279 Zeilen
8,1 KiB
PHP
279 Zeilen
8,1 KiB
PHP
<?php
|
|
/**
|
|
* Zend Framework
|
|
*
|
|
* LICENSE
|
|
*
|
|
* This source file is subject to the new BSD license that is bundled
|
|
* with this package in the file LICENSE.txt.
|
|
* It is also available through the world-wide-web at this URL:
|
|
* http://framework.zend.com/license/new-bsd
|
|
* If you did not receive a copy of the license and are unable to
|
|
* obtain it through the world-wide-web, please send an email
|
|
* to license@zend.com so we can send you a copy immediately.
|
|
*
|
|
* @category Zend
|
|
* @package Zend_Controller
|
|
* @copyright Copyright (c) 2005-2011 Zend Technologies USA Inc. (http://www.zend.com)
|
|
* @license http://framework.zend.com/license/new-bsd New BSD License
|
|
* @version $Id$
|
|
*/
|
|
|
|
/**
|
|
* @see Zend_Controller_Action_Helper_Abstract
|
|
*/
|
|
require_once 'Zend/Controller/Action/Helper/Abstract.php';
|
|
|
|
/**
|
|
* @see Zend_Controller_Action_Exception
|
|
*/
|
|
require_once 'Zend/Controller/Action/Exception.php';
|
|
|
|
/**
|
|
* @see Zend_Cache_Manager
|
|
*/
|
|
require_once 'Zend/Cache/Manager.php';
|
|
|
|
/**
|
|
* @category Zend
|
|
* @package Zend_Controller
|
|
* @copyright Copyright (c) 2005-2011 Zend Technologies USA Inc. (http://www.zend.com)
|
|
* @license http://framework.zend.com/license/new-bsd New BSD License
|
|
*/
|
|
class Zend_Controller_Action_Helper_Cache
|
|
extends Zend_Controller_Action_Helper_Abstract
|
|
{
|
|
|
|
/**
|
|
* Local Cache Manager object used by Helper
|
|
*
|
|
* @var Zend_Cache_Manager
|
|
*/
|
|
protected $_manager = null;
|
|
|
|
/**
|
|
* Indexed map of Actions to attempt Page caching on by Controller
|
|
*
|
|
* @var array
|
|
*/
|
|
protected $_caching = array();
|
|
|
|
/**
|
|
* Indexed map of Tags by Controller and Action
|
|
*
|
|
* @var array
|
|
*/
|
|
protected $_tags = array();
|
|
|
|
/**
|
|
* Indexed map of Extensions by Controller and Action
|
|
*
|
|
* @var array
|
|
*/
|
|
protected $_extensions = array();
|
|
|
|
/**
|
|
* Track output buffering condition
|
|
*/
|
|
protected $_obStarted = false;
|
|
|
|
/**
|
|
* Tell the helper which actions are cacheable and under which
|
|
* tags (if applicable) they should be recorded with
|
|
*
|
|
* @param array $actions
|
|
* @param array $tags
|
|
* @return void
|
|
*/
|
|
public function direct(array $actions, array $tags = array(), $extension = null)
|
|
{
|
|
$controller = $this->getRequest()->getControllerName();
|
|
$actions = array_unique($actions);
|
|
if (!isset($this->_caching[$controller])) {
|
|
$this->_caching[$controller] = array();
|
|
}
|
|
if (!empty($tags)) {
|
|
$tags = array_unique($tags);
|
|
if (!isset($this->_tags[$controller])) {
|
|
$this->_tags[$controller] = array();
|
|
}
|
|
}
|
|
foreach ($actions as $action) {
|
|
$this->_caching[$controller][] = $action;
|
|
if (!empty($tags)) {
|
|
$this->_tags[$controller][$action] = array();
|
|
foreach ($tags as $tag) {
|
|
$this->_tags[$controller][$action][] = $tag;
|
|
}
|
|
}
|
|
}
|
|
if ($extension) {
|
|
if (!isset($this->_extensions[$controller])) {
|
|
$this->_extensions[$controller] = array();
|
|
}
|
|
foreach ($actions as $action) {
|
|
$this->_extensions[$controller][$action] = $extension;
|
|
}
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Remove a specific page cache static file based on its
|
|
* relative URL from the application's public directory.
|
|
* The file extension is not required here; usually matches
|
|
* the original REQUEST_URI that was cached.
|
|
*
|
|
* @param string $relativeUrl
|
|
* @param bool $recursive
|
|
* @return mixed
|
|
*/
|
|
public function removePage($relativeUrl, $recursive = false)
|
|
{
|
|
$cache = $this->getCache(Zend_Cache_Manager::PAGECACHE);
|
|
if ($recursive) {
|
|
$backend = $cache->getBackend();
|
|
if (($backend instanceof Zend_Cache_Backend)
|
|
&& method_exists($backend, 'removeRecursively')
|
|
) {
|
|
return $backend->removeRecursively($relativeUrl);
|
|
}
|
|
}
|
|
|
|
return $cache->remove($relativeUrl);
|
|
}
|
|
|
|
/**
|
|
* Remove a specific page cache static file based on its
|
|
* relative URL from the application's public directory.
|
|
* The file extension is not required here; usually matches
|
|
* the original REQUEST_URI that was cached.
|
|
*
|
|
* @param array $tags
|
|
* @return mixed
|
|
*/
|
|
public function removePagesTagged(array $tags)
|
|
{
|
|
return $this->getCache(Zend_Cache_Manager::PAGECACHE)
|
|
->clean(Zend_Cache::CLEANING_MODE_MATCHING_ANY_TAG, $tags);
|
|
}
|
|
|
|
/**
|
|
* Commence page caching for any cacheable actions
|
|
*
|
|
* @return void
|
|
*/
|
|
public function preDispatch()
|
|
{
|
|
$controller = $this->getRequest()->getControllerName();
|
|
$action = $this->getRequest()->getActionName();
|
|
$stats = ob_get_status(true);
|
|
foreach ($stats as $status) {
|
|
if ($status['name'] == 'Zend_Cache_Frontend_Page::_flush'
|
|
|| $status['name'] == 'Zend_Cache_Frontend_Capture::_flush') {
|
|
$obStarted = true;
|
|
}
|
|
}
|
|
if (!isset($obStarted) && isset($this->_caching[$controller]) &&
|
|
in_array($action, $this->_caching[$controller])) {
|
|
$reqUri = $this->getRequest()->getRequestUri();
|
|
$tags = array();
|
|
if (isset($this->_tags[$controller][$action])
|
|
&& !empty($this->_tags[$controller][$action])) {
|
|
$tags = array_unique($this->_tags[$controller][$action]);
|
|
}
|
|
$extension = null;
|
|
if (isset($this->_extensions[$controller][$action])) {
|
|
$extension = $this->_extensions[$controller][$action];
|
|
}
|
|
$this->getCache(Zend_Cache_Manager::PAGECACHE)
|
|
->start($this->_encodeCacheId($reqUri), $tags, $extension);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Encode a Cache ID as hexadecimal. This is a workaround because Backend ID validation
|
|
* is trapped in the Frontend classes. Will try to get this reversed for ZF 2.0
|
|
* because it's a major annoyance to have IDs so restricted!
|
|
*
|
|
* @return string
|
|
* @param string $requestUri
|
|
*/
|
|
protected function _encodeCacheId($requestUri)
|
|
{
|
|
return bin2hex($requestUri);
|
|
}
|
|
|
|
/**
|
|
* Set an instance of the Cache Manager for this helper
|
|
*
|
|
* @param Zend_Cache_Manager $manager
|
|
* @return void
|
|
*/
|
|
public function setManager(Zend_Cache_Manager $manager)
|
|
{
|
|
$this->_manager = $manager;
|
|
return $this;
|
|
}
|
|
|
|
/**
|
|
* Get the Cache Manager instance or instantiate the object if not
|
|
* exists. Attempts to load from bootstrap if available.
|
|
*
|
|
* @return Zend_Cache_Manager
|
|
*/
|
|
public function getManager()
|
|
{
|
|
if ($this->_manager !== null) {
|
|
return $this->_manager;
|
|
}
|
|
$front = Zend_Controller_Front::getInstance();
|
|
if ($front->getParam('bootstrap')
|
|
&& $front->getParam('bootstrap')->getResource('CacheManager')) {
|
|
return $front->getParam('bootstrap')
|
|
->getResource('CacheManager');
|
|
}
|
|
$this->_manager = new Zend_Cache_Manager;
|
|
return $this->_manager;
|
|
}
|
|
|
|
/**
|
|
* Return a list of actions for the current Controller marked for
|
|
* caching
|
|
*
|
|
* @return array
|
|
*/
|
|
public function getCacheableActions()
|
|
{
|
|
return $this->_caching;
|
|
}
|
|
|
|
/**
|
|
* Return a list of tags set for all cacheable actions
|
|
*
|
|
* @return array
|
|
*/
|
|
public function getCacheableTags()
|
|
{
|
|
return $this->_tags;
|
|
}
|
|
|
|
/**
|
|
* Proxy non-matched methods back to Zend_Cache_Manager where
|
|
* appropriate
|
|
*
|
|
* @param string $method
|
|
* @param array $args
|
|
* @return mixed
|
|
*/
|
|
public function __call($method, $args)
|
|
{
|
|
if (method_exists($this->getManager(), $method)) {
|
|
return call_user_func_array(
|
|
array($this->getManager(), $method), $args
|
|
);
|
|
}
|
|
throw new Zend_Controller_Action_Exception('Method does not exist:'
|
|
. $method);
|
|
}
|
|
|
|
}
|