Issue #3005058 by valthebald: React on entity insert

entity_language_fallback.module

@@ -89,6 +89,38 @@ function entity_language_fallback_form_language_admin_edit_form_builder($entity_
   );
 }
 
+/**
+ * Implements hook_entity_insert().
+ *
+ * Modified version of search_api_entity_insert().
+ * @see search_api_entity_insert()
+ */
+function entity_language_fallback_entity_insert(EntityInterface $entity) {
+  if (!\Drupal::moduleHandler()->moduleExists('search_api')) {
+    return;
+  }
+  // Check if the entity is a content entity.
+  if (!($entity instanceof ContentEntityInterface) || $entity->search_api_skip_tracking) {
+    return;
+  }
+  $indexes = ContentEntityFallback::getIndexesForEntity($entity);
+  if (!$indexes) {
+    return;
+  }
+
+  // Compute the item IDs for all languages of the entity.
+  $item_ids = [];
+  $entity_id = $entity->id();
+  foreach (array_keys($entity->getTranslationLanguages()) as $langcode) {
+    $item_ids[] = $entity_id . ':' . $langcode;
+  }
+  $datasource_id = 'entity_language_fallback:' . $entity->getEntityTypeId();
+  foreach ($indexes as $index) {
+    $filtered_item_ids = ContentEntityFallback::filterValidItemIds($index, $datasource_id, $item_ids);
+    $index->trackItemsInserted($datasource_id, $filtered_item_ids);
+  }
+}
+
 /**
  * Implements hook_entity_update().
  *