feat: refactoring and cleanup

src/Form/Model/BookingDto.php

@@ -161,6 +161,9 @@ class BookingDto
         return $this->participants;
     }
 
+    /**
+     * @deprecated Use getParticipant() and check for null instead
+     */
     public function hasParticipant(int $index): bool
     {
         return isset($this->participants[$index]);
@@ -202,11 +205,17 @@ class BookingDto
         return ($adults >= 1 && $adults <= 2) && ($children >= 1);
     }
 
+    /**
+     * @deprecated Use ParticipantDto::isCanceled() instead
+     */
     public function isCanceled(): bool
     {
         return null !== $this->booking && 'S' === $this->booking->status;
     }
 
+    /**
+     * @deprecated Use ParticipantDto::isOption() instead
+     */
     public function isOption(): bool
     {
         return null !== $this->booking && 'O' === $this->booking->status;
@@ -219,6 +228,8 @@ class BookingDto
      * Used by templates to display the room assignment when the dropdown is hidden.
      *
      * @return string|null The room label or null if not a single room type scenario
+     *
+     * @deprecated No known usages
      */
     public function getSingleRoomLabel(): ?string
     {
@@ -284,6 +295,8 @@ class BookingDto
      * Checks if any participants have entered voucher codes.
      *
      * @return bool True if any promotional, purchase, or goodwill vouchers are present
+     *
+     * @deprecated Use AcceptedVouchersDto::hasVouchers() instead
      */
     public function hasVouchers(): bool
     {
@@ -317,4 +330,61 @@ class BookingDto
 
         return false;
     }
+
+    /**
+     * Calculates the number of participants assigned to each room ID.
+     *
+     * @return array<int, int> Array where key is room ID and value is count of assigned participants
+     */
+    public function getRoomAssignmentCounts(): array
+    {
+        $counts = [];
+        foreach ($this->participants as $participant) {
+            if (null !== $participant->assignedRoomId) {
+                $counts[$participant->assignedRoomId] = ($counts[$participant->assignedRoomId] ?? 0) + 1;
+            }
+        }
+
+        return $counts;
+    }
+
+    /**
+     * Resets all participant room assignments.
+     *
+     * Clears room assignments when room selections change to prevent
+     * invalid assignments.
+     */
+    public function resetParticipantAssignments(): void
+    {
+        foreach ($this->participants as $participant) {
+            $participant->assignedRoomId = null;
+        }
+    }
+
+    /**
+     * Creates a snapshot of the current room selection state.
+     *
+     * @return array<int, array{int, int}> Array of [roomId, quantity] pairs
+     */
+    public function createRoomSelectionSnapshot(): array
+    {
+        return array_map(
+            fn ($roomSelection) => [(int) $roomSelection->roomId, (int) $roomSelection->quantity],
+            $this->roomSelections
+        );
+    }
+
+    /**
+     * Checks if room selection has changed compared to a previous snapshot.
+     *
+     * @param array<int, array{int, int}> $oldSnapshot The baseline room selection snapshot
+     *
+     * @return bool True if room selections have changed, false otherwise
+     */
+    public function hasRoomSelectionChanged(array $oldSnapshot): bool
+    {
+        $newSnapshot = $this->createRoomSelectionSnapshot();
+
+        return $oldSnapshot !== $newSnapshot;
+    }
 }