[CST-10632] fixes in LDN configuration/code

dspace-api/src/main/java/org/dspace/app/ldn/LDNMessageConsumer.java

@@ -11,14 +11,22 @@ import static java.lang.String.format;
 
 import java.io.IOException;
 import java.sql.SQLException;
+import java.util.ArrayList;
+import java.util.Collections;
+import java.util.Date;
 import java.util.List;
 import java.util.Locale;
 import java.util.Objects;
 import java.util.Optional;
 import java.util.UUID;
 
+import com.fasterxml.jackson.core.JsonProcessingException;
+import com.fasterxml.jackson.databind.JsonMappingException;
+import com.fasterxml.jackson.databind.ObjectMapper;
 import org.apache.commons.collections4.CollectionUtils;
+import org.apache.commons.lang3.StringUtils;
 import org.dspace.app.ldn.factory.NotifyServiceFactory;
+import org.dspace.app.ldn.model.Notification;
 import org.dspace.app.ldn.service.LDNMessageService;
 import org.dspace.app.ldn.service.NotifyPatternToTriggerService;
 import org.dspace.content.Bitstream;
@@ -79,7 +87,7 @@ public class LDNMessageConsumer implements Consumer {
         patternsToTrigger.forEach(patternToTrigger -> {
             try {
                 createLDNMessage(context, patternToTrigger);
-            } catch (SQLException e) {
+            } catch (Exception e) {
                 throw new RuntimeException(e);
             }
         });
@@ -87,17 +95,29 @@ public class LDNMessageConsumer implements Consumer {
     }
 
     private void createLDNMessage(Context context, NotifyPatternToTrigger patternToTrigger)
-        throws SQLException {
+        throws SQLException, JsonMappingException, JsonProcessingException {
 
         LDN ldn = getLDNMessage(patternToTrigger.getPattern());
-
         LDNMessageEntity ldnMessage =
             ldnMessageService.create(context, format("urn:uuid:%s", UUID.randomUUID()));
 
         ldnMessage.setObject(patternToTrigger.getItem());
         ldnMessage.setTarget(patternToTrigger.getNotifyService());
         ldnMessage.setQueueStatus(LDNMessageEntity.QUEUE_STATUS_QUEUED);
+        ldnMessage.setQueueTimeout(new Date());
+
         appendGeneratedMessage(ldn, ldnMessage, patternToTrigger.getPattern());
+
+        ObjectMapper mapper = new ObjectMapper();
+        Notification notification = mapper.readValue(ldnMessage.getMessage(), Notification.class);
+        ldnMessage.setType(StringUtils.joinWith(",", notification.getType()));
+
+        ArrayList<String> notificationTypeArrayList = new ArrayList<String>(notification.getType());
+        // sorting the list
+        Collections.sort(notificationTypeArrayList);
+        ldnMessage.setActivityStreamType(notificationTypeArrayList.get(0));
+        ldnMessage.setCoarNotifyType(notificationTypeArrayList.get(1));
+
         ldnMessageService.update(context, ldnMessage);
     }
 

dspace-api/src/main/java/org/dspace/app/ldn/action/SendLDNMessageAction.java

@@ -9,6 +9,9 @@ package org.dspace.app.ldn.action;
 
 import static org.dspace.app.ldn.RdfMediaType.APPLICATION_JSON_LD;
 
+import java.util.ArrayList;
+import java.util.List;
+
 import org.apache.logging.log4j.LogManager;
 import org.apache.logging.log4j.Logger;
 import org.dspace.app.ldn.converter.JsonLdHttpMessageConverter;
@@ -19,6 +22,7 @@ import org.springframework.http.HttpEntity;
 import org.springframework.http.HttpHeaders;
 import org.springframework.http.HttpStatus;
 import org.springframework.http.ResponseEntity;
+import org.springframework.http.converter.HttpMessageConverter;
 import org.springframework.web.client.RestTemplate;
 
 /**
@@ -34,12 +38,16 @@ public class SendLDNMessageAction implements LDNAction {
 
     public SendLDNMessageAction() {
         restTemplate = new RestTemplate();
-        restTemplate.getMessageConverters().add(new JsonLdHttpMessageConverter());
+        List<HttpMessageConverter<?>> messageConverters = new ArrayList<HttpMessageConverter<?>>();
+        messageConverters.add(new JsonLdHttpMessageConverter());
+        messageConverters.addAll(restTemplate.getMessageConverters());
+        restTemplate.setMessageConverters(messageConverters);
     }
 
     @Override
     public ActionStatus execute(Context context, Notification notification, Item item) throws Exception {
         //TODO authorization with Bearer token should be supported.
+
         HttpHeaders headers = new HttpHeaders();
         headers.add("Content-Type", APPLICATION_JSON_LD.toString());
 

dspace-api/src/main/java/org/dspace/app/ldn/processor/LDNMetadataProcessor.java

@@ -138,7 +138,12 @@ public class LDNMetadataProcessor implements LDNProcessor {
     private Item lookupItem(Context context, Notification notification) throws SQLException {
         Item item = null;
 
-        String url = notification.getContext().getId();
+        String url = null;
+        if (notification.getContext() != null) {
+            url = notification.getContext().getId();
+        } else {
+            url = notification.getObject().getId();
+        }
 
         log.info("Looking up item {}", url);
 

dspace/config/spring/api/ldn-coar-notify.xml

@@ -114,7 +114,7 @@
                 <entry>
                     <key>
                         <set>
-                            <value>Announce</value>
+                            <value>Offer</value>
                             <value>coar-notify:ReviewAction</value>
                         </set>
                     </key>
@@ -123,7 +123,7 @@
                 <entry>
                     <key>
                         <set>
-                            <value>Announce</value>
+                            <value>Offer</value>
                             <value>coar-notify:EndorsementAction</value>
                         </set>
                     </key>
@@ -132,7 +132,7 @@
                 <entry>
                     <key>
                         <set>
-                            <value>Announce</value>
+                            <value>Offer</value>
                             <value>coar-notify:IngestAction</value>
                         </set>
                     </key>