } catch (e) {
    debugPrint('network error. function: $function, error: $e');
    throw NsgApiException(NsgApiError(code: 0, message: '$e'));
  }
}