run method

@override void run()

Runs this command.

The return value is wrapped in a Future if necessary and returned by CommandRunner.runCommand.

Implementation

@override
void run() async {
  try {
    await initializeGoogleVision();

    final annotatedResponses = await annotateImage();

    final scores = <double>[];

    (argResults!['features'] as String).split(',').forEach((feature) {
      switch (AnnotationType.values.byName(feature)) {
        case AnnotationType.faceDetection:
          scores.addAll(annotatedResponses.responses.first.faceAnnotations
              .map((faceAnnotation) => faceAnnotation.detectionConfidence)
              .toList());
          break;

        case AnnotationType.landmarkDetection:
        case AnnotationType.logoDetection:
        case AnnotationType.labelDetection:
        case AnnotationType.textDetection:
        case AnnotationType.objectLocalization:
          scores.addAll(annotatedResponses.responses.first.annotations
              .map((annotation) => annotation.score!)
              .toList());
          break;

        default:
          throw UsageException(
              '${AnnotationType.values.byName(feature)} is not supported for this command.',
              usage);
      }
    });

    print(json.encode(scores));
  } on DioException catch (err) {
    throw UsageException('API usage error:', err.usage);
  }
}