mod/forum/settracking.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 /**
  19  * Set tracking option for the forum.
  20  *
  21  * @package   mod_forum
  22  * @copyright 2005 mchurch
  23  * @license   http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
  24  */
  25
  26 require_once("../../config.php");
  27 require_once("lib.php");
  28
  29 $id         = required_param('id',PARAM_INT);                           // The forum to subscribe or unsubscribe to
  30 $returnpage = optional_param('returnpage', 'index.php', PARAM_FILE);    // Page to return to.
  31
  32 $url = new moodle_url('/mod/forum/settracking.php', array('id'=>$id));
  33 if ($returnpage !== 'index.php') {
  34     $url->param('returnpage', $returnpage);
  35 }
  36 $PAGE->set_url($url);
  37
  38 if (! $forum = $DB->get_record("forum", array("id" => $id))) {
  39     print_error('invalidforumid', 'forum');
  40 }
  41
  42 if (! $course = $DB->get_record("course", array("id" => $forum->course))) {
  43     print_error('invalidcoursemodule');
  44 }
  45
  46 if (! $cm = get_coursemodule_from_instance("forum", $forum->id, $course->id)) {
  47     print_error('invalidcoursemodule');
  48 }
  49
  50 require_course_login($course, false, $cm);
  51
  52 $returnto = forum_go_back_to($returnpage.'?id='.$course->id.'&f='.$forum->id);
  53
  54 if (!forum_tp_can_track_forums($forum)) {
  55     redirect($returnto);
  56 }
  57
  58 $info = new stdClass();
  59 $info->name  = fullname($USER);
  60 $info->forum = format_string($forum->name);
  61
  62 $eventparams = array(
  63     'context' => context_module::instance($cm->id),
  64     'relateduserid' => $USER->id,
  65     'other' => array('forumid' => $forum->id),
  66 );
  67
  68 if (forum_tp_is_tracked($forum) ) {
  69     if (forum_tp_stop_tracking($forum->id)) {
  70         $event = \mod_forum\event\readtracking_disabled::create($eventparams);
  71         $event->trigger();
  72         redirect($returnto, get_string("nownottracking", "forum", $info), 1);
  73     } else {
  74         print_error('cannottrack', '', $_SERVER["HTTP_REFERER"]);
  75     }
  76
  77 } else { // subscribe
  78     if (forum_tp_start_tracking($forum->id)) {
  79         $event = \mod_forum\event\readtracking_enabled::create($eventparams);
  80         $event->trigger();
  81         redirect($returnto, get_string("nowtracking", "forum", $info), 1);
  82     } else {
  83         print_error('cannottrack', '', $_SERVER["HTTP_REFERER"]);
  84     }
  85 }
  86
  87