Improvements to invoice display and other misc items

modules/checkout/classes/Model/Checkout/Notify.php

@@ -9,12 +9,22 @@
  * @copyright  (c) 2009-2013 Open Source Billing
  * @license    http://dev.osbill.net/license.html
  */
-class Model_Checkout_Notify extends ORM_OSB {
+class Model_Checkout_Notify extends ORM_OSB implements Invoicable {
 	// Relationships
 	protected $_has_one = array(
 		'checkout'=>array('far_key'=>'checkout_id','foreign_key'=>'id'),
 	);
 
+	protected $_display_filters = array(
+		'date_orig'=>array(
+			array('Config::date',array(':value')),
+		),
+	);
+
+	public function invoice_item() {
+		return sprintf('Payment Fee: %s',$this->checkout->name);
+	}
+
 	public function process() {
 		return $this->checkout->plugin()->notify($this);
 	}