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package eu.dnetlib.data.mapreduce.hbase.broker;
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import java.io.IOException;
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import java.util.Map;
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import java.util.Set;
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import com.google.common.base.Predicate;
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import com.google.common.collect.Iterables;
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import com.google.common.collect.Lists;
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import com.google.common.collect.Maps;
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import com.google.common.collect.Sets;
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import eu.dnetlib.broker.objects.Instance;
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import eu.dnetlib.broker.objects.OpenAireEventPayload;
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import eu.dnetlib.broker.objects.Project;
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import eu.dnetlib.broker.objects.Provenance;
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import eu.dnetlib.data.mapreduce.hbase.broker.mapping.HighlightFactory;
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import eu.dnetlib.data.mapreduce.hbase.broker.mapping.OpenAireEventPayloadFactory;
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import eu.dnetlib.data.mapreduce.hbase.broker.mapping.ProtoMapping;
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import eu.dnetlib.data.mapreduce.hbase.broker.model.EventMessage;
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import eu.dnetlib.data.mapreduce.util.DedupUtils;
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import eu.dnetlib.data.proto.OafProtos.Oaf;
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import eu.dnetlib.data.proto.OafProtos.OafEntity;
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import org.apache.commons.lang.StringUtils;
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import org.apache.hadoop.io.Text;
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import org.apache.hadoop.mapreduce.Reducer.Context;
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import org.dom4j.DocumentException;
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import static eu.dnetlib.data.mapreduce.hbase.broker.mapping.EventFactory.asEvent;
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import static eu.dnetlib.data.mapreduce.util.OafHbaseUtils.getValue;
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@SuppressWarnings("rawtypes")
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public class ProjectEventFactory extends ProtoMapping {
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private static String COUNTER_GROUP = "Broker Enrichment projects";
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private Set<String> inferenceProvenance = Sets.newHashSet("sysimport:mining:repository", "iis");
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private Set<String> aggregationProvenance = Sets.newHashSet("sysimport:crosswalk:repository");
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protected Text tKey = new Text("");
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public static void process(final Context context, final Oaf current, final Oaf other, final Float trust)
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throws IOException, InterruptedException, DocumentException {
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/*
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if (!current.getRel().hasCachedOafTarget() || (other != null && !other.getRel().hasCachedOafTarget())) {
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context.getCounter(COUNTER_GROUP, "events skipped: missing project 2nd step").increment(1);
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return;
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}
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*/
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new ProjectEventFactory().processProject(context, current, other, trust);
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}
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public static void process(final Context context, final Oaf current)
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throws IOException, InterruptedException, DocumentException {
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process(context, current, null, null);
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}
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private void processProject(final Context context, final Oaf current, final Oaf other, final Float trust)
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throws IOException, InterruptedException, DocumentException {
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if (other == null) {
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for (final Oaf oafRel : current.getEntity().getCachedOafRelList()) {
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final String provenance = oafRel.getDataInfo().getProvenanceaction().getClassid();
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if (inferenceProvenance.contains(provenance)) {
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final OafEntity project = oafRel.getRel().getCachedOafTarget().getEntity();
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doProcessProject(context, current, current, project, provenance, Topic.ENRICH_MISSING_PROJECT, trust(trust, oafRel));
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}
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}
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} else {
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for (final Oaf currentOafRel : current.getEntity().getCachedOafRelList()) {
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for (final Oaf otherOafRel : other.getEntity().getCachedOafRelList()) {
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final String currentTarget = currentOafRel.getRel().getTarget();
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final String otherTarget = otherOafRel.getRel().getTarget();
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if (!currentTarget.equals(otherTarget) && !DedupUtils.isRoot(current.getEntity().getId())) {
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final String provenance = otherOafRel.getDataInfo().getProvenanceaction().getClassid();
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final OafEntity project = otherOafRel.getRel().getCachedOafTarget().getEntity();
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boolean currentHasProject = Iterables.tryFind(current.getEntity().getCachedOafRelList(), new Predicate<Oaf>() {
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@Override
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public boolean apply(final Oaf oaf) {
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final String currentProjectId = oaf.getRel().getCachedOafTarget().getEntity().getId();
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//System.out.println(String.format("%s = %s ? %s", currentProjectId, project.getId(), currentProjectId.equals(project.getId())));
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return currentProjectId.equals(project.getId());
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}
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}).isPresent();
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if (!currentHasProject) {
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//System.out.println(String.format("generating event for other = %s\n\nproject = %s", other, project));
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doProcessProject(context, current, other, project, provenance, Topic.ENRICH_MISSING_PROJECT, trust(trust, currentOafRel));
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}
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}
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}
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}
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}
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}
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private void doProcessProject(final Context context,
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final Oaf current,
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final Oaf other,
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final OafEntity project,
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final String provenance,
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final Topic topic,
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final Float trust)
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throws IOException, InterruptedException, DocumentException {
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final OafEntity currentEntity = current.getEntity();
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final OafEntity otherEntity = other.getEntity();
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//System.out.println("ProjectEventFactory.doProcessProject = " + entity);
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final Provenance prov = getProvenance(otherEntity, provenance);
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final OpenAireEventPayload payload = addProject(OpenAireEventPayloadFactory.fromOAF(currentEntity, trust, prov), project);
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final EventMessage event = asEvent(currentEntity, topic, payload, otherEntity, trust);
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event.setPayload(HighlightFactory.highlightEnrichProject(payload, project, provenance).toJSON());
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context.write(tKey, new Text(event.toString()));
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context.getCounter(COUNTER_GROUP, "Event: " + topic.getValue()).increment(1);
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}
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private OpenAireEventPayload addProject(final OpenAireEventPayload payload, final OafEntity project) {
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final Map<String, Project> projects = Maps.newHashMap();
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for(Project prj : payload.getPublication().getProjects()) {
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projects.put(prj.getCode() + prj.getTitle(), prj);
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}
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final Project hlProject = mapRelatedProject(project.getProject());
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projects.put(hlProject.getCode() + hlProject.getTitle(), hlProject);
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payload.getPublication().setProjects(Lists.newArrayList(projects.values()));
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return payload;
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}
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private Provenance getProvenance(final OafEntity entity, final String provenance) {
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if (inferenceProvenance.contains(provenance)) {
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return new Provenance()
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.setRepositoryName("OpenAIRE")
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.setUrl("https://beta.openaire.eu/search/publication?articleId=" + StringUtils.substringAfter(entity.getId(), "|"))
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.setId(Iterables.getFirst(entity.getOriginalIdList(), ""));
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}
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return new Provenance()
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.setRepositoryName(getValue(entity.getCollectedfromList()))
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.setUrl(Iterables.getFirst(mapInstances(entity.getResult().getInstanceList()), new Instance()).getUrl())
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.setId(getValue(entity.getOriginalIdList()));
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}
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private Float trust(final Float trust, final Oaf oaf) {
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final Float provenanceTrust = Float.valueOf(oaf.getDataInfo().getTrust());
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return trust != null ? trust * provenanceTrust : provenanceTrust;
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}
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}
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