backup/restore.php

   1 <?php
   2     //This script is used to configure and execute the restore proccess.
   3
   4 require_once('../config.php');
   5 require_once($CFG->dirroot . '/backup/util/includes/restore_includes.php');
   6
   7 $contextid   = required_param('contextid', PARAM_INT);
   8 $stage       = optional_param('stage', restore_ui::STAGE_CONFIRM, PARAM_INT);
   9
  10 list($context, $course, $cm) = get_context_info_array($contextid);
  11
  12 navigation_node::override_active_url(new moodle_url('/backup/restorefile.php', array('contextid'=>$contextid)));
  13 $PAGE->set_url(new moodle_url('/backup/restore.php', array('contextid'=>$contextid)));
  14 $PAGE->set_context($context);
  15 $PAGE->set_pagelayout('standard');
  16
  17 require_login($course, null, $cm);
  18 require_capability('moodle/restore:restorecourse', $context);
  19
  20 if ($stage & restore_ui::STAGE_CONFIRM + restore_ui::STAGE_DESTINATION) {
  21     $restore = restore_ui::engage_independent_stage($stage, $contextid);
  22 } else {
  23     $restoreid = optional_param('restore', false, PARAM_ALPHANUM);
  24     $rc = restore_ui::load_controller($restoreid);
  25     if (!$rc) {
  26         $restore = restore_ui::engage_independent_stage($stage/2, $contextid);
  27         if ($restore->process()) {
  28             $rc = new restore_controller($restore->get_filepath(), $restore->get_course_id(), backup::INTERACTIVE_YES,
  29                                 backup::MODE_GENERAL, $USER->id, $restore->get_target());
  30         }
  31     }
  32     if ($rc) {
  33         // check if the format conversion must happen first
  34         if ($rc->get_status() == backup::STATUS_REQUIRE_CONV) {
  35             $rc->convert();
  36         }
  37
  38         $restore = new restore_ui($rc, array('contextid'=>$context->id));
  39     }
  40 }
  41
  42 $outcome = $restore->process();
  43 if (!$restore->is_independent()) {
  44     if ($restore->get_stage() == restore_ui::STAGE_PROCESS && !$restore->requires_substage()) {
  45         try {
  46             $restore->execute();
  47         } catch(Exception $e) {
  48             $restore->cleanup();
  49             throw $e;
  50         }
  51     } else {
  52         $restore->save_controller();
  53     }
  54 }
  55 $heading = $course->fullname;
  56
  57 $PAGE->set_title($heading.': '.$restore->get_stage_name());
  58 $PAGE->set_heading($heading);
  59 $PAGE->navbar->add($restore->get_stage_name());
  60
  61 $renderer = $PAGE->get_renderer('core','backup');
  62 echo $OUTPUT->header();
  63 if (!$restore->is_independent() && $restore->enforce_changed_dependencies()) {
  64     echo $renderer->dependency_notification(get_string('dependenciesenforced','backup'));
  65 }
  66 echo $renderer->progress_bar($restore->get_progress_bar());
  67 echo $restore->display($renderer);
  68 $restore->destroy();
  69 unset($restore);
  70 echo $OUTPUT->footer();