package io.lumify.youtube;
import io.lumify.core.ingest.graphProperty.GraphPropertyWorkData;
import io.lumify.core.ingest.graphProperty.GraphPropertyWorker;
import io.lumify.core.ingest.video.VideoTranscript;
import io.lumify.core.model.audit.AuditAction;
import io.lumify.core.model.properties.LumifyProperties;
import org.securegraph.Element;
import org.securegraph.Property;
import org.securegraph.Vertex;
import org.securegraph.mutation.ExistingElementMutation;
import org.securegraph.property.StreamingPropertyValue;
import java.io.InputStream;
public class YoutubeTranscriptGraphPropertyWorker extends GraphPropertyWorker {
private static final String PROPERTY_KEY = YoutubeTranscriptGraphPropertyWorker.class.getName();
@Override
public void execute(InputStream in, GraphPropertyWorkData data) throws Exception {
StreamingPropertyValue youtubeccValue = YoutubeTranscriptFileImportSupportingFileHandler.YOUTUBE_CC.getPropertyValue(data.getElement());
VideoTranscript videoTranscript = YoutubeccReader.read(youtubeccValue.getInputStream());
ExistingElementMutation<Vertex> m = data.getElement().prepareMutation();
addVideoTranscriptAsTextPropertiesToMutation(m, PROPERTY_KEY, videoTranscript, data.createPropertyMetadata(), data.getVisibility());
Vertex v = m.save(getAuthorizations());
getAuditRepository().auditVertexElementMutation(AuditAction.UPDATE, m, v, PROPERTY_KEY, getUser(), data.getVisibility());
getAuditRepository().auditAnalyzedBy(AuditAction.ANALYZED_BY, v, getClass().getSimpleName(), getUser(), v.getVisibility());
getGraph().flush();
pushVideoTranscriptTextPropertiesOnWorkQueue(data.getElement(), PROPERTY_KEY, videoTranscript);
}
@Override
public boolean isHandled(Element element, Property property) {
if (property == null) {
return false;
}
StreamingPropertyValue youtubeccValue = YoutubeTranscriptFileImportSupportingFileHandler.YOUTUBE_CC.getPropertyValue(element);
if (youtubeccValue == null) {
return false;
}
if (!property.getName().equals(LumifyProperties.RAW.getPropertyName())) {
return false;
}
String mimeType = (String) property.getMetadata().get(LumifyProperties.MIME_TYPE.getPropertyName());
if (mimeType == null || !mimeType.startsWith("video")) {
return false;
}
return true;
}
}