feat: booking details pdf

src/Service/AccommodationBookingService.php

@@ -4,6 +4,7 @@ declare(strict_types=1);
 
 namespace App\Service;
 
+use App\Email\EmailAttachmentInterface;
 use App\Email\Mailer;
 use App\Entity\Groups\Accommodation;
 use App\Entity\Groups\AccommodationBooking;
@@ -39,6 +40,7 @@ class AccommodationBookingService
         private readonly CmsDataProvider $cmsDataProvider,
         private readonly AccommodationBookingLinkSigner $linkSigner,
         private readonly AccommodationBookingBreakdownCalculator $breakdownCalculator,
+        private readonly AccommodationBookingPdfGenerator $pdfGenerator,
         private readonly string $accommodationEmail,
     ) {
     }
@@ -396,6 +398,7 @@ class AccommodationBookingService
         string $subject,
         string $template,
         string $errorMessage,
+        bool $withPdf = false,
     ): void {
         if (null === $to || '' === trim($to)) {
             $this->logger->warning($errorMessage, [
@@ -421,7 +424,7 @@ class AccommodationBookingService
                     'to' => $to,
                     'subject' => $subject,
                     'template' => $template,
-                    'attachments' => [],
+                    'attachments' => $withPdf ? $this->bookingPdfAttachment($booking) : [],
                 ],
             );
         } catch (\Throwable $e) {
@@ -562,9 +565,31 @@ class AccommodationBookingService
             'Deine Buchung ist bestätigt',
             'email/booking_confirmed_customer.html.twig',
             'Failed to send booking confirmed customer email',
+            withPdf: true,
         );
     }
 
+    /**
+     * A missing price snapshot must not cost the customer their confirmation, so a failed
+     * render degrades to sending the email without the document. Called only once a
+     * recipient is known, so no PDF is rendered for a mail that never goes out.
+     *
+     * @return list<EmailAttachmentInterface>
+     */
+    private function bookingPdfAttachment(AccommodationBooking $booking): array
+    {
+        try {
+            return [$this->pdfGenerator->createAttachment($booking)];
+        } catch (\Throwable $e) {
+            $this->logger->warning('Failed to attach the booking PDF to the confirmation email', [
+                'booking_id' => $booking->getId(),
+                'error' => $e->getMessage(),
+            ]);
+
+            return [];
+        }
+    }
+
     private function accessLinkOrNull(AccommodationBooking $booking): ?string
     {
         return null !== $booking->getAccessLinkIssuedAt() ? $this->linkSigner->sign($booking) : null;