public function getCacheTags()
{
if (!$this->_isCacheActive()) {
return parent::getCacheTags();
}
$cacheTags = array(Mage_Catalog_Model_Category::CACHE_TAG, Mage_Catalog_Model_Category::CACHE_TAG . '_' . $this->_category->getId());
foreach ($this->_getProductCollection() as $_product) {
$cacheTags[] = Mage_Catalog_Model_Product::CACHE_TAG . "_" . $_product->getId();
}
return $cacheTags;
}
/**
* Retrieve block cache tags based on product collection
*
* @return array
*/
public function getCacheTags()
{
return array_merge(parent::getCacheTags(), $this->getItemsTags($this->_getProductCollection()));
}
