From 32a1b07599019d0a97dc511c4d2806e198d88592 Mon Sep 17 00:00:00 2001
From: Bozana Bokan <bozana.bokan@posteo.net>
Date: Mon, 15 Jul 2024 15:44:36 +0200
Subject: [PATCH] pkp/pkp-lib#9877 Provide book DOI and URN via OMP OAI

---
 .../dc11/filter/Dc11SchemaPublicationFormatAdapter.php   | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/plugins/metadata/dc11/filter/Dc11SchemaPublicationFormatAdapter.php b/plugins/metadata/dc11/filter/Dc11SchemaPublicationFormatAdapter.php
index 75745c570b9..7f6595943ff 100755
--- a/plugins/metadata/dc11/filter/Dc11SchemaPublicationFormatAdapter.php
+++ b/plugins/metadata/dc11/filter/Dc11SchemaPublicationFormatAdapter.php
@@ -164,6 +164,11 @@ public function extractMetadataFromDataObject(&$publicationFormat)
             if ($pubId) {
                 $dc11Description->addStatement('dc:identifier', $pubId);
             }
+            $publicationPubId = $plugin->getPubId($publication);
+            if ($publicationPubId) {
+                $dc11Description->addStatement('dc:relation', $publicationPubId->getData('doi'));
+            }
+
         }
         $context = $request->getContext();
         if (!$context) {
@@ -176,6 +181,10 @@ public function extractMetadataFromDataObject(&$publicationFormat)
             if ($doi) {
                 $dc11Description->addStatement('dc:identifier', $doi);
             }
+            $publicationDoi = $publication->getData('doiObject');
+            if ($publicationDoi) {
+                $dc11Description->addStatement('dc:relation', $publicationDoi->getData('doi'));
+            }
         }
 
         // Identifier: others