a little streamlining

lib/WebGUI/Shop/PayDriver.pm

@@ -482,14 +482,14 @@ sub processTransaction {
     my ($self, $paymentAddress) = @_;
     my $cart = $self->getCart;
     my $transaction = WebGUI::Shop::Transaction->create($self->session,{
-        cart            => $cart,
         paymentMethod   => $self,
         paymentAddress  => $paymentAddress,
         });
     my ($success, $transactionCode, $statusCode, $statusMessage) = $self->processPayment;
     if ($success) {
-       $transaction->completePurchase($cart, $transactionCode, $statusCode, $statusMessage);
-       $self->sendNotifications($transaction);
+        $transaction->completePurchase($cart, $transactionCode, $statusCode, $statusMessage);
+        $cart->onCompletePurchase;
+        $self->sendNotifications($transaction);
     }
     else {
         $transaction->denyTransaction($transactionCode, $statusCode, $statusMessage);

lib/WebGUI/Shop/Transaction.pm

@@ -67,18 +67,10 @@ sub addItem {
 
 #-------------------------------------------------------------------
 
-=head2 completePurchase ( cart transactionCode, statusCode, statusMessage )
+=head2 completePurchase ( transactionCode, statusCode, statusMessage )
 
 See also denyPurchase(). Completes a purchase by updating the transaction as a success, and clearing the cart of it's items. 
 
-=head3 cart
-
-A reference to the current cart that's full of items just purchased.
-
-=head3 paydriver
-
-A reference to the pay driver that just completed the transaction.
-
 =head3 transactionCode
 
 The transaction id or code given by the payment gateway.
@@ -94,8 +86,7 @@ The extended status message that came back from the payment gateway when trying
 =cut
 
 sub completePurchase {
-    my ($self, $cart, $transactionCode, $statusCode, $statusMessage) = @_;
-    $cart->onCompletePurchase;
+    my ($self, $transactionCode, $statusCode, $statusMessage) = @_;
     $self->update({
         transactionCode => $transactionCode,
         isSuccessful    => 1,