<?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\Transport;
use Symfony\Component\Mailer\Envelope;
use Symfony\Component\Mailer\Exception\InvalidArgumentException;
use Symfony\Component\Mailer\Exception\LogicException;
use Symfony\Component\Mailer\SentMessage;
use Symfony\Component\Mime\Message;
use Symfony\Component\Mime\RawMessage;
/**
* @author Fabien Potencier <fabien@symfony.com>
*/
final class Transports implements TransportInterface
{
private $transports;
private $default;
/**
* @param TransportInterface[] $transports
*/
public function __construct(iterable $transports)
{
$this->transports = [];
foreach ($transports as $name => $transport) {
if (null === $this->default) {
$this->default = $transport;
}
$this->transports[$name] = $transport;
}
if (!$this->transports) {
throw new LogicException(sprintf('"%s" must have at least one transport configured.', __CLASS__));
}
}
public function send(RawMessage $message, Envelope $envelope = null): ?SentMessage
{
/** @var Message $message */
if (RawMessage::class === \get_class($message) || !$message->getHeaders()->has('X-Transport')) {
return $this->default->send($message, $envelope);
}
$headers = $message->getHeaders();
$transport = $headers->get('X-Transport')->getBody();
$headers->remove('X-Transport');
if (!isset($this->transports[$transport])) {
throw new InvalidArgumentException(sprintf('The "%s" transport does not exist (available transports: "%s").', $transport, implode('", "', array_keys($this->transports))));
}
return $this->transports[$transport]->send($message, $envelope);
}
public function __toString(): string
{
return '['.implode(',', array_keys($this->transports)).']';
}
}