feat: split nights off an accommodation booking as separate periods

addresses #869f6z36v

src/Controller/Admin/AccommodationBooking/RemovePeriodController.php

@@ -0,0 +1,80 @@
+<?php
+
+declare(strict_types=1);
+
+namespace App\Controller\Admin\AccommodationBooking;
+
+use App\Entity\Groups\AccommodationBookingPeriod;
+use App\Exception\ImplausibleBookingPriceException;
+use App\Htmx\HxTrait;
+use App\Service\AccommodationBookingService;
+use Psr\Log\LoggerInterface;
+use Symfony\Bundle\FrameworkBundle\Controller\AbstractController;
+use Symfony\Component\HttpFoundation\Request;
+use Symfony\Component\HttpFoundation\Response;
+use Symfony\Component\Routing\Attribute\Route;
+use Symfony\Component\Security\Http\Attribute\IsGranted;
+
+/** Gives a split-off period's nights back to the main period, which reprices the booking. */
+#[IsGranted('ROLE_GROUPS_MANAGER')]
+class RemovePeriodController extends AbstractController
+{
+    use HxTrait;
+    use RedirectsToEditFormTrait;
+
+    public function __construct(
+        private readonly AccommodationBookingService $bookingService,
+        private readonly LoggerInterface $logger,
+    ) {
+    }
+
+    #[Route('/admin/accommodation-booking-period/{id}/remove', name: 'app_admin_accommodationbooking_period_remove')]
+    public function index(AccommodationBookingPeriod $period, Request $request): Response
+    {
+        $booking = $period->getBooking() ?? throw $this->createNotFoundException();
+
+        if ($request->isMethod(Request::METHOD_POST)) {
+            if (!$this->isCsrfTokenValid('remove_accommodation_booking_period_'.$period->getId(), $request->request->getString('_token'))) {
+                throw $this->createAccessDeniedException('Invalid CSRF token.');
+            }
+
+            $periodId = $period->getId();
+
+            try {
+                $violations = $this->bookingService->removePeriod($booking, $period);
+            } catch (ImplausibleBookingPriceException $e) {
+                $this->logger->error('Refused to remove a period over an implausible accommodation booking total', [
+                    'exception' => $e,
+                    'id' => $booking->getId(),
+                    'periodId' => $periodId,
+                ]);
+                $this->addFlash('error', ImplausibleBookingPriceException::FORM_ERROR_MESSAGE);
+
+                return $this->htmxRedirect($request, $this->editUrl($booking, $request));
+            }
+
+            // Removing only ever lengthens the main period, so this is reached only when the
+            // stay's dates were already inconsistent with the periods.
+            foreach ($violations as $violation) {
+                $this->addFlash('error', (string) $violation->getMessage());
+            }
+
+            if (0 === count($violations)) {
+                $this->addFlash('success', 'Der Zeitraum wurde entfernt.');
+
+                $this->logger->info('Removed a period of accommodation booking', [
+                    'id' => $booking->getId(),
+                    'periodId' => $periodId,
+                ]);
+            }
+
+            return $this->htmxRedirect($request, $this->editUrl($booking, $request));
+        }
+
+        return $this->render('admin/accommodation_booking/modal_remove_period.html.twig', [
+            'booking' => $booking,
+            'period' => $period,
+            'csrf_token_id' => 'remove_accommodation_booking_period_'.$period->getId(),
+        ]);
+    }
+}