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', $chat->course)) {
  18         error('Could not find the course this belongs to!');
  19     }
  20
  21     if (!$cm = get_coursemodule_from_instance('chat', $chat->id, $course->id)) {
  22         error('Course Module ID was incorrect');
  23     }
  24
  25     require_login($course->id, false, $cm);
  26
  27     if (isguest()) {
  28         error('Guest does not have access to chat rooms');
  29     }
  30
  31     session_write_close();
  32
  33 /// Delete old users now
  34
  35     chat_delete_old_users();
  36
  37 /// Clean up the message
  38
  39     $chat_message = addslashes(clean_text(stripslashes($chat_message), FORMAT_MOODLE));  // Strip bad tags
  40
  41 /// Add the message to the database
  42
  43     if (!empty($chat_message)) {
  44
  45         $message = new object();
  46         $message->chatid = $chatuser->chatid;
  47         $message->userid = $chatuser->userid;
  48         $message->groupid = $chatuser->groupid;
  49         $message->message = $chat_message;
  50         $message->timestamp = time();
  51
  52         if (!insert_record('chat_messages', $message)) {
  53             error('Could not insert a chat message!');
  54         }
  55
  56         $chatuser->lastmessageping = time() - 2;
  57         update_record('chat_users', $chatuser);
  58
  59         if ($cm = get_coursemodule_from_instance('chat', $chat->id, $course->id)) {
  60             add_to_log($course->id, 'chat', 'talk', "view.php?id=$cm->id", $chat->id, $cm->id);
  61         }
  62     }
  63
  64     if ($chatuser->version == 'header_js') {
  65         /// force msg referesh ASAP
  66         if ($CFG->chat_normal_updatemode == 'jsupdated') {  // See bug MDL-6791
  67             echo '<script type="text/javascript">'.
  68                  "//<![CDATA[ \n".
  69                  '  parent.input.enableForm();'.
  70                  "//]]> \n".
  71                  '</script>';
  72         } else {
  73             echo '<script type="text/javascript">'.
  74                  "//<![CDATA[ \n".
  75                  '  parent.jsupdate.location.href = parent.jsupdate.document.anchors[0].href;'.
  76                  '  parent.input.enableForm();'.
  77                  "//]]> \n".
  78                  '</script>';
  79         }
  80     }
  81
  82     redirect('../empty.php');
  83 ?>