DGIR-142 : Update manifest to include thumbnail

discoverygarden · Dec 22, 2023 · adb6a0d · adb6a0d
1 parent 7426a5a
commit adb6a0d
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Showing 2 changed files with 52 additions and 6 deletions.
diff --git a/src/EventSubscriber/V3/BaseImageBodyEventSubscriber.php b/src/EventSubscriber/V3/BaseImageBodyEventSubscriber.php
@@ -83,12 +83,6 @@ protected function getBody(?string $slug, FileInterface $file, array $extra = []
           'id' => $base_id,
         ] + $extra,
       ],
-      'thumbnail' => [
-        [
-          'id' => "$base_id/full/255,/0/default.jpg",
-          'type' => "Image",
-        ],
-      ],
     ];
   }
 

diff --git a/src/Normalizer/V3/ContentEntityNormalizer.php b/src/Normalizer/V3/ContentEntityNormalizer.php
@@ -6,7 +6,9 @@
 use Drupal\Core\Entity\ContentEntityInterface;
 use Drupal\Core\Session\AccountInterface;
 use Drupal\Core\Url;
+use Drupal\file\FileInterface;
 use Drupal\iiif_presentation_api\Event\V3\ContentEntityExtrasEvent;
+use Drupal\iiif_presentation_api\Event\V3\ImageBodyEvent;
 use Drupal\iiif_presentation_api\Normalizer\EntityUriTrait;
 use Drupal\node\NodeInterface;
 use Psr\EventDispatcher\EventDispatcherInterface;
@@ -106,9 +108,59 @@ public function normalize($object, $format = NULL, array $context = []) {
       $normalized = NestedArray::mergeDeep($normalized, $extras);
     }
 
+    // It triggers for node and media. Adds thumbnail multiple time.
+    // Restricting it for node only.
+    if ($object->getEntityTypeId() == 'node') {
+
+      // Load the entity type manager.
+      $entity_type_manager = \Drupal::entityTypeManager();
+
+      // Get the storage handler for the media entity.
+      $media_storage = $entity_type_manager->getStorage('media');
+
+      // Load a single media entity by properties.
+      $media_entities = $media_storage->loadByProperties([
+        'field_media_use' => 349, // Need to make it dynamic after verification.
+        'field_media_of' => $object->id(),
+      ]);
+
+      // Check if a media entity was found.
+      if ($media_entities) {
+        // Process the single media entity as needed.
+        $media_entity = reset($media_entities);
+
+        // Get the file ID from the file field.
+        $file_id = $media_entity->get('field_media_image')->target_id;
+        $file = $entity_type_manager->getStorage('file')->load($file_id);
+      }
+
+      $normalized['thumbnail'] = $this->generateBody($file);
+    }
     return $this->normalizeEntityFields($object, $format, $context, $normalized);
   }
 
+  /**
+   * Generate the annotation body.
+   *
+   * @param \Drupal\file\FileInterface $file
+   *   The file for which to generate the body.
+   *
+   * @return array
+   *   An associative array representing the body.
+   */
+  protected function generateBody(FileInterface $file) : array {
+    /** @var \Drupal\iiif_presentation_api\Event\V3\ImageBodyEvent $event */
+    $event_dispatcher = \Drupal::service('event_dispatcher');
+    $event = $event_dispatcher->dispatch(new ImageBodyEvent($file));
+    $bodies = $event->getBodies();
+    if (!$bodies) {
+      return [];
+    }
+    $body = reset($bodies);
+    $body['service'] = array_merge(...array_filter(array_column($bodies, 'service')));
+    return $body;
+  }
+
   /**
    * Normalizes all fields present on a content entity.
    *