Use entity method for title id retrieval

unb-libraries · Aug 13, 2024 · 699dc4c · 699dc4c
1 parent 7387929
commit 699dc4c
Showing 1 changed file with 6 additions and 1 deletion.
diff --git a/...serial/modules/digital_serial_issue/src/Controller/DigitalSerialIssueSearchController.php b/...serial/modules/digital_serial_issue/src/Controller/DigitalSerialIssueSearchController.php
@@ -84,7 +84,12 @@ public function getIssueTitleId($issue_id) {
     $issue = \Drupal::entityTypeManager()
       ->getStorage('digital_serial_issue')
       ->load($issue_id);
-    $title_id = $issue->parent_title->target_id;
+
+    if ($issue == NULL) {
+      $title_id = NULL;
+    } else {
+      $title_id = $issue->getParentTitle();
+    }
 
     return new JsonResponse(
       [