public function download($url, $directory)
    {
        coollect((array) $url)->each(function ($url) use ($directory) {
            $filename = basename($url);

            $destination = $this->toDir("{$directory}/{$filename}");

            $this->message("Downloading to {$destination}");

            $this->mkDir($directory);

            $this->downloadFile($url, $destination);
        });
    }