install/upgrade.php

   1 <?php
   2 /************************************************************************/
   3 /* ATutor                                                                                                                               */
   4 /************************************************************************/
   5 /* Copyright (c) 2002-2010                                              */
   6 /* http://atutor.ca                                                     */
   7 /* This program is free software. You can redistribute it and/or        */
   8 /* modify it under the terms of the GNU General Public License          */
   9 /* as published by the Free Software Foundation.                        */
  10 /************************************************************************/
  11 // $Id$
  12
  13 // AT_INCLUDE_PATH is the relative path to atutor root include directory
  14 // rather than the install include directory because this path is required
  15 // by Module.class.php used in ustep3.php.
  16 define('AT_INCLUDE_PATH', '../include/');
  17
  18 if (isset($_POST['new_version'])) {
  19         $new_version = $_POST['new_version'];
  20 }
  21
  22 if (isset($_POST['step'])) {
  23         $step = intval($_POST['step']);
  24 }
  25
  26 if (!isset($step) || ($step == 0)) {
  27         $step = 1;
  28 }
  29
  30 // Be careful at modifying AT_UPGRADE_INCLUDE_PATH constant which is used by
  31 // get_atutor_installation_path() @ common.inc.php in ustep3.php. Must make sure the
  32 // function doesn't get broken at modifying this constant.
  33 define('AT_UPGRADE_INCLUDE_PATH', 'include/');
  34 require(AT_UPGRADE_INCLUDE_PATH.'common.inc.php');
  35
  36 if (($step == 2) && isset($_POST['override']) && ($_POST['override'] == 0)) {
  37         header('Location: index.php');
  38         exit;
  39 }
  40 session_start();
  41 require('include/upgrade_header.php');
  42
  43 if ($step == 1) {
  44         if (!$new_version) {
  45                 echo 'You cannot access this page directly. <a href="index.php">Upgrade from here</a> using the <em>Upgrade</em> button.';
  46                 require('include/footer.php');
  47                 exit;
  48         }
  49         // in:  select directory
  50         // out: confirm verions
  51         require('include/ustep1.php');
  52 }
  53 if ($step == 2) {
  54         // in:  update database
  55         // out: -
  56         require('include/ustep2.php');
  57 }
  58 if ($step == 3) {
  59         // in:  database info
  60         // out: convert database from <encoding> to UTF-8
  61         require('include/ustep7.php');
  62 }
  63 if ($step == 4) {
  64         // in:  display version specific notices
  65         // out: update database with new options
  66         require('include/ustep3.php');
  67 }
  68 if ($step == 5) {
  69         // in:  determine where the old content dir is and if it has to be copied
  70         // out: try to create the directory and set permissions
  71         require('include/step5.php');
  72 }
  73 if ($step == 6) {
  74         // in:  copy the content if needed
  75         // out: -
  76         require('include/ustep4.php');
  77 }
  78 if ($step == 7) {
  79         // in:  copy the config file
  80         // out: -
  81         require('include/ustep5.php');
  82 }
  83 /* anonymous data collection */
  84 if ($step == 8) {
  85         require('include/step7.php');
  86 }
  87
  88 if ($step == 9) {
  89         require('include/ustep6.php');
  90 }
  91 require('include/footer.php');
  92 ?>