Viên ngọc phương Đông

<?php

/*
 * This file is part of the Symfony package.
 *
 * (c) Fabien Potencier <fabien@symfony.com>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

namespace Symfony\Component\Mailer\Bridge\Postmark\Event;

use Symfony\Component\Mime\Header\Headers;

class PostmarkDeliveryEvent
{
    public function __construct(
        private readonly string $message,
        private readonly int $errorCode,
        private readonly Headers $headers,
    ) {
    }

public function getErrorCode(): int
    {
        return $this->errorCode;
    }

public function getHeaders(): Headers
    {
        return $this->headers;
    }

public function getMessage(): string
    {
        return $this->message;
    }

public function getMessageId(): ?string
    {
        if (!$this->headers->has('Message-ID')) {
            return null;
        }

return $this->headers->get('Message-ID')->getBodyAsString();
    }
}