/**
* Render placeholder tags around the block if needed
*
* @param Varien_Event_Observer $observer
* @return Enterprise_PageCache_Model_Observer
*/
public function renderBlockPlaceholder(Varien_Event_Observer $observer)
{
if (!$this->_isEnabled) {
return $this;
}
$block = $observer->getEvent()->getBlock();
$transport = $observer->getEvent()->getTransport();
$placeholder = $this->_config->getBlockPlaceholder($block);
if ($transport && $placeholder && !$block->getSkipRenderTag()) {
$blockHtml = $transport->getHtml();
$request = Mage::app()->getFrontController()->getRequest();
/** @var $processor Enterprise_PageCache_Model_Processor_Default */
$processor = $this->_processor->getRequestProcessor($request);
if ($processor && $processor->allowCache($request)) {
$container = $placeholder->getContainerClass();
if ($container && !Mage::getIsDeveloperMode()) {
$container = new $container($placeholder);
$container->setProcessor(Mage::getSingleton('enterprise_pagecache/processor'));
$container->setPlaceholderBlock($block);
$container->saveCache($blockHtml);
}
}
$blockHtml = $placeholder->getStartTag() . $blockHtml . $placeholder->getEndTag();
$transport->setHtml($blockHtml);
}
return $this;
}
/**
* Check when cache should be disabled
*
* @param Varien_Event_Observer $observer
* @return Enterprise_PageCache_Model_Observer
*/
public function processPreDispatch(Varien_Event_Observer $observer)
{
if (!$this->isCacheEnabled()) {
return $this;
}
$action = $observer->getEvent()->getControllerAction();
/* @var $request Mage_Core_Controller_Request_Http */
$request = $action->getRequest();
$noCache = $this->_getCookie()->get(Enterprise_PageCache_Model_Processor::NO_CACHE_COOKIE);
if ($noCache) {
Mage::getSingleton('catalog/session')->setParamsMemorizeDisabled(false);
$this->_getCookie()->renew(Enterprise_PageCache_Model_Processor::NO_CACHE_COOKIE);
} elseif ($action) {
Mage::getSingleton('catalog/session')->setParamsMemorizeDisabled(true);
}
/**
* Check if request will be cached
*/
if ($this->_processor->canProcessRequest($request) && $this->_processor->getRequestProcessor($request)) {
Mage::app()->getCacheInstance()->banUse(Mage_Core_Block_Abstract::CACHE_GROUP);
// disable blocks cache
}
$this->_getCookie()->updateCustomerCookies();
return $this;
}
