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Classes/ViewHelpers/Facet/Area/GroupViewHelper.php

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+<?php
+namespace WapplerSystems\Meilisearch\ViewHelpers\Facet\Area;
+
+/*
+ * This file is part of the TYPO3 CMS project.
+ *
+ * It is free software; you can redistribute it and/or modify it under
+ * the terms of the GNU General Public License, either version 2
+ * of the License, or any later version.
+ *
+ * For the full copyright and license information, please read the
+ * LICENSE.txt file that was distributed with this source code.
+ *
+ * The TYPO3 project - inspiring people to share!
+ */
+
+use WapplerSystems\Meilisearch\Domain\Search\ResultSet\Facets\FacetCollection;
+use WapplerSystems\Meilisearch\ViewHelpers\AbstractSolrFrontendViewHelper;
+use TYPO3Fluid\Fluid\Core\Rendering\RenderingContextInterface;
+use TYPO3Fluid\Fluid\Core\ViewHelper\Traits\CompileWithRenderStatic;
+
+/**
+ * Class GroupViewHelper
+ *
+ * @author Frans Saris <frans@beech.it>
+ * @author Timo Hund <timo.hund@dkd.de> *
+ */
+class GroupViewHelper extends AbstractSolrFrontendViewHelper
+{
+    use CompileWithRenderStatic;
+
+    /**
+     * @var bool
+     */
+    protected $escapeOutput = false;
+
+    /**
+     * Initializes the arguments
+     */
+    public function initializeArguments()
+    {
+        parent::initializeArguments();
+        $this->registerArgument('facets', FacetCollection::class, 'The facets that should be filtered', true);
+        $this->registerArgument('groupName', 'string', 'The groupName that should be shown', false, 'main');
+    }
+
+    /**
+     * @param array $arguments
+     * @param \Closure $renderChildrenClosure
+     * @param RenderingContextInterface $renderingContext
+     * @return string
+     */
+    public static function renderStatic(array $arguments, \Closure $renderChildrenClosure, RenderingContextInterface $renderingContext)
+    {
+        /** @var  $facets FacetCollection */
+        $facets = $arguments['facets'];
+        $requiredGroup = isset($arguments['groupName']) ? $arguments['groupName'] : 'main';
+        $filtered = $facets->getByGroupName($requiredGroup);
+
+        $templateVariableProvider = $renderingContext->getVariableProvider();
+        $templateVariableProvider->add('areaFacets', $filtered);
+        $content = $renderChildrenClosure();
+        $templateVariableProvider->remove('areaFacets');
+
+        return $content;
+    }
+}