mod/chat/gui_header_js/insert.php

   1 <?php  // $Id$
   2
   3     include('../../../config.php');
   4     include('../lib.php');
   5
   6     $chat_sid     = required_param('chat_sid', PARAM_ALPHANUM);
   7     $chat_message = required_param('chat_message', PARAM_RAW);
   8
   9     if (!$chatuser = get_record('chat_users', 'sid', $chat_sid)) {
  10         error('Not logged in!');
  11     }
  12
  13     if (!$chat = get_record('chat', 'id', $chatuser->chatid)) {
  14         error('No chat found');
  15     }
  16
  17     if (!$course = get_record('course', 'id', $chat->course)) {
  18         error('Could not find the course this belongs to!');
  19     }
  20
  21     require_login($course->id);
  22
  23     if (isguest()) {
  24         error('Guest does not have access to chat rooms');
  25     }
  26
  27     session_write_close();
  28
  29 /// Delete old users now
  30
  31     chat_delete_old_users();
  32
  33 /// Clean up the message
  34
  35     $chat_message = addslashes(clean_text(stripslashes($chat_message), FORMAT_MOODLE));  // Strip bad tags
  36
  37 /// Add the message to the database
  38
  39     if (!empty($chat_message)) {
  40
  41         $message = new object();
  42         $message->chatid = $chatuser->chatid;
  43         $message->userid = $chatuser->userid;
  44         $message->groupid = $chatuser->groupid;
  45         $message->message = $chat_message;
  46         $message->timestamp = time();
  47
  48         if (!insert_record('chat_messages', $message)) {
  49             error('Could not insert a chat message!');
  50         }
  51
  52         $chatuser->lastmessageping = time() - 2;
  53         update_record('chat_users', $chatuser);
  54
  55         if ($cm = get_coursemodule_from_instance('chat', $chat->id, $course->id)) {
  56             add_to_log($course->id, 'chat', 'talk', "view.php?id=$cm->id", $chat->id, $cm->id);
  57         }
  58     }
  59
  60     if ($chatuser->version == 'header_js') {
  61         /// force msg referesh ASAP
  62         if ($CFG->chat_normal_updatemode == 'jsupdated') {  // See bug MDL-6791
  63             echo '<script type="text/javascript">'.
  64                  "//<![CDATA[ \n".
  65                  '  parent.input.enableForm();'.
  66                  "//]]> \n".
  67                  '</script>';
  68         } else {
  69             echo '<script type="text/javascript">'.
  70                  "//<![CDATA[ \n".
  71                  '  parent.jsupdate.location.href = parent.jsupdate.document.anchors[0].href;'.
  72                  '  parent.input.enableForm();'.
  73                  "//]]> \n".
  74                  '</script>';
  75         }
  76     }
  77
  78     redirect('../empty.php');
  79 ?>