/**
  * @param $recipeId
  * @param string $string
  */
 protected function addTags($recipeId, $string = '-')
 {
     if ($string != '-' && $string != '') {
         $tags = explode(',', $string);
         foreach ($tags as $tag) {
             try {
                 $tagId = $this->tag->addTag(['tag_name' => trim($tag)]);
             } catch (QueryException $e) {
                 $tag = $this->tag->getTagFromName(trim($tag));
                 $tagId = $tag->tag_id;
             }
             try {
                 $this->recipeTag->addRecipeTag(['tag_id' => $tagId, 'recipe_id' => $recipeId]);
             } catch (QueryException $e) {
                 // no process
             }
         }
     }
 }