private function cronWeekly()
    {
        // Clear the cache
        $this->app['cache']->flushAll();
        $this->notify('Clearing cache');

        // Trim system log files
        $this->app['logger.manager']->trim('system');

        // Trim change log files
        $this->app['logger.manager']->trim('change');

        $this->notify('Trimming logs');
    }