From 96cb4f2cc445a43cf9d4aa97d7b4b25b4f471cbb Mon Sep 17 00:00:00 2001
From: ajstanley <alanjarlathstanley@gmail.com>
Date: Wed, 26 Jun 2024 13:55:57 -0300
Subject: [PATCH] added  check

---
 islandora.module | 12 ++++++++----
 1 file changed, 8 insertions(+), 4 deletions(-)

diff --git a/islandora.module b/islandora.module
index 8fa478a7f..ed1abb43e 100644
--- a/islandora.module
+++ b/islandora.module
@@ -549,10 +549,8 @@ function islandora_entity_view(array &$build, EntityInterface $entity, EntityVie
       $mapper = \Drupal::service('islandora.entity_mapper');
       $flysystem_config = Settings::get('flysystem');
       $fedora_root = $flysystem_config['fedora']['config']['root'];
-      $fedora_root = rtrim($fedora_root, '/');
-
       if ($entity->getEntityTypeId() == 'media') {
-        // Check if the source file is in Fedora or not.
+        // Check existence of source file.
         $media_source_service = \Drupal::service('islandora.media_source_service');
         $source_file = $media_source_service->getSourceFile($entity);
         if (!$source_file) {
@@ -566,6 +564,10 @@ function islandora_entity_view(array &$build, EntityInterface $entity, EntityVie
           );
           return;
         }
+        if (!$fedora_root) {
+          return;
+        }
+        $fedora_root = rtrim($fedora_root, '/');
         $uri = $source_file->getFileUri();
         $scheme = \Drupal::service('stream_wrapper_manager')->getScheme($uri);
         $flysystem_config = Settings::get('flysystem');
@@ -584,6 +586,9 @@ function islandora_entity_view(array &$build, EntityInterface $entity, EntityVie
       }
       else {
         // All non-media entities do the UUID -> pair tree thang.
+        if (!$fedora_root) {
+          return;
+        }
         $path = $mapper->getFedoraPath($entity->uuid());
         $path = trim($path, '/');
         $fedora_uri = "$fedora_root/$path";
@@ -608,7 +613,6 @@ function islandora_entity_view(array &$build, EntityInterface $entity, EntityVie
     }
   }
 }
-
 /**
  * Implements hook_preprocess_views_view_table().
  *