View file modules/downloads/includes/search.php

<?php

/**
 * This file is part of JohnCMS Content Management System.
 *
 * @copyright JohnCMS Community
 * @license   https://opensource.org/licenses/GPL-3.0 GPL-3.0
 * @link      https://johncms.com JohnCMS Project
 */

declare(strict_types=1);

use Downloads\Download;

defined('_IN_JOHNCMS') || die('Error: restricted access');

/**
 * @var PDO $db
 * @var Johncms\System\Legacy\Tools $tools
 */

$id = isset($_REQUEST['id']) ? abs((int) ($_REQUEST['id'])) : 0;

// Поиск файлов
$search_post = isset($_POST['search']) ? trim($_POST['search']) : false;
$search_get = isset($_GET['search']) ? rawurldecode(trim($_GET['search'])) : '';
$search = $search_post ?: $search_get;

$nav_chain->add(__('Search'));

// Проверяем на коректность ввода
$error = false;

if ((! empty($search) && mb_strlen($search) < 2) || mb_strlen($search) > 64) {
    $error = __('Invalid file name length. Allowed a minimum of 3 and a maximum of 64 characters.');
}

$total = 0;
// Выводим результаты поиска
if ($search && empty($error)) {
    // Подготавливаем данные для запроса
    $search = preg_replace("/[^\w\x7F-\xFF\s]/", ' ', $search);
    $search_db = strtr($search, ['_' => '\\_', '%' => '\\%', '*' => '%']);
    $search_db = '%' . $search_db . '%';
    $search_db = $db->quote($search_db);
    $sql = ($id ? '`about`' : '`rus_name`') . ' LIKE ' . $search_db;

    $total = $db->query("SELECT COUNT(*) FROM `download__files` WHERE `type` = '2'  AND ${sql}")->fetchColumn();
    if ($total) {
        $req_down = $db->query("SELECT * FROM `download__files` WHERE `type` = '2'  AND ${sql} ORDER BY `rus_name` LIMIT ${start}, " . $user->config->kmess);
        $files = [];
        while ($res_down = $req_down->fetch()) {
            $files[] = Download::displayFile($res_down);
        }
    }
} elseif ($error) {
    // FAQ по поиску и вывод ошибки
    echo $view->render(
        'system::pages/result',
        [
            'title'         => __('Error'),
            'type'          => 'alert-danger',
            'message'       => $error,
            'back_url'      => $url,
            'back_url_name' => __('Downloads'),
        ]
    );
    exit;
}

echo $view->render(
    'downloads::search',
    [
        'title'           => __('Search results'),
        'page_title'      => __('Search results'),
        'pagination'      => $tools->displayPagination('?act=search&amp;search=' . htmlspecialchars($search ?? '') . '&amp;id=' . $id . '&amp;', $start, $total, $user->config->kmess),
        'files'           => $files ?? [],
        'total'           => $total,
        'search_query'    => htmlspecialchars($search),
        'id'              => $id,
        'urls'            => $urls,
        'show_empty_info' => ! empty($search),
    ]
);