handleDioError function

ScrellaApiException handleDioError(DioException error, { dynamic setErrorMessage(String message, int? statusCode)?, })

Implementation

ScrellaApiException handleDioError(
  DioException error, {
  Function(String message, int? statusCode)? setErrorMessage,
}) {
  if (error.response != null) {
    final statusCode = error.response?.statusCode;
    final data = error.response?.data;

    final message = data is Map && data['message'] != null
        ? data['message'].toString()
        : (data is Map && data['title'] != null
              ? data['title'].toString()
              : 'Request failed with status code $statusCode');
    setErrorMessage?.call(message, statusCode);
    //print("error.response?.data: ${error.response?.data?.toString()}");
    //print("error.requestOptions: ${error.requestOptions.headers.toString()}");
    return ScrellaApiException(message, statusCode: statusCode);
  }

  switch (error.type) {
    case DioExceptionType.connectionTimeout:
      setErrorMessage?.call(
        'Connection timeout. Please try again.',
        ScrellaApiErrorState.connectionTimeout.index,
      );
      return ScrellaApiException(
        'Connection timeout. Please try again.',
        statusCode: ScrellaApiErrorState.connectionTimeout.index,
      );
    case DioExceptionType.sendTimeout:
      setErrorMessage?.call(
        'Request timeout. Please try again.',
        ScrellaApiErrorState.requestTimeout.index,
      );
      return ScrellaApiException(
        'Request timeout. Please try again.',
        statusCode: ScrellaApiErrorState.requestTimeout.index,
      );
    case DioExceptionType.receiveTimeout:
      setErrorMessage?.call(
        'Response timeout. Please try again.',
        ScrellaApiErrorState.responseTimeout.index,
      );
      return ScrellaApiException(
        'Response timeout. Please try again.',
        statusCode: ScrellaApiErrorState.responseTimeout.index,
      );
    case DioExceptionType.connectionError:
      setErrorMessage?.call(
        'No internet connection.',
        ScrellaApiErrorState.noInternet.index,
      );
      return ScrellaApiException(
        'No internet connection.',
        statusCode: ScrellaApiErrorState.noInternet.index,
      );
    case DioExceptionType.cancel:
      setErrorMessage?.call(
        'Request was cancelled.',
        ScrellaApiErrorState.cancelled.index,
      );
      return ScrellaApiException(
        'Request was cancelled.',
        statusCode: ScrellaApiErrorState.cancelled.index,
      );
    default:
      setErrorMessage?.call(
        'Unexpected error occurred.',
        ScrellaApiErrorState.unknown.index,
      );
      return ScrellaApiException(
        'Unexpected error occurred.',
        statusCode: ScrellaApiErrorState.unknown.index,
      );
  }
}