<?php
/************************************************************************
 * MXChange v0.2.1                                    Start: 12/18/2008 *
 * ================                             Last change: 12/18/2008 *
 *                                                                      *
 * -------------------------------------------------------------------- *
 * File              : online_functions.php                             *
 * -------------------------------------------------------------------- *
 * Short description : Online functions                                 *
 * -------------------------------------------------------------------- *
 * Kurzbeschreibung  : Online-Funktionen                                *
 * -------------------------------------------------------------------- *
 * $Revision::                                                        $ *
 * $Date::                                                            $ *
 * $Tag:: 0.2.1-FINAL                                                 $ *
 * $Author::                                                          $ *
 * Needs to be in all Files and every File needs "svn propset           *
 * svn:keywords Date Revision" (autoprobset!) at least!!!!!!            *
 * -------------------------------------------------------------------- *
 * Copyright (c) 2003 - 2008 by Roland Haeder                           *
 * For more information visit: http://www.mxchange.org                  *
 *                                                                      *
 * This program is free software; you can redistribute it and/or modify *
 * it under the terms of the GNU General Public License as published by *
 * the Free Software Foundation; either version 2 of the License, or    *
 * (at your option) any later version.                                  *
 *                                                                      *
 * This program is distributed in the hope that it will be useful,      *
 * but WITHOUT ANY WARRANTY; without even the implied warranty of       *
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the        *
 * GNU General Public License for more details.                         *
 *                                                                      *
 * You should have received a copy of the GNU General Public License    *
 * along with this program; if not, write to the Free Software          *
 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston,               *
 * MA  02110-1301  USA                                                  *
 ************************************************************************/

// Some security stuff...
if (!defined('__SECURITY')) {
	$INC = substr(dirname(__FILE__), 0, strpos(dirname(__FILE__), "/inc") + 4) . "/security.php";
	require($INC);
}

// Filter for updates/extends on the online list
function FILTER_UPDATE_ONLINE_LIST () {
	// Do not update online list when extension is deactivated
	if (!EXT_IS_ACTIVE("online", true)) return;

	// Empty session?
	if (session_id() == "") {
		// This is invalid here!
		debug_report_bug("Invalid session.");
	} // END - if

	// Initialize variables
	$uid = 0; $rid = 0; $MEM = "N"; $ADMIN = "N";

	// Valid userid?
	if ((isUserIdSet()) && (getUserId() > 0) && (IS_MEMBER())) {
		// Is valid user
		$uid = getUserId();
		$MEM = "Y";
	} // END - if

	if (IS_ADMIN()) {
		// Is administrator
		$ADMIN = "Y";
	} // END - if

	if (!empty($GLOBALS['refid'])) {
		// Read cookie
		$rid = bigintval($GLOBALS['refid']);
	} // END - if

	// Now search for the user
	$result = SQL_QUERY_ESC("SELECT timestamp FROM `{!_MYSQL_PREFIX!}_online` WHERE sid='%s' LIMIT 1",
		array(session_id()), __FUNCTION__, __LINE__);

	// Entry found?
	if (SQL_NUMROWS($result) == 1) {
		// Then update it
		SQL_QUERY_ESC("UPDATE `{!_MYSQL_PREFIX!}_online` SET
`module`='%s',
`action`='%s',
`what`='%s',
userid=%s,
refid=%s,
is_member='%s',
is_admin='%s',
timestamp=UNIX_TIMESTAMP(),
ip='%s'
WHERE sid='%s' LIMIT 1",
			array(
				$GLOBALS['module'],
				$GLOBALS['action'],
				$GLOBALS['what'],
				$uid,
				$rid,
				$MEM,
				$ADMIN,
				GET_REMOTE_ADDR(),
				session_id()
			), __FUNCTION__, __LINE__
		);
	} else {
		// No entry does exists so we simply add it!
		SQL_QUERY_ESC("INSERT INTO `{!_MYSQL_PREFIX!}_online` (module, action, what, userid, refid, is_member, is_admin, timestamp, sid, ip) VALUES ('%s','%s','%s', %s, %s, '%s','%s', UNIX_TIMESTAMP(), '%s','%s')",
			array(
				$GLOBALS['module'],
				$GLOBALS['action'],
				$GLOBALS['what'],
				$uid,
				$rid,
				$MEM,
				$ADMIN,
				session_id(),
				GET_REMOTE_ADDR()
			), __FUNCTION__, __LINE__
		);
	}

	// Free result
	SQL_FREERESULT($result);

	// Purge old entries
	SQL_QUERY_ESC("DELETE LOW_PRIORITY FROM `{!_MYSQL_PREFIX!}_online` WHERE timestamp <= (UNIX_TIMESTAMP() - %s)",
		array(getConfig('online_timeout')), __FUNCTION__, __LINE__);
}

//
?>