BUGFIX: make dependency with Elasticsearch optional (so that the system works with SimpleSearch)

Author: skurfuerst

Classes/Flowpack/SearchPlugin/Controller/SuggestController.php

@@ -20,7 +20,7 @@
 class SuggestController extends ActionController
 {
     /**
-     * @Flow\Inject
+     * Dynamic dependency; to make the system work with SimpleSearch
      * @var \Flowpack\ElasticSearch\ContentRepositoryAdaptor\ElasticSearchClient
      */
     protected $elasticSearchClient;
@@ -32,6 +32,13 @@ class SuggestController extends ActionController
         'json' => 'TYPO3\Flow\Mvc\View\JsonView'
     ];
 
+    public function initializeObject()
+    {
+        if ($this->objectManager->isRegistered('Flowpack\ElasticSearch\ContentRepositoryAdaptor\ElasticSearchClient')) {
+            $this->elasticSearchClient = $this->objectManager->get('Flowpack\ElasticSearch\ContentRepositoryAdaptor\ElasticSearchClient');
+        }
+    }
+
     /**
      * @param string $term
      * @return void