Implemented IsPreview View Matcher

src/lib/MVC/Symfony/Matcher/ContentBased/IsPreview.php

@@ -0,0 +1,48 @@
+<?php
+
+/**
+ * @copyright Copyright (C) Ibexa AS. All rights reserved.
+ * @license For full copyright and license information view LICENSE file distributed with this source code.
+ */
+declare(strict_types=1);
+
+namespace Ibexa\Core\MVC\Symfony\Matcher\ContentBased;
+
+use Ibexa\Core\Base\Exceptions\InvalidArgumentException;
+use Ibexa\Core\MVC\Symfony\Controller\Content\PreviewController;
+use Ibexa\Core\MVC\Symfony\Matcher\ViewMatcherInterface;
+use Ibexa\Core\MVC\Symfony\View\View;
+
+/**
+ * @internal
+ */
+final class IsPreview implements ViewMatcherInterface
+{
+    private bool $isPreview;
+
+    /**
+     * @throws \Ibexa\Contracts\Core\Repository\Exceptions\InvalidArgumentException
+     */
+    public function setMatchingConfig($matchingConfig): void
+    {
+        if (!is_bool($matchingConfig)) {
+            throw new InvalidArgumentException(
+                '$matchConfig',
+                sprintf(
+                    'IsPreview matcher expects true or false value, got a value of %s type',
+                    gettype($matchingConfig)
+                )
+            );
+        }
+
+        $this->isPreview = $matchingConfig;
+    }
+
+    public function match(View $view): bool
+    {
+        $isPreview = $view->hasParameter(PreviewController::PREVIEW_PARAMETER_NAME)
+            && $view->getParameter(PreviewController::PREVIEW_PARAMETER_NAME);
+
+        return $this->isPreview === $isPreview;
+    }
+}