check if term exists

Classes/Controller/TermController.php

@@ -15,7 +15,7 @@ class TermController extends ActionController
 
     public function createAction($terms, $categoryObj, $typeObj, $urlObj): void {
         foreach ($terms as $term) {
-            if($term !== '') {
+            if($term !== '' && !($this->termRepository->findByTitle($term))) {
                 $termObj = new Term();
                 $termObj->setTerm($term);
                 $termObj->setCategory($categoryObj);