<?php

/*

 * This file is part of the Monolog package.

 *

 * (c) Jordi Boggiano <j.boggiano@seld.be>

 *

 * For the full copyright and license information, please view the LICENSE

 * file that was distributed with this source code.

 */

namespace Monolog\Handler;

use Monolog\Logger;

/**

 * SwiftMailerHandler uses Swift_Mailer to send the emails

 *

 * @author Gyula Sallai

 */

class SwiftMailerHandler extends MailHandler

{

    protected $mailer;

    protected $message;

    /**

     * @param \Swift_Mailer $mailer The mailer to use

     * @param callback|\Swift_Message $message An example message for real messages, only the body will be replaced

     * @param integer $level The minimum logging level at which this handler will be triggered

     * @param Boolean $bubble Whether the messages that are handled can bubble up the stack or not

     */

    public function __construct(\Swift_Mailer $mailer, $message, $level = Logger::ERROR, $bubble = true)

    {

        parent::__construct($level, $bubble);

        $this->mailer  = $mailer;

        if (!$message instanceof \Swift_Message && is_callable($message)) {

            $message = call_user_func($message);

        }

        if (!$message instanceof \Swift_Message) {

            throw new \InvalidArgumentException('You must provide either a Swift_Message instance or a callback returning it');

        }

        $this->message = $message;

    }

    /**

     * {@inheritdoc}

     */

    protected function send($content)

    {

        $message = clone $this->message;

        $message->setBody($content);

        $this->mailer->send($message);

    }

}