Sindbad~EG File Manager

<?php
/*
 LICENSE

 This file is part of the purchaserequest plugin.

 Purchaserequest plugin is free software; you can redistribute it and/or modify
 it under the terms of the GNU General Public License as published by
 the Free Software Foundation; either version 2 of the License, or
 (at your option) any later version.

 Purchaserequest plugin is distributed in the hope that it will be useful,
 but WITHOUT ANY WARRANTY; without even the implied warranty of
 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 GNU General Public License for more details.

 You should have received a copy of the GNU General Public License
 along with Purchaserequest. If not, see <http://www.gnu.org/licenses/>.
 --------------------------------------------------------------------------
 @package   purchaserequest
 @author    the purchaserequest plugin team
 @copyright Copyright (c) 2015-2022 Purchaserequest plugin team
 @license   GPLv2+
            http://www.gnu.org/licenses/gpl.txt
 @link      https://github.com/InfotelGLPI/purchaserequest
 @link      http://www.glpi-project.org/
 @since     2009
 ---------------------------------------------------------------------- */

include("../../../inc/includes.php");

if (!isset($_GET["id"])) {
   $_GET["id"] = "";
}

$plugin = new Plugin();
if ($plugin->isActivated("order")
    && $DB->tableExists("glpi_plugin_order_orders")) {
   $validation = new PluginPurchaserequestValidation();

   if (isset($_POST["add"])) {
      $validation->check(-1, CREATE, $_POST);
      $newID = $validation->add($_POST);
      Html::back();

   } else if (isset($_POST["delete"])) {

      $validation->check($_POST['id'], DELETE);
      $validation->delete($_POST);
      $validation->redirectToList();
   } else if (isset($_POST["restore"])) {

      $validation->check($_POST['id'], DELETE);
      $validation->restore($_POST);
      $validation->redirectToList();

   } else if (isset($_POST["purge"])) {
      $validation->check($_POST['id'], PURGE);
      $validation->delete($_POST, 1);
      $validation->redirectToList();

      /* update purchaserequest */
   } else if (isset($_POST["update"]) || (isset($_POST['update_status']))) {

//      $validation->check($_POST['id'], READ);
      $validation->update($_POST);
      Html::back();
   }
   Html::back();
} else {
   Html::header(__('Setup'), '', "tools", "pluginpurchaserequestpurchaserequest", "config");
   echo "<div class='alert alert-important alert-warning d-flex'>";
   echo "<b>" . __('Please activate the plugin order', 'purchaserequest') . "</b></div>";
}

Html::footer();