Return released dates as part of complex details response

src/main/java/uk/ac/ebi/intact/service/complex/ws/ComplexManager.java

@@ -17,13 +17,19 @@
 import uk.ac.ebi.intact.dataexchange.psimi.solr.complex.ComplexSearchResults;
 import uk.ac.ebi.intact.jami.dao.IntactDao;
 import uk.ac.ebi.intact.jami.model.extension.IntactComplex;
+import uk.ac.ebi.intact.jami.model.lifecycle.LifeCycleEvent;
+import uk.ac.ebi.intact.jami.model.lifecycle.LifeCycleEventType;
 import uk.ac.ebi.intact.service.complex.ws.model.ComplexDetails;
 import uk.ac.ebi.intact.service.complex.ws.model.ComplexRestResult;
 import uk.ac.ebi.intact.service.complex.ws.utils.IntactComplexUtils;
 
+import java.text.DateFormat;
+import java.text.SimpleDateFormat;
 import java.util.ArrayList;
 import java.util.Collection;
+import java.util.Date;
 import java.util.List;
+import java.util.Objects;
 import java.util.stream.Collectors;
 
 @Log4j
@@ -64,6 +70,8 @@ public <ResultType> search(@PathVariable String <variable>) {
     /*      Private attributes      */
     /********************************/
 
+    private static final DateFormat DATE_FORMAT = new SimpleDateFormat("yyyy-MM-dd");
+    private static final DateFormat DATE_FORMAT_OLD = new SimpleDateFormat("yyyyMMdd");
 
     private final DataProvider dataProvider;
     private final IntactDao intactDao;
@@ -107,7 +115,8 @@ private ComplexDetails newComplexDetails(IntactComplex complex) {
                 .antagonists(IntactComplexUtils.getAntagonists(complex))
                 .comments(IntactComplexUtils.getComments(complex))
                 .predictedComplex(complex.isPredictedComplex())
-                .evidenceType(IntactComplexUtils.createEvidenceType(complex.getEvidenceType()));
+                .evidenceType(IntactComplexUtils.createEvidenceType(complex.getEvidenceType()))
+                .releaseDates(getReleaseDates(complex));
         IntactComplexUtils.setParticipants(complex, details);
         IntactComplexUtils.setCrossReferences(complex, details);
         return details.build();
@@ -236,4 +245,35 @@ private ComplexFinderResult.PartialMatch<ComplexDetails> mapPartialMatch(
                 complexMatch.getProteinMissingInComplex(),
                 newComplexDetails(complexMatch.getComplex()));
     }
+
+    private List<String> getReleaseDates(IntactComplex complex) {
+        return complex.getLifecycleEvents().stream()
+                .filter(event -> LifeCycleEventType.RELEASED.equals(event.getEvent()))
+                .map(this::getReleaseDate)
+                .filter(Objects::nonNull)
+                .sorted()
+                .map(DATE_FORMAT::format)
+                .distinct()
+                .collect(Collectors.toList());
+    }
+
+    private Date getReleaseDate(LifeCycleEvent lifeCycleEvent) {
+        String dateString = lifeCycleEvent.getNote().replaceAll("release_", "");
+        Date date = safeParseDate(DATE_FORMAT, dateString);
+        if (date == null) {
+            date = safeParseDate(DATE_FORMAT_OLD, dateString);
+            if (date == null) {
+                date = lifeCycleEvent.getWhen();
+            }
+        }
+        return date;
+    }
+
+    private Date safeParseDate(DateFormat dateFormat, String dateString) {
+        try {
+            return dateFormat.parse(dateString);
+        } catch (Throwable e1) {
+            return null;
+        }
+    }
 }

src/main/java/uk/ac/ebi/intact/service/complex/ws/model/ComplexDetails.java

@@ -5,6 +5,7 @@
 import lombok.Value;
 
 import java.util.Collection;
+import java.util.List;
 
 /**
  * This class is to map the details of a complex retrieved from the DB
@@ -39,4 +40,5 @@ public class ComplexDetails {
     Collection<String> comments;
     boolean predictedComplex;
     ComplexDetailsEvidenceType evidenceType;
+    List<String> releaseDates;
 }