/**
* Set coupon code to address if $rule contains validated coupon
*
* @param Mage_Sales_Model_Quote_Address $address
* @param Mage_SalesRule_Model_Rule $rule
*
* @return Mage_SalesRule_Model_Validator
*/
protected function _maintainAddressCouponCode($address, $rule)
{
/*
Rule is a part of rules collection, which includes only rules with 'No Coupon' type or with validated coupon.
As a result, if rule uses coupon code(s) ('Specific' or 'Auto' Coupon Type), it always contains validated coupon
*/
if ($rule->getCoponType() != Mage_SalesRule_Model_Rule::COUPON_TYPE_NO_COUPON) {
$address->setCouponCode($this->getCouponCode());
}
return $this;
}
