In the payment controller, how do I get the quote/order ID that the user checked out?

Question

The payment method I have uses a third party gateway. I need to forward the Increment Order ID to them.

public function getOrderPlaceRedirectUrl() {
    return Mage::getUrl('shopping/checkout/forwardweb', array('_secure' => true));
}

What I would like to do is to get the order and send the $order->getIncrementId().

I tried using $orderId = Mage::getSingleton('checkout/session')->getLastRealOrderId();

But for some reason, it's always returning the same order id, no matter how many times I check out my cart, and if I go to the website, and list the orders, the new orders are not being added to the list, and it's always empty.

Answer 1

You can get the last order increment id by

$last_order_increment_id = Mage::getModel("sales/order")->getCollection()->getLastItem()->getIncrementId();

You will need to save reserveOrderId in quote.

Mage_Sales_Model_Quote::reserveOrderId()

Paypal express method doing the same in function

Mage_Paypal_Model_Express_Checkout::start()

You can follow the way it is doing and send your increment id same way for your payment method.