function validateCoupon($values, $options = array())
{
$coupon_code = $values['coupon_code'];
$user_id = $values['user_id'];
// check if coupon code is valid
Citruscart::load('CitruscartHelperCoupon', 'helpers.coupon');
$helper_coupon = new CitruscartHelperCoupon();
$coupon = $helper_coupon->isValid($coupon_code, 'code', $user_id);
if (!$coupon) {
$this->setError($helper_coupon->getError());
return $this->check();
}
if (!empty($values['coupons']) && in_array($coupon->coupon_id, $values['coupons'])) {
$this->setError(JText::_('COM_CITRUSCART_THIS_COUPON_ALREADY_ADDED_TO_THE_ORDER'));
return $this->check();
}
// Check per product coupon code
if (!empty($values['cartitems']) && $coupon->coupon_type == '1') {
$ids = array();
foreach ($values['cartitems'] as $item) {
if (is_int($item)) {
$ids[] = $item;
} elseif (is_object($item)) {
$ids[] = $item->product_id;
}
}
if (!empty($ids)) {
if (!($check = $helper_coupon->checkByProductIds($coupon->coupon_id, $ids))) {
$this->setError(JText::_('COM_CITRUSCART_THIS_COUPON_NOT_RELATED_TO_PRODUCT_IN_YOUR_CART'));
return $this->check();
}
}
}
return $coupon;
}
/**
* Validate Coupon Code
*
* return unknown_type
*/
function validateCouponCode()
{
$input = JFactory::getApplication()->input;
JLoader::import('com_citruscart.library.json', JPATH_ADMINISTRATOR . '/components');
$elements = json_decode(preg_replace('/[\\n\\r]+/', '\\n', $input->getString('elements')));
// convert elements to array that can be binded
Citruscart::load('CitruscartHelperBase', 'helpers._base');
$helper = CitruscartHelperBase::getInstance();
$values = $helper->elementsToArray($elements);
$coupon_code = $input->get('coupon_code', '');
$response = array();
$response['msg'] = '';
$response['error'] = '';
// check if coupon code is valid
$user_id = $this->user->id;
Citruscart::load('CitruscartHelperCoupon', 'helpers.coupon');
$helper_coupon = new CitruscartHelperCoupon();
$coupon = $helper_coupon->isValid($coupon_code, 'code', $user_id);
if (!$coupon) {
$response['error'] = '1';
$response['msg'] = $helper->generateMessage($helper_coupon->getError());
echo json_encode($response);
return;
}
if (!empty($values['coupons']) && in_array($coupon->coupon_id, $values['coupons'])) {
$response['error'] = '1';
$response['msg'] = $helper->generateMessage(JText::_('COM_CITRUSCART_THIS_COUPON_ALREADY_ADDED_TO_THE_ORDER'));
echo json_encode($response);
return;
}
// TODO Check that the user can add this coupon to the order
$can_add = true;
if (!$can_add) {
$response['error'] = '1';
$response['msg'] = $helper->generateMessage(JText::_('COM_CITRUSCART_CANNOT_ADD_THIS_COUPON_TO_ORDER'));
echo json_encode($response);
return;
}
// Check per product coupon code
$ids = array();
$items = CitruscartHelperCarts::getProductsInfo();
foreach ($items as $item) {
$ids[] = $item->product_id;
}
if ($coupon->coupon_type == '1') {
$check = $helper_coupon->checkByProductIds($coupon->coupon_id, $ids);
if (!$check) {
$response['error'] = '1';
$response['msg'] = $helper->generateMessage(JText::_('COM_CITRUSCART_THIS_COUPON_NOT_RELATED_TO_PRODUCT_IN_YOUR_CART'));
echo json_encode($response);
return;
}
}
// if valid, return the html for the coupon
$response['msg'] = " <input type='hidden' name='coupons[]' value='{$coupon->coupon_id}'>";
echo json_encode($response);
return;
}
/**
* Calculates the discounted value of a per_product coupon
*
* @param $product_id the product id
* @param $value the original value on which calculate the discount
* @param $type could be price, tax, shipping
*/
function calculatePerProductCouponValue($product_id, $value, $type = 'price')
{
$total = 0.0;
switch ($type) {
case 'shipping':
$coupons = !empty($this->_coupons['product_shipping']) ? $this->_coupons['product_shipping'] : array();
break;
default:
case 'price':
$coupons = !empty($this->_coupons['product_price']) ? $this->_coupons['product_price'] : array();
break;
}
Citruscart::load('CitruscartHelperCoupon', 'helpers.coupon');
// If there are per_product coupons that apply to this product
// adjust the orderitem_final_price here.
// remember that the orderitem_final_price already == product_price * orderitem_quantity
if ($coupons) {
foreach ($coupons as $coupon) {
$is_for_this_product = CitruscartHelperCoupon::checkByProductIds($coupon->coupon_id, array($product_id));
if ($is_for_this_product) {
switch ($coupon->coupon_value_type) {
case "1":
// percentage
$amount = $coupon->coupon_value / 100 * $value;
break;
case "0":
// flat-rate
$amount = $coupon->coupon_value;
break;
}
// update the total amount of the discount
$total += $amount;
// save the ordercoupons object
$oc = JTable::getInstance('OrderCoupons', 'CitruscartTable');
$oc->coupon_id = $coupon->coupon_id;
$oc->ordercoupon_name = $coupon->coupon_name;
$oc->ordercoupon_code = $coupon->coupon_code;
$oc->ordercoupon_value = $coupon->coupon_value;
$oc->ordercoupon_value_type = $coupon->coupon_value_type;
$oc->ordercoupon_amount = $amount;
$this->_ordercoupons[] = $oc;
}
}
}
// Allow this to be modified via plugins
JFactory::getApplication()->triggerEvent("onCalculatePerProductCouponValue", array($this));
if ($total > $value) {
return 0;
} else {
return $value - $total;
}
}