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vendor/symfony/mailer/Transport/AbstractApiTransport.php

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+<?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\RuntimeException;
+use Symfony\Component\Mailer\SentMessage;
+use Symfony\Component\Mime\Address;
+use Symfony\Component\Mime\Email;
+use Symfony\Component\Mime\MessageConverter;
+use Symfony\Contracts\HttpClient\ResponseInterface;
+
+/**
+ * @author Fabien Potencier <fabien@symfony.com>
+ */
+abstract class AbstractApiTransport extends AbstractHttpTransport
+{
+    abstract protected function doSendApi(SentMessage $sentMessage, Email $email, Envelope $envelope): ResponseInterface;
+
+    protected function doSendHttp(SentMessage $message): ResponseInterface
+    {
+        try {
+            $email = MessageConverter::toEmail($message->getOriginalMessage());
+        } catch (\Exception $e) {
+            throw new RuntimeException(sprintf('Unable to send message with the "%s" transport: ', __CLASS__).$e->getMessage(), 0, $e);
+        }
+
+        return $this->doSendApi($message, $email, $message->getEnvelope());
+    }
+
+    /**
+     * @return Address[]
+     */
+    protected function getRecipients(Email $email, Envelope $envelope): array
+    {
+        return array_filter($envelope->getRecipients(), fn (Address $address) => false === \in_array($address, array_merge($email->getCc(), $email->getBcc()), true));
+    }
+}