ACTIONLOG.php

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<?php
/*
 * Nucleus: PHP/MySQL Weblog CMS (http://nucleuscms.org/)
 * Copyright (C) 2002-2007 The Nucleus Group
 *
 * 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.
 * (see nucleus/documentation/index.html#license for more info)
 */
define('ERROR',1);              // only errors
define('WARNING',2);    // errors and warnings
define('INFO',3);               // info, errors and warnings
define('DEBUG',4);              // everything
$CONF['LogLevel'] = INFO;

class ACTIONLOG {

        function add($level, $message) {
                global $member, $CONF;

                if ($CONF['LogLevel'] < $level)
                        return;

                if ($member && $member->isLoggedIn())
                        $message = "[" . $member->getDisplayName() . "] " . $message;

                $message = addslashes($message);                // add slashes
                $timestamp = date("Y-m-d H:i:s",time());        // format timestamp
                $query = "INSERT INTO " . sql_table('actionlog') . " (timestamp, message) VALUES ('$timestamp', '$message')";

                sql_query($query);

                ACTIONLOG::trimLog();
        }

        function clear() {
                global $manager;

                $query = 'DELETE FROM ' . sql_table('actionlog');

                $manager->notify('ActionLogCleared',array());

                return sql_query($query);
        }

        function trimLog() {
                static $checked = 0;

                // only check once per run
                if ($checked) return;

                // trim
                $checked = 1;

                $iTotal = quickQuery('SELECT COUNT(*) AS result FROM ' . sql_table('actionlog'));

                // if size > 500, drop back to about 250
                $iMaxSize = 500;
                $iDropSize = 250;
                if ($iTotal > $iMaxSize) {
                        $tsChop = quickQuery('SELECT timestamp as result FROM ' . sql_table('actionlog') . ' ORDER BY timestamp DESC LIMIT '.$iDropSize.',1');
                        sql_query('DELETE FROM ' . sql_table('actionlog') . ' WHERE timestamp < \'' . $tsChop . '\'');
                }

        }

}

?>

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