function submit($data, $form)
{
// if rewards added and get it button clicked then validate and save to order object
if (isset($data['action_submit']) && isset($data['Quantity'])) {
Session::clear($this->controller->RewardsSessionKey());
foreach ($data['Quantity'] as $ProductID => $quantity) {
$item = $this->controller->newReward($ProductID, $quantity);
Session::set($this->controller->RewardsSessionKey($ProductID), serialize($item));
}
if ($this->controller->RewardsTotalPoints() > Page_Controller::MemberPointsBalance()) {
$this->sessionMessage('You do not have enough points to purchase these rewards.', 'error');
Director::redirectBack();
return;
}
$new_items = $this->controller->RewardItems();
}
//delete all existing reward items for this order
$order_items = $this->controller->Order()->RewardItems();
foreach ($order_items as $o_item) {
$o_item->delete();
}
// then flush rewards from session
Session::clear($this->controller->RewardsSessionKey());
//then link the reward items to the order
if (isset($new_items)) {
foreach ($new_items as $item) {
$item->write();
}
}
// then redirect to next step
Director::redirect($this->controller->Link() . 'checkoutstep/orderconfirmationandpayment/');
}
