feat: fold purchase and promo voucher fields into one code field

src/Validator/Constraints/PromoVoucher.php

@@ -1,25 +0,0 @@
-<?php
-
-declare(strict_types=1);
-
-namespace App\Validator\Constraints;
-
-use Symfony\Component\Validator\Constraint;
-
-/**
- * Validates promotional voucher codes via BPN API.
- *
- * Checks code validity, travel applicability, and minimum price threshold.
- * Requires participant pricing calculation and travel context.
- * Applied at ParticipantEditDto level to access booking context.
- */
-#[\Attribute]
-class PromoVoucher extends Constraint
-{
-    public string $message = 'Aktionscode ungültig: {{ error }}';
-
-    public function getTargets(): array|string
-    {
-        return static::CLASS_CONSTRAINT;
-    }
-}

src/Validator/Constraints/PromoVoucherValidator.php

@@ -1,78 +0,0 @@
-<?php
-
-declare(strict_types=1);
-
-namespace App\Validator\Constraints;
-
-use App\Form\Model\ParticipantEditDto;
-use App\Service\BookingPriceCalculator;
-use App\Service\VoucherValidator;
-use Symfony\Component\Validator\Constraint;
-use Symfony\Component\Validator\ConstraintValidator;
-use Symfony\Component\Validator\Exception\UnexpectedTypeException;
-
-/**
- * Validates promotional voucher codes against the BPN API.
- *
- * Verifies that promo codes are valid for the current travel, checks minimum price
- * thresholds, and validates code availability. Uses the participant's calculated
- * total price (including room and all selected services) for threshold comparison.
- */
-class PromoVoucherValidator extends ConstraintValidator
-{
-    public function __construct(
-        private readonly VoucherValidator $voucherValidationService,
-        private readonly BookingPriceCalculator $priceCalculatorService,
-    ) {
-    }
-
-    public function validate(mixed $value, Constraint $constraint): void
-    {
-        if (!$constraint instanceof PromoVoucher) {
-            throw new UnexpectedTypeException($constraint, PromoVoucher::class);
-        }
-
-        if (!$value instanceof ParticipantEditDto) {
-            throw new UnexpectedTypeException($value, ParticipantEditDto::class);
-        }
-
-        $promoCode = $value->participant->promoVoucherCode;
-
-        // Skip validation if promo code is empty
-        if (null === $promoCode || '' === trim($promoCode)) {
-            return;
-        }
-
-        // Get travel ID from booking context
-        $travelId = $value->bookingContext->travel->id;
-
-        if (null === $travelId) {
-            $this->context->buildViolation('Aktionscode konnte nicht validiert werden: Reise-ID fehlt.')
-                ->atPath('participant.promoVoucherCode')
-                ->addViolation();
-
-            return;
-        }
-
-        // Calculate participant's current price including all services
-        $participantPrice = $this->priceCalculatorService->calculateIndividualParticipantPrice(
-            $value->bookingContext,
-            $value->participant->index ?? 0
-        );
-
-        // Validate promo voucher via API
-        $result = $this->voucherValidationService->validatePromoVoucher(
-            $promoCode,
-            $travelId,
-            $participantPrice
-        );
-
-        // Add violation if voucher is invalid
-        if (false === $result->isValid) {
-            $this->context->buildViolation($constraint->message)
-                ->setParameter('{{ error }}', $result->errorMessage ?? 'Unbekannter Fehler')
-                ->atPath('participant.promoVoucherCode')
-                ->addViolation();
-        }
-    }
-}

src/Validator/Constraints/PurchaseVoucher.php

@@ -1,24 +0,0 @@
-<?php
-
-declare(strict_types=1);
-
-namespace App\Validator\Constraints;
-
-use Symfony\Component\Validator\Constraint;
-
-/**
- * Validates purchase voucher codes via BPN API.
- *
- * Checks that the voucher exists and has remaining balance.
- * Applied at ParticipantEditDto level to access booking context.
- */
-#[\Attribute]
-class PurchaseVoucher extends Constraint
-{
-    public string $message = 'Gutschein ungültig: {{ error }}';
-
-    public function getTargets(): array|string
-    {
-        return static::CLASS_CONSTRAINT;
-    }
-}

src/Validator/Constraints/PurchaseVoucherValidator.php

@@ -1,54 +0,0 @@
-<?php
-
-declare(strict_types=1);
-
-namespace App\Validator\Constraints;
-
-use App\Form\Model\ParticipantEditDto;
-use App\Service\VoucherValidator;
-use Symfony\Component\Validator\Constraint;
-use Symfony\Component\Validator\ConstraintValidator;
-use Symfony\Component\Validator\Exception\UnexpectedTypeException;
-
-/**
- * Validates purchase voucher codes against the BPN API.
- *
- * Verifies that voucher codes exist and have remaining balance. Unlike promo
- * vouchers, purchase vouchers do not require travel or price context validation.
- */
-class PurchaseVoucherValidator extends ConstraintValidator
-{
-    public function __construct(
-        private readonly VoucherValidator $voucherValidationService,
-    ) {
-    }
-
-    public function validate(mixed $value, Constraint $constraint): void
-    {
-        if (!$constraint instanceof PurchaseVoucher) {
-            throw new UnexpectedTypeException($constraint, PurchaseVoucher::class);
-        }
-
-        if (!$value instanceof ParticipantEditDto) {
-            throw new UnexpectedTypeException($value, ParticipantEditDto::class);
-        }
-
-        $voucherCode = $value->participant->purchaseVoucherCode;
-
-        // Skip validation if voucher code is empty
-        if (null === $voucherCode || '' === trim($voucherCode)) {
-            return;
-        }
-
-        // Validate voucher via API
-        $result = $this->voucherValidationService->validatePurchaseVoucher($voucherCode);
-
-        // Add violation if voucher is invalid
-        if (false === $result->isValid) {
-            $this->context->buildViolation($constraint->message)
-                ->setParameter('{{ error }}', $result->errorMessage ?? 'Unbekannter Fehler')
-                ->atPath('participant.purchaseVoucherCode')
-                ->addViolation();
-        }
-    }
-}