update

modules/ps_imageslider/controllers/admin/AdminConfigureSlidesController.php

@@ -0,0 +1,48 @@
+<?php
+/**
+ * Copyright since 2007 PrestaShop SA and Contributors
+ * PrestaShop is an International Registered Trademark & Property of PrestaShop SA
+ *
+ * NOTICE OF LICENSE
+ *
+ * This source file is subject to the Academic Free License version 3.0
+ * that is bundled with this package in the file LICENSE.md.
+ * It is also available through the world-wide-web at this URL:
+ * https://opensource.org/licenses/AFL-3.0
+ * If you did not receive a copy of the license and are unable to
+ * obtain it through the world-wide-web, please send an email
+ * to license@prestashop.com so we can send you a copy immediately.
+ *
+ * @author    PrestaShop SA and Contributors <contact@prestashop.com>
+ * @copyright Since 2007 PrestaShop SA and Contributors
+ * @license   https://opensource.org/licenses/AFL-3.0 Academic Free License version 3.0
+ */
+class AdminConfigureSlidesController extends ModuleAdminController
+{
+    public function ajaxProcessUpdateSlidesPosition()
+    {
+        if (empty(Tools::getValue('action')) || Tools::getValue('action') != 'updateSlidesPosition' || empty(Tools::getValue('slides'))) {
+            ob_end_clean();
+            header('Content-Type: application/json');
+            $this->ajaxRender(json_encode(['error' => true]));
+            exit;
+        }
+
+        // Get slides and update their position
+        $slides = Tools::getValue('slides');
+        foreach ($slides as $position => $id_slide) {
+            Db::getInstance()->execute('
+					UPDATE `' . _DB_PREFIX_ . 'homeslider_slides` SET `position` = ' . (int) $position . '
+					WHERE `id_homeslider_slides` = ' . (int) $id_slide
+                );
+        }
+
+        // Wipe module cache
+        $this->module->clearCache();
+
+        ob_end_clean();
+        header('Content-Type: application/json');
+        $this->ajaxRender(json_encode(['success' => true]));
+        exit;
+    }
+}