/** * Check whether product is already marked in store with tag * * @param Mage_Tag_Model_Tag_Relation $relationModel * @return boolean */ protected function _checkLinkBetweenTagProduct($relationModel) { $customerId = $relationModel->getCustomerId(); $relationModel->setCustomerId(null); $result = in_array($relationModel->getProductId(), $relationModel->getProductIds()); $relationModel->setCustomerId($customerId); return $result; }