feat: filtering of custom destinations by hotel

src/Service/Common/DestinationFilterHandler.php

@@ -0,0 +1,37 @@
+<?php
+
+declare(strict_types=1);
+
+namespace App\Service\Common;
+
+use App\Model\AbstractFilterDto;
+use App\Model\DestinationFilterDto;
+
+class DestinationFilterHandler extends AbstractFilterHandler
+{
+    protected string $namespace = 'filter:destination';
+    protected string $modelClass = DestinationFilterDto::class;
+
+    public function getFilterSettings(): DestinationFilterDto
+    {
+        $filterDto = new $this->modelClass();
+
+        if (null === $data = $this->getSession()->get($this->namespace)) {
+            return $filterDto;
+        }
+
+        if (isset($data['hotels']) && 0 < count($data['hotels'])) {
+            $filterDto->setHotels($data['hotels']);
+        }
+
+        return $filterDto;
+    }
+
+    protected function saveFilterSettings(AbstractFilterDto $filterDto): void
+    {
+        /** @var DestinationFilterDto $filterDto */
+        $this->getSession()->set($this->namespace, [
+            'hotels' => $filterDto->getHotels(),
+        ]);
+    }
+}