From c9dfc74017a864489b6acad53bedba762e7862d3 Mon Sep 17 00:00:00 2001
From: Bozana Bokan <bozana.bokan@posteo.net>
Date: Mon, 15 Jul 2024 15:59:53 +0200
Subject: [PATCH] pkp/pkp-lib#9877 Provide book DOI and URN via OMP OAI

---
 .../dc11/filter/Dc11SchemaPublicationFormatAdapter.inc.php    | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/plugins/metadata/dc11/filter/Dc11SchemaPublicationFormatAdapter.inc.php b/plugins/metadata/dc11/filter/Dc11SchemaPublicationFormatAdapter.inc.php
index 9466704ca21..5901d5c6f2c 100755
--- a/plugins/metadata/dc11/filter/Dc11SchemaPublicationFormatAdapter.inc.php
+++ b/plugins/metadata/dc11/filter/Dc11SchemaPublicationFormatAdapter.inc.php
@@ -158,6 +158,10 @@ function extractMetadataFromDataObject(&$publicationFormat) {
 			if ($pubId) {
 				$dc11Description->addStatement('dc:identifier', $pubId);
 			}
+			$publicationPubId = $plugin->getPubId($publication);
+			if ($publicationPubId) {
+				$dc11Description->addStatement('dc:relation', $publicationPubId);
+			}
 		}
 
 		// Identifier: others