wip: group inquiries and booking

assets/controllers/clipboard_controller.js

@@ -0,0 +1,37 @@
+import { Controller } from "@hotwired/stimulus"
+
+export default class extends Controller {
+
+    static values = {
+        content: String,
+        label: String,
+    }
+
+    connect() {
+        this.originalLabel = this.element.innerText
+    }
+
+    disconnect() {
+        clearTimeout(this.resetTimer)
+    }
+
+    copy() {
+        navigator.clipboard.writeText(this.contentValue).then(() => {
+            this.dispatch('copied', {
+                detail: {
+                    content: this.contentValue,
+                }
+            })
+        }).catch((error) => {
+            console.error('Failed to copy to clipboard:', error)
+        })
+
+        if (this.hasLabelValue) {
+            this.element.innerText = this.labelValue
+            clearTimeout(this.resetTimer)
+            this.resetTimer = setTimeout(() => {
+                this.element.innerText = this.originalLabel
+            }, 3000)
+        }
+    }
+}

migrations/Version20260710130000.php

@@ -0,0 +1,26 @@
+<?php
+
+declare(strict_types=1);
+
+namespace DoctrineMigrations;
+
+use Doctrine\DBAL\Schema\Schema;
+use Doctrine\Migrations\AbstractMigration;
+
+final class Version20260710130000 extends AbstractMigration
+{
+    public function getDescription(): string
+    {
+        return 'Store an authoritative price snapshot on accommodation bookings';
+    }
+
+    public function up(Schema $schema): void
+    {
+        $this->addSql('ALTER TABLE accommodation_booking ADD price_breakdown JSON DEFAULT NULL, ADD total_price INT DEFAULT NULL, ADD pricing_currency VARCHAR(3) DEFAULT NULL, ADD pricing_version SMALLINT DEFAULT NULL');
+    }
+
+    public function down(Schema $schema): void
+    {
+        $this->addSql('ALTER TABLE accommodation_booking DROP price_breakdown, DROP total_price, DROP pricing_currency, DROP pricing_version');
+    }
+}

src/Controller/Admin/Accommodation/DeleteController.php

@@ -25,6 +25,10 @@ class DeleteController extends AbstractController
     public function index(Accommodation $accommodation, Request $request): Response
     {
         if (true === $request->isMethod(Request::METHOD_POST)) {
+            if (!$this->isCsrfTokenValid('delete_accommodation_'.$accommodation->getId(), $request->request->getString('_token'))) {
+                throw $this->createAccessDeniedException('Invalid CSRF token.');
+            }
+
             $this->entityManager->remove($accommodation);
             $this->entityManager->flush();
 
@@ -40,6 +44,7 @@ class DeleteController extends AbstractController
 
         return $this->render('admin/accommodation/modal_delete.html.twig', [
             'accommodation' => $accommodation,
+            'csrf_token_id' => 'delete_accommodation_'.$accommodation->getId(),
         ]);
     }
 }

src/Controller/Admin/AccommodationBooking/CreateController.php

@@ -34,6 +34,7 @@ class CreateController extends AbstractController
         $form->handleRequest($request);
 
         if ($form->isSubmitted() && $form->isValid()) {
+            $this->bookingService->refreshPriceSnapshot($booking);
             $this->entityManager->persist($booking);
             $this->entityManager->flush();
 

src/Controller/Admin/AccommodationBooking/EditController.php

@@ -62,7 +62,7 @@ class EditController extends AbstractController
             $currentIds = array_column($booking->getAdditionalServices(), 'originalServiceId');
             $currentAdditionalServices = array_values(array_filter(
                 $additionalServices,
-                fn(AdditionalService $s) => in_array($s->getId(), $currentIds, true),
+                fn (AdditionalService $s) => in_array($s->getId(), $currentIds, true),
             ));
         }
 
@@ -103,6 +103,8 @@ class EditController extends AbstractController
                 }
             }
 
+            $this->bookingService->refreshPriceSnapshot($booking);
+
             $this->entityManager->persist($booking);
             $this->entityManager->flush();
 

src/Controller/Admin/AccommodationBooking/GenerateAccessLinkController.php

@@ -5,6 +5,7 @@ declare(strict_types=1);
 namespace App\Controller\Admin\AccommodationBooking;
 
 use App\Entity\Groups\AccommodationBooking;
+use App\Htmx\HxRedirectResponse;
 use App\Service\AccommodationBookingService;
 use Psr\Log\LoggerInterface;
 use Symfony\Bundle\FrameworkBundle\Controller\AbstractController;
@@ -24,17 +25,24 @@ class GenerateAccessLinkController extends AbstractController
     public function index(AccommodationBooking $booking, Request $request): Response
     {
         if ($request->isMethod(Request::METHOD_POST)) {
-            $this->bookingService->regenerateAccessLinkAndNotifyCustomer($booking);
+            if (!$this->isCsrfTokenValid('generate_accommodation_booking_access_link_'.$booking->getId(), $request->request->getString('_token'))) {
+                throw $this->createAccessDeniedException('Invalid CSRF token.');
+            }
 
-            $this->addFlash('success', 'Der Zugangslink wurde generiert und dem Kunden per E-Mail zugestellt.');
+            $this->bookingService->regenerateAccessLink($booking);
+
+            $this->addFlash('success', 'Der Zugangslink wurde neu generiert.');
 
             $this->logger->info('Generated accommodation booking access link', [
                 'id' => $booking->getId(),
             ]);
 
-            return $this->redirectToRoute('app_admin_accommodationbooking_show', ['id' => $booking->getId()]);
+            return new HxRedirectResponse($this->generateUrl('app_admin_accommodationbooking_show', ['id' => $booking->getId()]));
         }
 
-        return $this->redirectToRoute('app_admin_accommodationbooking_show', ['id' => $booking->getId()]);
+        return $this->render('admin/accommodation_booking/modal_generate_access_link.html.twig', [
+            'booking' => $booking,
+            'csrf_token_id' => 'generate_accommodation_booking_access_link_'.$booking->getId(),
+        ]);
     }
 }

src/Controller/Admin/AccommodationBooking/SendAccessLinkController.php

@@ -0,0 +1,52 @@
+<?php
+
+declare(strict_types=1);
+
+namespace App\Controller\Admin\AccommodationBooking;
+
+use App\Entity\Groups\AccommodationBooking;
+use App\Htmx\HxRedirectResponse;
+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;
+
+class SendAccessLinkController extends AbstractController
+{
+    public function __construct(
+        private readonly AccommodationBookingService $bookingService,
+        private readonly LoggerInterface $logger,
+    ) {
+    }
+
+    #[Route('/admin/accommodation-booking/{id}/send-access-link', name: 'app_admin_accommodationbooking_send_access_link')]
+    public function index(AccommodationBooking $booking, Request $request): Response
+    {
+        if (null === $booking->getAccessLinkIssuedAt()) {
+            return $this->redirectToRoute('app_admin_accommodationbooking_show', ['id' => $booking->getId()]);
+        }
+
+        if ($request->isMethod(Request::METHOD_POST)) {
+            if (!$this->isCsrfTokenValid('send_accommodation_booking_access_link_'.$booking->getId(), $request->request->getString('_token'))) {
+                throw $this->createAccessDeniedException('Invalid CSRF token.');
+            }
+
+            $this->bookingService->sendCustomerConfirmationEmail($booking);
+
+            $this->addFlash('success', 'Der Zugangslink wurde dem Kunden per E-Mail zugestellt.');
+
+            $this->logger->info('Sent accommodation booking access link', [
+                'id' => $booking->getId(),
+            ]);
+
+            return new HxRedirectResponse($this->generateUrl('app_admin_accommodationbooking_show', ['id' => $booking->getId()]));
+        }
+
+        return $this->render('admin/accommodation_booking/modal_send_access_link.html.twig', [
+            'booking' => $booking,
+            'csrf_token_id' => 'send_accommodation_booking_access_link_'.$booking->getId(),
+        ]);
+    }
+}

src/Controller/Admin/AccommodationPrice/DeleteController.php

@@ -20,12 +20,17 @@ class DeleteController extends AbstractController
         private readonly LoggerInterface $logger,
     ) {
     }
+
     #[Route('/admin/accommodation-price/{id}/delete', name: 'app_admin_accommodationprice_delete')]
     public function index(AccommodationPrice $accommodationPrice, Request $request): Response
     {
         $accommodation = $accommodationPrice->getAccommodation();
 
         if (true === $request->isMethod(Request::METHOD_POST)) {
+            if (!$this->isCsrfTokenValid('delete_accommodation_price_'.$accommodationPrice->getId(), $request->request->getString('_token'))) {
+                throw $this->createAccessDeniedException('Invalid CSRF token.');
+            }
+
             $this->entityManager->remove($accommodationPrice);
             $this->entityManager->flush();
 
@@ -37,7 +42,7 @@ class DeleteController extends AbstractController
                 'date_range' => [
                     'from' => $accommodationPrice->getDateFrom()->format('Y-m-d'),
                     'to' => $accommodationPrice->getDateTo()->format('Y-m-d'),
-                ]
+                ],
             ]);
 
             $returnUrl = $this->generateUrl('app_admin_accommodation_edit', [
@@ -50,6 +55,7 @@ class DeleteController extends AbstractController
         return $this->render('admin/accommodation_price/modal_delete.html.twig', [
             'accommodationPrice' => $accommodationPrice,
             'accommodation' => $accommodation,
+            'csrf_token_id' => 'delete_accommodation_price_'.$accommodationPrice->getId(),
         ]);
     }
 }

src/Controller/Admin/AdditionalService/DeleteController.php

@@ -27,6 +27,10 @@ class DeleteController extends AbstractController
         $accommodation = $additionalService->getAccommodation();
 
         if (true === $request->isMethod(Request::METHOD_POST)) {
+            if (!$this->isCsrfTokenValid('delete_additional_service_'.$additionalService->getId(), $request->request->getString('_token'))) {
+                throw $this->createAccessDeniedException('Invalid CSRF token.');
+            }
+
             $this->entityManager->remove($additionalService);
             $this->entityManager->flush();
 
@@ -48,6 +52,7 @@ class DeleteController extends AbstractController
         return $this->render('admin/additional_service/modal_delete.html.twig', [
             'additionalService' => $additionalService,
             'accommodation' => $accommodation,
+            'csrf_token_id' => 'delete_additional_service_'.$additionalService->getId(),
         ]);
     }
 }

src/Controller/Admin/BoardService/DeleteController.php

@@ -27,6 +27,10 @@ class DeleteController extends AbstractController
         $accommodation = $boardService->getAccommodation();
 
         if (true === $request->isMethod(Request::METHOD_POST)) {
+            if (!$this->isCsrfTokenValid('delete_board_service_'.$boardService->getId(), $request->request->getString('_token'))) {
+                throw $this->createAccessDeniedException('Invalid CSRF token.');
+            }
+
             $this->entityManager->remove($boardService);
             $this->entityManager->flush();
 
@@ -48,6 +52,7 @@ class DeleteController extends AbstractController
         return $this->render('admin/board_service/modal_delete.html.twig', [
             'boardService' => $boardService,
             'accommodation' => $accommodation,
+            'csrf_token_id' => 'delete_board_service_'.$boardService->getId(),
         ]);
     }
 }

src/Controller/Admin/BookingEditDraft/DeleteController.php

@@ -28,6 +28,10 @@ class DeleteController extends AbstractController
     public function index(BookingEditDraft $draft, Request $request): Response
     {
         if (true === $request->isMethod(Request::METHOD_POST)) {
+            if (!$this->isCsrfTokenValid('delete_booking_edit_draft_'.$draft->getId(), $request->request->getString('_token'))) {
+                throw $this->createAccessDeniedException('Invalid CSRF token.');
+            }
+
             $this->entityManager->remove($draft);
             $this->entityManager->flush();
 
@@ -43,6 +47,7 @@ class DeleteController extends AbstractController
 
         return $this->render('admin/booking_edit_draft/modal_delete.html.twig', [
             'draft' => $draft,
+            'csrf_token_id' => 'delete_booking_edit_draft_'.$draft->getId(),
         ]);
     }
 }

src/Controller/Api/ContingentController.php

@@ -8,14 +8,16 @@ use App\BpnConnect\ContingentsClient;
 use App\BpnConnect\Exception\BpnConnectException;
 use App\Entity\Groups\AccommodationPrice;
 use App\Enum\Groups\PriceType;
+use App\Model\ContingentCalendarQuery;
+use App\Model\ContingentPricesQuery;
 use App\Repository\Groups\AccommodationPriceRepository;
 use App\Repository\Groups\AccommodationRepository;
 use App\Service\PriceTimelineBuilder;
 use Psr\Cache\InvalidArgumentException;
 use Symfony\Bundle\FrameworkBundle\Controller\AbstractController;
 use Symfony\Component\HttpFoundation\JsonResponse;
-use Symfony\Component\HttpFoundation\Request;
 use Symfony\Component\HttpFoundation\Response;
+use Symfony\Component\HttpKernel\Attribute\MapQueryString;
 use Symfony\Component\Routing\Attribute\Route;
 use Symfony\Component\Security\Http\Attribute\IsGranted;
 use Symfony\Contracts\Cache\CacheInterface;
@@ -35,30 +37,20 @@ class ContingentController extends AbstractController
     }
 
     #[Route(path: '/contingents/prices', name: 'api_contingents_prices', methods: ['GET'])]
-    public function prices(Request $request): JsonResponse
-    {
-        $hotelCode = $request->query->get('hotelCode');
-        $yearRaw = $request->query->get('year');
-
-        if (!$hotelCode || !$yearRaw) {
-            return $this->json(['error' => 'hotelCode and year are required.'], Response::HTTP_BAD_REQUEST);
-        }
-
-        if (!preg_match('/^\d{4}$/', $yearRaw)) {
-            return $this->json(['error' => 'year must be a 4-digit integer.'], Response::HTTP_BAD_REQUEST);
-        }
-
-        $accommodation = $this->accommodationRepository->findOneBy(['calendarCode' => $hotelCode]);
+    public function prices(
+        #[MapQueryString(validationFailedStatusCode: Response::HTTP_BAD_REQUEST)]
+        ContingentPricesQuery $query,
+    ): JsonResponse {
+        $accommodation = $this->accommodationRepository->findOneBy(['calendarCode' => $query->hotelCode]);
 
         if (null === $accommodation) {
             return $this->json(['error' => 'hotel not found for hotelCode.'], Response::HTTP_BAD_REQUEST);
         }
 
-        $year = (int) $yearRaw;
-        $yearStart = new \DateTimeImmutable("{$year}-01-01");
-        $yearEnd = new \DateTimeImmutable("{$year}-12-31");
+        $yearStart = new \DateTimeImmutable("{$query->year}-01-01");
+        $yearEnd = new \DateTimeImmutable("{$query->year}-12-31");
 
-        $prices = $this->priceRepository->findByHotelCodeAndDateRange($hotelCode, $yearStart, $yearEnd);
+        $prices = $this->priceRepository->findByHotelCodeAndDateRange($query->hotelCode, $yearStart, $yearEnd);
 
         $currency = $accommodation->getCurrency();
 
@@ -66,41 +58,31 @@ class ContingentController extends AbstractController
     }
 
     #[Route(path: '/contingents/calendar', name: 'api_contingents_calendar', methods: ['GET'])]
-    public function calendar(Request $request): JsonResponse
-    {
-        $hotelCode = $request->query->get('hotelCode');
-        $dateFromRaw = $request->query->get('dateFrom');
-        $dateToRaw = $request->query->get('dateTo');
+    public function calendar(
+        #[MapQueryString(validationFailedStatusCode: Response::HTTP_BAD_REQUEST)]
+        ContingentCalendarQuery $query,
+    ): JsonResponse {
+        $dateFrom = $query->dateFromDate();
+        $dateTo = $query->dateToDate();
 
-        if (!$hotelCode || !$dateFromRaw || !$dateToRaw) {
-            return $this->json(['error' => 'hotelCode, dateFrom and dateTo are required.'], Response::HTTP_BAD_REQUEST);
-        }
-
-        $dateFrom = \DateTimeImmutable::createFromFormat('Y-m-d', $dateFromRaw)?->setTime(0, 0);
-        $dateTo = \DateTimeImmutable::createFromFormat('Y-m-d', $dateToRaw)?->setTime(0, 0);
-
-        if (!$dateFrom || !$dateTo) {
-            return $this->json(['error' => 'dateFrom and dateTo must be in Y-m-d format.'], Response::HTTP_BAD_REQUEST);
-        }
-
-        $accommodation = $this->accommodationRepository->findOneBy(['calendarCode' => $hotelCode]);
+        $accommodation = $this->accommodationRepository->findOneBy(['calendarCode' => $query->hotelCode]);
 
         if (null === $accommodation) {
             return $this->json(['error' => 'hotel not found for hotelCode.'], Response::HTTP_BAD_REQUEST);
         }
 
         try {
-            $cacheKey = sprintf('contingents_calendar_%s_%s_%s', $hotelCode, $dateFromRaw, $dateToRaw);
-            $calendar = $this->cache->get($cacheKey, function (ItemInterface $item) use ($hotelCode, $dateFromRaw, $dateToRaw) {
+            $cacheKey = sprintf('contingents_calendar_%s_%s_%s', $query->hotelCode, $query->dateFrom, $query->dateTo);
+            $calendar = $this->cache->get($cacheKey, function (ItemInterface $item) use ($query) {
                 $item->expiresAfter(3600);
 
-                return $this->contingentsClient->getContingentCalendar($hotelCode, $dateFromRaw, $dateToRaw);
+                return $this->contingentsClient->getContingentCalendar($query->hotelCode, $query->dateFrom, $query->dateTo);
             });
         } catch (BpnConnectException|InvalidArgumentException $e) {
             return $this->json(['error' => 'Failed to fetch contingent data.'], Response::HTTP_BAD_GATEWAY);
         }
 
-        $prices = $this->priceRepository->findByHotelCodeAndDateRange($hotelCode, $dateFrom, $dateTo);
+        $prices = $this->priceRepository->findByHotelCodeAndDateRange($query->hotelCode, $dateFrom, $dateTo);
 
         $currency = $accommodation->getCurrency();
 
@@ -114,6 +96,7 @@ class ContingentController extends AbstractController
 
     /**
      * @param AccommodationPrice[] $prices
+     *
      * @return array{date: string, status: string, type: string|null, pricePerNight: float|null, defaultPricePerNight: float|null, priceAdditionalPerson: float|null, defaultPriceAdditionalPerson: float|null, includedPax: int|null, minNights: int|null}
      */
     private function enrichEntry(string $date, string $status, array $prices, string $currency): array
@@ -123,14 +106,14 @@ class ContingentController extends AbstractController
         // dateFrom and dateTo are both inclusive (last night, not checkout day)
         $candidates = array_filter(
             $prices,
-            fn($p) => $p->getDateFrom() <= $day && $p->getDateTo() >= $day,
+            fn ($p) => $p->getDateFrom() <= $day && $p->getDateTo() >= $day,
         );
 
         $winner = $this->priceTimelineBuilder->resolveWinner($candidates);
 
         $defaultPrice = null;
-        if ($winner?->getType() === PriceType::DISCOUNT) {
-            $defaults = array_filter($candidates, fn($p) => $p->getType() === null);
+        if (PriceType::DISCOUNT === $winner?->getType()) {
+            $defaults = array_filter($candidates, fn ($p) => null === $p->getType());
             $defaultPrice = $this->priceTimelineBuilder->resolveWinner($defaults);
         }
 
@@ -138,14 +121,13 @@ class ContingentController extends AbstractController
             'date' => $date,
             'status' => $status,
             'type' => $winner?->getType()?->value,
-            'pricePerNight' => $winner !== null ? round($winner->getPricePerNight() / 100, 2) : null,
-            'defaultPricePerNight' => $defaultPrice !== null ? round($defaultPrice->getPricePerNight() / 100, 2) : null,
-            'priceAdditionalPerson' => $winner !== null ? round($winner->getPriceAdditionalPerson() / 100, 2) : null,
-            'defaultPriceAdditionalPerson' => $defaultPrice !== null ? round($defaultPrice->getPriceAdditionalPerson() / 100, 2) : null,
+            'pricePerNight' => null !== $winner ? round($winner->getPricePerNight() / 100, 2) : null,
+            'defaultPricePerNight' => null !== $defaultPrice ? round($defaultPrice->getPricePerNight() / 100, 2) : null,
+            'priceAdditionalPerson' => null !== $winner ? round($winner->getPriceAdditionalPerson() / 100, 2) : null,
+            'defaultPriceAdditionalPerson' => null !== $defaultPrice ? round($defaultPrice->getPriceAdditionalPerson() / 100, 2) : null,
             'currency' => $currency,
             'includedPax' => $winner?->getIncludedPax(),
             'minNights' => $winner?->getMinNights(),
         ];
     }
-
 }

src/Controller/Groups/OfferController.php

@@ -34,6 +34,10 @@ class OfferController extends AbstractController
         }
 
         if ($request->isMethod(Request::METHOD_POST) && $booking->isInquiry()) {
+            if (!$this->isCsrfTokenValid('accept_accommodation_offer_'.$booking->getUuid(), $request->request->getString('_token'))) {
+                throw $this->createAccessDeniedException('Invalid CSRF token.');
+            }
+
             $this->bookingService->acceptBooking($booking);
 
             return new RedirectResponse($request->getUri());

src/Controller/Groups/Step3Controller.php

@@ -150,7 +150,7 @@ class Step3Controller extends AbstractAccommodationController
 
         $booking = $this->bookingService->persist($dto, $accommodation, $prices, $services);
         $this->bookingService->issueAccessLinkForDirectBooking($booking);
-        $this->bookingService->sendNotificationEmail($booking, $dto->priceBreakdown);
+        $this->bookingService->sendNotificationEmail($booking);
         $this->bookingService->sendCustomerConfirmationEmail($booking);
         $this->addFlash('groups_booking_result', $booking->isInquiry() ? 'inquiry' : 'booking');
         $this->sessionManager->clear($request);

src/Entity/Groups/AccommodationBooking.php

@@ -10,9 +10,9 @@ use App\Entity\TimestampableEntity;
 use App\Entity\TimestampableEntityInterface;
 use App\Enum\Groups\AdditionalServiceType;
 use App\Repository\Groups\AccommodationBookingRepository;
-use Symfony\Component\Uid\Uuid;
 use Doctrine\DBAL\Types\Types;
 use Doctrine\ORM\Mapping as ORM;
+use Symfony\Component\Uid\Uuid;
 use Symfony\Component\Validator\Constraints as Assert;
 
 #[ORM\Entity(repositoryClass: AccommodationBookingRepository::class)]
@@ -57,9 +57,23 @@ class AccommodationBooking implements BlameableEntityInterface, TimestampableEnt
     #[ORM\Column(nullable: true)]
     private ?int $boardServiceOriginalId = null;
 
+    /** @var list<array{label: string, price: int, type: string, originalServiceId: int|null}> */
     #[ORM\Column(type: Types::JSON)]
     private array $additionalServices = [];
 
+    /** @var array<string, mixed>|null */
+    #[ORM\Column(type: Types::JSON, nullable: true)]
+    private ?array $priceBreakdown = null;
+
+    #[ORM\Column(nullable: true)]
+    private ?int $totalPrice = null;
+
+    #[ORM\Column(length: 3, nullable: true)]
+    private ?string $pricingCurrency = null;
+
+    #[ORM\Column(type: Types::SMALLINT, nullable: true)]
+    private ?int $pricingVersion = null;
+
     #[ORM\Column]
     private bool $isInquiry = false;
 
@@ -235,11 +249,13 @@ class AccommodationBooking implements BlameableEntityInterface, TimestampableEnt
         return $this;
     }
 
+    /** @return list<array{label: string, price: int, type: string, originalServiceId: int|null}> */
     public function getAdditionalServices(): array
     {
         return $this->additionalServices;
     }
 
+    /** @param list<array{label: string, price: int, type: string, originalServiceId: int|null}> $additionalServices */
     public function setAdditionalServices(array $additionalServices): self
     {
         $this->additionalServices = $additionalServices;
@@ -259,6 +275,48 @@ class AccommodationBooking implements BlameableEntityInterface, TimestampableEnt
         return $this;
     }
 
+    /** @return array<string, mixed>|null */
+    public function getPriceBreakdown(): ?array
+    {
+        return $this->priceBreakdown;
+    }
+
+    /** @param array<string, mixed> $priceBreakdown */
+    public function setPriceSnapshot(array $priceBreakdown, int $totalPrice, string $currency, int $version): self
+    {
+        $this->priceBreakdown = $priceBreakdown;
+        $this->totalPrice = $totalPrice;
+        $this->pricingCurrency = $currency;
+        $this->pricingVersion = $version;
+
+        return $this;
+    }
+
+    public function clearPriceSnapshot(): self
+    {
+        $this->priceBreakdown = null;
+        $this->totalPrice = null;
+        $this->pricingCurrency = null;
+        $this->pricingVersion = null;
+
+        return $this;
+    }
+
+    public function getTotalPrice(): ?int
+    {
+        return $this->totalPrice;
+    }
+
+    public function getPricingCurrency(): ?string
+    {
+        return $this->pricingCurrency;
+    }
+
+    public function getPricingVersion(): ?int
+    {
+        return $this->pricingVersion;
+    }
+
     public function isInquiry(): bool
     {
         return $this->isInquiry;

src/Model/AccommodationBookingApiResponse.php

@@ -61,6 +61,15 @@ final readonly class AccommodationBookingApiResponse
     #[Groups(['api:single'])]
     public ?int $discount;
 
+    #[Groups(['api:single'])]
+    public ?int $totalPrice;
+
+    #[Groups(['api:single'])]
+    public ?string $pricingCurrency;
+
+    #[Groups(['api:single'])]
+    public ?int $pricingVersion;
+
     /**
      * @var array<string, mixed>|null
      */
@@ -90,6 +99,9 @@ final readonly class AccommodationBookingApiResponse
             $booking->getAdditionalServices(),
         );
         $this->discount = $booking->getDiscount();
+        $this->totalPrice = $booking->getTotalPrice();
+        $this->pricingCurrency = $booking->getPricingCurrency();
+        $this->pricingVersion = $booking->getPricingVersion();
         $this->priceBreakdown = $priceBreakdown;
     }
 }

src/Model/ContingentCalendarQuery.php

@@ -0,0 +1,78 @@
+<?php
+
+declare(strict_types=1);
+
+namespace App\Model;
+
+use Symfony\Component\Validator\Constraints as Assert;
+use Symfony\Component\Validator\Context\ExecutionContextInterface;
+
+final readonly class ContingentCalendarQuery
+{
+    private const int MAX_RANGE_DAYS = 366;
+
+    public function __construct(
+        #[Assert\NotBlank]
+        #[Assert\Length(max: 16)]
+        #[Assert\Regex(pattern: '/^[A-Za-z0-9_-]+$/')]
+        public string $hotelCode,
+
+        #[Assert\NotBlank]
+        #[Assert\Date]
+        public string $dateFrom,
+
+        #[Assert\NotBlank]
+        #[Assert\Date]
+        public string $dateTo,
+    ) {
+    }
+
+    #[Assert\Callback]
+    public function validateRange(ExecutionContextInterface $context): void
+    {
+        $dateFrom = self::parseDate($this->dateFrom);
+        $dateTo = self::parseDate($this->dateTo);
+
+        if (null === $dateFrom || null === $dateTo) {
+            return;
+        }
+
+        if ($dateTo < $dateFrom) {
+            $context->buildViolation('dateTo must not be before dateFrom.')
+                ->atPath('dateTo')
+                ->addViolation();
+
+            return;
+        }
+
+        if ($dateFrom->diff($dateTo)->days > self::MAX_RANGE_DAYS) {
+            $context->buildViolation(sprintf('The date range must not exceed %d days.', self::MAX_RANGE_DAYS))
+                ->atPath('dateTo')
+                ->addViolation();
+        }
+    }
+
+    public function dateFromDate(): \DateTimeImmutable
+    {
+        return self::parseDate($this->dateFrom)
+            ?? throw new \LogicException('ContingentCalendarQuery must be validated before use.');
+    }
+
+    public function dateToDate(): \DateTimeImmutable
+    {
+        return self::parseDate($this->dateTo)
+            ?? throw new \LogicException('ContingentCalendarQuery must be validated before use.');
+    }
+
+    private static function parseDate(string $value): ?\DateTimeImmutable
+    {
+        $date = \DateTimeImmutable::createFromFormat('!Y-m-d', $value);
+        $errors = \DateTimeImmutable::getLastErrors();
+
+        if (false === $date || (false !== $errors && ($errors['warning_count'] > 0 || $errors['error_count'] > 0))) {
+            return null;
+        }
+
+        return $date->format('Y-m-d') === $value ? $date : null;
+    }
+}

src/Model/ContingentPricesQuery.php

@@ -0,0 +1,21 @@
+<?php
+
+declare(strict_types=1);
+
+namespace App\Model;
+
+use Symfony\Component\Validator\Constraints as Assert;
+
+final readonly class ContingentPricesQuery
+{
+    public function __construct(
+        #[Assert\NotBlank]
+        #[Assert\Length(max: 16)]
+        #[Assert\Regex(pattern: '/^[A-Za-z0-9_-]+$/')]
+        public string $hotelCode,
+
+        #[Assert\Range(min: 1000, max: 9999)]
+        public int $year,
+    ) {
+    }
+}

src/Service/AccommodationBookingBreakdownCalculator.php

@@ -16,12 +16,27 @@ class AccommodationBookingBreakdownCalculator
     }
 
     /**
-     * Recomputes the price breakdown from the booking's frozen snapshot data and current
-     * accommodation prices for the same date range.
+     * Returns the authoritative stored snapshot, falling back to current prices only for
+     * bookings created before snapshot persistence was introduced.
      *
      * @return array<string, mixed>|null null when no accommodation or dates are set
      */
     public function compute(AccommodationBooking $booking): ?array
+    {
+        if (null !== $booking->getPriceBreakdown()) {
+            return $booking->getPriceBreakdown();
+        }
+
+        return $this->computeCurrent($booking);
+    }
+
+    /**
+     * Calculates against the current catalog. Use only while creating or explicitly editing
+     * a booking, or as a compatibility fallback for records created before price snapshots.
+     *
+     * @return array<string, mixed>|null
+     */
+    public function computeCurrent(AccommodationBooking $booking): ?array
     {
         $accommodation = $booking->getAccommodation();
         $dateFrom = $booking->getDateFrom();

src/Service/AccommodationBookingService.php

@@ -22,6 +22,8 @@ use Psr\Log\LoggerInterface;
 
 class AccommodationBookingService
 {
+    private const int PRICING_VERSION = 1;
+
     public function __construct(
         private readonly AccommodationRepository $accommodationRepo,
         private readonly AccommodationPriceRepository $priceRepo,
@@ -187,7 +189,7 @@ class AccommodationBookingService
 
         $candidates = array_values(array_filter(
             $prices,
-            fn(AccommodationPrice $p) => $p->getDateFrom() <= $firstDay && $p->getDateTo() >= $firstDay,
+            fn (AccommodationPrice $p) => $p->getDateFrom() <= $firstDay && $p->getDateTo() >= $firstDay,
         ));
 
         $winner = $this->priceTimelineBuilder->resolveWinner($candidates);
@@ -224,14 +226,14 @@ class AccommodationBookingService
      * Board and additional services are stored as frozen snapshots — independent of
      * the catalog entities so that future catalog edits do not affect existing bookings.
      *
-     * @param AccommodationPrice[]                                                        $prices
+     * @param AccommodationPrice[]                                                   $prices
      * @param array{additionalServices: AdditionalService[], boardServices: mixed[]} $services
      */
     public function persist(
         AccommodationBookingDto $dto,
-        Accommodation           $accommodation,
-        array                   $prices,
-        array                   $services,
+        Accommodation $accommodation,
+        array $prices,
+        array $services,
     ): AccommodationBooking {
         $booking = new AccommodationBooking();
         $booking->setAccommodation($accommodation);
@@ -281,20 +283,43 @@ class AccommodationBookingService
         $booking->setCity($dto->city);
         $booking->setRemarks($dto->remarks);
 
+        $this->refreshPriceSnapshot($booking);
+
         $this->entityManager->persist($booking);
         $this->entityManager->flush();
 
         return $booking;
     }
 
-    /** @param array<string, mixed> $priceBreakdown */
-    public function sendNotificationEmail(AccommodationBooking $booking, array $priceBreakdown = []): void
+    public function refreshPriceSnapshot(AccommodationBooking $booking): void
+    {
+        $breakdown = $this->breakdownCalculator->computeCurrent($booking);
+        if (null === $breakdown) {
+            $booking->clearPriceSnapshot();
+
+            return;
+        }
+
+        $total = (int) ($breakdown['total'] ?? 0);
+        if (null !== $booking->getDiscount()) {
+            $total -= (int) round($total * $booking->getDiscount() / 100);
+        }
+
+        $booking->setPriceSnapshot(
+            $breakdown,
+            $total,
+            (string) ($breakdown['currency'] ?? $booking->getAccommodation()?->getCurrency() ?? 'EUR'),
+            self::PRICING_VERSION,
+        );
+    }
+
+    public function sendNotificationEmail(AccommodationBooking $booking): void
     {
         try {
             $this->mailer->createAndSendEmail(
                 [
                     'booking' => $booking,
-                    'priceBreakdown' => $priceBreakdown,
+                    'priceBreakdown' => $this->breakdownCalculator->compute($booking) ?? [],
                     'accessLink' => $this->accessLinkOrNull($booking),
                 ],
                 [
@@ -362,15 +387,14 @@ class AccommodationBookingService
     }
 
     /**
-     * Explicit admin action: (re)issues the access link — invalidating any previously issued
-     * link for this booking — and sends the customer confirmation email, now including it.
+     * Explicit admin action: (re)issues the access link, invalidating any previously issued
+     * link for this booking. No email side effect — sending is a separate, explicit admin
+     * action via sendCustomerConfirmationEmail().
      */
-    public function regenerateAccessLinkAndNotifyCustomer(AccommodationBooking $booking): void
+    public function regenerateAccessLink(AccommodationBooking $booking): void
     {
         $booking->setAccessLinkIssuedAt(new \DateTimeImmutable());
         $this->entityManager->flush();
-
-        $this->sendCustomerConfirmationEmail($booking);
     }
 
     /**
@@ -421,7 +445,7 @@ class AccommodationBookingService
         $prices = $this->priceRepo->findByHotelCodeAndDateRange($hotelCode, $dateFrom, $dateTo);
         $candidates = array_values(array_filter(
             $prices,
-            fn(AccommodationPrice $price): bool => $price->getDateFrom() <= $dateFrom && $price->getDateTo() >= $dateFrom,
+            fn (AccommodationPrice $price): bool => $price->getDateFrom() <= $dateFrom && $price->getDateTo() >= $dateFrom,
         ));
 
         return $this->priceTimelineBuilder->resolveWinner($candidates)?->getIncludedPax() ?? 1;

templates/admin/accommodation_booking/modal_generate_access_link.html.twig

@@ -0,0 +1,8 @@
+{% extends 'htmx_confirmation_modal.html.twig' %}
+
+{% block content %}
+    <div>
+        Möchtest du für <em>{{ booking.groupName }}</em> einen neuen Zugangslink generieren?
+        Ein zuvor generierter Link wird dadurch ungültig.
+    </div>
+{% endblock %}

templates/admin/accommodation_booking/modal_send_access_link.html.twig

@@ -0,0 +1,8 @@
+{% extends 'htmx_confirmation_modal.html.twig' %}
+
+{% block content %}
+    <div>
+        Möchtest du den aktuellen Zugangslink für <em>{{ booking.groupName }}</em> an
+        <em>{{ booking.email }}</em> senden?
+    </div>
+{% endblock %}

templates/admin/accommodation_booking/show.html.twig

@@ -77,7 +77,7 @@
         {% if priceBreakdown is not null %}
             <div>
                 <h2 class="text-lg font-bold mb-4">Preise</h2>
-                {% set currency = booking.accommodation.currency %}
+                {% set currency = booking.pricingCurrency ?? priceBreakdown.currency %}
                 <table class="w-full text-sm">
                     {% if priceBreakdown.basePrice > 0 %}
                         <tr>
@@ -138,7 +138,7 @@
                     </tr>
                     {% if booking.discount is not null %}
                         {% set discountAmount = (priceBreakdown.total * booking.discount / 100) | round | number_format(0, '.', '') %}
-                        {% set discountedTotal = priceBreakdown.total - discountAmount %}
+                        {% set discountedTotal = booking.totalPrice ?? (priceBreakdown.total - discountAmount) %}
                         <tr class="text-green-700">
                             <td class="pt-1">Rabatt {{ booking.discount }}&nbsp;%</td>
                             <td class="pt-1 text-right whitespace-nowrap">– {{ (discountAmount / 100) | format_currency(currency) }}</td>
@@ -170,9 +170,14 @@
     <div class="mt-6 border-t border-gray-200 pt-6">
         <h2 class="text-lg font-bold mb-2">Zugangslink</h2>
         {% if accessLink %}
-            <p class="text-sm break-all">
-                <a href="{{ accessLink }}" target="_blank">{{ accessLink }}</a>
-            </p>
+            <button type="button"
+                    class="button button--secondary button--small"
+                    data-controller="clipboard"
+                    data-clipboard-content-value="{{ accessLink }}"
+                    data-clipboard-label-value="Kopiert!"
+                    data-action="clipboard#copy">
+                {{ icon('copy', 'w-4 h-4') }} Link kopieren
+            </button>
             <p class="text-xs text-gray-500 mt-1">
                 Gültig bis {{ accessLinkExpiresAt | date('d.m.Y') }}
                 {% if accessLinkExpiresAt < date() %}
@@ -182,11 +187,24 @@
         {% else %}
             <p class="text-sm text-gray-500">Es wurde noch kein Zugangslink generiert.</p>
         {% endif %}
-        <form method="post" action="{{ path('app_admin_accommodationbooking_generate_access_link', { 'id': booking.id }) }}" class="mt-2">
-            <button type="submit" class="button button--secondary button--small">
+        <div class="mt-2 flex items-center gap-2">
+            <button type="button"
+                    class="button button--secondary button--small"
+                    hx-get="{{ path('app_admin_accommodationbooking_generate_access_link', { id: booking.id }) }}"
+                    hx-target="body"
+                    hx-swap="beforeend">
                 {{ accessLink ? 'Link erneut generieren' : 'Link generieren' }}
             </button>
-        </form>
+            {% if accessLink %}
+                <button type="button"
+                        class="button button--secondary button--small"
+                        hx-get="{{ path('app_admin_accommodationbooking_send_access_link', { id: booking.id }) }}"
+                        hx-target="body"
+                        hx-swap="beforeend">
+                    Link senden
+                </button>
+            {% endif %}
+        </div>
     </div>
 
     <div class="flex justify-between pt-8">

templates/email/accommodation_booking.html.twig

@@ -75,7 +75,7 @@
     {% endif %}
 
     {% if priceBreakdown is not empty %}
-        {% set currency = priceBreakdown.currency %}
+        {% set currency = booking.pricingCurrency ?? priceBreakdown.currency %}
         <h2>Preise</h2>
         <table>
             {% if priceBreakdown.basePrice > 0 %}
@@ -124,7 +124,7 @@
             {% endif %}
             <tr>
                 <td><strong>Gesamtpreis</strong> <em>(zzgl. ortsabhängiger Gebühren)</em></td>
-                <td><strong>{{ (priceBreakdown.total / 100)|format_currency(currency) }}</strong></td>
+                <td><strong>{{ ((booking.totalPrice ?? priceBreakdown.total) / 100)|format_currency(currency) }}</strong></td>
             </tr>
         </table>
     {% endif %}

templates/email/accommodation_booking_customer.html.twig

@@ -52,12 +52,12 @@
     </table>
 
     {% if priceBreakdown is not empty %}
-        {% set currency = priceBreakdown.currency %}
+        {% set currency = booking.pricingCurrency ?? priceBreakdown.currency %}
         <h2>Preise</h2>
         <table>
             <tr>
                 <td><strong>Gesamtpreis</strong> <em>(zzgl. ortsabhängiger Gebühren)</em></td>
-                <td><strong>{{ (priceBreakdown.total / 100)|format_currency(currency) }}</strong></td>
+                <td><strong>{{ ((booking.totalPrice ?? priceBreakdown.total) / 100)|format_currency(currency) }}</strong></td>
             </tr>
         </table>
     {% endif %}

templates/groups/booking/offer.html.twig

@@ -38,7 +38,7 @@
         {% endif %}
 
         {% if priceBreakdown is not null %}
-            {% set currency = booking.accommodation.currency %}
+            {% set currency = booking.pricingCurrency ?? priceBreakdown.currency %}
             <div class="mb-8">
                 <h2 class="text-lg font-bold mb-2">Preise</h2>
                 <table class="w-full text-sm">
@@ -51,7 +51,7 @@
                     </tr>
                     {% if booking.discount is not null %}
                         {% set discountAmount = (priceBreakdown.total * booking.discount / 100) | round | number_format(0, '.', '') %}
-                        {% set discountedTotal = priceBreakdown.total - discountAmount %}
+                        {% set discountedTotal = booking.totalPrice ?? (priceBreakdown.total - discountAmount) %}
                         <tr class="text-green-700">
                             <td class="pt-1">Rabatt {{ booking.discount }}&nbsp;%</td>
                             <td class="pt-1 text-right whitespace-nowrap">– {{ (discountAmount / 100) | format_currency(currency) }}</td>
@@ -67,6 +67,9 @@
 
         {% if booking.inquiry %}
             <form method="post" action="{{ app.request.requestUri }}">
+                <input type="hidden"
+                       name="_token"
+                       value="{{ csrf_token('accept_accommodation_offer_' ~ booking.uuid) }}">
                 <button type="submit" class="button button--primary">
                     Angebot verbindlich buchen
                 </button>

templates/htmx_confirmation_modal.html.twig

@@ -14,7 +14,12 @@
         </div>
         {% block content %}{% endblock %}
         <div class="mt-6 flex items-center justify-between">
-            <button type="button" class="button button--warning" {% block button_attribute %}hx-post="{{ app.request.uri }}"{% endblock %}>
+            <button type="button"
+                    class="button button--warning"
+                    {% block button_attribute %}
+                        hx-post="{{ app.request.uri }}"
+                        hx-vals="{{ { _token: csrf_token(csrf_token_id) }|json_encode|e('html_attr') }}"
+                    {% endblock %}>
                 {% block button_confirm %}Ja{% endblock %}
             </button>
             <button type="button" class="button button--neutral" {{ stimulus_action('modal', 'close') }}>

tests/Controller/Accommodation/Step2ControllerTest.php

@@ -79,7 +79,7 @@ class Step2ControllerTest extends TestCase
         $bookingService
             ->expects(self::once())
             ->method('computeInquiryStatus')
-            ->with(self::callback(static fn(AccommodationBookingDto $submittedDto): bool => 3 === $submittedDto->paxCount), [])
+            ->with(self::callback(static fn (AccommodationBookingDto $submittedDto): bool => 3 === $submittedDto->paxCount), [])
             ->willReturn(new InquiryStatus(true, ['Mindestaufenthalt: 5 Nächte (gebucht: 4)']));
 
         $controller = new TestableAccommodationStep2Controller(

tests/Controller/Api/AccommodationBookingControllerTest.php

@@ -51,7 +51,7 @@ class AccommodationBookingControllerTest extends TestCase
         $booking->setBoardServiceLabel('Halbpension');
         $booking->setBoardServicePrice(1500);
         $booking->addAdditionalServiceSnapshot('Bettwäsche', 500, 'flat', 3);
-        $booking->setDiscount(1000);
+        $booking->setDiscount(10);
         $booking->setIsInquiry(false);
         $booking->setAcceptedAt(new \DateTimeImmutable('2026-07-15T10:00:00+00:00'));
 
@@ -63,6 +63,7 @@ class AccommodationBookingControllerTest extends TestCase
             ->willReturn($booking);
 
         $breakdown = ['total' => 12345, 'currency' => 'EUR'];
+        $booking->setPriceSnapshot($breakdown, 11111, 'EUR', 1);
         $breakdownCalculator = $this->createMock(AccommodationBookingBreakdownCalculator::class);
         $breakdownCalculator
             ->expects(self::once())
@@ -116,7 +117,10 @@ class AccommodationBookingControllerTest extends TestCase
                     'type' => 'flat',
                 ],
             ],
-            'discount' => 1000,
+            'discount' => 10,
+            'totalPrice' => 11111,
+            'pricingCurrency' => 'EUR',
+            'pricingVersion' => 1,
             'priceBreakdown' => $breakdown,
         ], $payload);
 

tests/Controller/Groups/OfferControllerTest.php

@@ -57,18 +57,54 @@ class OfferControllerTest extends TestCase
         $bookingService = $this->createMock(AccommodationBookingService::class);
         $bookingService->expects(self::once())->method('acceptBooking')->with($booking);
 
-        $controller = new OfferController(
+        $controller = new TestableOfferController(
             $bookingRepository,
             $linkSigner,
             $this->createMock(AccommodationBookingBreakdownCalculator::class),
             $bookingService,
         );
 
-        $request = Request::create('/groups/booking/offer/'.$booking->getUuid().'?t=123&_hash=abc', 'POST');
+        $request = Request::create(
+            '/groups/booking/offer/'.$booking->getUuid().'?t=123&_hash=abc',
+            'POST',
+            ['_token' => 'valid-token'],
+        );
         $response = $controller->index($booking->getUuid(), $request);
 
         self::assertSame(Response::HTTP_FOUND, $response->getStatusCode());
         self::assertSame($request->getUri(), $response->headers->get('Location'));
+        self::assertSame('accept_accommodation_offer_'.$booking->getUuid(), $controller->csrfTokenId);
+        self::assertSame('valid-token', $controller->csrfToken);
+    }
+
+    public function testPostRejectsInvalidCsrfToken(): void
+    {
+        $booking = new AccommodationBooking();
+        $booking->setIsInquiry(true);
+
+        $bookingRepository = $this->createMock(AccommodationBookingRepository::class);
+        $bookingRepository->method('findOneBy')->willReturn($booking);
+
+        $linkSigner = $this->createMock(AccommodationBookingLinkSigner::class);
+        $linkSigner->method('isValidLinkRequest')->willReturn(true);
+
+        $bookingService = $this->createMock(AccommodationBookingService::class);
+        $bookingService->expects(self::never())->method('acceptBooking');
+
+        $controller = new TestableOfferController(
+            $bookingRepository,
+            $linkSigner,
+            $this->createMock(AccommodationBookingBreakdownCalculator::class),
+            $bookingService,
+        );
+        $controller->csrfValid = false;
+
+        $this->expectException(\Symfony\Component\Security\Core\Exception\AccessDeniedException::class);
+
+        $controller->index(
+            $booking->getUuid(),
+            Request::create('/groups/booking/offer/'.$booking->getUuid(), 'POST', ['_token' => 'invalid']),
+        );
     }
 
     public function testGetRendersConfirmationWithoutAcceptFormForBooking(): void
@@ -146,11 +182,22 @@ class OfferControllerTest extends TestCase
 
 final class TestableOfferController extends OfferController
 {
+    public bool $csrfValid = true;
+    public ?string $csrfTokenId = null;
+    public ?string $csrfToken = null;
     public ?string $renderedView = null;
 
     /** @var array<string, mixed> */
     public array $renderedParameters = [];
 
+    protected function isCsrfTokenValid(string $id, ?string $token): bool
+    {
+        $this->csrfTokenId = $id;
+        $this->csrfToken = $token;
+
+        return $this->csrfValid;
+    }
+
     protected function render(string $view, array $parameters = [], ?Response $response = null): Response
     {
         $this->renderedView = $view;

tests/Model/ContingentQueryTest.php

@@ -0,0 +1,50 @@
+<?php
+
+declare(strict_types=1);
+
+namespace App\Tests\Model;
+
+use App\Model\ContingentCalendarQuery;
+use App\Model\ContingentPricesQuery;
+use PHPUnit\Framework\TestCase;
+use Symfony\Component\Validator\Validation;
+
+class ContingentQueryTest extends TestCase
+{
+    public function testCalendarQueryAcceptsValidRange(): void
+    {
+        $query = new ContingentCalendarQuery('HOTEL_1', '2026-01-01', '2026-12-31');
+
+        self::assertCount(0, $this->validator()->validate($query));
+        self::assertSame('2026-01-01', $query->dateFromDate()->format('Y-m-d'));
+    }
+
+    /**
+     * @dataProvider invalidCalendarQueries
+     */
+    public function testCalendarQueryRejectsInvalidInput(ContingentCalendarQuery $query): void
+    {
+        self::assertGreaterThan(0, $this->validator()->validate($query)->count());
+    }
+
+    public function invalidCalendarQueries(): iterable
+    {
+        yield 'normalized invalid date' => [new ContingentCalendarQuery('HOTEL', '2026-02-31', '2026-03-01')];
+        yield 'reversed range' => [new ContingentCalendarQuery('HOTEL', '2026-03-02', '2026-03-01')];
+        yield 'range over 366 days' => [new ContingentCalendarQuery('HOTEL', '2026-01-01', '2027-01-03')];
+        yield 'invalid hotel code' => [new ContingentCalendarQuery('HOTEL CODE', '2026-01-01', '2026-01-02')];
+    }
+
+    public function testPricesQueryRequiresFourDigitYear(): void
+    {
+        self::assertCount(0, $this->validator()->validate(new ContingentPricesQuery('HOTEL', 2026)));
+        self::assertGreaterThan(0, $this->validator()->validate(new ContingentPricesQuery('HOTEL', 26))->count());
+    }
+
+    private function validator(): \Symfony\Component\Validator\Validator\ValidatorInterface
+    {
+        return Validation::createValidatorBuilder()
+            ->enableAttributeMapping()
+            ->getValidator();
+    }
+}

tests/Service/AccommodationBookingBreakdownCalculatorTest.php

@@ -0,0 +1,39 @@
+<?php
+
+declare(strict_types=1);
+
+namespace App\Tests\Service;
+
+use App\Entity\Groups\AccommodationBooking;
+use App\Repository\Groups\AccommodationPriceRepository;
+use App\Service\AccommodationBookingBreakdownCalculator;
+use App\Service\GroupsPriceCalculator;
+use App\Service\PriceTimelineBuilder;
+use PHPUnit\Framework\TestCase;
+
+class AccommodationBookingBreakdownCalculatorTest extends TestCase
+{
+    public function testComputeReturnsStoredSnapshotWithoutLoadingCurrentPrices(): void
+    {
+        $snapshot = ['total' => 12345, 'currency' => 'EUR'];
+        $booking = new AccommodationBooking();
+        $booking->setPriceSnapshot($snapshot, 12345, 'EUR', 1);
+
+        $priceRepository = $this->createMock(AccommodationPriceRepository::class);
+        $priceRepository->expects(self::never())->method('findByHotelCodeAndDateRange');
+
+        $calculator = new AccommodationBookingBreakdownCalculator(
+            new GroupsPriceCalculator(new PriceTimelineBuilder(), [
+                'runningCostsEur' => 0,
+                'runningCostsChf' => 0,
+                'undersubscription30Eur' => 0,
+                'undersubscription30Chf' => 0,
+                'undersubscription40Eur' => 0,
+                'undersubscription40Chf' => 0,
+            ]),
+            $priceRepository,
+        );
+
+        self::assertSame($snapshot, $calculator->compute($booking));
+    }
+}

tests/Service/AccommodationBookingServiceTest.php

@@ -175,7 +175,7 @@ class AccommodationBookingServiceTest extends TestCase
         $service->sendCustomerConfirmationEmail($booking);
     }
 
-    public function testRegenerateAccessLinkAndNotifyCustomerAlwaysOverwritesAndSends(): void
+    public function testRegenerateAccessLinkOverwritesAccessLinkIssuedAt(): void
     {
         $booking = new AccommodationBooking();
         $booking->setEmail('[email protected]');
@@ -190,7 +190,7 @@ class AccommodationBookingServiceTest extends TestCase
         $breakdownCalculator->method('compute')->willReturn(null);
 
         $mailer = $this->createMock(Mailer::class);
-        $mailer->expects(self::once())->method('createAndSendEmail');
+        $mailer->expects(self::never())->method('createAndSendEmail');
 
         $service = $this->createServiceWithAccommodation(
             entityManager: $entityManager,
@@ -198,7 +198,7 @@ class AccommodationBookingServiceTest extends TestCase
             breakdownCalculator: $breakdownCalculator,
         );
 
-        $service->regenerateAccessLinkAndNotifyCustomer($booking);
+        $service->regenerateAccessLink($booking);
 
         self::assertNotSame($previousIssuedAt, $booking->getAccessLinkIssuedAt());
     }
@@ -234,6 +234,27 @@ class AccommodationBookingServiceTest extends TestCase
         self::assertNull($booking->getAcceptedAt());
     }
 
+    public function testRefreshPriceSnapshotStoresDiscountedFinalTotal(): void
+    {
+        $booking = new AccommodationBooking();
+        $booking->setDiscount(10);
+
+        $breakdownCalculator = $this->createMock(AccommodationBookingBreakdownCalculator::class);
+        $breakdownCalculator
+            ->expects(self::once())
+            ->method('computeCurrent')
+            ->with($booking)
+            ->willReturn(['total' => 12345, 'currency' => 'CHF']);
+
+        $service = $this->createServiceWithAccommodation(breakdownCalculator: $breakdownCalculator);
+        $service->refreshPriceSnapshot($booking);
+
+        self::assertSame(['total' => 12345, 'currency' => 'CHF'], $booking->getPriceBreakdown());
+        self::assertSame(11110, $booking->getTotalPrice());
+        self::assertSame('CHF', $booking->getPricingCurrency());
+        self::assertSame(1, $booking->getPricingVersion());
+    }
+
     /**
      * @param AccommodationPrice[] $prices
      */