backup/backup.php

   1 <?php
   2
   3 // This file is part of Moodle - http://moodle.org/
   4 //
   5 // Moodle is free software: you can redistribute it and/or modify
   6 // it under the terms of the GNU General Public License as published by
   7 // the Free Software Foundation, either version 3 of the License, or
   8 // (at your option) any later version.
   9 //
  10 // Moodle is distributed in the hope that it will be useful,
  11 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  12 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13 // GNU General Public License for more details.
  14 //
  15 // You should have received a copy of the GNU General Public License
  16 // along with Moodle.  If not, see <http://www.gnu.org/licenses/>.
  17
  18 require_once('../config.php');
  19 require_once($CFG->dirroot . '/backup/util/includes/backup_includes.php');
  20 require_once($CFG->dirroot . '/backup/moodle2/backup_plan_builder.class.php');
  21
  22
  23 $courseid = required_param('id', PARAM_INT);
  24 $sectionid = optional_param('section', null, PARAM_INT);
  25 $cmid = optional_param('cm', null, PARAM_INT);
  26 /**
  27  * Part of the forms in stages after initial, is POST never GET
  28  */
  29 $backupid = optional_param('backup', false, PARAM_ALPHANUM);
  30
  31 $url = new moodle_url('/backup/backup.php', array('id'=>$courseid));
  32 if ($sectionid !== null) {
  33     $url->param('section', $sectionid);
  34 }
  35 if ($cmid !== null) {
  36     $url->param('cm', $cmid);
  37 }
  38 $PAGE->set_url($url);
  39 $PAGE->set_pagelayout('admin');
  40
  41 $id = $courseid;
  42 $cm = null;
  43 $course = $DB->get_record('course', array('id'=>$courseid), '*', MUST_EXIST);
  44 $type = backup::TYPE_1COURSE;
  45 if (!is_null($sectionid)) {
  46     $section = $DB->get_record('course_sections', array('course'=>$course->id, 'id'=>$sectionid), '*', MUST_EXIST);
  47     $type = backup::TYPE_1SECTION;
  48     $id = $sectionid;
  49 }
  50 if (!is_null($cmid)) {
  51     $cm = get_coursemodule_from_id(null, $cmid, $course->id, false, MUST_EXIST);
  52     $type = backup::TYPE_1ACTIVITY;
  53     $id = $cmid;
  54 }
  55 require_login($course, false, $cm);
  56
  57 switch ($type) {
  58     case backup::TYPE_1COURSE :
  59         require_capability('moodle/backup:backupcourse', get_context_instance(CONTEXT_COURSE, $course->id));
  60         $heading = get_string('backupcourse', 'backup', $course->shortname);
  61         break;
  62     case backup::TYPE_1SECTION :
  63         $coursecontext = get_context_instance(CONTEXT_COURSE, $course->id);
  64         require_capability('moodle/backup:backupsection', $coursecontext);
  65         if (!empty($section->name)) {
  66             $sectionname = format_string($section->name, true, array('context' => $coursecontext));
  67             $heading = get_string('backupsection', 'backup', $sectionname);
  68             $PAGE->navbar->add($sectionname);
  69         } else {
  70             $heading = get_string('backupsection', 'backup', $section->section);
  71             $PAGE->navbar->add(get_string('section').' '.$section->section);
  72         }
  73         break;
  74     case backup::TYPE_1ACTIVITY :
  75         require_capability('moodle/backup:backupactivity', get_context_instance(CONTEXT_MODULE, $cm->id));
  76         $heading = get_string('backupactivity', 'backup', $cm->name);
  77         break;
  78     default :
  79         print_error('unknownbackuptype');
  80 }
  81
  82 if (!($bc = backup_ui::load_controller($backupid))) {
  83     $bc = new backup_controller($type, $id, backup::FORMAT_MOODLE,
  84                             backup::INTERACTIVE_YES, backup::MODE_GENERAL, $USER->id);
  85 }
  86 $backup = new backup_ui($bc);
  87 $backup->process();
  88 if ($backup->get_stage() == backup_ui::STAGE_FINAL) {
  89     $backup->execute();
  90 } else {
  91     $backup->save_controller();
  92 }
  93
  94 $PAGE->set_title($heading.': '.$backup->get_stage_name());
  95 $PAGE->set_heading($heading);
  96 $PAGE->navbar->add($backup->get_stage_name());
  97
  98 $renderer = $PAGE->get_renderer('core','backup');
  99 echo $OUTPUT->header();
 100 if ($backup->enforce_changed_dependencies()) {
 101     echo $renderer->dependency_notification(get_string('dependenciesenforced','backup'));
 102 }
 103 echo $renderer->progress_bar($backup->get_progress_bar());
 104 echo $backup->display();
 105 $backup->destroy();
 106 unset($backup);
 107 echo $OUTPUT->footer();