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Developer Documentation

See Release Notes

  • Bug fixes for general core bugs in 3.11.x will end 14 Nov 2022 (12 months plus 6 months extension).
  • Bug fixes for security issues in 3.11.x will end 13 Nov 2023 (18 months plus 12 months extension).
  • PHP version: minimum PHP 7.3.0 Note: minimum PHP version has increased since Moodle 3.10. PHP 7.4.x is supported too.

Differences Between: [Versions 311 and 401] [Versions 311 and 402] [Versions 311 and 403]

   1  <?php
   2  // This file is part of Moodle - http://moodle.org/
   3  //
   4  // Moodle is free software: you can redistribute it and/or modify
   5  // it under the terms of the GNU General Public License as published by
   6  // the Free Software Foundation, either version 3 of the License, or
   7  // (at your option) any later version.
   8  //
   9  // Moodle is distributed in the hope that it will be useful,
  10  // but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12  // GNU General Public License for more details.
  13  //
  14  // You should have received a copy of the GNU General Public License
  15  // along with Moodle.  If not, see <http://www.gnu.org/licenses/>.
  16  
  17  require_once('../../../config.php');
  18  require_once ('../lib.php');
  19  
  20  $id      = required_param('id', PARAM_INT);
  21  $groupid = optional_param('groupid', 0, PARAM_INT); // Only for teachers.
  22  
  23  $url = new moodle_url('/mod/chat/gui_header_js/index.php', array('id' => $id));
  24  if ($groupid !== 0) {
  25      $url->param('groupid', $groupid);
  26  }
  27  $PAGE->set_url($url);
  28  
  29  if (!$chat = $DB->get_record('chat', array('id' => $id))) {
  30      print_error('invalidid', 'chat');
  31  }
  32  
  33  if (!$course = $DB->get_record('course', array('id' => $chat->course))) {
  34      print_error('invalidcourseid');
  35  }
  36  
  37  if (!$cm = get_coursemodule_from_instance('chat', $chat->id, $course->id)) {
  38      print_error('invalidcoursemodule');
  39  }
  40  
  41  $context = context_module::instance($cm->id);
  42  
  43  require_login($course, false, $cm);
  44  
  45  require_capability('mod/chat:chat', $context);
  46  
  47  // Check to see if groups are being used here.
  48  if ($groupmode = groups_get_activity_groupmode($cm)) {   // Groups are being used.
  49      if ($groupid = groups_get_activity_group($cm)) {
  50          if (!$group = groups_get_group($groupid)) {
  51              print_error('invalidgroupid');
  52          }
  53          $groupname = ': '.$group->name;
  54      } else {
  55          $groupname = ': '.get_string('allparticipants');
  56      }
  57  } else {
  58      $groupid = 0;
  59      $groupname = '';
  60  }
  61  
  62  $strchat = get_string('modulename', 'chat'); // Must be before current_language() in chat_login_user() to force course language!
  63  
  64  if (!$chatsid = chat_login_user($chat->id, 'header_js', $groupid, $course)) {
  65      print_error('cantlogin', 'chat');
  66  }
  67  
  68  $params = "chat_id=$id&chat_sid={$chatsid}";
  69  
  70  // Fallback to the old jsupdate, but allow other update modes.
  71  $updatemode = 'jsupdate';
  72  if (!empty($CFG->chat_normal_updatemode)) {
  73      $updatemode = $CFG->chat_normal_updatemode;
  74  }
  75  
  76  $courseshortname = format_string($course->shortname, true, array('context' => context_course::instance($course->id)));
  77  ?>
  78  
  79  <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Frameset//EN" "http://www.w3.org/TR/html4/frameset.dtd">
  80  <html>
  81   <head>
  82    <meta http-equiv="content-type" content="text/html; charset=utf-8" />
  83    <title>
  84     <?php echo "$strchat: " . $courseshortname . ": ".
  85                format_string($chat->name, true, array('context' => $context)) . "$groupname" ?>
  86    </title>
  87   </head>
  88   <frameset cols="*,200" border="5" framespacing="no" frameborder="yes" marginwidth="2" marginheight="1">
  89    <frameset rows="0,0,*,50" border="0" framespacing="no" frameborder="no" marginwidth="2" marginheight="1">
  90     <frame src="../empty.php" name="empty" scrolling="no" marginwidth="0" marginheight="0">
  91     <frame src="<?php echo $updatemode ?>.php?<?php echo $params ?>" name="jsupdate" scrolling="no" marginwidth="0" marginheight="0">
  92     <frame src="chatmsg.php?<?php echo $params ?>" name="msg" scrolling="auto" marginwidth="2" marginheight="1">
  93     <frame src="chatinput.php?<?php echo $params ?>" name="input" scrolling="no" marginwidth="2" marginheight="1">
  94    </frameset>
  95    <frame src="users.php?<?php echo $params ?>" name="users" scrolling="auto" marginwidth="5" marginheight="5">
  96   </frameset>
  97   <noframes>
  98    Sorry, this version of Moodle Chat needs a browser that handles frames.
  99   </noframes>
 100  </html>