validation-bugsnag-email

vendor/symfony/mailgun-mailer/Transport/MailgunHeadersTrait.php

@@ -0,0 +1,54 @@
+<?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\Bridge\Mailgun\Transport;
+
+use Symfony\Component\Mailer\Envelope;
+use Symfony\Component\Mailer\Header\MetadataHeader;
+use Symfony\Component\Mailer\Header\TagHeader;
+use Symfony\Component\Mailer\SentMessage;
+use Symfony\Component\Mime\Message;
+use Symfony\Component\Mime\RawMessage;
+
+/**
+ * @author Kevin Bond <kevinbond@gmail.com>
+ */
+trait MailgunHeadersTrait
+{
+    public function send(RawMessage $message, Envelope $envelope = null): ?SentMessage
+    {
+        if ($message instanceof Message) {
+            $this->addMailgunHeaders($message);
+        }
+
+        return parent::send($message, $envelope);
+    }
+
+    private function addMailgunHeaders(Message $message): void
+    {
+        $headers = $message->getHeaders();
+        $metadata = [];
+
+        foreach ($headers->all() as $name => $header) {
+            if ($header instanceof TagHeader) {
+                $headers->addTextHeader('X-Mailgun-Tag', $header->getValue());
+                $headers->remove($name);
+            } elseif ($header instanceof MetadataHeader) {
+                $metadata[$header->getKey()] = $header->getValue();
+                $headers->remove($name);
+            }
+        }
+
+        if ($metadata) {
+            $headers->addTextHeader('X-Mailgun-Variables', json_encode($metadata));
+        }
+    }
+}