+ − <?php
+ − /*
+ − Plugin Name: Who's Online
+ − Plugin URI: javascript: // No URL yet, stay tuned!
+ − Description: This plugin tracks who is currently online. 3 queries per page request. This plugin works ONLY with MySQL and will likely be difficult to port because it uses unique indices and the REPLACE command.
+ − Author: Dan Fuhry
+ − Version: 0.1
+ − Author URI: http://www.enanocms.org/
+ − */
+ −
+ − /*
+ − * Who's Online plugin for Enano
+ − * Version 0.1
+ − * Copyright (C) 2007 Dan Fuhry
+ − *
+ − * This program is Free Software; you can redistribute 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 details.
+ − */
+ −
+ − global $whos_online;
+ − $whos_online = Array('not_yet_initialized');
+ −
+ − // First things first - create the table if needed
+ − $ver = getConfig('whos_online_version');
+ − if($ver != '0.1')
+ − {
+ − if(!
+ − $db->sql_query('DROP TABLE IF EXISTS '.table_prefix.'online;')
+ − ) $db->_die('Could not clean out old who\'s-online table');
+ − // The key on username allows the REPLACE command later, to save queries
+ − if(!$db->sql_query('CREATE TABLE '.table_prefix.'online(
+ − entry_id int(12) UNSIGNED NOT NULL auto_increment,
+ − user_id int(12) NOT NULL,
+ − username varchar(63) NOT NULL,
+ − last_load int(12) NOT NULL,
+ − PRIMARY KEY ( entry_id ),
+ − KEY ( username )
+ − );')
+ − ) $db->_die('Could not create new who\'s-online table');
+ − if(!$db->sql_query('CREATE UNIQUE INDEX '.table_prefix.'onluser ON '.table_prefix.'online(username);'))
+ − $db->_die('Could not create index on username column.');
+ − setConfig('whos_online_version', '0.1');
+ − }
+ −
+ − $plugins->attachHook('session_started', '__WhosOnline_UserCount();');
+ − $plugins->attachHook('login_success', '__WhosOnline_logonhandler();');
+ − $plugins->attachHook('logout_success', '__WhosOnline_logoffhandler($ou, $oid, $level);');
+ −
+ − function __WhosOnline_UserCount()
+ − {
+ − global $db, $session, $paths, $template, $plugins; // Common objects
+ − global $whos_online;
+ − $whos_online = Array();
+ − $whos_online['users'] = Array();
+ − $whos_online['guests'] = Array();
+ − $q = $db->sql_query('REPLACE INTO '.table_prefix.'online SET user_id='.$session->user_id.',username=\''.$db->escape($session->username).'\',last_load='.time().';'); if(!$q) $db->_die('');
+ − $q = $db->sql_query('DELETE FROM '.table_prefix.'online WHERE last_load<'.( time() - 60*60*24 ).';'); if(!$q) $db->_die('');
+ − $q = $db->sql_query('SELECT o.username,o.user_id,u.user_level FROM '.table_prefix.'online AS o
+ − LEFT JOIN '.table_prefix.'users AS u
+ − ON u.user_id=o.user_id
+ − WHERE last_load>'.( time() - 60*5 - 1 ).' ORDER BY username ASC'); if(!$q) $db->_die('');
+ − $num_guests = 0;
+ − $num_users = 0;
+ − $users = Array();
+ − while ( $row = $db->fetchrow() )
+ − {
+ − ( $row['user_id'] == 1 ) ? $num_guests++ : $num_users++;
+ − if($row['user_id'] > 1)
+ − {
+ − switch($row['user_level'])
+ − {
+ − case USER_LEVEL_MEMBER:
+ − default:
+ − $color = '303030';
+ − $weight = 'normal';
+ − break;
+ − case USER_LEVEL_MOD:
+ − $color = '00AA00';
+ − $weight = 'bold';
+ − break;
+ − case USER_LEVEL_ADMIN:
+ − $color = 'AA0000';
+ − $weight = 'bold';
+ − break;
+ − }
+ − $users[] = "<a href='".makeUrlNS('User', str_replace(' ', '_', $row['username']))."' style='color: #$color; font-weight: $weight'>{$row['username']}</a>";
+ − $whos_online['users'][] = $row['username'];
+ − }
+ − else
+ − {
+ − $whos_online['guests'][] = $row['username'];
+ − }
+ − }
+ − $total = $num_guests + $num_users;
+ − $ms = ( $num_users == 1 ) ? '' : 's';
+ − $gs = ( $num_guests == 1 ) ? '' : 's';
+ − $ts = ( $total == 1 ) ? '' : 's';
+ − $is_are = ( $total == 1 ) ? 'is' : 'are';
+ − $users = implode(', ', $users);
+ − $online_main = ( $num_users > 0 ) ? "<br />
+ − Users online right now:
+ − <div style='max-height: 100px; clip: rect(0px,auto,auto,0px); overflow: auto;'>
+ − $users
+ − </div>
+ − Legend:<br /><span style='color: #00AA00; font-weight: bold;'>Moderators</span> :: <span style='color: #AA0000; font-weight: bold;'>Administrators</span>"
+ − : '';
+ − $html = "<div style='padding: 5px;'>
+ − <small>
+ − There $is_are <b>$total</b> user$ts online :: <b>$num_guests</b> guest$gs and <b>$num_users</b> member$ms
+ − $online_main
+ − </small>
+ − </div>";
+ − $template->sidebar_widget('Who\'s Online', $html);
+ − }
+ −
+ − function __WhosOnline_logonhandler()
+ − {
+ − global $db, $session, $paths, $template, $plugins; // Common objects
+ − $q = $db->sql_query('DELETE FROM '.table_prefix.'online WHERE user_id=1 AND username=\''.$db->escape($_SERVER['REMOTE_ADDR']).'\';');
+ − if(!$q)
+ − echo $db->get_error();
+ − if(!$session->theme)
+ − $session->register_guest_session();
+ − $template->load_theme($session->theme, $session->style);
+ − __WhosOnline_UserCount();
+ − }
+ −
+ − function __WhosOnline_logoffhandler($username, $user_id, $level)
+ − {
+ − if($level <= USER_LEVEL_MEMBER)
+ − {
+ − global $db, $session, $paths, $template, $plugins; // Common objects
+ − $q = $db->sql_query('DELETE FROM '.table_prefix.'online WHERE user_id=\''.intval($user_id).'\' AND username=\''.$db->escape($username).'\';');
+ − if(!$q)
+ − echo $db->get_error();
+ − $q = $db->sql_query('REPLACE INTO '.table_prefix.'online SET user_id=1,username=\''.$db->escape($_SERVER['REMOTE_ADDR']).'\',last_load='.time().';'); if(!$q) $db->_die('');
+ − if(!$q)
+ − echo $db->get_error();
+ − }
+ − }
+ −
+ − ?>