protected function createAttachmentViaPath($file)
    {
        /** @var $byteStream \Swift_ByteStream_FileByteStream */
        $byteStream = $this->getManager()->getDI()->get('\Swift_ByteStream_FileByteStream', [$file]);

        /** @var $image \Swift_Attachment */
        $attachment = $this->getManager()->getDI()->get('\Swift_Attachment')
            ->setFile($byteStream);

        return $attachment;
    }