113 lines
3.6 KiB
PHP
113 lines
3.6 KiB
PHP
<?php
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$module["datacache"]["name"]="Datacache Module";
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$module["datacache"]["ver"]="0.1.0";
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/**
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* Project: astat - simple site engine
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* File: /inc/datacache.class.php
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*
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* @link http://www.astat.org SVN: $URL$
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* @copyright 2010 becast.at
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* @author Bernhard Jaud <bernhard at becast dot at>
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* @package astat core
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* @license http://opensource.org/licenses/gpl-license.php GNU Public License
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* @version $Id$
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*/
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class datacache {
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var $data = array();
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var $expires = array();
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function __construct(){
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global $config, $db;
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$res=$db->query('SELECT `cache`,`content`,`expire` FROM `' . $config['prefix'] . 'datacache`');
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while($row=$db->fetch_object($res)){
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$this->data[$row->cache]=@unserialize(base64_decode($row->content));
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$this->expires[$row->cache]=$row->expire;
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}
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}
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//Fetch userdata
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function read($cache){
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global $config, $db;
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if(isset($this->data[$cache]) && $this->data[$cache]){
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return $this->data[$cache];
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}else{
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$res=$db->query('SELECT `cache`,`content` FROM `' . $config['prefix'] . 'datacache` WHERE `cache`=\''.$db->escape($cache).'\' LIMIT 1') or die($db->error());
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$row=$db->fetch_row($res);
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if(!$row[0]){
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$data=false;
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}else{
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$data = @unserialize(base64_decode($row[1]));
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}
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return $data;
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}
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}
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function set($name,$data,$expires=0){
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global $db,$config;
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$data=base64_encode(serialize($data));
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$test=$this->read($name);
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if($test){
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$res=$db->query('UPDATE `' . $config['prefix'] . 'datacache` SET `content`=\''.$data.'\',`expire`=\''.$expires.'\' WHERE `cache`=\''.$db->escape($name).'\'');
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if($res){
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return true;
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}
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}else{
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$res=$db->query('INSERT INTO `' . $config['prefix'] . 'datacache` (`cache`,`content`,`expire`) VALUES (\''.$db->escape($name).'\',\''.$data.'\',\''.$expires.'\')');
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if($res){
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return true;
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}
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}
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return false;
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}
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function is_expired($name){
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global $db,$config;
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if(isset($this->expires[$name])){
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if($this->expires[$name]<time() && $this->expires[$name]!=0){
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return true;
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}else{
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return false;
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}
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}
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$res=$db->query('SELECT `cache` FROM `' . $config['prefix'] . 'datacache` WHERE `cache`=\''.$db->escape($name).'\' AND `expire`< \''.time().'\' AND `expire`<>\'0\' LIMIT 1');
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$row=$db->fetch_row($res);
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if($row[0]){
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return true;
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}
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return false;
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}
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function update_sidebars(){
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global $db,$config;
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$res = $db->query('SELECT `name`, `content`, `file` FROM `' . $config['prefix'] . 'navigation` WHERE `side`=\'l\' ORDER BY `sort`');
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while ($row=$db->fetch_row($res)){
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$nav['l'][]=array('name'=>$row[0],'content'=>$row[1],'file'=>$row[2]);
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}
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$res = $db->query('SELECT `name`, `content`, `file` FROM `' . $config['prefix'] . 'navigation` WHERE `side`=\'r\' ORDER BY `sort`');
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while ($row=$db->fetch_row($res)){
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$nav['r'][]=array('name'=>$row[0],'content'=>$row[1],'file'=>$row[2]);
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}
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$this->set('sidebar',$nav);
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}
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}
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?>
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