rhymix/modules/session/session.model.php
dragan-dan 70a69ff4fe Caching implementation for objects
git-svn-id: http://xe-core.googlecode.com/svn/branches/1.5.0@8745 201d5d3c-b55e-5fd7-737f-ddc643e51545
2011-08-10 17:47:59 +00:00

100 lines
3.7 KiB
PHP

<?php
/**
* @class sessionModel
* @author NHN (developers@xpressengine.com)
* @brief The Model class of the session module
**/
class sessionModel extends session {
/**
* @brief Initialization
**/
function init() {
}
function getLifeTime() {
return $this->lifetime;
}
function read($session_key) {
if(!$session_key || !$this->session_started) return;
$oCacheHandler = &CacheHandler::getInstance('object');
if($oCacheHandler->isSupport()){
$cache_key = 'object:'.$session_key;
$output->data = $oCacheHandler->get($cache_key);
}
if(!$output->data) {
$args->session_key = $session_key;
$columnList = array('session_key', 'cur_mid', 'val');
$output = executeQuery('session.getSession', $args, $columnList);
// Confirm there is a table created if read error occurs
if(!$output->toBool()) {
$oDB = &DB::getInstance();
if(!$oDB->isTableExists('session')) $oDB->createTableByXmlFile($this->module_path.'schemas/session.xml');
if(!$oDB->isColumnExists("session","cur_mid")) $oDB->addColumn('session',"cur_mid","varchar",128);
$output = executeQuery('session.getSession', $args);
}
// Check if there is a table created in case there is no "cur_mid" value in the sessions information
if(!isset($output->data->cur_mid)) {
$oDB = &DB::getInstance();
if(!$oDB->isColumnExists("session","cur_mid")) $oDB->addColumn('session',"cur_mid","varchar",128);
}
}
return $output->data->val;
}
/**
* @brief Get a list of currently connected users
* Requires "object" argument because multiple arguments are expected
* limit_count : the number of objects
* page : the page number
* period_time: "n" specifies the time range in minutes since the last update
* mid: a user who belong to a specified mid
**/
function getLoggedMembers($args) {
if(!$args->site_srl) {
$site_module_info = Context::get('site_module_info');
$args->site_srl = (int)$site_module_info->site_srl;
}
if(!$args->list_count) $args->list_count = 20;
if(!$args->page) $args->page = 1;
if(!$args->period_time) $args->period_time = 3;
$args->last_update = date("YmdHis", time() - $args->period_time*60);
$output = executeQueryArray('session.getLoggedMembers', $args);
if(!$output->toBool()) return $output;
$member_srls = array();
if(count($output->data)) {
foreach($output->data as $key => $val) {
$member_srls[$key] = $val->member_srl;
$member_keys[$val->member_srl] = $key;
}
}
if(Context::get('is_logged')) {
$logged_info = Context::get('logged_info');
if(!in_array($logged_info->member_srl, $member_srls)) {
$member_srls[0] = $logged_info->member_srl;
$member_keys[$logged_info->member_srl] = 0;
}
}
if(!count($member_srls)) return $output;
$member_args->member_srl = implode(',',$member_srls);
$member_output = executeQueryArray('member.getMembers', $member_args);
if($member_output->data) {
foreach($member_output->data as $key => $val) {
$output->data[$member_keys[$val->member_srl]] = $val;
}
}
return $output;
}
}
?>