/**
     * Moves the attached file to the server.
     *
     * @param Symfony\Component\HttpFoundation\File\UploadedFile $file
     *
     * @return string
     */
    protected function moveFile($file)
    {
        if (!$file->isValid()) {
            return '';
        }
        
        $fileName = sprintf('%s.%s', uniqid(), $file->getClientOriginalExtension());
        $destinationPath = config('laravel-code-generator.files_upload_path','uploads');
        $path = $file->move($destinationPath, $fileName);
        
        return $destinationPath . '/' . $fileName;
    }