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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 Symfony\Component\Mailer\MailerInterface;
use Symfony\Component\Mailer\Transport\TransportInterface;
use Symfony\Component\Mime\Email;
/**
* SymfonyMailerHandler uses Symfony's Mailer component to send the emails
*
* @author Jordi Boggiano <j.boggiano@seld.be>
*
* @phpstan-import-type Record from \Monolog\Logger
*/
class SymfonyMailerHandler extends MailHandler
{
/** @var MailerInterface|TransportInterface */
protected $mailer;
/** @var Email|callable(string, Record[]): Email */
private $emailTemplate;
/**
* @psalm-param Email|callable(string, Record[]): Email $email
*
* @param MailerInterface|TransportInterface $mailer The mailer to use
* @param callable|Email $email An email template, the subject/body will be replaced
*/
public function __construct($mailer, $email, $level = Logger::ERROR, bool $bubble = true)
{
parent::__construct($level, $bubble);
$this->mailer = $mailer;
$this->emailTemplate = $email;
}
/**
* {@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 Email to be sent
*
* @param string $content formatted email body to be sent
* @param array $records Log records that formed the content
*
* @phpstan-param Record[] $records
*/
protected function buildMessage(string $content, array $records): Email
{
$message = null;
if ($this->emailTemplate instanceof Email) {
$message = clone $this->emailTemplate;
} elseif (is_callable($this->emailTemplate)) {
$message = ($this->emailTemplate)($content, $records);
}
if (!$message instanceof Email) {
$record = reset($records);
throw new \InvalidArgumentException('Could not resolve message as instance of Email or a callable returning it' . ($record ? Utils::getRecordMessageForException($record) : ''));
}
if ($records) {
$subjectFormatter = $this->getSubjectFormatter($message->getSubject());
$message->subject($subjectFormatter->format($this->getHighestRecord($records)));
}
if ($this->isHtmlBody($content)) {
if (null !== ($charset = $message->getHtmlCharset())) {
$message->html($content, $charset);
} else {
$message->html($content);
}
} else {
if (null !== ($charset = $message->getTextCharset())) {
$message->text($content, $charset);
} else {
$message->text($content);
}
}
return $message->date(new \DateTimeImmutable());
}
}
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