mirror of
https://github.com/slawkens/myaac.git
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129 lines
3.3 KiB
PHP
129 lines
3.3 KiB
PHP
<?php
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/**
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* Visitors class
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*
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* @package MyAAC
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* @author Slawkens <slawkens@gmail.com>
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* @copyright 2017 MyAAC
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* @version 0.6.6
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* @link http://my-aac.org
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*/
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defined('MYAAC') or die('Direct access not allowed!');
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class Visitors
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{
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private $sessionTime; // time session will live
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private $data; // cached data
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private $cacheEnabled;
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public function __construct($sessionTime = 10)
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{
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global $cache;
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$this->cacheEnabled = ($cache && $cache->enabled());
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if($this->cacheEnabled)
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{
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$tmp = '';
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if($cache->fetch('visitors', $tmp))
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$this->data = unserialize($tmp);
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else
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$this->data = array();
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}
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$this->sessionTime = $sessionTime;
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$this->cleanVisitors();
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$ip = $_SERVER['REMOTE_ADDR'];
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if($this->visitorExists($ip))
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$this->updateVisitor($ip, $_SERVER['REQUEST_URI']);
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else
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$this->addVisitor($ip, $_SERVER['REQUEST_URI']);
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}
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public function __destruct()
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{
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global $cache;
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if($this->cacheEnabled)
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$cache->set('visitors', serialize($this->data), 120);
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}
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public function visitorExists($ip)
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{
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if($this->cacheEnabled) {
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return isset($this->data[$ip]);
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}
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global $db;
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$users = $db->query('SELECT COUNT(`ip`) as count FROM `' . TABLE_PREFIX . 'visitors' . '` WHERE ' . $db->fieldName('ip') . ' = ' . $db->quote($ip))->fetch();
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return ($users['count'] > 0);
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}
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private function cleanVisitors()
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{
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if($this->cacheEnabled)
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{
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$timeNow = time();
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foreach($this->data as $ip => $details)
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{
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if($timeNow - (int)$details['lastvisit'] > $this->sessionTime * 60)
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unset($this->data[$ip]);
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}
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return;
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}
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global $db;
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$db->query('DELETE FROM ' . $db->tableName(TABLE_PREFIX . 'visitors') . ' WHERE ' . $db->fieldName('lastvisit') . ' < ' . (time() - $this->sessionTime * 60));
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}
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private function updateVisitor($ip, $page)
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{
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if($this->cacheEnabled) {
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$this->data[$ip] = array('page' => $page, 'lastvisit' => time());
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return;
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}
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global $db;
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$db->query('UPDATE ' . $db->tableName(TABLE_PREFIX . 'visitors') . ' SET ' . $db->fieldName('lastvisit') . ' = ' . time() . ', ' . $db->fieldName('page') . ' = ' . $db->quote($page) . ' WHERE ' . $db->fieldName('ip') . ' = ' . $db->quote($ip));
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}
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private function addVisitor($ip, $page)
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{
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if($this->cacheEnabled) {
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$this->data[$ip] = array('page' => $page, 'lastvisit' => time());
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return;
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}
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global $db;
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$db->query('INSERT INTO ' . $db->tableName(TABLE_PREFIX . 'visitors') . ' (' . $db->fieldName('ip') . ' ,' . $db->fieldName('lastvisit') . ', ' . $db->fieldName('page') . ') VALUE (' . $db->quote($ip) . ', ' . time() . ', ' . $db->quote($page) . ')');
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}
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public function getVisitors()
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{
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if($this->cacheEnabled) {
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foreach($this->data as $ip => &$details)
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$details['ip'] = $ip;
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return $this->data;
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}
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global $db;
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return $db->query('SELECT ' . $db->fieldName('ip') . ', ' . $db->fieldName('lastvisit') . ', ' . $db->fieldName('page') . ' FROM ' . $db->tableName(TABLE_PREFIX . 'visitors') . ' ORDER BY ' . $db->fieldName('lastvisit') . ' DESC')->fetchAll();
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}
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public function getAmountVisitors()
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{
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if($this->cacheEnabled) {
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return count($this->data);
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}
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global $db;
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$users = $db->query('SELECT COUNT(`ip`) as count FROM `' . TABLE_PREFIX . 'visitors`')->fetch();
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return $users['count'];
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}
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public function show() {
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echo $this->getAmountVisitors();
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}
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}
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?>
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