Improved User Welcome

modules/invoice/classes/Model/Invoice.php

@@ -620,6 +620,15 @@ class Model_Invoice extends ORM_OSB implements Cartable {
 		return $result;
 	}
 
+	public function list_due_total($format=FALSE,$time=NULL) {
+		$result = 0;
+
+		foreach ($this->list_due($time) as $io)
+			$result += $io->due();
+
+		return $format ? Currency::display($result) : Currency::round($result);
+	}
+
 	/**
 	 * Return a list of invoices that need to be sent.
 	 * @todo This should be optimised a little to return only invoices to send, instead of looking for them.