feat: special treatment of participants with age 0-2 (babies)

src/Form/Service/Condition/BabyAgeCondition.php

@@ -0,0 +1,75 @@
+<?php
+
+declare(strict_types=1);
+
+namespace App\Form\Service\Condition;
+
+use App\BusProNet\Constants;
+use App\Form\Model\BookingDto;
+use App\Form\Service\Contract\FieldConditionInterface;
+
+/**
+ * Condition that evaluates if a participant is at or under baby age (0-2 years).
+ *
+ * This condition checks if a participant's age at travel start date is at or under
+ * the BABY_MAX_AGE threshold (2 years). It's used to conditionally hide fields
+ * that are not applicable to babies, such as ski pass selection.
+ *
+ * Age is calculated at the travel start date, consistent with other age-dependent
+ * services in the system (insurance, ski pass, etc.).
+ */
+class BabyAgeCondition implements FieldConditionInterface
+{
+    /**
+     * Evaluates if the participant is at or under baby age.
+     *
+     * Calculates the participant's age at travel start date and checks if it's
+     * at or under BABY_MAX_AGE (2 years). Returns false if the participant has
+     * no date of birth set.
+     *
+     * @param BookingDto           $bookingDto       The current booking data
+     * @param int                  $participantIndex The index of the participant being evaluated
+     * @param array<string, mixed> $formData         Current form data (unused)
+     *
+     * @return bool True if the participant is at or under baby age, false otherwise
+     */
+    public function evaluate(BookingDto $bookingDto, int $participantIndex, array $formData): bool
+    {
+        $participant = $bookingDto->getParticipant($participantIndex);
+
+        if (null === $participant || null === $participant->dateOfBirth) {
+            return false;
+        }
+
+        $age = $participant->getAge($bookingDto->travel->dateFrom);
+
+        if (null === $age) {
+            return false;
+        }
+
+        return $age <= Constants::BABY_MAX_AGE;
+    }
+
+    /**
+     * Returns field names that affect baby age calculation.
+     *
+     * The condition depends on the participant's date of birth field.
+     * When this field changes, any conditions based on baby age should be re-evaluated.
+     *
+     * @return string[] Array containing 'dateOfBirth' field name
+     */
+    public function getDependentFields(): array
+    {
+        return ['dateOfBirth'];
+    }
+
+    /**
+     * Returns a human-readable description of the condition.
+     *
+     * @return string Description of the baby age condition
+     */
+    public function getDescription(): string
+    {
+        return sprintf('Participant is at or under baby age (%d years)', Constants::BABY_MAX_AGE);
+    }
+}

src/Form/Service/Condition/MultipleParticipantsCondition.php

@@ -0,0 +1,41 @@
+<?php
+
+declare(strict_types=1);
+
+namespace App\Form\Service\Condition;
+
+use App\Form\Model\BookingDto;
+use App\Form\Service\Contract\FieldConditionInterface;
+
+/**
+ * Condition that checks if the booking has multiple participants.
+ *
+ * This is used to hide fields that are only relevant when there are
+ * multiple participants, such as the bulk insurance assignment option.
+ */
+class MultipleParticipantsCondition implements FieldConditionInterface
+{
+    /**
+     * Evaluates if the booking has more than one participant.
+     *
+     * @param BookingDto           $bookingDto       The current booking data
+     * @param int                  $participantIndex The index of the participant being evaluated (unused)
+     * @param array<string, mixed> $formData         Current form data (unused)
+     *
+     * @return bool True if the booking has 2+ participants, false otherwise
+     */
+    public function evaluate(BookingDto $bookingDto, int $participantIndex, array $formData): bool
+    {
+        return count($bookingDto->participants) > 1;
+    }
+
+    public function getDependentFields(): array
+    {
+        return [];
+    }
+
+    public function getDescription(): string
+    {
+        return 'Checks if the booking has multiple participants (2+)';
+    }
+}