course/delete.php

   1 <?php // $Id$
   2       // Admin-only code to delete a course utterly
   3
   4     require_once("../config.php");
   5
   6     $id     = required_param('id', PARAM_INT);              // course id
   7     $delete = optional_param('delete', '', PARAM_ALPHANUM); // delete confirmation hash
   8
   9     require_login();
  10
  11     if (!can_delete_course($id)) {
  12         error('You do not have the permission to delete this course.');
  13     }
  14
  15     if (!$site = get_site()) {
  16         error("Site not found!");
  17     }
  18
  19     $strdeletecourse = get_string("deletecourse");
  20     $stradministration = get_string("administration");
  21     $strcategories = get_string("categories");
  22
  23     if (! $course = get_record("course", "id", $id)) {
  24         error("Course ID was incorrect (can't find it)");
  25     }
  26
  27     $category = get_record("course_categories", "id", $course->category);
  28     $navlinks = array();
  29
  30     if (! $delete) {
  31         $strdeletecheck = get_string("deletecheck", "", $course->shortname);
  32         $strdeletecoursecheck = get_string("deletecoursecheck");
  33
  34         $navlinks[] = array('name' => $stradministration, 'link' => "../$CFG->admin/index.php", 'type' => 'misc');
  35         $navlinks[] = array('name' => $strcategories, 'link' => "index.php", 'type' => 'misc');
  36         $navlinks[] = array('name' => $category->name, 'link' => "category.php?id=$course->category", 'type' => 'misc');
  37         $navlinks[] = array('name' => $strdeletecheck, 'link' => null, 'type' => 'misc');
  38         $navigation = build_navigation($navlinks);
  39
  40         print_header("$site->shortname: $strdeletecheck", $site->fullname, $navigation);
  41
  42         notice_yesno("$strdeletecoursecheck<br /><br />" . format_string($course->fullname) .
  43                      " (" . format_string($course->shortname) . ")",
  44                      "delete.php?id=$course->id&amp;delete=".md5($course->timemodified)."&amp;sesskey=$USER->sesskey",
  45                      "category.php?id=$course->category");
  46
  47         print_footer($course);
  48         exit;
  49     }
  50
  51     if ($delete != md5($course->timemodified)) {
  52         error("The check variable was wrong - try again");
  53     }
  54
  55     if (!confirm_sesskey()) {
  56         error(get_string('confirmsesskeybad', 'error'));
  57     }
  58
  59     // OK checks done, delete the course now.
  60
  61     add_to_log(SITEID, "course", "delete", "view.php?id=$course->id", "$course->fullname (ID $course->id)");
  62
  63     $strdeletingcourse = get_string("deletingcourse", "", format_string($course->shortname));
  64
  65     $navlinks[] = array('name' => $stradministration, 'link' => "../$CFG->admin/index.php", 'type' => 'misc');
  66     $navlinks[] = array('name' => $strcategories, 'link' => "index.php", 'type' => 'misc');
  67     $navlinks[] = array('name' => $category->name, 'link' => "category.php?id=$course->category", 'type' => 'misc');
  68     $navlinks[] = array('name' => $strdeletingcourse, 'link' => null, 'type' => 'misc');
  69     $navigation = build_navigation($navlinks);
  70
  71     print_header("$site->shortname: $strdeletingcourse", $site->fullname, $navigation);
  72
  73     print_heading($strdeletingcourse);
  74
  75     delete_course($course->id);
  76     fix_course_sortorder(); //update course count in catagories
  77
  78     // MDL-9983
  79     events_trigger('course_deleted', $course);
  80
  81     print_heading( get_string("deletedcourse", "", format_string($course->shortname)) );
  82
  83     print_continue("category.php?id=$course->category");
  84
  85     print_footer();
  86
  87 ?>