first commit

Classes/ViewHelpers/PageBrowserRangeViewHelper.php

@@ -0,0 +1,75 @@
+<?php
+namespace WapplerSystems\Meilisearch\ViewHelpers;
+
+/*
+ * 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 TYPO3Fluid\Fluid\Core\Rendering\RenderingContextInterface;
+use TYPO3Fluid\Fluid\Core\ViewHelper\Traits\CompileWithRenderStatic;
+
+/**
+ * Class PageBrowserRangeViewHelper
+ *
+ * @author Frans Saris <frans@beech.it>
+ * @author Timo Hund <timo.hund@dkd.de>
+ */
+class PageBrowserRangeViewHelper extends AbstractSolrFrontendViewHelper
+{
+
+    use CompileWithRenderStatic;
+
+    /**
+     * Initializes the arguments
+     */
+    public function initializeArguments()
+    {
+        parent::initializeArguments();
+        $this->registerArgument('from', 'string', 'from', false, 'from');
+        $this->registerArgument('to', 'string', 'to', false, 'to');
+        $this->registerArgument('total', 'string', 'total', false, 'total');
+    }
+
+    /**
+     * @param array $arguments
+     * @param \Closure $renderChildrenClosure
+     * @param RenderingContextInterface $renderingContext
+     * @return string
+     */
+    public static function renderStatic(array $arguments, \Closure $renderChildrenClosure, RenderingContextInterface $renderingContext)
+    {
+        $from = $arguments['from'];
+        $to = $arguments['to'];
+        $total = $arguments['total'];
+
+        $resultSet = self::getUsedSearchResultSetFromRenderingContext($renderingContext);
+        $search = $resultSet->getUsedSearch();
+        $variableProvider = $renderingContext->getVariableProvider();
+
+        $numberOfResultsOnPage = $resultSet->getSearchResults()->getCount();
+        $numberOfAllResults = $resultSet->getAllResultCount();
+
+        $resultsFrom = $search->getResponseBody()->start + 1;
+        $resultsTo = $resultsFrom + $numberOfResultsOnPage - 1;
+        $variableProvider->add($from, $resultsFrom);
+        $variableProvider->add($to, $resultsTo);
+        $variableProvider->add($total, $numberOfAllResults);
+
+        $content = $renderChildrenClosure();
+
+        $variableProvider->remove($from);
+        $variableProvider->remove($to);
+        $variableProvider->remove($total);
+
+        return $content;
+    }
+}