Subversion-Projekte lars-tiefland.laravel_shop

<?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 Psr\EventDispatcher\EventDispatcherInterface;

use Psr\Log\LoggerInterface;

use Psr\Log\NullLogger;

use Symfony\Bridge\Twig\Mime\TemplatedEmail;

use Symfony\Component\Mailer\Envelope;

use Symfony\Component\Mailer\Event\FailedMessageEvent;

use Symfony\Component\Mailer\Event\MessageEvent;

use Symfony\Component\Mailer\Event\SentMessageEvent;

use Symfony\Component\Mailer\Exception\LogicException;

use Symfony\Component\Mailer\SentMessage;

use Symfony\Component\Mime\Address;

use Symfony\Component\Mime\BodyRendererInterface;

use Symfony\Component\Mime\RawMessage;

/**

 * @author Fabien Potencier <fabien@symfony.com>

 */

abstract class AbstractTransport implements TransportInterface

{

    private ?EventDispatcherInterface $dispatcher;

    private LoggerInterface $logger;

    private float $rate = 0;

    private float $lastSent = 0;

    public function __construct(EventDispatcherInterface $dispatcher = null, LoggerInterface $logger = null)

    {

        $this->dispatcher = $dispatcher;

        $this->logger = $logger ?? new NullLogger();

    }

    /**

     * Sets the maximum number of messages to send per second (0 to disable).

     *

     * @return $this

     */

    public function setMaxPerSecond(float $rate): static

    {

        if (0 >= $rate) {

            $rate = 0;

        }

        $this->rate = $rate;

        $this->lastSent = 0;

        return $this;

    }

    public function send(RawMessage $message, Envelope $envelope = null): ?SentMessage

    {

        $message = clone $message;

        $envelope = null !== $envelope ? clone $envelope : Envelope::create($message);

        try {

            if (!$this->dispatcher) {

                $sentMessage = new SentMessage($message, $envelope);

                $this->doSend($sentMessage);

                return $sentMessage;

            }

            $event = new MessageEvent($message, $envelope, (string) $this);

            $this->dispatcher->dispatch($event);

            $envelope = $event->getEnvelope();

            $message = $event->getMessage();

            if ($message instanceof TemplatedEmail && !$message->isRendered()) {

                throw new LogicException(sprintf('You must configure a "%s" when a "%s" instance has a text or HTML template set.', BodyRendererInterface::class, get_debug_type($message)));

            }

            $sentMessage = new SentMessage($message, $envelope);

            try {

                $this->doSend($sentMessage);

            } catch (\Throwable $error) {

                $this->dispatcher->dispatch(new FailedMessageEvent($message, $error));

                $this->checkThrottling();

                throw $error;

            }

            $this->dispatcher->dispatch(new SentMessageEvent($sentMessage));

            return $sentMessage;

        } finally {

            $this->checkThrottling();

        }

    }

    abstract protected function doSend(SentMessage $message): void;

    /**

     * @param Address[] $addresses

     *

     * @return string[]

     */

    protected function stringifyAddresses(array $addresses): array

    {

        return array_map(function (Address $a) {

            return $a->toString();

        }, $addresses);

    }

    protected function getLogger(): LoggerInterface

    {

        return $this->logger;

    }

    private function checkThrottling()

    {

        if (0 == $this->rate) {

            return;

        }

        $sleep = (1 / $this->rate) - (microtime(true) - $this->lastSent);

        if (0 < $sleep) {

            $this->logger->debug(sprintf('Email transport "%s" sleeps for %.2f seconds', __CLASS__, $sleep));

            usleep($sleep * 1000000);

        }

        $this->lastSent = microtime(true);

    }

}