Merge branch 'dspace-origin-master' into w2p-76575_IT-for-deleting-items-and-populating-virtual-md

# Conflicts:
#	dspace-api/src/main/java/org/dspace/content/RelationshipServiceImpl.java
#	dspace-server-webapp/src/test/java/org/dspace/app/rest/RelationshipRestRepositoryIT.java

dspace-api/src/main/java/org/dspace/app/util/DCInput.java

@@ -145,6 +145,7 @@ public class DCInput {
     private String relationshipType = null;
     private String searchConfiguration = null;
     private String filter;
+    private List<String> externalSources;
 
     /**
      * The scope of the input sets, this restricts hidden metadata fields from
@@ -226,6 +227,15 @@ public class DCInput {
         relationshipType = fieldMap.get("relationship-type");
         searchConfiguration = fieldMap.get("search-configuration");
         filter = fieldMap.get("filter");
+        externalSources = new ArrayList<>();
+        String externalSourcesDef = fieldMap.get("externalsources");
+        if (StringUtils.isNotBlank(externalSourcesDef)) {
+            String[] sources = StringUtils.split(externalSourcesDef, ",");
+            for (String source: sources) {
+                externalSources.add(StringUtils.trim(source));
+            }
+        }
+
     }
 
     /**
@@ -522,6 +532,10 @@ public class DCInput {
         return filter;
     }
 
+    public List<String> getExternalSources() {
+        return externalSources;
+    }
+
     public boolean isQualdropValue() {
         if ("qualdrop_value".equals(getInputType())) {
             return true;

dspace-api/src/main/java/org/dspace/content/RelationshipServiceImpl.java

@@ -10,6 +10,7 @@ package org.dspace.content;
 import java.sql.SQLException;
 import java.util.Collections;
 import java.util.Comparator;
+import java.util.LinkedList;
 import java.util.List;
 
 import org.apache.commons.collections4.CollectionUtils;
@@ -19,12 +20,14 @@ import org.apache.logging.log4j.Logger;
 import org.dspace.authorize.AuthorizeException;
 import org.dspace.authorize.service.AuthorizeService;
 import org.dspace.content.dao.RelationshipDAO;
+import org.dspace.content.service.EntityTypeService;
 import org.dspace.content.service.ItemService;
 import org.dspace.content.service.RelationshipService;
 import org.dspace.content.service.RelationshipTypeService;
 import org.dspace.content.virtual.VirtualMetadataPopulator;
 import org.dspace.core.Constants;
 import org.dspace.core.Context;
+import org.dspace.services.ConfigurationService;
 import org.springframework.beans.factory.annotation.Autowired;
 
 public class RelationshipServiceImpl implements RelationshipService {
@@ -43,6 +46,12 @@ public class RelationshipServiceImpl implements RelationshipService {
     @Autowired(required = true)
     protected RelationshipTypeService relationshipTypeService;
 
+    @Autowired
+    private ConfigurationService configurationService;
+
+    @Autowired
+    private EntityTypeService entityTypeService;
+
     @Autowired
     private RelationshipMetadataService relationshipMetadataService;
     @Autowired
@@ -90,6 +99,7 @@ public class RelationshipServiceImpl implements RelationshipService {
                 Relationship relationshipToReturn = relationshipDAO.create(context, relationship);
                 updatePlaceInRelationship(context, relationshipToReturn);
                 update(context, relationshipToReturn);
+                updateItemsInRelationship(context, relationship);
                 return relationshipToReturn;
             } else {
                 throw new AuthorizeException(
@@ -234,6 +244,10 @@ public class RelationshipServiceImpl implements RelationshipService {
                                          Integer maxCardinality,
                                          RelationshipType relationshipType,
                                          boolean isLeft) throws SQLException {
+        if (maxCardinality == null) {
+            //no need to check the relationships
+            return true;
+        }
         List<Relationship> rightRelationships = findByItemAndRelationshipType(context, itemToProcess, relationshipType,
                                                                               isLeft);
         if (maxCardinality != null && rightRelationships.size() >= maxCardinality) {
@@ -243,7 +257,8 @@ public class RelationshipServiceImpl implements RelationshipService {
     }
 
     private boolean verifyEntityTypes(Item itemToProcess, EntityType entityTypeToProcess) {
-        List<MetadataValue> list = itemService.getMetadata(itemToProcess, "relationship", "type", null, Item.ANY);
+        List<MetadataValue> list = itemService.getMetadata(itemToProcess, "relationship", "type",
+                null, Item.ANY, false);
         if (list.isEmpty()) {
             return false;
         }
@@ -362,6 +377,7 @@ public class RelationshipServiceImpl implements RelationshipService {
             authorizeService.authorizeActionBoolean(context, relationship.getRightItem(), Constants.WRITE)) {
             relationshipDAO.delete(context, relationship);
             updatePlaceInRelationship(context, relationship);
+                updateItemsInRelationship(context, relationship);
         } else {
             throw new AuthorizeException(
                 "You do not have write rights on this relationship's items");
@@ -369,6 +385,128 @@ public class RelationshipServiceImpl implements RelationshipService {
     }
 
 
+
+    /**
+     * Utility method to ensure discovery is updated for the 2 items
+     * This method is used when creating, modifying or deleting a relationship
+     * The virtual metadata of the 2 items may need to be updated, so they should be re-indexed
+     *
+     * @param context           The relevant DSpace context
+     * @param relationship      The relationship which has been created, updated or deleted
+     * @throws SQLException     If something goes wrong
+     */
+    private void updateItemsInRelationship(Context context, Relationship relationship) throws SQLException {
+        // Since this call is performed after creating, updating or deleting the relationships, the permissions have
+        // already been verified. The following updateItem calls can however call the
+        // ItemService.update() functions which would fail if the user doesn't have permission on both items.
+        // Since we allow this edits to happen under these circumstances, we need to turn off the
+        // authorization system here so that this failure doesn't happen when the items need to be update
+        context.turnOffAuthorisationSystem();
+        try {
+            // Set a limit on the total amount of items to update at once during a relationship change
+            int max = configurationService.getIntProperty("relationship.update.relateditems.max", 20);
+            // Set a limit on the total depth of relationships to traverse during a relationship change
+            int maxDepth = configurationService.getIntProperty("relationship.update.relateditems.maxdepth", 5);
+            // This is the list containing all items which will have changes to their virtual metadata
+            List<Item> itemsToUpdate = new LinkedList<>();
+            itemsToUpdate.add(relationship.getLeftItem());
+            itemsToUpdate.add(relationship.getRightItem());
+
+            if (containsVirtualMetadata(relationship.getRelationshipType().getLeftwardType())) {
+                findModifiedDiscoveryItemsForCurrentItem(context, relationship.getLeftItem(),
+                                           itemsToUpdate, max, 0, maxDepth);
+            }
+            if (containsVirtualMetadata(relationship.getRelationshipType().getRightwardType())) {
+                findModifiedDiscoveryItemsForCurrentItem(context, relationship.getRightItem(),
+                                            itemsToUpdate, max, 0, maxDepth);
+            }
+
+            for (Item item : itemsToUpdate) {
+                updateItem(context, item);
+            }
+        } catch (AuthorizeException e) {
+            log.error("Authorization Exception while authorization has been disabled", e);
+        } finally {
+            context.restoreAuthSystemState();
+        }
+    }
+
+    /**
+     * Search for items whose metadata should be updated in discovery and adds them to itemsToUpdate
+     * It starts from the given item, excludes items already in itemsToUpdate (they're already handled),
+     * and can be limited in amount of items or depth to update
+     */
+    private void findModifiedDiscoveryItemsForCurrentItem(Context context, Item item, List<Item> itemsToUpdate,
+                                                          int max, int currentDepth, int maxDepth)
+        throws SQLException {
+        if (itemsToUpdate.size() >= max) {
+            log.debug("skipping findModifiedDiscoveryItemsForCurrentItem for item "
+                    + item.getID() + " due to " + itemsToUpdate.size() + " items to be updated");
+            return;
+        }
+        if (currentDepth == maxDepth) {
+            log.debug("skipping findModifiedDiscoveryItemsForCurrentItem for item "
+                    + item.getID() + " due to " + currentDepth + " depth");
+            return;
+        }
+        String entityTypeStringFromMetadata = relationshipMetadataService.getEntityTypeStringFromMetadata(item);
+        EntityType actualEntityType = entityTypeService.findByEntityType(context, entityTypeStringFromMetadata);
+        // Get all types of relations for the current item
+        List<RelationshipType> relationshipTypes = relationshipTypeService.findByEntityType(context, actualEntityType);
+        for (RelationshipType relationshipType : relationshipTypes) {
+            //are we searching for items where the current item is on the left
+            boolean isLeft = relationshipType.getLeftType().equals(actualEntityType);
+
+            // Verify whether there's virtual metadata configured for this type of relation
+            // If it's not present, we don't need to update the virtual metadata in discovery
+            String typeToSearchInVirtualMetadata;
+            if (isLeft) {
+                typeToSearchInVirtualMetadata = relationshipType.getRightwardType();
+            } else {
+                typeToSearchInVirtualMetadata = relationshipType.getLeftwardType();
+            }
+            if (containsVirtualMetadata(typeToSearchInVirtualMetadata)) {
+                // we have a relationship type where the items attached to the current item will inherit
+                // virtual metadata from the current item
+                // retrieving the actual relationships so the related items can be updated
+                List<Relationship> list = findByItemAndRelationshipType(context, item, relationshipType, isLeft);
+                for (Relationship foundRelationship : list) {
+                    Item nextItem;
+                    if (isLeft) {
+                        // current item on the left, next item is on the right
+                        nextItem = foundRelationship.getRightItem();
+                    } else {
+                        nextItem = foundRelationship.getLeftItem();
+                    }
+
+                    // verify it hasn't been processed yet
+                    if (!itemsToUpdate.contains(nextItem)) {
+                        itemsToUpdate.add(nextItem);
+                        // continue the process for the next item, it may also inherit item from the current item
+                        findModifiedDiscoveryItemsForCurrentItem(context, nextItem,
+                                itemsToUpdate, max, currentDepth + 1, maxDepth);
+                    }
+                }
+            } else {
+                log.debug("skipping " + relationshipType.getID()
+                        + " in findModifiedDiscoveryItemsForCurrentItem for item "
+                        + item.getID() + " because no relevant virtual metadata was found");
+            }
+        }
+    }
+
+    /**
+     * Verifies whether there is virtual metadata generated for the given relationship
+     * If no such virtual metadata exists, there's no need to update the items in discovery
+     * @param typeToSearchInVirtualMetadata     a leftWardType or rightWardType of a relationship type
+     *                                          This can be e.g. isAuthorOfPublication
+     * @return                                  true if there is virtual metadata for this relationship
+     */
+    private boolean containsVirtualMetadata(String typeToSearchInVirtualMetadata) {
+        return virtualMetadataPopulator.getMap().containsKey(typeToSearchInVirtualMetadata)
+                && virtualMetadataPopulator.getMap().get(typeToSearchInVirtualMetadata).size() > 0;
+    }
+
     /**
      * Converts virtual metadata from RelationshipMetadataValue objects to actual item metadata.
      *

dspace-api/src/main/java/org/dspace/content/virtual/Related.java

@@ -18,9 +18,7 @@ import org.dspace.content.Item;
 import org.dspace.content.Relationship;
 import org.dspace.content.RelationshipType;
 import org.dspace.content.service.EntityService;
-import org.dspace.content.service.EntityTypeService;
 import org.dspace.content.service.RelationshipService;
-import org.dspace.content.service.RelationshipTypeService;
 import org.dspace.core.Context;
 import org.springframework.beans.factory.annotation.Autowired;
 
@@ -36,15 +34,9 @@ import org.springframework.beans.factory.annotation.Autowired;
  */
 public class Related implements VirtualMetadataConfiguration {
 
-    @Autowired
-    private RelationshipTypeService relationshipTypeService;
-
     @Autowired
     private RelationshipService relationshipService;
 
-    @Autowired
-    private EntityTypeService entityTypeService;
-
     @Autowired
     private EntityService entityService;
 
@@ -172,12 +164,12 @@ public class Related implements VirtualMetadataConfiguration {
         }
 
         for (Relationship relationship : relationships) {
-            if (relationship.getRelationshipType().getLeftType() == entityType) {
+            if (relationship.getRelationshipType().getLeftType().equals(entityType)) {
                 if (place == null || relationship.getLeftPlace() == place) {
                     Item otherItem = relationship.getRightItem();
                     return virtualMetadataConfiguration.getValues(context, otherItem);
                 }
-            } else if (relationship.getRelationshipType().getRightType() == entityType) {
+            } else if (relationship.getRelationshipType().getRightType().equals(entityType)) {
                 if (place == null || relationship.getRightPlace() == place) {
                     Item otherItem = relationship.getLeftItem();
                     return virtualMetadataConfiguration.getValues(context, otherItem);

dspace-api/src/main/java/org/dspace/discovery/configuration/DiscoveryConfigurationService.java

@@ -44,7 +44,7 @@ public class DiscoveryConfigurationService {
     public DiscoveryConfiguration getDiscoveryConfiguration(IndexableObject dso) {
         String name;
         if (dso == null) {
-            name = "site";
+            name = "default";
         } else if (dso instanceof IndexableDSpaceObject) {
             name = ((IndexableDSpaceObject) dso).getIndexedObject().getHandle();
         } else {

dspace-api/src/test/data/dspaceFolder/config/submission-forms.xml

@@ -63,6 +63,7 @@
                         <dc-qualifier>author</dc-qualifier>
                         <input-type>name</input-type>
                     </linked-metadata-field>
+                    <externalsources>orcid,my_staff_db</externalsources>
                     <required></required>
                 </relation-field>
             </row>
@@ -242,6 +243,7 @@ it, please enter the types and the actual numbers or codes.</hint>
          <filter>creativework.publisher:somepublishername</filter>
          <label>Journal</label>
          <hint>Select the journal related to this volume.</hint>
+         <externalsources></externalsources>
        </relation-field>
      </row>
      <row>

dspace-api/src/test/java/org/dspace/content/RelationshipServiceImplTest.java

@@ -17,10 +17,13 @@ import java.util.List;
 
 import org.dspace.authorize.service.AuthorizeService;
 import org.dspace.content.dao.RelationshipDAO;
+import org.dspace.content.service.EntityTypeService;
 import org.dspace.content.service.ItemService;
+import org.dspace.content.service.RelationshipTypeService;
 import org.dspace.content.virtual.VirtualMetadataPopulator;
 import org.dspace.core.Constants;
 import org.dspace.core.Context;
+import org.dspace.services.ConfigurationService;
 import org.junit.Before;
 import org.junit.Test;
 import org.junit.runner.RunWith;
@@ -56,6 +59,18 @@ public class RelationshipServiceImplTest {
     @Mock
     private VirtualMetadataPopulator virtualMetadataPopulator;
 
+    @Mock
+    private RelationshipTypeService relationshipTypeService;
+
+    @Mock
+    private RelationshipMetadataService relationshipMetadataService;
+
+    @Mock
+    private EntityTypeService entityTypeService;
+
+    @Mock
+    private ConfigurationService configurationService;
+
     @Before
     public void init() {
         relationshipsList = new ArrayList<>();
@@ -212,8 +227,8 @@ public class RelationshipServiceImplTest {
         when(metsList.get(0).getValue()).thenReturn("Entitylabel");
         when(relationshipService
                 .findByItemAndRelationshipType(context, leftItem, testRel, true)).thenReturn(leftTypelist);
-        when(itemService.getMetadata(leftItem, "relationship", "type", null, Item.ANY)).thenReturn(metsList);
+        when(itemService.getMetadata(leftItem, "relationship", "type", null, Item.ANY, false)).thenReturn(metsList);
-        when(itemService.getMetadata(rightItem, "relationship", "type", null, Item.ANY)).thenReturn(metsList);
+        when(itemService.getMetadata(rightItem, "relationship", "type", null, Item.ANY, false)).thenReturn(metsList);
         when(relationshipDAO.create(any(), any())).thenReturn(relationship);
 
         // The reported Relationship should match our defined relationship
@@ -290,8 +305,8 @@ public class RelationshipServiceImplTest {
         relationship = getRelationship(leftItem, rightItem, testRel, 0,0);
 
         // Mock the state of objects utilized in update() to meet the success criteria of the invocation
-        when(itemService.getMetadata(leftItem, "relationship", "type", null, Item.ANY)).thenReturn(metsList);
+        when(itemService.getMetadata(leftItem, "relationship", "type", null, Item.ANY, false)).thenReturn(metsList);
-        when(itemService.getMetadata(rightItem, "relationship", "type", null, Item.ANY)).thenReturn(metsList);
+        when(itemService.getMetadata(rightItem, "relationship", "type", null, Item.ANY, false)).thenReturn(metsList);
         when(authorizeService.authorizeActionBoolean(context, relationship.getLeftItem(),
                 Constants.WRITE)).thenReturn(true);
 

dspace-server-webapp/src/main/java/org/dspace/app/rest/converter/SubmissionFormConverter.java

@@ -11,6 +11,7 @@ import java.util.ArrayList;
 import java.util.LinkedList;
 import java.util.List;
 
+import org.apache.commons.collections.CollectionUtils;
 import org.apache.commons.lang3.StringUtils;
 import org.dspace.app.rest.model.ScopeEnum;
 import org.dspace.app.rest.model.SubmissionFormFieldRest;
@@ -174,6 +175,9 @@ public class SubmissionFormConverter implements DSpaceConverter<DCInputSet, Subm
         selectableRelationship.setFilter(dcinput.getFilter());
         selectableRelationship.setSearchConfiguration(dcinput.getSearchConfiguration());
         selectableRelationship.setNameVariants(String.valueOf(dcinput.areNameVariantsAllowed()));
+        if (CollectionUtils.isNotEmpty(dcinput.getExternalSources())) {
+            selectableRelationship.setExternalSources(dcinput.getExternalSources());
+        }
         return selectableRelationship;
     }
 

dspace-server-webapp/src/main/java/org/dspace/app/rest/link/externalsources/ExternalSourceHalLinkFactory.java

@@ -12,6 +12,8 @@ import java.util.LinkedList;
 import org.dspace.app.rest.ExternalSourcesRestController;
 import org.dspace.app.rest.link.HalLinkFactory;
 import org.dspace.app.rest.model.hateoas.ExternalSourceResource;
+import org.dspace.services.ConfigurationService;
+import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.data.domain.Pageable;
 import org.springframework.hateoas.Link;
 import org.springframework.stereotype.Component;
@@ -21,14 +23,18 @@ import org.springframework.stereotype.Component;
  */
 @Component
 public class ExternalSourceHalLinkFactory extends
-                                          HalLinkFactory<ExternalSourceResource, ExternalSourcesRestController> {
+        HalLinkFactory<ExternalSourceResource, ExternalSourcesRestController> {
+    @Autowired
+    ConfigurationService configurationService;
 
     @Override
     protected void addLinks(ExternalSourceResource halResource, Pageable pageable, LinkedList<Link> list)
-        throws Exception {
+            throws Exception {
 
-        list.add(buildLink("entries", getMethodOn()
+        String dspaceServerUrl = configurationService.getProperty("dspace.server.url");
-            .getExternalSourceEntries(halResource.getContent().getName(), "", null, null, null)));
+        list.add(
+                buildLink("entries", dspaceServerUrl + "/api/integration/externalsources/" +
+                        halResource.getContent().getName() + "/entries"));
 
     }
 

dspace-server-webapp/src/main/java/org/dspace/app/rest/model/query/RestSearchOperator.java

@@ -7,6 +7,9 @@
  */
 package org.dspace.app.rest.model.query;
 
+import java.util.ArrayList;
+import java.util.Arrays;
+import java.util.List;
 import java.util.regex.Matcher;
 import java.util.regex.Pattern;
 
@@ -95,4 +98,19 @@ public enum RestSearchOperator {
     public String getDspaceOperator() {
         return dspaceOperator;
     }
+
+    /**
+     * Returns a list of dspace operators of this enum's values, plus "query" which is also allowed, but will be
+     * transformed in {@link org.dspace.app.rest.converter.query.SearchQueryConverter} to any of the others
+     *
+     * @return List of dspace operators of this enum's values, plus "query"
+     */
+    public static List<String> getListOfAllowedSearchOperatorStrings() {
+        List<String> allowedSearchOperatorStrings = new ArrayList<>();
+        for (RestSearchOperator restSearchOperator: Arrays.asList(RestSearchOperator.values())) {
+            allowedSearchOperatorStrings.add(restSearchOperator.getDspaceOperator());
+        }
+        allowedSearchOperatorStrings.add("query");
+        return allowedSearchOperatorStrings;
+    }
 }

dspace-server-webapp/src/main/java/org/dspace/app/rest/model/submit/SelectableRelationship.java

@@ -7,6 +7,8 @@
  */
 package org.dspace.app.rest.model.submit;
 
+import java.util.List;
+
 /**
  * The SelectableRelationship REST Resource. It is not addressable directly, only
  * used as inline object in the InputForm resource.
@@ -24,6 +26,7 @@ public class SelectableRelationship {
     private String filter;
     private String searchConfiguration;
     private String nameVariants;
+    private List<String> externalSources;
 
     public void setRelationshipType(String relationshipType) {
         this.relationshipType = relationshipType;
@@ -56,4 +59,12 @@ public class SelectableRelationship {
     public String getNameVariants() {
         return nameVariants;
     }
+
+    public List<String> getExternalSources() {
+        return externalSources;
+    }
+
+    public void setExternalSources(List<String> externalSources) {
+        this.externalSources = externalSources;
+    }
 }

dspace-server-webapp/src/main/java/org/dspace/app/rest/parameter/resolver/SearchFilterResolver.java

@@ -13,6 +13,8 @@ import java.util.LinkedList;
 import java.util.List;
 
 import org.apache.commons.lang3.StringUtils;
+import org.dspace.app.rest.exception.UnprocessableEntityException;
+import org.dspace.app.rest.model.query.RestSearchOperator;
 import org.dspace.app.rest.parameter.SearchFilter;
 import org.springframework.core.MethodParameter;
 import org.springframework.web.bind.support.WebDataBinderFactory;
@@ -29,13 +31,15 @@ public class SearchFilterResolver implements HandlerMethodArgumentResolver {
     public static final String SEARCH_FILTER_PREFIX = "f.";
     public static final String FILTER_OPERATOR_SEPARATOR = ",";
 
+    public static final List<String> ALLOWED_SEARCH_OPERATORS =
+        RestSearchOperator.getListOfAllowedSearchOperatorStrings();
+
     public boolean supportsParameter(final MethodParameter parameter) {
         return parameter.getParameterType().equals(SearchFilter.class) || isSearchFilterList(parameter);
     }
 
     public Object resolveArgument(final MethodParameter parameter, final ModelAndViewContainer mavContainer,
-                                  final NativeWebRequest webRequest, final WebDataBinderFactory binderFactory)
+                                  final NativeWebRequest webRequest, final WebDataBinderFactory binderFactory) {
-        throws Exception {
         List<SearchFilter> result = new LinkedList<>();
 
         Iterator<String> parameterNames = webRequest.getParameterNames();
@@ -48,7 +52,7 @@ public class SearchFilterResolver implements HandlerMethodArgumentResolver {
                 for (String value : webRequest.getParameterValues(parameterName)) {
                     String filterValue = StringUtils.substringBeforeLast(value, FILTER_OPERATOR_SEPARATOR);
                     String filterOperator = StringUtils.substringAfterLast(value, FILTER_OPERATOR_SEPARATOR);
-
+                    this.checkIfValidOperator(filterOperator);
                     result.add(new SearchFilter(filterName, filterOperator, filterValue));
                 }
             }
@@ -61,6 +65,19 @@ public class SearchFilterResolver implements HandlerMethodArgumentResolver {
         }
     }
 
+    private void checkIfValidOperator(String filterOperator) {
+        if (StringUtils.isNotBlank(filterOperator)) {
+            if (!ALLOWED_SEARCH_OPERATORS.contains(filterOperator.trim())) {
+                throw new UnprocessableEntityException(
+                    "The operator can't be \"" + filterOperator + "\", must be the of one of: " +
+                    String.join(", ", ALLOWED_SEARCH_OPERATORS));
+            }
+        } else {
+            throw new UnprocessableEntityException(
+                "The operator can't be empty, must be the one of: " + String.join(", ", ALLOWED_SEARCH_OPERATORS));
+        }
+    }
+
     private boolean isSearchFilterList(final MethodParameter parameter) {
         return parameter.getParameterType().equals(List.class)
             && parameter.getGenericParameterType() instanceof ParameterizedType

dspace-server-webapp/src/main/java/org/dspace/app/rest/repository/RelationshipRestRepository.java

@@ -124,15 +124,6 @@ public class RelationshipRestRepository extends DSpaceRestRepository<Relationshi
                 Relationship relationship = relationshipService.create(context, leftItem, rightItem,
                                                                        relationshipType, -1, -1,
                                                                        leftwardValue, rightwardValue);
-                // The above if check deals with the case that a Relationship can be created if the user has write
-                // rights on one of the two items. The following updateItem calls can however call the
-                // ItemService.update() functions which would fail if the user doesn't have permission on both items.
-                // Since we allow this creation to happen under these circumstances, we need to turn off the
-                // authorization system here so that this failure doesn't happen when the items need to be update
-                context.turnOffAuthorisationSystem();
-                relationshipService.updateItem(context, relationship.getLeftItem());
-                relationshipService.updateItem(context, relationship.getRightItem());
-                context.restoreAuthSystemState();
                 return converter.toRest(relationship, utils.obtainProjection());
             } else {
                 throw new AccessDeniedException("You do not have write rights on this relationship's items");

dspace-server-webapp/src/test/java/org/dspace/app/rest/DiscoveryRestControllerIT.java

@@ -2370,7 +2370,7 @@ public class DiscoveryRestControllerIT extends AbstractControllerIntegrationTest
     }
 
     @Test
-    public void discoverSearchObjectsWithQueryOperatorContains() throws Exception {
+    public void discoverSearchObjectsWithQueryOperatorContains_query() throws Exception {
         //We turn off the authorization system in order to create the structure as defined below
         context.turnOffAuthorisationSystem();
 
@@ -2445,7 +2445,83 @@ public class DiscoveryRestControllerIT extends AbstractControllerIntegrationTest
     }
 
     @Test
-    public void discoverSearchObjectsWithQueryOperatorNotContains() throws Exception {
+    public void discoverSearchObjectsWithQueryOperatorContains() throws Exception {
+        //We turn off the authorization system in order to create the structure as defined below
+        context.turnOffAuthorisationSystem();
+
+        //** GIVEN **
+        //1. A community-collection structure with one parent community with sub-community and two collections.
+        parentCommunity = CommunityBuilder.createCommunity(context)
+                                          .withName("Parent Community")
+                                          .build();
+        Community child1 = CommunityBuilder.createSubCommunity(context, parentCommunity)
+                                           .withName("Sub Community")
+                                           .build();
+        Collection col1 = CollectionBuilder.createCollection(context, child1).withName("Collection 1").build();
+        Collection col2 = CollectionBuilder.createCollection(context, child1).withName("Collection 2").build();
+        //2. Three public items that are readable by Anonymous with different subjects
+        Item publicItem1 = ItemBuilder.createItem(context, col1)
+                                      .withTitle("Test")
+                                      .withIssueDate("2010-10-17")
+                                      .withAuthor("Smith, Donald")
+                                      .withSubject("ExtraEntry")
+                                      .build();
+
+        Item publicItem2 = ItemBuilder.createItem(context, col2)
+                                      .withTitle("Test 2")
+                                      .withIssueDate("1990-02-13")
+                                      .withAuthor("Smith, Maria").withAuthor("Doe, Jane").withAuthor("Testing, Works")
+                                      .withSubject("TestingForMore").withSubject("ExtraEntry")
+                                      .build();
+
+        Item publicItem3 = ItemBuilder.createItem(context, col2)
+                                      .withTitle("Public item 2")
+                                      .withIssueDate("2010-02-13")
+                                      .withAuthor("Smith, Maria").withAuthor("Doe, Jane").withAuthor("test,test")
+                                      .withAuthor("test2, test2").withAuthor("Maybe, Maybe")
+                                      .withSubject("AnotherTest").withSubject("TestingForMore")
+                                      .withSubject("ExtraEntry")
+                                      .build();
+
+        context.restoreAuthSystemState();
+
+        UUID scope = col2.getID();
+        //** WHEN **
+        //An anonymous user browses this endpoint to find the the objects in the system
+        //With the given search filter
+        getClient().perform(get("/api/discover/search/objects")
+            .param("f.title", "test,contains"))
+                   //** THEN **
+                   //The status has to be 200 OK
+                   .andExpect(status().isOk())
+                   //The type has to be 'discover'
+                   .andExpect(jsonPath("$.type", is("discover")))
+                   //The page object needs to look like this
+                   .andExpect(jsonPath("$._embedded.searchResult.page", is(
+                       PageMatcher.pageEntry(0, 20)
+                                                                          )))
+                   //The search results have to contain the items that match the searchFilter
+                   .andExpect(jsonPath("$._embedded.searchResult._embedded.objects", Matchers.containsInAnyOrder(
+                       SearchResultMatcher.matchOnItemName("item", "items", "Test"),
+                       SearchResultMatcher.matchOnItemName("item", "items", "Test 2")
+                                                                                                                )))
+                   //These facets have to show up in the embedded.facets section as well with the given hasMore property
+                   // because we don't exceed their default limit for a hasMore true (the default is 10)
+                   .andExpect(jsonPath("$._embedded.facets", Matchers.containsInAnyOrder(
+                       FacetEntryMatcher.authorFacet(false),
+                       FacetEntryMatcher.entityTypeFacet(false),
+                       FacetEntryMatcher.subjectFacet(false),
+                       FacetEntryMatcher.dateIssuedFacet(false),
+                       FacetEntryMatcher.hasContentInOriginalBundleFacet(false)
+                                                                                        )))
+                   //There always needs to be a self link available
+                   .andExpect(jsonPath("$._links.self.href", containsString("/api/discover/search/objects")))
+        ;
+
+    }
+
+    @Test
+    public void discoverSearchObjectsWithQueryOperatorNotContains_query() throws Exception {
         //We turn off the authorization system in order to create the structure as defined below
         context.turnOffAuthorisationSystem();
 
@@ -2518,6 +2594,81 @@ public class DiscoveryRestControllerIT extends AbstractControllerIntegrationTest
 
     }
 
+    @Test
+    public void discoverSearchObjectsWithQueryOperatorNotContains() throws Exception {
+        //We turn off the authorization system in order to create the structure as defined below
+        context.turnOffAuthorisationSystem();
+
+        //** GIVEN **
+        //1. A community-collection structure with one parent community with sub-community and two collections.
+        parentCommunity = CommunityBuilder.createCommunity(context)
+                                          .withName("Parent Community")
+                                          .build();
+        Community child1 = CommunityBuilder.createSubCommunity(context, parentCommunity)
+                                           .withName("Sub Community")
+                                           .build();
+        Collection col1 = CollectionBuilder.createCollection(context, child1).withName("Collection 1").build();
+        Collection col2 = CollectionBuilder.createCollection(context, child1).withName("Collection 2").build();
+        //2. Three public items that are readable by Anonymous with different subjects
+        Item publicItem1 = ItemBuilder.createItem(context, col1)
+                                      .withTitle("Test")
+                                      .withIssueDate("2010-10-17")
+                                      .withAuthor("Smith, Donald")
+                                      .withSubject("ExtraEntry")
+                                      .build();
+
+        Item publicItem2 = ItemBuilder.createItem(context, col2)
+                                      .withTitle("Test 2")
+                                      .withIssueDate("1990-02-13")
+                                      .withAuthor("Smith, Maria").withAuthor("Doe, Jane").withAuthor("Testing, Works")
+                                      .withSubject("TestingForMore").withSubject("ExtraEntry")
+                                      .build();
+
+        Item publicItem3 = ItemBuilder.createItem(context, col2)
+                                      .withTitle("Public item 2")
+                                      .withIssueDate("2010-02-13")
+                                      .withAuthor("Smith, Maria").withAuthor("Doe, Jane").withAuthor("test,test")
+                                      .withAuthor("test2, test2").withAuthor("Maybe, Maybe")
+                                      .withSubject("AnotherTest").withSubject("TestingForMore")
+                                      .withSubject("ExtraEntry")
+                                      .build();
+
+        context.restoreAuthSystemState();
+
+        UUID scope = col2.getID();
+        //** WHEN **
+        //An anonymous user browses this endpoint to find the the objects in the system
+        //With the given search filter
+        getClient().perform(get("/api/discover/search/objects")
+            .param("f.title", "test,notcontains"))
+                   //** THEN **
+                   //The status has to be 200 OK
+                   .andExpect(status().isOk())
+                   //The type has to be 'discover'
+                   .andExpect(jsonPath("$.type", is("discover")))
+                   //The page object needs to look like this
+                   .andExpect(jsonPath("$._embedded.searchResult.page", is(
+                       PageMatcher.pageEntry(0, 20)
+                                                                          )))
+                   //The search results have to contain the items that match the searchFilter
+                   .andExpect(jsonPath("$._embedded.searchResult._embedded.objects", Matchers.hasItem(
+                       SearchResultMatcher.matchOnItemName("item", "items", "Public item 2")
+                                                                                                     )))
+                   //These facets have to show up in the embedded.facets section as well with the given hasMore property
+                   // because we don't exceed their default limit for a hasMore true (the default is 10)
+                   .andExpect(jsonPath("$._embedded.facets", Matchers.containsInAnyOrder(
+                       FacetEntryMatcher.authorFacet(false),
+                       FacetEntryMatcher.entityTypeFacet(false),
+                       FacetEntryMatcher.subjectFacet(false),
+                       FacetEntryMatcher.dateIssuedFacet(false),
+                       FacetEntryMatcher.hasContentInOriginalBundleFacet(false)
+                                                                                        )))
+                   //There always needs to be a self link available
+                   .andExpect(jsonPath("$._links.self.href", containsString("/api/discover/search/objects")))
+        ;
+
+    }
+
     @Test
     public void discoverSearchObjectsTestForMinMaxValues() throws Exception {
         //We turn off the authorization system in order to create the structure as defined below
@@ -2673,7 +2824,7 @@ public class DiscoveryRestControllerIT extends AbstractControllerIntegrationTest
     }
 
     @Test
-    public void discoverSearchObjectsWithQueryOperatorEquals() throws Exception {
+    public void discoverSearchObjectsWithQueryOperatorEquals_query() throws Exception {
         //We turn off the authorization system in order to create the structure as defined below
         context.turnOffAuthorisationSystem();
 
@@ -2747,7 +2898,82 @@ public class DiscoveryRestControllerIT extends AbstractControllerIntegrationTest
     }
 
     @Test
-    public void discoverSearchObjectsWithQueryOperatorNotEquals() throws Exception {
+    public void discoverSearchObjectsWithQueryOperatorEquals() throws Exception {
+        //We turn off the authorization system in order to create the structure as defined below
+        context.turnOffAuthorisationSystem();
+
+        //** GIVEN **
+        //1. A community-collection structure with one parent community with sub-community and two collections.
+        parentCommunity = CommunityBuilder.createCommunity(context)
+                                          .withName("Parent Community")
+                                          .build();
+        Community child1 = CommunityBuilder.createSubCommunity(context, parentCommunity)
+                                           .withName("Sub Community")
+                                           .build();
+        Collection col1 = CollectionBuilder.createCollection(context, child1).withName("Collection 1").build();
+        Collection col2 = CollectionBuilder.createCollection(context, child1).withName("Collection 2").build();
+        //2. Three public items that are readable by Anonymous with different subjects
+        Item publicItem1 = ItemBuilder.createItem(context, col1)
+                                      .withTitle("Test")
+                                      .withIssueDate("2010-10-17")
+                                      .withAuthor("Smith, Donald")
+                                      .withSubject("ExtraEntry")
+                                      .build();
+
+        Item publicItem2 = ItemBuilder.createItem(context, col2)
+                                      .withTitle("Test 2")
+                                      .withIssueDate("1990-02-13")
+                                      .withAuthor("Smith, Maria").withAuthor("Doe, Jane").withAuthor("Testing, Works")
+                                      .withSubject("TestingForMore").withSubject("ExtraEntry")
+                                      .build();
+
+        Item publicItem3 = ItemBuilder.createItem(context, col2)
+                                      .withTitle("Public item 2")
+                                      .withIssueDate("2010-02-13")
+                                      .withAuthor("Smith, Maria").withAuthor("Doe, Jane").withAuthor("test,test")
+                                      .withAuthor("test2, test2").withAuthor("Maybe, Maybe")
+                                      .withSubject("AnotherTest").withSubject("TestingForMore")
+                                      .withSubject("ExtraEntry")
+                                      .build();
+
+        context.restoreAuthSystemState();
+
+        UUID scope = col2.getID();
+        //** WHEN **
+        //An anonymous user browses this endpoint to find the the objects in the system
+        //With the given search filter
+        getClient().perform(get("/api/discover/search/objects")
+            .param("f.title", "Test,equals"))
+                   //** THEN **
+                   //The status has to be 200 OK
+                   .andExpect(status().isOk())
+                   //The type has to be 'discover'
+                   .andExpect(jsonPath("$.type", is("discover")))
+                   //The page object needs to look like this
+                   .andExpect(jsonPath("$._embedded.searchResult.page", is(
+                       PageMatcher.pageEntry(0, 20)
+                                                                          )))
+                   //The search results have to contain the items that match the searchFilter
+                   .andExpect(jsonPath("$._embedded.searchResult._embedded.objects", Matchers.containsInAnyOrder(
+                       SearchResultMatcher.matchOnItemName("item", "items", "Test")
+                                                                                                                )))
+                   //These facets have to show up in the embedded.facets section as well with the given hasMore property
+                   // because we don't exceed their default limit for a hasMore true (the default is 10)
+                   .andExpect(jsonPath("$._embedded.facets", Matchers.containsInAnyOrder(
+                       FacetEntryMatcher.authorFacet(false),
+                       FacetEntryMatcher.entityTypeFacet(false),
+                       FacetEntryMatcher.subjectFacet(false),
+                       FacetEntryMatcher.dateIssuedFacet(false),
+                       FacetEntryMatcher.hasContentInOriginalBundleFacet(false)
+                                                                                        )))
+                   //There always needs to be a self link available
+                   .andExpect(jsonPath("$._links.self.href", containsString("/api/discover/search/objects")))
+        ;
+
+    }
+
+    @Test
+    public void discoverSearchObjectsWithQueryOperatorNotEquals_query() throws Exception {
         //We turn off the authorization system in order to create the structure as defined below
         context.turnOffAuthorisationSystem();
 
@@ -2822,7 +3048,83 @@ public class DiscoveryRestControllerIT extends AbstractControllerIntegrationTest
     }
 
     @Test
-    public void discoverSearchObjectsWithQueryOperatorNotAuthority() throws Exception {
+    public void discoverSearchObjectsWithQueryOperatorNotEquals() throws Exception {
+        //We turn off the authorization system in order to create the structure as defined below
+        context.turnOffAuthorisationSystem();
+
+        //** GIVEN **
+        //1. A community-collection structure with one parent community with sub-community and two collections.
+        parentCommunity = CommunityBuilder.createCommunity(context)
+                                          .withName("Parent Community")
+                                          .build();
+        Community child1 = CommunityBuilder.createSubCommunity(context, parentCommunity)
+                                           .withName("Sub Community")
+                                           .build();
+        Collection col1 = CollectionBuilder.createCollection(context, child1).withName("Collection 1").build();
+        Collection col2 = CollectionBuilder.createCollection(context, child1).withName("Collection 2").build();
+        //2. Three public items that are readable by Anonymous with different subjects
+        Item publicItem1 = ItemBuilder.createItem(context, col1)
+                                      .withTitle("Test")
+                                      .withIssueDate("2010-10-17")
+                                      .withAuthor("Smith, Donald")
+                                      .withSubject("ExtraEntry")
+                                      .build();
+
+        Item publicItem2 = ItemBuilder.createItem(context, col2)
+                                      .withTitle("Test 2")
+                                      .withIssueDate("1990-02-13")
+                                      .withAuthor("Smith, Maria").withAuthor("Doe, Jane").withAuthor("Testing, Works")
+                                      .withSubject("TestingForMore").withSubject("ExtraEntry")
+                                      .build();
+
+        Item publicItem3 = ItemBuilder.createItem(context, col2)
+                                      .withTitle("Public item 2")
+                                      .withIssueDate("2010-02-13")
+                                      .withAuthor("Smith, Maria").withAuthor("Doe, Jane").withAuthor("test,test")
+                                      .withAuthor("test2, test2").withAuthor("Maybe, Maybe")
+                                      .withSubject("AnotherTest").withSubject("TestingForMore")
+                                      .withSubject("ExtraEntry")
+                                      .build();
+
+        context.restoreAuthSystemState();
+
+        UUID scope = col2.getID();
+        //** WHEN **
+        //An anonymous user browses this endpoint to find the the objects in the system
+        //With the given search filter
+        getClient().perform(get("/api/discover/search/objects")
+            .param("f.title", "Test,notequals"))
+                   //** THEN **
+                   //The status has to be 200 OK
+                   .andExpect(status().isOk())
+                   //The type has to be 'discover'
+                   .andExpect(jsonPath("$.type", is("discover")))
+                   //The page object needs to look like this
+                   .andExpect(jsonPath("$._embedded.searchResult.page", is(
+                       PageMatcher.pageEntry(0, 20)
+                                                                          )))
+                   //The search results have to contain the items that match the searchFilter
+                   .andExpect(jsonPath("$._embedded.searchResult._embedded.objects", Matchers.hasItems(
+                       SearchResultMatcher.matchOnItemName("item", "items", "Test 2"),
+                       SearchResultMatcher.matchOnItemName("item", "items", "Public item 2")
+                                                                                                      )))
+                   //These facets have to show up in the embedded.facets section as well with the given hasMore property
+                   // because we don't exceed their default limit for a hasMore true (the default is 10)
+                   .andExpect(jsonPath("$._embedded.facets", Matchers.containsInAnyOrder(
+                       FacetEntryMatcher.authorFacet(false),
+                       FacetEntryMatcher.entityTypeFacet(false),
+                       FacetEntryMatcher.subjectFacet(false),
+                       FacetEntryMatcher.dateIssuedFacet(false),
+                       FacetEntryMatcher.hasContentInOriginalBundleFacet(false)
+                                                                                        )))
+                   //There always needs to be a self link available
+                   .andExpect(jsonPath("$._links.self.href", containsString("/api/discover/search/objects")))
+        ;
+
+    }
+
+    @Test
+    public void discoverSearchObjectsWithQueryOperatorNotAuthority_query() throws Exception {
         //We turn off the authorization system in order to create the structure as defined below
         context.turnOffAuthorisationSystem();
 
@@ -2895,6 +3197,108 @@ public class DiscoveryRestControllerIT extends AbstractControllerIntegrationTest
 
     }
 
+    @Test
+    public void discoverSearchObjectsWithQueryOperatorNotAuthority() throws Exception {
+        //We turn off the authorization system in order to create the structure as defined below
+        context.turnOffAuthorisationSystem();
+
+        //** GIVEN **
+        //1. A community-collection structure with one parent community with sub-community and two collections.
+        parentCommunity = CommunityBuilder.createCommunity(context)
+                                          .withName("Parent Community")
+                                          .build();
+        Community child1 = CommunityBuilder.createSubCommunity(context, parentCommunity)
+                                           .withName("Sub Community")
+                                           .build();
+        Collection col1 = CollectionBuilder.createCollection(context, child1).withName("Collection 1").build();
+        Collection col2 = CollectionBuilder.createCollection(context, child1).withName("Collection 2").build();
+        //2. Three public items that are readable by Anonymous with different subjects
+        Item publicItem1 = ItemBuilder.createItem(context, col1)
+                                      .withTitle("Test")
+                                      .withIssueDate("2010-10-17")
+                                      .withAuthor("Smith, Donald")
+                                      .withSubject("ExtraEntry")
+                                      .build();
+
+        Item publicItem2 = ItemBuilder.createItem(context, col2)
+                                      .withTitle("Test 2")
+                                      .withIssueDate("1990-02-13")
+                                      .withAuthor("Smith, Maria").withAuthor("Doe, Jane").withAuthor("Testing, Works")
+                                      .withSubject("TestingForMore").withSubject("ExtraEntry")
+                                      .build();
+
+        Item publicItem3 = ItemBuilder.createItem(context, col2)
+                                      .withTitle("Public item 2")
+                                      .withIssueDate("2010-02-13")
+                                      .withAuthor("Smith, Maria").withAuthor("Doe, Jane").withAuthor("test,test")
+                                      .withAuthor("test2, test2").withAuthor("Maybe, Maybe")
+                                      .withSubject("AnotherTest").withSubject("TestingForMore")
+                                      .withSubject("ExtraEntry")
+                                      .build();
+
+        context.restoreAuthSystemState();
+
+        UUID scope = col2.getID();
+        //** WHEN **
+        //An anonymous user browses this endpoint to find the the objects in the system
+        //With the given search filter
+        getClient().perform(get("/api/discover/search/objects")
+            .param("f.title", "test,notauthority"))
+                   //** THEN **
+                   //The status has to be 200 OK
+                   .andExpect(status().isOk())
+                   //The type has to be 'discover'
+                   .andExpect(jsonPath("$.type", is("discover")))
+                   //The page object needs to look like this
+                   .andExpect(jsonPath("$._embedded.searchResult.page", is(
+                       PageMatcher.pageEntry(0, 20)
+                                                                          )))
+                   //The search results have to contain the items that match the searchFilter
+                   .andExpect(jsonPath("$._embedded.searchResult._embedded.objects", Matchers.hasItem(
+                       SearchResultMatcher.matchOnItemName("item", "items", "Public item 2")
+                                                                                                     )))
+                   //These facets have to show up in the embedded.facets section as well with the given hasMore property
+                   // because we don't exceed their default limit for a hasMore true (the default is 10)
+                   .andExpect(jsonPath("$._embedded.facets", Matchers.containsInAnyOrder(
+                       FacetEntryMatcher.authorFacet(false),
+                       FacetEntryMatcher.entityTypeFacet(false),
+                       FacetEntryMatcher.subjectFacet(false),
+                       FacetEntryMatcher.dateIssuedFacet(false),
+                       FacetEntryMatcher.hasContentInOriginalBundleFacet(false)
+                                                                                        )))
+                   //There always needs to be a self link available
+                   .andExpect(jsonPath("$._links.self.href", containsString("/api/discover/search/objects")))
+        ;
+
+    }
+
+    @Test
+    public void discoverSearchObjectsWithMissingQueryOperator() throws Exception {
+        //** WHEN **
+        // An anonymous user browses this endpoint to find the the objects in the system
+        // With the given search filter where there is the filter operator missing in the value (must be of form
+        // <:filter-value>,<:filter-operator>)
+        getClient().perform(get("/api/discover/search/objects")
+            .param("f.title", "test"))
+                   //** THEN **
+                   //Will result in 422 status because of missing filter operator
+                   .andExpect(status().isUnprocessableEntity());
+    }
+
+    @Test
+    public void discoverSearchObjectsWithNotValidQueryOperator() throws Exception {
+        //** WHEN **
+        // An anonymous user browses this endpoint to find the the objects in the system
+        // With the given search filter where there is a non-valid filter operator given (must be of form
+        // <:filter-value>,<:filter-operator> where the filter operator is one of: “contains”, “notcontains”, "equals"
+        // “notequals”, “authority”, “notauthority”, "query”); see enum RestSearchOperator
+        getClient().perform(get("/api/discover/search/objects")
+            .param("f.title", "test,operator"))
+                   //** THEN **
+                   //Will result in 422 status because of non-valid filter operator
+                   .andExpect(status().isUnprocessableEntity());
+    }
+
     @Test
     public void discoverSearchObjectsTestWithDateIssuedQueryTest() throws Exception {
         //We turn off the authorization system in order to create the structure as defined below
@@ -4478,7 +4882,7 @@ public class DiscoveryRestControllerIT extends AbstractControllerIntegrationTest
                 .perform(get("/api/discover/search/objects")
                         .param("configuration", "administrativeView")
                         .param("query", "Test")
-                        .param("f.withdrawn", "true")
+                        .param("f.withdrawn", "true,contains")
                 )
 
                 .andExpect(status().isOk())
@@ -4497,7 +4901,7 @@ public class DiscoveryRestControllerIT extends AbstractControllerIntegrationTest
                 .perform(get("/api/discover/search/objects")
                         .param("configuration", "administrativeView")
                         .param("query", "Test")
-                        .param("f.withdrawn", "false")
+                        .param("f.withdrawn", "false,contains")
                 )
 
                 .andExpect(status().isOk())
@@ -4517,7 +4921,7 @@ public class DiscoveryRestControllerIT extends AbstractControllerIntegrationTest
                 .perform(get("/api/discover/search/objects")
                         .param("configuration", "administrativeView")
                         .param("query", "Test")
-                        .param("f.discoverable", "true")
+                        .param("f.discoverable", "true,contains")
                 )
 
                 .andExpect(status().isOk())
@@ -4537,7 +4941,7 @@ public class DiscoveryRestControllerIT extends AbstractControllerIntegrationTest
                 .perform(get("/api/discover/search/objects")
                         .param("configuration", "administrativeView")
                         .param("query", "Test")
-                        .param("f.discoverable", "false")
+                        .param("f.discoverable", "false,contains")
                 )
 
                 .andExpect(status().isOk())

dspace-server-webapp/src/test/java/org/dspace/app/rest/RelationshipRestRepositoryIT.java

@@ -9,6 +9,8 @@ package org.dspace.app.rest;
 
 import static com.jayway.jsonpath.JsonPath.read;
 import static org.dspace.app.rest.matcher.MetadataMatcher.matchMetadata;
+import static org.hamcrest.CoreMatchers.equalTo;
+import static org.hamcrest.MatcherAssert.assertThat;
 import static org.hamcrest.Matchers.allOf;
 import static org.hamcrest.Matchers.contains;
 import static org.hamcrest.Matchers.containsInAnyOrder;
@@ -18,6 +20,7 @@ import static org.hamcrest.Matchers.is;
 import static org.hamcrest.Matchers.not;
 import static org.hamcrest.Matchers.nullValue;
 import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertNull;
 import static org.springframework.test.web.servlet.request.MockMvcRequestBuilders.delete;
 import static org.springframework.test.web.servlet.request.MockMvcRequestBuilders.get;
 import static org.springframework.test.web.servlet.request.MockMvcRequestBuilders.post;
@@ -33,6 +36,8 @@ import java.util.concurrent.atomic.AtomicReference;
 import com.fasterxml.jackson.databind.ObjectMapper;
 import com.google.gson.JsonObject;
 import org.apache.commons.lang3.StringUtils;
+import org.apache.solr.client.solrj.SolrQuery;
+import org.apache.solr.client.solrj.response.QueryResponse;
 import org.dspace.app.rest.matcher.PageMatcher;
 import org.dspace.app.rest.matcher.RelationshipMatcher;
 import org.dspace.app.rest.model.RelationshipRest;
@@ -41,13 +46,16 @@ import org.dspace.authorize.service.AuthorizeService;
 import org.dspace.builder.CollectionBuilder;
 import org.dspace.builder.CommunityBuilder;
 import org.dspace.builder.EPersonBuilder;
+import org.dspace.builder.EntityTypeBuilder;
 import org.dspace.builder.ItemBuilder;
 import org.dspace.builder.MetadataFieldBuilder;
 import org.dspace.builder.RelationshipBuilder;
+import org.dspace.builder.RelationshipTypeBuilder;
 import org.dspace.content.Collection;
 import org.dspace.content.Community;
 import org.dspace.content.EntityType;
 import org.dspace.content.Item;
+import org.dspace.content.MetadataField;
 import org.dspace.content.MetadataSchema;
 import org.dspace.content.MetadataValue;
 import org.dspace.content.Relationship;
@@ -59,6 +67,7 @@ import org.dspace.content.service.MetadataSchemaService;
 import org.dspace.content.service.RelationshipTypeService;
 import org.dspace.core.Constants;
 import org.dspace.core.I18nUtil;
+import org.dspace.discovery.MockSolrSearchCore;
 import org.dspace.eperson.EPerson;
 import org.junit.Before;
 import org.junit.Test;
@@ -86,6 +95,8 @@ public class RelationshipRestRepositoryIT extends AbstractEntityIntegrationTest
     @Autowired
     private MetadataSchemaService metadataSchemaService;
 
+    @Autowired
+    MockSolrSearchCore mockSolrSearchCore;
     private Community parentCommunity;
     private Community child1;
 
@@ -2674,6 +2685,151 @@ public class RelationshipRestRepositoryIT extends AbstractEntityIntegrationTest
         }
     }
 
+    @Test
+    public void testVirtualMdInRESTAndSolrDoc() throws Exception {
+        context.turnOffAuthorisationSystem();
+        // Create entity types if needed
+        EntityType journalEntityType = entityTypeService.findByEntityType(context, "Journal");
+        if (journalEntityType == null) {
+            journalEntityType = EntityTypeBuilder.createEntityTypeBuilder(context, "Journal").build();
+        }
+        EntityType journalVolumeEntityType = entityTypeService.findByEntityType(context, "JournalVolume");
+        if (journalVolumeEntityType == null) {
+            journalVolumeEntityType = EntityTypeBuilder.createEntityTypeBuilder(context, "JournalVolume").build();
+        }
+        EntityType journalIssueEntityType = entityTypeService.findByEntityType(context, "JournalIssue");
+        if (journalIssueEntityType == null) {
+            journalIssueEntityType = EntityTypeBuilder.createEntityTypeBuilder(context, "JournalIssue").build();
+        }
+        EntityType publicationEntityType = entityTypeService.findByEntityType(context, "Publication");
+        if (publicationEntityType == null) {
+            publicationEntityType = EntityTypeBuilder.createEntityTypeBuilder(context, "Publication").build();
+        }
+
+        // Create relationship types if needed
+        RelationshipType isPublicationOfJournalIssue = relationshipTypeService
+            .findbyTypesAndTypeName(context, journalIssueEntityType, publicationEntityType,
+                "isPublicationOfJournalIssue", "isJournalIssueOfPublication");
+        if (isPublicationOfJournalIssue == null) {
+            isPublicationOfJournalIssue = RelationshipTypeBuilder.createRelationshipTypeBuilder(context,
+                journalIssueEntityType, publicationEntityType, "isPublicationOfJournalIssue",
+                "isJournalIssueOfPublication", null, null, null, null).build();
+        }
+        RelationshipType isIssueOfJournalVolume = relationshipTypeService
+            .findbyTypesAndTypeName(context, journalVolumeEntityType, journalIssueEntityType,
+                "isIssueOfJournalVolume", "isJournalVolumeOfIssue");
+        if (isIssueOfJournalVolume == null) {
+            isIssueOfJournalVolume = RelationshipTypeBuilder.createRelationshipTypeBuilder(context,
+                journalVolumeEntityType, journalIssueEntityType, "isIssueOfJournalVolume",
+                "isJournalVolumeOfIssue", null, null, null, null).build();
+        } else {
+            // Otherwise error in destroy methods when removing Journal Issue-Journal Volume relationship
+            // since the rightMinCardinality constraint would be violated upon deletion
+            isIssueOfJournalVolume.setRightMinCardinality(0);
+        }
+        RelationshipType isVolumeOfJournal = relationshipTypeService
+            .findbyTypesAndTypeName(context, journalEntityType, journalVolumeEntityType,
+                "isVolumeOfJournal", "isJournalOfVolume");
+        if (isVolumeOfJournal == null) {
+            isVolumeOfJournal = RelationshipTypeBuilder.createRelationshipTypeBuilder(context,
+                journalEntityType, journalVolumeEntityType, "isVolumeOfJournal", "isJournalOfVolume",
+                null, null, null, null).build();
+        } else {
+            // Otherwise error in destroy methods when removing Journal Volume - Journal relationship
+            // since the rightMinCardinality constraint would be violated upon deletion
+            isVolumeOfJournal.setRightMinCardinality(0);
+        }
+
+        // Create virtual metadata fields if needed
+        MetadataSchema journalSchema = metadataSchemaService.find(context, "journal");
+        if (journalSchema == null) {
+            journalSchema = metadataSchemaService.create(context, "journal", "journal");
+        }
+        String journalTitleVirtualMdField = "journal.title";
+        MetadataField journalTitleField = metadataFieldService.findByString(context, journalTitleVirtualMdField, '.');
+        if (journalTitleField == null) {
+            metadataFieldService.create(context, journalSchema, "title", null, "Journal Title");
+        }
+
+        String journalTitle = "Journal Title Test";
+
+        // Create entity items
+        Item journal =
+            ItemBuilder.createItem(context, col1).withRelationshipType("Journal").withTitle(journalTitle).build();
+        Item journalVolume =
+            ItemBuilder.createItem(context, col1).withRelationshipType("JournalVolume").withTitle("JournalVolume")
+                       .build();
+        Item journalIssue =
+            ItemBuilder.createItem(context, col1).withRelationshipType("JournalIssue").withTitle("JournalIssue")
+                       .build();
+        Item publication =
+            ItemBuilder.createItem(context, col1).withRelationshipType("Publication").withTitle("Publication").build();
+
+        // Link Publication-Journal Issue
+        RelationshipBuilder.createRelationshipBuilder(context, journalIssue, publication, isPublicationOfJournalIssue)
+                           .build();
+        // Link Journal Issue-Journal Volume
+        RelationshipBuilder.createRelationshipBuilder(context, journalVolume, journalIssue, isIssueOfJournalVolume)
+                           .build();
+        mockSolrSearchCore.getSolr().commit(false, false);
+
+        // Verify Publication item via REST does not contain virtual md journal.title
+        getClient().perform(get("/api/core/items/" + publication.getID()))
+                   .andExpect(status().isOk())
+                   .andExpect(jsonPath("$.metadata." + journalTitleVirtualMdField).doesNotExist());
+
+        // Verify Publication item via Solr does not contain virtual md journal.title
+        SolrQuery solrQuery = new SolrQuery();
+        solrQuery.setQuery("search.resourceid:" + publication.getID());
+        QueryResponse queryResponse = mockSolrSearchCore.getSolr().query(solrQuery);
+        assertThat(queryResponse.getResults().size(), equalTo(1));
+        assertNull(queryResponse.getResults().get(0).getFieldValues(journalTitleVirtualMdField));
+
+        // Link Journal Volume - Journal
+        RelationshipBuilder.createRelationshipBuilder(context, journal, journalVolume, isVolumeOfJournal).build();
+        mockSolrSearchCore.getSolr().commit(false, false);
+
+        // Verify Publication item via REST does contain virtual md journal.title
+        getClient().perform(get("/api/core/items/" + publication.getID()))
+                   .andExpect(status().isOk())
+                   .andExpect(jsonPath("$.metadata", allOf(
+                       matchMetadata(journalTitleVirtualMdField, journalTitle))));
+
+        // Verify Publication item via Solr contains virtual md journal.title
+        queryResponse = mockSolrSearchCore.getSolr().query(solrQuery);
+        assertThat(queryResponse.getResults().size(), equalTo(1));
+        assertEquals(journalTitle,
+            ((List) queryResponse.getResults().get(0).getFieldValues(journalTitleVirtualMdField)).get(0));
+
+        // Verify Journal Volume item via REST also contains virtual md journal.title
+        getClient().perform(get("/api/core/items/" + journalVolume.getID()))
+                   .andExpect(status().isOk())
+                   .andExpect(jsonPath("$.metadata", allOf(
+                       matchMetadata(journalTitleVirtualMdField, journalTitle))));
+
+        // Verify Journal Volume item via Solr also contains virtual md journal.title
+        solrQuery.setQuery("search.resourceid:" + journalVolume.getID());
+        queryResponse = mockSolrSearchCore.getSolr().query(solrQuery);
+        assertThat(queryResponse.getResults().size(), equalTo(1));
+        assertEquals(journalTitle,
+            ((List) queryResponse.getResults().get(0).getFieldValues(journalTitleVirtualMdField)).get(0));
+
+        // Verify Journal Issue item via REST also contains virtual md journal.title
+        getClient().perform(get("/api/core/items/" + journalIssue.getID()))
+                   .andExpect(status().isOk())
+                   .andExpect(jsonPath("$.metadata", allOf(
+                       matchMetadata(journalTitleVirtualMdField, journalTitle))));
+
+        // Verify Journal Issue item via Solr also contains virtual md journal.title
+        solrQuery.setQuery("search.resourceid:" + journalIssue.getID());
+        queryResponse = mockSolrSearchCore.getSolr().query(solrQuery);
+        assertThat(queryResponse.getResults().size(), equalTo(1));
+        assertEquals(journalTitle,
+            ((List) queryResponse.getResults().get(0).getFieldValues(journalTitleVirtualMdField)).get(0));
+
+        context.restoreAuthSystemState();
+    }
+
     @Test
     public void findOneTestWrongUUID() throws Exception {
         getClient().perform(get("/api/core/relationships/" + 1000))

dspace-server-webapp/src/test/java/org/dspace/app/rest/SubmissionFormsControllerIT.java

@@ -11,6 +11,7 @@ import static org.hamcrest.Matchers.contains;
 import static org.hamcrest.Matchers.equalTo;
 import static org.hamcrest.Matchers.hasSize;
 import static org.hamcrest.Matchers.is;
+import static org.hamcrest.Matchers.nullValue;
 import static org.springframework.test.web.servlet.request.MockMvcRequestBuilders.get;
 import static org.springframework.test.web.servlet.result.MockMvcResultMatchers.content;
 import static org.springframework.test.web.servlet.result.MockMvcResultMatchers.jsonPath;
@@ -591,6 +592,47 @@ public class SubmissionFormsControllerIT extends AbstractControllerIntegrationTe
         resetLocalesConfiguration();
     }
 
+    @Test
+    public void multipleExternalSourcesTest() throws Exception {
+        String token = getAuthToken(admin.getEmail(), password);
+
+        getClient(token).perform(get("/api/config/submissionforms/traditionalpageone"))
+                //The status has to be 200 OK
+                .andExpect(status().isOk())
+                //We expect the content type to be "application/hal+json;charset=UTF-8"
+                .andExpect(content().contentType(contentType))
+                //Check that the JSON root matches the expected "traditionalpageone" input forms
+                .andExpect(jsonPath("$.id", is("traditionalpageone")))
+                .andExpect(jsonPath("$.name", is("traditionalpageone")))
+                .andExpect(jsonPath("$.type", is("submissionform")))
+                .andExpect(jsonPath("$._links.self.href", Matchers
+                        .startsWith(REST_SERVER_URL + "config/submissionforms/traditionalpageone")))
+                // check the external sources of the first field in the first row
+                .andExpect(jsonPath("$.rows[0].fields[0].selectableRelationship.externalSources",
+                        contains(is("orcid"), is("my_staff_db"))))
+        ;
+    }
+
+    @Test
+    public void noExternalSourcesTest() throws Exception {
+        String token = getAuthToken(admin.getEmail(), password);
+
+        getClient(token).perform(get("/api/config/submissionforms/journalVolumeStep"))
+                //The status has to be 200 OK
+                .andExpect(status().isOk())
+                //We expect the content type to be "application/hal+json;charset=UTF-8"
+                .andExpect(content().contentType(contentType))
+                //Check that the JSON root matches the expected "journalVolumeStep" input forms
+                .andExpect(jsonPath("$.id", is("journalVolumeStep")))
+                .andExpect(jsonPath("$.name", is("journalVolumeStep")))
+                .andExpect(jsonPath("$.type", is("submissionform")))
+                .andExpect(jsonPath("$._links.self.href", Matchers
+                        .startsWith(REST_SERVER_URL + "config/submissionforms/journalVolumeStep")))
+                // check the external sources of the first field in the first row
+                .andExpect(jsonPath("$.rows[0].fields[0].selectableRelationship.externalSources", nullValue()))
+        ;
+    }
+
     private void resetLocalesConfiguration() throws DCInputsReaderException {
         configurationService.setProperty("default.locale","en");
         configurationService.setProperty("webui.supported.locales",null);

dspace-server-webapp/src/test/java/org/dspace/app/rest/matcher/ExternalSourceMatcher.java

@@ -8,6 +8,7 @@
 package org.dspace.app.rest.matcher;
 
 import static com.jayway.jsonpath.matchers.JsonPathMatchers.hasJsonPath;
+import static org.dspace.app.rest.test.AbstractControllerIntegrationTest.REST_SERVER_URL;
 import static org.hamcrest.Matchers.allOf;
 import static org.hamcrest.Matchers.is;
 
@@ -22,7 +23,9 @@ public class ExternalSourceMatcher {
         return allOf(
             hasJsonPath("$.id", is(id)),
             hasJsonPath("$.name", is(name)),
-            hasJsonPath("$.hierarchical", is(hierarchical))
+            hasJsonPath("$.hierarchical", is(hierarchical)),
+            hasJsonPath("$._links.entries.href", is(REST_SERVER_URL +
+                                                            "integration/externalsources/" + name + "/entries"))
         );
     }
 }

dspace/config/modules/relationship.cfg

@@ -0,0 +1,16 @@
+#---------------------------------------------------------------#
+#-----------------RELATIONSHIP CONFIGURATIONS-------------------#
+#---------------------------------------------------------------#
+# Configuration properties used by the RelationshipService      #
+#---------------------------------------------------------------#
+
+# The maximum number of items to be updated when adjusting a relationship.
+# This includes the relationship’s left and right item.
+# If the max is below 2, the relationship’s left and right item will still be processed. Defaults to 20
+# relationship.update.relateditems.max = 20
+
+# The maximum depth of relationships to traverse.
+# A value of 5 means that a maximum of 5 levels (relationships) deep will be scanned for updates on both the left side
+# and the right side. Indirectly related items requiring more than 5 items will be skipped. Defaults to 5
+# relationship.update.relateditems.maxdepth = 5
+

dspace/config/submission-forms.dtd

@@ -7,19 +7,19 @@
  <!ELEMENT form (row)+ >
  <!ELEMENT row (field|relation-field)+ >
  <!ATTLIST form name NMTOKEN #REQUIRED>
- 
+
  <!ELEMENT field (dc-schema, dc-element, dc-qualifier?, language?, repeatable?, label, style?, type-bind?, input-type, hint, required?, regex?, vocabulary?, visibility?, readonly?) >
  <!ELEMENT dc-schema (#PCDATA) >
  <!ELEMENT dc-element (#PCDATA) >
  <!ELEMENT dc-qualifier (#PCDATA) >
  <!ELEMENT language (#PCDATA)>
  <!ELEMENT type-bind (#PCDATA) >
- 
+
  <!ELEMENT repeatable (#PCDATA) >
  <!ELEMENT label (#PCDATA) >
  <!ELEMENT style (#PCDATA) >
  <!ELEMENT input-type (#PCDATA)>
-  
+
  <!ELEMENT hint (#PCDATA) >
  <!ELEMENT required (#PCDATA)>
  <!ELEMENT name-variants (#PCDATA)>
@@ -40,7 +40,7 @@
  <!ATTLIST value-pairs value-pairs-name CDATA #REQUIRED
                             dc-term   CDATA #REQUIRED
  >
-  
+
  <!ELEMENT pair (displayed-value,stored-value) >
  <!ELEMENT displayed-value (#PCDATA)>
  <!ELEMENT stored-value (#PCDATA)>
@@ -49,16 +49,17 @@
 
  <!ELEMENT vocabulary (#PCDATA) >
 
- <!ATTLIST vocabulary closed (true|false) "false"> 
+ <!ATTLIST vocabulary closed (true|false) "false">
 
  <!ELEMENT visibility (#PCDATA) >
 
- <!ATTLIST language value-pairs-name CDATA  #IMPLIED>  
+ <!ATTLIST language value-pairs-name CDATA  #IMPLIED>
 
  <!ELEMENT readonly (#PCDATA) >
 
 <!ELEMENT relationship-type (#PCDATA) >
 <!ELEMENT search-configuration (#PCDATA) >
 <!ELEMENT filter (#PCDATA) >
-<!ELEMENT relation-field (relationship-type, search-configuration, filter?, repeatable?, name-variants?, label, type-bind?, hint, linked-metadata-field?, required?, visibility?)>
+<!ELEMENT externalsources (#PCDATA) >
+<!ELEMENT relation-field (relationship-type, search-configuration, filter?, repeatable?, name-variants?, label, type-bind?, hint, linked-metadata-field?, externalsources?, required?, regex?, visibility?)>
 <!ELEMENT linked-metadata-field (dc-schema, dc-element, dc-qualifier?, input-type)>

dspace/config/submission-forms.xml

@@ -31,7 +31,7 @@
                     <label>Title</label>
                     <input-type>onebox</input-type>
                     <hint>Enter the name of the file.</hint>
-                    <required>You must enter a main title for this item.</required>
+                    <required>You must enter a name for this file</required>
                 </field>
             </row>
             <row>
@@ -54,14 +54,19 @@
                     <search-configuration>person</search-configuration>
                     <repeatable>true</repeatable>
                     <label>Author</label>
-                    <hint>Add an author</hint>
+                    <hint>Enter the author's name (Family name, Given names).</hint>
                     <linked-metadata-field>
                         <dc-schema>dc</dc-schema>
                         <dc-element>contributor</dc-element>
                         <dc-qualifier>author</dc-qualifier>
-                        <input-type>name</input-type>
+                        <input-type>onebox</input-type>
                     </linked-metadata-field>
-                    <required>At least one author (plain text or relationship) is required</required>
+                    <externalsources>orcid</externalsources>
+                    <required></required>
+                    <!-- You may choose to validate author names via a Regular Expression if it's appropriate for
+                         your institution. The below regex requires a comma to be present in the author field.
+                         However, this is disabled by default to support organizations as authors, etc. -->
+                    <!--<regex>\w+(,)+\w+</regex>-->
                 </relation-field>
             </row>
             <row>
@@ -74,7 +79,6 @@
                     <input-type>onebox</input-type>
                     <hint>Enter the main title of the item.</hint>
                     <required>You must enter a main title for this item.</required>
-                    <!--    <language value-pairs-name="common_iso_languages">true</language> -->
                 </field>
             </row>
             <row>
@@ -99,8 +103,7 @@
                     <style>col-sm-4</style>
                     <input-type>date</input-type>
                     <hint>Please give the date of previous publication or public distribution.
-                        You can leave out the day and/or month if they aren't
+                        You can leave out the day and/or month if they aren't applicable.
-                        applicable.
                     </hint>
                     <required>You must enter at least the year.</required>
                 </field>
@@ -241,6 +244,15 @@
         </form>
 
         <form name="peopleStep">
+            <row>
+                <relation-field>
+                    <relationship-type>isPublicationOfAuthor</relationship-type>
+                    <search-configuration>publication</search-configuration>
+                    <label>Publication</label>
+                    <hint>import a publicaton</hint>
+                    <externalsources>pubmed</externalsources>
+                </relation-field>
+            </row>
             <row>
                 <field>
                     <dc-schema>person</dc-schema>
@@ -494,6 +506,7 @@
                     <filter>creativework.publisher:somepublishername</filter>
                     <label>Journal</label>
                     <hint>Select the journal related to this volume.</hint>
+                    <externalsources>sherpaJournal</externalsources>
                 </relation-field>
             </row>
             <row>
@@ -625,6 +638,7 @@
                         <dc-qualifier>author</dc-qualifier>
                         <input-type>name</input-type>
                     </linked-metadata-field>
+                    <externalsources>orcid</externalsources>
                     <required>At least one author (plain text or relationship) is required</required>
                 </relation-field>
             </row>
@@ -852,7 +866,7 @@
             </row>
 
             <!-- Additional Subject with specific taxonomy (like mesh, fos, ...) -->
-            
+
             <!-- example for FOS -->
             <!-- <row>
                 <field>
@@ -893,6 +907,7 @@
                         <dc-element>relation</dc-element>
                         <input-type>onebox</input-type>
                     </linked-metadata-field>
+                    <externalsources></externalsources>
                     <required></required>
                 </relation-field>
             </row>
@@ -1043,6 +1058,7 @@
                         <dc-qualifier>name</dc-qualifier>
                         <input-type>onebox</input-type>
                     </linked-metadata-field>
+                    <externalsources></externalsources>
                     <required>One funding agency is required</required>
                 </relation-field>
             </row>
@@ -1053,14 +1069,14 @@
                     <label>Name of the Funding Stream</label>
                     <input-type>onebox</input-type>
                     <hint>Enter the name of the funding stream of the project</hint>
-                </field>            
+                </field>
                 <field>
                     <dc-schema>dc</dc-schema>
                     <dc-element>identifier</dc-element>
                     <label>Award number</label>
                     <input-type>onebox</input-type>
                     <hint>Enter the identifier of the project</hint>
-                </field>            
+                </field>
             </row>
         </form>
 
@@ -1341,9 +1357,9 @@
 
         </value-pairs>
 
-        <!-- OpenAIRE document types 
+        <!-- OpenAIRE document types
-             https://openaire-guidelines-for-literature-repository-managers.readthedocs.io/en/v4.0.0/field_publicationtype.html 
+             https://openaire-guidelines-for-literature-repository-managers.readthedocs.io/en/v4.0.0/field_publicationtype.html
-             Based on COAR Vocabularies -> Controlled Vocabulary for Resource Type Genres (Version 2.0): 
+             Based on COAR Vocabularies -> Controlled Vocabulary for Resource Type Genres (Version 2.0):
              http://vocabularies.coar-repositories.org/documentation/resource_types/
         -->
         <value-pairs value-pairs-name="openaire_types" dc-term="type">