/**
  * Renders a user collection
  * @param int $id collection id
  */
 public function renderUserCollection($id)
 {
     if (!is_int($id)) {
         throw new InvalidArgumentException(__METHOD__ . ' requires the parameter to be an integer, ' . gettype($id) . ' given.');
     }
     $collection = models\Collection::newFromListsApi($id, null, $this->getRequest()->getValues());
     $this->renderCollection($collection);
 }