feat: bulk insurance booking by applicant

src/Form/Service/Condition/BulkInsuranceBookingCondition.php

@@ -0,0 +1,96 @@
+<?php
+
+declare(strict_types=1);
+
+namespace App\Form\Service\Condition;
+
+use App\Form\Model\BookingDtoInterface;
+use App\Form\Service\Contract\FieldConditionInterface;
+
+/**
+ * Condition that evaluates whether bulk insurance booking is active for dependent participants.
+ *
+ * This condition determines if the applicant (first participant) has enabled bulk insurance
+ * booking for all participants. When active, dependent participants (index > 0) will have
+ * their insurance field replaced with a "wie Anmelder" (same as applicant) message, and the
+ * applicant's insurance selection (or lack thereof) will be automatically applied to all
+ * participants based on their individual travel prices and age constraints.
+ *
+ * The condition is satisfied when:
+ * 1. Evaluating a dependent participant (not the applicant)
+ * 2. The applicant has bulkInsuranceBooking flag set to true
+ */
+class BulkInsuranceBookingCondition implements FieldConditionInterface
+{
+    /**
+     * Evaluates if bulk insurance booking is active for the given participant.
+     *
+     * For the applicant (index 0), always returns false since they control the bulk booking.
+     * For dependent participants, returns true if the applicant has bulk insurance booking enabled,
+     * regardless of whether an insurance is selected (applies to "no insurance" as well).
+     *
+     * @param BookingDtoInterface  $bookingDto       The current booking data
+     * @param int                  $participantIndex The index of the participant being evaluated
+     * @param array<string, mixed> $formData         Current form data for condition evaluation
+     *
+     * @return bool True if bulk insurance booking is active for this dependent participant
+     */
+    public function evaluate(BookingDtoInterface $bookingDto, int $participantIndex, array $formData): bool
+    {
+        // Applicant is never affected by bulk insurance booking (they control it)
+        if (0 === $participantIndex) {
+            return false;
+        }
+
+        // Get applicant data
+        $applicant = $bookingDto->getParticipant(0);
+        if (null === $applicant) {
+            return false;
+        }
+
+        // Check if applicant has bulk insurance booking enabled
+        // No need to check for insurance selection - bulk applies even when no insurance is selected
+        return $this->getBulkInsuranceBookingValue($formData, $applicant);
+    }
+
+    /**
+     * Returns field names that this condition depends on.
+     *
+     * This condition depends on the applicant's bulkInsuranceBooking flag.
+     * Any changes to this field should trigger re-evaluation of dependent participant field states.
+     *
+     * @return string[] Array containing field names this condition depends on
+     */
+    public function getDependentFields(): array
+    {
+        return ['bulkInsuranceBooking'];
+    }
+
+    /**
+     * Returns a human-readable description of this condition.
+     *
+     * @return string Description of the bulk insurance booking condition
+     */
+    public function getDescription(): string
+    {
+        return 'Applicant has bulk insurance booking enabled';
+    }
+
+    /**
+     * Gets the bulk insurance booking flag value from form data or participant DTO.
+     */
+    private function getBulkInsuranceBookingValue(array $formData, object $applicant): bool
+    {
+        // First check form data (for fresh submissions)
+        if (isset($formData['participants'][0]['bulkInsuranceBooking'])) {
+            return (bool) $formData['participants'][0]['bulkInsuranceBooking'];
+        }
+
+        // Fall back to participant DTO
+        if (property_exists($applicant, 'bulkInsuranceBooking')) {
+            return (bool) $applicant->bulkInsuranceBooking;
+        }
+
+        return false;
+    }
+}