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modules/mod_finder/src/Helper/FinderHelper.php

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+<?php
+
+/**
+ * @package     Joomla.Site
+ * @subpackage  mod_finder
+ *
+ * @copyright   (C) 2011 Open Source Matters, Inc. <https://www.joomla.org>
+ * @license     GNU General Public License version 2 or later; see LICENSE.txt
+ */
+
+namespace Joomla\Module\Finder\Site\Helper;
+
+use Joomla\CMS\Factory;
+use Joomla\CMS\Filter\InputFilter;
+use Joomla\CMS\Router\Route;
+use Joomla\CMS\Uri\Uri;
+use Joomla\Component\Finder\Administrator\Indexer\Query;
+use Joomla\Database\DatabaseInterface;
+use Joomla\Utilities\ArrayHelper;
+
+// phpcs:disable PSR1.Files.SideEffects
+\defined('_JEXEC') or die;
+// phpcs:enable PSR1.Files.SideEffects
+
+/**
+ * Finder module helper.
+ *
+ * @since  2.5
+ */
+class FinderHelper
+{
+    /**
+     * Method to get hidden input fields for a get form so that control variables
+     * are not lost upon form submission.
+     *
+     * @param   string   $route      The route to the page. [optional]
+     * @param   integer  $paramItem  The menu item ID. (@since 3.1) [optional]
+     *
+     * @return  string  A string of hidden input form fields
+     *
+     * @since   2.5
+     */
+    public static function getGetFields($route = null, $paramItem = 0)
+    {
+        $fields = [];
+        $uri    = Uri::getInstance(Route::_($route));
+        $uri->delVar('q');
+
+        // Create hidden input elements for each part of the URI.
+        foreach ($uri->getQuery(true) as $n => $v) {
+            $fields[] = '<input type="hidden" name="' . $n . '" value="' . $v . '">';
+        }
+
+        return implode('', $fields);
+    }
+
+    /**
+     * Get Smart Search query object.
+     *
+     * @param   \Joomla\Registry\Registry  $params  Module parameters.
+     *
+     * @return  Query object
+     *
+     * @since   2.5
+     */
+    public static function getQuery($params)
+    {
+        $request = Factory::getApplication()->getInput()->request;
+        $filter  = InputFilter::getInstance();
+
+        // Get the static taxonomy filters.
+        $options           = [];
+        $options['filter'] = ($request->get('f', 0, 'int') !== 0) ? $request->get('f', '', 'int') : $params->get('searchfilter');
+        $options['filter'] = $filter->clean($options['filter'], 'int');
+
+        // Get the dynamic taxonomy filters.
+        $options['filters'] = $request->get('t', '', 'array');
+        $options['filters'] = $filter->clean($options['filters'], 'array');
+        $options['filters'] = ArrayHelper::toInteger($options['filters']);
+
+        // Instantiate a query object.
+        return new Query($options, Factory::getContainer()->get(DatabaseInterface::class));
+    }
+}