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<?php declare(strict_types=1);
/*
* 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;
use Monolog\Utils;
use Monolog\Formatter\FormatterInterface;
use Monolog\Formatter\LineFormatter;
use Swift_Message;
use Swift;
/**
* SwiftMailerHandler uses Swift_Mailer to send the emails
*
* @author Gyula Sallai
*
* @phpstan-import-type Record from \Monolog\Logger
* @deprecated Since Monolog 2.6. Use SymfonyMailerHandler instead.
*/
class SwiftMailerHandler extends MailHandler
{
/** @var \Swift_Mailer */
protected $mailer;
/** @var Swift_Message|callable(string, Record[]): Swift_Message */
private $messageTemplate;
/**
* @psalm-param Swift_Message|callable(string, Record[]): Swift_Message $message
*
* @param \Swift_Mailer $mailer The mailer to use
* @param callable|Swift_Message $message An example message for real messages, only the body will be replaced
*/
public function __construct(\Swift_Mailer $mailer, $message, $level = Logger::ERROR, bool $bubble = true)
{
parent::__construct($level, $bubble);
@trigger_error('The SwiftMailerHandler is deprecated since Monolog 2.6. Use SymfonyMailerHandler instead.', E_USER_DEPRECATED);
$this->mailer = $mailer;
$this->messageTemplate = $message;
}
/**
* {@inheritDoc}
*/
protected function send(string $content, array $records): void
{
$this->mailer->send($this->buildMessage($content, $records));
}
/**
* Gets the formatter for the Swift_Message subject.
*
* @param string|null $format The format of the subject
*/
protected function getSubjectFormatter(?string $format): FormatterInterface
{
return new LineFormatter($format);
}
/**
* Creates instance of Swift_Message to be sent
*
* @param string $content formatted email body to be sent
* @param array $records Log records that formed the content
* @return Swift_Message
*
* @phpstan-param Record[] $records
*/
protected function buildMessage(string $content, array $records): Swift_Message
{
$message = null;
if ($this->messageTemplate instanceof Swift_Message) {
$message = clone $this->messageTemplate;
$message->generateId();
} elseif (is_callable($this->messageTemplate)) {
$message = ($this->messageTemplate)($content, $records);
}
if (!$message instanceof Swift_Message) {
$record = reset($records);
throw new \InvalidArgumentException('Could not resolve message as instance of Swift_Message or a callable returning it' . ($record ? Utils::getRecordMessageForException($record) : ''));
}
if ($records) {
$subjectFormatter = $this->getSubjectFormatter($message->getSubject());
$message->setSubject($subjectFormatter->format($this->getHighestRecord($records)));
}
$mime = 'text/plain';
if ($this->isHtmlBody($content)) {
$mime = 'text/html';
}
$message->setBody($content, $mime);
/** @phpstan-ignore-next-line */
if (version_compare(Swift::VERSION, '6.0.0', '>=')) {
$message->setDate(new \DateTimeImmutable());
} else {
/** @phpstan-ignore-next-line */
$message->setDate(time());
}
return $message;
}
}
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