require_once api_get_path(SYS_CODE_PATH) . 'chat/chat_functions.lib.php';
echo saveMessage($_REQUEST['message'], api_get_user_id(), api_get_course_info(), api_get_session_id(), api_get_group_id(), true);
}
if (api_get_setting('allow_global_chat') == 'false') {
exit;
}
$to_user_id = isset($_REQUEST['to']) ? $_REQUEST['to'] : null;
$message = isset($_REQUEST['message']) ? $_REQUEST['message'] : null;
if (!isset($_SESSION['chatHistory'])) {
$_SESSION['chatHistory'] = array();
}
if (!isset($_SESSION['openChatBoxes'])) {
$_SESSION['openChatBoxes'] = array();
}
$chat = new Chat();
if (chat::disableChat()) {
exit;
}
if ($chat->is_chat_blocked_by_exercises()) {
// Disconnecting the user
$chat->setUserStatus(0);
exit;
}
switch ($action) {
case 'chatheartbeat':
$chat->heartbeat();
break;
case 'closechat':
$chat->close();
break;
case 'sendchat':
