public function __toString()
{
if (JO_Registry::isRegistered('static_cache_options') && JO_Registry::forceGet('static_cache_enable')) {
$options = (array) unserialize(JO_Registry::get('static_cache_options'));
$cache_object = new JO_Cache_Static($options);
$cache_object->add(false, $this->data);
}
return $this->data;
}
public static function getCachingPage($tables = array())
{
$db = JO_Db::getDefaultAdapter();
$options = array('livetime' => 86400);
JO_Registry::set('static_cache_options', serialize($options));
JO_Registry::set('static_cache_enable', true);
$cache = new JO_Cache_Static($options);
$cache_make_time = $cache->getCacheFileMTime();
if (!$cache_make_time) {
return false;
}
$config_data = $db->getConfig();
$query1 = '';
foreach ($tables as $k => $table) {
$table = str_replace('`', '', $table);
$query1 .= $query1 ? ' OR ' : '';
if (strpos($table, '.') !== false) {
$query1 .= "(`TABLE_SCHEMA`='" . array_shift(explode('.', $table)) . "' AND `TABLE_NAME`='" . end(explode('.', $table)) . "')";
} else {
if (isset($config_data['dbname'])) {
$query1 .= "(";
if ($config_data['dbname']) {
$query1 .= "`TABLE_SCHEMA`='" . $config_data['dbname'] . "' AND ";
}
$query1 .= "`TABLE_NAME`='" . $table . "')";
}
}
}
if ($query1) {
$query1 = "(" . $query1 . ") AND `UPDATE_TIME`>'" . date("Y-m-d H:i:s", $cache_make_time) . "'";
$r = $db->fetchRow("SELECT UPDATE_TIME FROM " . self::$info_table . " WHERE {$query1} ORDER BY UPDATE_TIME DESC LIMIT 1");
if ($r && strtotime($r['UPDATE_TIME']) >= $cache->getCacheFileMTime()) {
return false;
} else {
if (date('Ymd', $cache->getCacheFileMTime()) < date('Ymd')) {
return false;
}
$response = JO_Response::getInstance();
$md5_file = md5_file($cache->getCacheFile());
$response->addHeader("Etag: " . $md5_file);
$response->addHeader("Last-Modified: " . gmdate("D, d M Y H:i:s", $cache_make_time) . " GMT");
$response->addHeader("Pragma: public");
$response->addHeader("Cache-store: server");
$response->appendBody($cache->get(), 9);
exit;
}
}
}
/**
* @param string $action
*/
public function dispatch($controller, $action, $param = '')
{
$request = $this->getRequest();
if ($action == 'error404') {
$request->setParams(array('controller' => 'error', 'action' => 'error404'));
}
$name = $controller;
$view = $this->initView();
$this->preDispatch();
if (null === $this->_classMethods) {
$this->_classMethods = get_class_methods($this);
}
$script = $action;
$action = $action . 'Action';
$throw = '';
if (in_array($action, $this->_classMethods)) {
// ob_start(array(new JO_Error, 'error_handler'));
ob_start(array(new JO_Error(), 'fatal_error_handler'));
$this->{$action}($param);
} else {
$displayExceptions = JO_Front::getInstance()->getParam('displayExceptions');
if ($displayExceptions) {
$throw = $this->call_error($action);
$layout = JO_Layout::getInstance();
$layout->content = '<pre>' . $throw . '<pre>';
$response = $layout->response();
return $this->getResponse()->appendBody($response);
} else {
if ($this->getRequest()->getForwarded() != 'error') {
$this->forward('error', 'error404');
} else {
$this->forward('JO_Action', 'error404');
}
}
}
$this->postDispatch();
if (!$this->getInvokeArg('noViewRenderer')) {
$layout = JO_Layout::getInstance();
if ($this->view_change) {
$script = $this->view_change;
}
$layout->content = $view->render($script, $script == 'error404' ? 'error' : $name);
if (JO_Registry::forceGet('viewSetCallback')) {
$layout->content = call_user_func(JO_Registry::forceGet('viewSetCallback'), $layout->content);
} elseif ($this->response_callback) {
$layout->content = call_user_func($this->response_callback, $layout->content);
}
if ($this->isChildren) {
return $layout->content;
} elseif ($this->noLayout) {
return $this->getResponse()->appendBody($layout->content);
} else {
$response = $layout->response();
if ($this->response_callback) {
$response = call_user_func($this->response_callback, $response);
}
if (JO_Registry::isRegistered('static_cache_options') && JO_Registry::forceGet('static_cache_enable')) {
$options = (array) unserialize(JO_Registry::get('static_cache_options'));
$cache_object = new JO_Cache_Static($options);
$cache_object->add(false, $response);
}
return $this->getResponse()->appendBody($response);
}
}
}