private function isDropzoneDropTimeIsUp(Dropzone $dropzone)
    {
        $dropDatePassed = false;
        if ($dropzone->getAutoCloseOpenedDropsWhenTimeIsUp() && false === $dropzone->getManualPlanning()) {
            $now = new \DateTime();
            $dropDatePassed = $now->getTimestamp() > $dropzone->getEndAllowDrop()->getTimeStamp();
        }

        return $dropDatePassed;
    }