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
  29     if (! $delete) {
  30         $strdeletecheck = get_string("deletecheck", "", $course->shortname);
  31         $strdeletecoursecheck = get_string("deletecoursecheck");
  32
  33
  34         print_header("$site->shortname: $strdeletecheck", $site->fullname,
  35                      "<a href=\"../$CFG->admin/index.php\">$stradministration</a> -> ".
  36                      "<a href=\"index.php\">$strcategories</a> -> ".
  37                      "<a href=\"category.php?id=$course->category\">$category->name</a> -> ".
  38                      "$strdeletecheck");
  39
  40         notice_yesno("$strdeletecoursecheck<br /><br />$course->fullname ($course->shortname)",
  41                      "delete.php?id=$course->id&amp;delete=".md5($course->timemodified)."&amp;sesskey=$USER->sesskey",
  42                      "category.php?id=$course->category");
  43
  44         print_footer($course);
  45         exit;
  46     }
  47
  48     if ($delete != md5($course->timemodified)) {
  49         error("The check variable was wrong - try again");
  50     }
  51
  52     if (!confirm_sesskey()) {
  53         error(get_string('confirmsesskeybad', 'error'));
  54     }
  55
  56     // OK checks done, delete the course now.
  57
  58     add_to_log(SITEID, "course", "delete", "view.php?id=$course->id", "$course->fullname (ID $course->id)");
  59
  60     $strdeletingcourse = get_string("deletingcourse", "", $course->shortname);
  61
  62     print_header("$site->shortname: $strdeletingcourse", $site->fullname,
  63                  "<a href=\"../$CFG->admin/index.php\">$stradministration</a> -> ".
  64                  "<a href=\"index.php\">$strcategories</a> -> ".
  65                  "<a href=\"category.php?id=$course->category\">$category->name</a> -> ".
  66                  "$strdeletingcourse");
  67
  68     print_heading($strdeletingcourse);
  69
  70     delete_course($course->id);
  71     fix_course_sortorder(); //update course count in catagories
  72
  73     print_heading( get_string("deletedcourse", "", $course->shortname) );
  74
  75     print_continue("category.php?id=$course->category");
  76
  77     print_footer();
  78
  79 ?>