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   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  $f          = required_param('f',PARAM_INT); // The forum to mark
  30  $mark       = required_param('mark',PARAM_ALPHA); // Read or unread?
  31  $d          = optional_param('d',0,PARAM_INT); // Discussion to mark.
  32  $returnpage = optional_param('returnpage', 'index.php', PARAM_FILE);    // Page to return to.
  33  
  34  $url = new moodle_url('/mod/forum/markposts.php', array('f'=>$f, 'mark'=>$mark));
  35  if ($d !== 0) {
  36      $url->param('d', $d);
  37  }
  38  if ($returnpage !== 'index.php') {
  39      $url->param('returnpage', $returnpage);
  40  }
  41  $PAGE->set_url($url);
  42  
  43  if (! $forum = $DB->get_record("forum", array("id" => $f))) {
  44      print_error('invalidforumid', 'forum');
  45  }
  46  
  47  if (! $course = $DB->get_record("course", array("id" => $forum->course))) {
  48      print_error('invalidcourseid');
  49  }
  50  
  51  if (!$cm = get_coursemodule_from_instance("forum", $forum->id, $course->id)) {
  52      print_error('invalidcoursemodule');
  53  }
  54  
  55  $user = $USER;
  56  
  57  require_login($course, false, $cm);
  58  
  59  if ($returnpage == 'index.php') {
  60      $returnto = forum_go_back_to($returnpage.'?id='.$course->id);
  61  } else {
  62      $returnto = forum_go_back_to($returnpage.'?f='.$forum->id);
  63  }
  64  
  65  if (isguestuser()) {   // Guests can't change forum
  66      $PAGE->set_title($course->shortname);
  67      $PAGE->set_heading($course->fullname);
  68      echo $OUTPUT->header();
  69      echo $OUTPUT->confirm(get_string('noguesttracking', 'forum').'<br /><br />'.get_string('liketologin'), get_login_url(), $returnto);
  70      echo $OUTPUT->footer();
  71      exit;
  72  }
  73  
  74  $info = new stdClass();
  75  $info->name  = fullname($user);
  76  $info->forum = format_string($forum->name);
  77  
  78  if ($mark == 'read') {
  79      if (!empty($d)) {
  80          if (! $discussion = $DB->get_record('forum_discussions', array('id'=> $d, 'forum'=> $forum->id))) {
  81              print_error('invaliddiscussionid', 'forum');
  82          }
  83  
  84          forum_tp_mark_discussion_read($user, $d);
  85      } else {
  86          // Mark all messages read in current group
  87          $currentgroup = groups_get_activity_group($cm);
  88          if(!$currentgroup) {
  89              // mark_forum_read requires ===false, while get_activity_group
  90              // may return 0
  91              $currentgroup=false;
  92          }
  93          forum_tp_mark_forum_read($user, $forum->id, $currentgroup);
  94      }
  95  
  96  /// FUTURE - Add ability to mark them as unread.
  97  //    } else { // subscribe
  98  //        if (forum_tp_start_tracking($forum->id, $user->id)) {
  99  //            redirect($returnto, get_string("nowtracking", "forum", $info), 1);
 100  //        } else {
 101  //            print_error("Could not start tracking that forum", $_SERVER["HTTP_REFERER"]);
 102  //        }
 103  }
 104  
 105  redirect($returnto);
 106