From 419e8a9dcbf0f0765d795da3bc3bc0fb9da7a82b Mon Sep 17 00:00:00 2001
From: Luca Giamminonni <luca.giamminonni@4science.it>
Date: Fri, 6 Oct 2023 16:52:46 +0200
Subject: [PATCH] [DSC-1274] Implemented RorOrgUnitDataProvider

---
 .../provider/impl/RorOrgUnitDataProvider.java | 67 +++++++++++++++++++
 .../config/spring/api/external-services.xml   |  9 +++
 2 files changed, 76 insertions(+)
 create mode 100644 dspace-api/src/main/java/org/dspace/external/provider/impl/RorOrgUnitDataProvider.java

diff --git a/dspace-api/src/main/java/org/dspace/external/provider/impl/RorOrgUnitDataProvider.java b/dspace-api/src/main/java/org/dspace/external/provider/impl/RorOrgUnitDataProvider.java
new file mode 100644
index 000000000000..d37503b44bf3
--- /dev/null
+++ b/dspace-api/src/main/java/org/dspace/external/provider/impl/RorOrgUnitDataProvider.java
@@ -0,0 +1,67 @@
+/**
+ * The contents of this file are subject to the license and copyright
+ * detailed in the LICENSE and NOTICE files at the root of the source
+ * tree and available online at
+ *
+ * http://www.dspace.org/license/
+ */
+package org.dspace.external.provider.impl;
+
+import java.util.List;
+import java.util.Optional;
+import java.util.stream.Collectors;
+
+import org.apache.commons.lang3.StringUtils;
+import org.dspace.external.model.ExternalDataObject;
+import org.dspace.external.provider.AbstractExternalDataProvider;
+import org.dspace.ror.ROROrgUnitDTO;
+import org.dspace.ror.service.RORApiService;
+import org.springframework.beans.factory.annotation.Autowired;
+
+public class RorOrgUnitDataProvider extends AbstractExternalDataProvider {
+
+    @Autowired
+    private RORApiService rorApiService;
+
+    private String sourceIdentifier;
+
+    @Override
+    public Optional<ExternalDataObject> getExternalDataObject(String id) {
+        return rorApiService.getOrgUnit(id)
+            .map(this::convertToExternalDataObject);
+    }
+
+    @Override
+    public List<ExternalDataObject> searchExternalDataObjects(String query, int start, int limit) {
+        return rorApiService.getOrgUnits(query).stream()
+            .map(this::convertToExternalDataObject)
+            .collect(Collectors.toList());
+    }
+
+    private ExternalDataObject convertToExternalDataObject(ROROrgUnitDTO orgUnit) {
+        ExternalDataObject object = new ExternalDataObject(sourceIdentifier);
+        object.setId(orgUnit.getId());
+        object.setMetadata(rorApiService.getMetadataValues(orgUnit));
+        return object;
+    }
+
+    @Override
+    public boolean supports(String source) {
+        return StringUtils.equals(sourceIdentifier, source);
+    }
+
+    @Override
+    public int getNumberOfResults(String query) {
+        return searchExternalDataObjects(query, 0, -1).size();
+    }
+
+    public void setSourceIdentifier(String sourceIdentifier) {
+        this.sourceIdentifier = sourceIdentifier;
+    }
+
+    @Override
+    public String getSourceIdentifier() {
+        return sourceIdentifier;
+    }
+
+}
diff --git a/dspace/config/spring/api/external-services.xml b/dspace/config/spring/api/external-services.xml
index 43ceb79c4be7..1b521ae700c8 100644
--- a/dspace/config/spring/api/external-services.xml
+++ b/dspace/config/spring/api/external-services.xml
@@ -224,6 +224,15 @@
             </list>
         </property>
     </bean>
+    
+    <bean id="rorDataProvider" class="org.dspace.external.provider.impl.RorOrgUnitDataProvider" >
+        <property name="sourceIdentifier" value="rorOrgUnits"/>
+        <property name="supportedEntityTypes">
+            <list>
+                <value>OrgUnit</value>
+            </list>
+        </property>
+    </bean>
 
     <bean id="vufindLiveImportDataProvider" class="org.dspace.external.provider.impl.LiveImportDataProvider">
         <property name="metadataSource" ref="vufindImportService"/>