feat: booking details pdf

src/Email/PdfAttachment.php

@@ -0,0 +1,24 @@
+<?php
+
+declare(strict_types=1);
+
+namespace App\Email;
+
+use Symfony\Bridge\Twig\Mime\TemplatedEmail;
+
+/**
+ * An already rendered PDF, ready to be hung on an email.
+ */
+readonly class PdfAttachment implements EmailAttachmentInterface
+{
+    public function __construct(
+        private string $content,
+        private string $filename,
+    ) {
+    }
+
+    public function attachTo(TemplatedEmail $email): void
+    {
+        $email->attach($this->content, $this->filename, 'application/pdf');
+    }
+}