mod/forum/settracking.php

   1 <?php
   2
   3 //  Set tracking option for the forum.
   4
   5     require_once("../../config.php");
   6     require_once("lib.php");
   7
   8     $id         = required_param('id',PARAM_INT);                           // The forum to subscribe or unsubscribe to
   9     $returnpage = optional_param('returnpage', 'index.php', PARAM_FILE);    // Page to return to.
  10
  11     if (! $forum = get_record("forum", "id", $id)) {
  12         error("Forum ID was incorrect");
  13     }
  14
  15     if (! $course = get_record("course", "id", $forum->course)) {
  16         error("Forum doesn't belong to a course!");
  17     }
  18
  19     if (! $cm = get_coursemodule_from_instance("forum", $forum->id, $course->id)) {
  20         error("Incorrect cm");
  21     }
  22
  23     require_course_login($course, false, $cm);
  24
  25     $returnto = forum_go_back_to($returnpage.'?id='.$course->id.'&f='.$forum->id);
  26
  27     if (!forum_tp_can_track_forums($forum)) {
  28         redirect($returnto);
  29     }
  30
  31     $info = new object();
  32     $info->name  = fullname($USER);
  33     $info->forum = format_string($forum->name);
  34     if (forum_tp_is_tracked($forum) ) {
  35         if (forum_tp_stop_tracking($forum->id)) {
  36             add_to_log($course->id, "forum", "stop tracking", "view.php?f=$forum->id", $forum->id, $cm->id);
  37             redirect($returnto, get_string("nownottracking", "forum", $info), 1);
  38         } else {
  39             error("Could not stop tracking that forum", $_SERVER["HTTP_REFERER"]);
  40         }
  41
  42     } else { // subscribe
  43         if (forum_tp_start_tracking($forum->id)) {
  44             add_to_log($course->id, "forum", "start tracking", "view.php?f=$forum->id", $forum->id, $cm->id);
  45             redirect($returnto, get_string("nowtracking", "forum", $info), 1);
  46         } else {
  47             error("Could not start tracking that forum", $_SERVER["HTTP_REFERER"]);
  48         }
  49     }
  50
  51 ?>