/**
* Add "hidden" discount and shipping tax
*
* Go ahead, try to understand ]:->
*
* Tax settings for getting "discount tax":
* - Catalog Prices = Including Tax
* - Apply Customer Tax = After Discount
* - Apply Discount on Prices = Including Tax
*
* Test case for getting "hidden shipping tax":
* - Make sure shipping is taxable (set shipping tax class)
* - Catalog Prices = Including Tax
* - Shipping Prices = Including Tax
* - Apply Customer Tax = After Discount
* - Create a shopping cart price rule with % discount applied to the Shipping Amount
* - run shopping cart and estimate shipping
* - go to PayPal
*
* @param Mage_Core_Model_Abstract $salesEntity
*/
private function _applyHiddenTaxWorkaround($salesEntity)
{
if (!Mage::helper('imagecc')->isActive()) {
return parent::_applyHiddenTaxWorkaround($salesEntity);
}
$this->_totals[self::TOTAL_TAX] += (double) $salesEntity->getHiddenTaxAmount();
$this->_totals[self::TOTAL_TAX] += (double) $salesEntity->getShippingHiddenTaxAmount();
}
