wip: dynamic services fields

src/Form/Service/Condition/RoomSelectionCondition.php

@@ -0,0 +1,111 @@
+<?php
+
+declare(strict_types=1);
+
+namespace App\Form\Service\Condition;
+
+use App\BusProNet\Model\Room;
+use App\Form\Model\BookingDtoInterface;
+use App\Form\Service\Contract\FieldConditionInterface;
+
+/**
+ * Condition that evaluates whether a participant has selected a room with specific code(s).
+ *
+ * This condition checks if a participant has selected a room that matches any of the
+ * configured room codes. This allows for flexible room-based field visibility logic
+ * where different fields can be shown based on the selected room type.
+ */
+class RoomSelectionCondition implements FieldConditionInterface
+{
+    private array $requiredRoomCodes;
+
+    /**
+     * Creates a new room selection condition for specified room codes.
+     *
+     * @param array<string> $requiredRoomCodes Room codes that should trigger this condition
+     */
+    public function __construct(array $requiredRoomCodes)
+    {
+        $this->requiredRoomCodes = array_map('strtolower', $requiredRoomCodes);
+    }
+
+    /**
+     * Evaluates whether the participant has selected a room with one of the required codes.
+     *
+     * Checks both submitted form data and participant DTO data to determine
+     * if the selected room matches any of the configured room codes.
+     *
+     * @param BookingDtoInterface  $bookingDto       The current booking data (create or edit)
+     * @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 room with matching code is selected, false otherwise
+     */
+    public function evaluate(BookingDtoInterface $bookingDto, int $participantIndex, array $formData): bool
+    {
+        // First check submitted form data for room selection
+        if (isset($formData['participants'][$participantIndex]['assignedRoomId'])) {
+            $selectedRoomId = $formData['participants'][$participantIndex]['assignedRoomId'];
+            if (true === is_numeric($selectedRoomId)) {
+                $room = $this->findRoomById((int) $selectedRoomId, $bookingDto);
+                if (null !== $room && in_array(strtolower($room->code ?? ''), $this->requiredRoomCodes, true)) {
+                    return true;
+                }
+            }
+        }
+
+        // Then check participant DTO data for existing room selection
+        $participant = $bookingDto->getParticipant($participantIndex);
+        if (null !== $participant && null !== $participant->assignedRoomId) {
+            $room = $this->findRoomById($participant->assignedRoomId, $bookingDto);
+            if (null !== $room && in_array(strtolower($room->code ?? ''), $this->requiredRoomCodes, true)) {
+                return true;
+            }
+        }
+
+        return false;
+    }
+
+    /**
+     * Returns field names that trigger re-evaluation of this condition.
+     *
+     * This condition depends on the assignedRoomId field, so any changes to room
+     * selection should trigger re-evaluation of dependent fields.
+     *
+     * @return string[] Array containing the field names that affect this condition
+     */
+    public function getDependentFields(): array
+    {
+        return ['assignedRoomId'];
+    }
+
+    /**
+     * Returns a human-readable description of this condition.
+     *
+     * @return string A brief description of the condition logic
+     */
+    public function getDescription(): string
+    {
+        $codes = implode(', ', $this->requiredRoomCodes);
+        return "Field visible when room with code(s) [{$codes}] is selected";
+    }
+
+    /**
+     * Finds a room by ID in the available travel rooms.
+     *
+     * @param int                 $roomId     The room ID to find
+     * @param BookingDtoInterface $bookingDto The booking DTO containing travel data
+     *
+     * @return Room|null The found room or null if not found
+     */
+    private function findRoomById(int $roomId, BookingDtoInterface $bookingDto): ?Room
+    {
+        foreach ($bookingDto->travel->rooms as $room) {
+            if ($room->id === $roomId) {
+                return $room;
+            }
+        }
+
+        return null;
+    }
+}