/**
* Add coupon to cart
*/
public function postAction()
{
$quote = $this->_getQuote();
if ($quote->getItemsCount()) {
try {
$couponCode = (string) $this->getRequest()->getParam('coupon_code');
$oldCouponCode = $quote->getCouponCode();
$this->couponService->addCoupon($quote, $couponCode);
$newCouponCode = $quote->getCouponCode();
$foundInOldCoupon = stristr($oldCouponCode, $couponCode) !== false;
$foundInNewCoupon = stristr($newCouponCode, $couponCode) !== false;
$hasCouponChanged = $foundInOldCoupon === false && $foundInNewCoupon === true;
if ($hasCouponChanged) {
$this->_getSession()->addSuccess($this->__('Coupon code "%s" was applied.', Mage::helper('core')->escapeHtml($couponCode)));
} else {
$this->_getSession()->addError($this->__('Coupon code "%s" is not valid.', Mage::helper('core')->escapeHtml($couponCode)));
}
} catch (Mage_Core_Exception $e) {
$this->_getSession()->addError($e->getMessage());
} catch (Exception $e) {
$this->_getSession()->addError($this->__('Cannot apply the coupon code.'));
Mage::logException($e);
}
}
$this->_goBack();
}
/**
* @param Varien_Event_Observer $observer
* this observer event contains:
* - 'order_create_model' => Mage_Adminhtml_Model_Sales_Order_Create
* - 'request_model' => Mage_Core_Controller_Request_Http
* - 'session' => Mage_Adminhtml_Model_Session_Quote
*/
public function handleAdminCouponAdd(Varien_Event_Observer $observer)
{
$event = $observer->getEvent();
/** @var Mage_Core_Controller_Request_Http $request */
$request = $event->getRequestModel();
$order = $request->getPost('order');
if (isset($order['coupon']['code'])) {
/** @var Mage_Adminhtml_Model_Session_Quote $session */
$session = $event->getSession();
$quote = $session->getQuote();
if (isset($order['coupon']['remove'])) {
$this->couponService->removeCoupon($quote, $order['coupon']['code']);
} else {
$this->couponService->addCoupon($quote, $order['coupon']['code']);
}
// Remove coupon from the request.
// - see Mage_Adminhtml_Model_Sales_Order_Create::importPostData
unset($order['coupon']);
$request->setPost('order', $order);
}
}