/**
* Account for discounts in order create request.
*
* @see self::handleSalesConvertQuoteItemToOrderItem
* @see Mage_SalesRule_Model_Validator::process
* @see Order-Datatypes-Common-1.0.xsd:PromoDiscountSet
* @param Varien_Event_Observer
* @return void
*/
public function handleSalesRuleValidatorProcess(Varien_Event_Observer $observer)
{
/** @var Varien_Event $event */
$event = $observer->getEvent();
/** @var Mage_SalesRule_Model_Rule $rule */
$rule = $event->getRule();
/** @var Mage_Sales_Model_Quote $quote */
$quote = $event->getQuote();
/** @var Mage_Core_Model_Store $store */
$store = $quote->getStore();
/** @var Mage_Sales_Model_Quote_Item $item */
$item = $event->getItem();
$data = (array) $item->getEbayEnterpriseOrderDiscountData();
$ruleId = $rule->getId();
// Use the rule id to prevent duplicates.
$data[$ruleId] = ['amount' => $event->getResult()->getBaseDiscountAmount(), 'applied_count' => $event->getQty(), 'code' => $this->helper->getQuoteCouponCode($quote, $rule), 'description' => $rule->getStoreLabel($store) ?: $rule->getName(), 'effect_type' => $rule->getSimpleAction(), 'id' => $ruleId];
$item->setEbayEnterpriseOrderDiscountData($data);
}
