public function cleanAction()
    {
        $this->putText("Cleaning cache...");

        $di = DI::getDefault();

        if ($di->has('config')) {
            $config = $di->get('config');

            if (!empty($config->application->view->cacheDir)) {
                $this->removeFilesFromDir($config->application->view->cacheDir);
            }

            $this->putSuccess("Done.");
        }
    }