protected static function convertFile($file)
    {
        $error = $file->getError();
        $tmpName = '';
        if ($error === UPLOAD_ERR_OK) {
            $tmpName = $file->getStream()->getMetadata('uri');
        }

        return [
            'name' => $file->getClientFilename(),
            'type' => $file->getClientMediaType(),
            'tmp_name' => $tmpName,
            'error' => $error,
            'size' => $file->getSize(),
        ];
    }