render method

Future<List<TimeSeries>?> render(
  1. Map<String, dynamic> request
)

Timeseries values

Returns a timeseries of the values of the selected metric

Parameters:

Implementation

Future<List<TimeSeries>?> render(
  Map<String, dynamic> request,
) async {
  List<String> target = await RequestParser().parseRequest(request: request);
  final response = await renderWithHttpInfo(
    target,
    from: request["from"],
    until: request["until"],
    maxDataPoints: request["maxDataPoints"],
  );

  if (response.statusCode >= HttpStatus.badRequest) {
    throw ApiException(response.statusCode, await _decodeBodyBytes(response));
  }

  // When a remote server returns no body with a status of 204, we shall not decode it.
  // At the time of writing this, `dart:convert` will throw an "Unexpected end of input"
  // FormatException when trying to decode an empty string.
  if (response.body.isNotEmpty &&
      response.statusCode != HttpStatus.noContent) {
    final responseBody = await _decodeBodyBytes(response);
    return (await apiClient.deserializeAsync(responseBody, 'List<TimeSeries>')
            as List)
        .cast<TimeSeries>()
        .toList();
  }
  return null;
}