public function getCacheKey()
{
if (!$this->_isCacheActive()) {
parent::getCacheKey();
}
$_taxRateRequest = Mage::getModel('tax/calculation')->getRateRequest();
$_customer = Mage::getSingleton('customer/session')->getCustomer();
$this->_category = Mage::getSingleton('catalog/layer')->getCurrentCategory();
$_page = $this->getPage();
$toolbar = new Mage_Catalog_Block_Product_List_Toolbar();
$cacheKey = 'ProductView_' . $this->_category->getId() . '_' . $toolbar->getCurrentOrder() . '_' . $toolbar->getCurrentDirection() . '_' . $toolbar->getCurrentMode() . '_' . $toolbar->getCurrentPage() . '_' . $toolbar->getLimit() . '_' . Mage::App()->getStore()->getCode() . '_' . Mage::App()->getStore()->getCurrentCurrencyCode() . '_' . $_customer->getGroupId() . '_' . $_taxRateRequest->getCountryId() . "_" . $_taxRateRequest->getRegionId() . "_" . $_taxRateRequest->getPostcode() . "_" . $_taxRateRequest->getCustomerClassId() . "_" . Mage::registry('current_tag') . '_' . '';
/* ... layern navigation + search */
foreach (Mage::app()->getRequest()->getParams() as $key => $value) {
$cacheKey .= $key . '-' . $value . '_';
}
return $cacheKey;
}
