/**
* Set refunded reward amount order and update reward points balance if need
*
* @param Varien_Event_Observer $observer
* @return Enterprise_Reward_Model_Observer
*/
public function creditmemoSaveAfter(Varien_Event_Observer $observer)
{
/* @var $creditmemo Mage_Sales_Model_Order_Creditmemo */
$creditmemo = $observer->getEvent()->getCreditmemo();
/* @var $order Mage_Sales_Model_Order */
$order = $creditmemo->getOrder();
/* @var $helper Enterprise_Reward_Helper_Data */
$helper = Mage::helper('enterprise_reward');
$allowRewardPointsRefund = true;
if ($creditmemo->getAutomaticallyCreated()) {
if ($helper->isAutoRefundEnabled()) {
$creditmemo->setRewardPointsBalanceToRefund($creditmemo->getRewardPointsBalance());
} else {
$allowRewardPointsRefund = false;
}
}
if ($creditmemo->getBaseRewardCurrencyAmount() && $allowRewardPointsRefund) {
$order->setRewardPointsBalanceRefunded($order->getRewardPointsBalanceRefunded() + $creditmemo->getRewardPointsBalance());
$order->setRewardCurrencyAmountRefunded($order->getRewardCurrencyAmountRefunded() + $creditmemo->getRewardCurrencyAmount());
$order->setBaseRewardCurrencyAmountRefunded($order->getBaseRewardCurrencyAmountRefunded() + $creditmemo->getBaseRewardCurrencyAmount());
$order->setRewardPointsBalanceToRefund($order->getRewardPointsBalanceToRefund() + $creditmemo->getRewardPointsBalanceToRefund());
if ((int) $creditmemo->getRewardPointsBalanceToRefund() > 0) {
Mage::getModel('enterprise_reward/reward')->setCustomerId($order->getCustomerId())->setStore($order->getStoreId())->setPointsDelta((int) $creditmemo->getRewardPointsBalanceToRefund())->setAction(Enterprise_Reward_Model_Reward::REWARD_ACTION_CREDITMEMO)->setActionEntity($order)->save();
}
}
// Void reward points granted for refunded amount if there was any
$customerId = $order->getCustomerId();
$websiteId = Mage::app()->getStore($order->getStoreId())->getWebsiteId();
// @var $rewardHistoryCollection Enterprise_Reward_Model_Resource_Reward_History_Collection
$rewardHistoryCollection = Mage::getModel('enterprise_reward/reward_history')->getCollection();
$rewardHistoryCollection->addCustomerFilter($customerId)->addWebsiteFilter($websiteId)->addFilter('main_table.is_expired', 0)->addFilter('main_table.action', Enterprise_Reward_Model_Reward::REWARD_ACTION_ORDER_EXTRA);
$isOrderRewardedWithPoints = false;
/* @var $rewardHistoryRecord Enterprise_Reward_Model_Reward */
foreach ($rewardHistoryCollection as $rewardHistoryRecord) {
$additionalData = $rewardHistoryRecord->getAdditionalData();
if (isset($additionalData['increment_id']) && $additionalData['increment_id'] == $order->getIncrementId() && isset($additionalData['rate']['direction']) && $additionalData['rate']['direction'] == Enterprise_Reward_Model_Reward_Rate::RATE_EXCHANGE_DIRECTION_TO_POINTS && isset($additionalData['rate']['points']) && isset($additionalData['rate']['currency_amount'])) {
$isOrderRewardedWithPoints = true;
break;
}
}
unset($rewardHistoryCollection);
if ($isOrderRewardedWithPoints) {
/*
* Calculating amount of funds from total refunded amount for which reward points were acquired
* @see Enterprise_Reward_Model_Action_OrderExtra::getPoints()
*/
$rewardedAmountForWholeOrder = $order->getBaseGrandTotal() - $order->getBaseTaxAmount() - $order->getBaseShippingAmount();
$rewardedAmountRefunded = $order->getBaseTotalRefunded() - $order->getBaseTaxRefunded() - $order->getBaseShippingRefunded();
$rewardedAmountAfterRefund = $rewardedAmountForWholeOrder - $rewardedAmountRefunded;
/**
* Modify amount for which reward points should not be voided at refund
*/
$result = new Varien_Object();
$result->setRewardedAmountAfterRefund($rewardedAmountAfterRefund);
Mage::dispatchEvent('rewarded_amount_after_refund_calculation', array('creditmemo' => $creditmemo, 'result' => $result));
$rewardedAmountAfterRefund = $result->getRewardedAmountAfterRefund();
/**
* Calculating amount of points to void considering reward points exchange rate when they were granted
* @see Enterprise_Reward_Model_Reward_Rate::calculateToPoints()
*/
$estimatedRewardPointsAfterRefund = (int) ((string) $rewardedAmountAfterRefund / (string) $additionalData['rate']['currency_amount']) * $additionalData['rate']['points'];
$rewardPointsVoided = $rewardHistoryRecord->getPointsVoided();
$acquiredRewardPointsAvailableForVoid = $rewardHistoryRecord->getPointsDelta() - $rewardPointsVoided;
/*
* It's not allowed to void more points then were granted per this order.
* Used points at current history record are not taken into consideration -
* allowed to void from total amount if it's needed to void more then left at selected history record.
*/
if ($acquiredRewardPointsAvailableForVoid > $estimatedRewardPointsAfterRefund) {
$rewardPointsAmountToVoid = $acquiredRewardPointsAvailableForVoid - $estimatedRewardPointsAfterRefund;
} else {
$rewardPointsAmountToVoid = 0;
}
if ($rewardPointsAmountToVoid > 0) {
/* @var $reward Enterprise_Reward_Model_Reward */
$reward = Mage::getModel('enterprise_reward/reward')->setWebsiteId($websiteId)->setCustomerId($order->getCustomerId())->loadByCustomer();
$rewardPointsBalance = $reward->getPointsBalance();
if ($rewardPointsBalance > 0) {
// It's not allowed to void more points then is available for current customer
if ($rewardPointsAmountToVoid > $rewardPointsBalance) {
$rewardPointsAmountToVoid = $rewardPointsBalance;
}
if ($helper->getGeneralConfig('deduct_automatically')) {
$reward->setPointsDelta(-$rewardPointsAmountToVoid)->setAction(Enterprise_Reward_Model_Reward::REWARD_ACTION_CREDITMEMO_VOID)->setActionEntity($order)->updateRewardPoints();
if ($reward->getRewardPointsUpdated()) {
$order->addStatusHistoryComment($helper->__('%s was deducted because of refund.', $helper->formatReward($rewardPointsAmountToVoid)));
}
}
/*
* Config option deduct_automatically is not considered here because points for refunded amount that
* were not been voided automatically need to be counted in possible future automatic deductions.
*/
$rewardHistoryRecord->getResource()->updateHistoryRow($rewardHistoryRecord, array('points_voided' => $rewardPointsVoided + $rewardPointsAmountToVoid));
}
}
}
return $this;
}
