Don't let the cart crash on invalid addressIds

docs/changelog/7.x.x.txt

@@ -4,6 +4,8 @@
  - fixed #11984: No JS allows invalid dates in Event asset
  - fixed bug in shopping cart where in some cases the shipper selectbox would
    be empty ( Martin Kamerbeek / Oqapi )
+ - fixed bug where an invalid address ids would prevent a customer from ever
+   checking out again ( Martin Kamerbeek / Oqapi )
 
 7.10.6
  - fixed #11974: Toolbar icons unclickable in Webkit using HTML5

lib/WebGUI/Shop/Cart.pm

@@ -1174,7 +1174,10 @@ sub www_view {
 
         my $billingAddressId = $self->get('billingAddressId');
         if ($billingAddressId) {
-            $billingAddressOptions{'update_address'} = sprintf $i18n->get('Update %s'), $self->getBillingAddress->get('label');
+            my $billingAddress = eval { $self->getBillingAddress };
+            if ( defined $billingAddress ) {
+                $billingAddressOptions{'update_address'} = sprintf $i18n->get('Update %s'), $billingAddress->get('label');
+            }
         }
 
         %billingAddressOptions = (%billingAddressOptions, %addressOptions);
@@ -1190,7 +1193,10 @@ sub www_view {
 
         my $shippingAddressId = $self->get('shippingAddressId');
         if ($shippingAddressId) {
-            $shippingAddressOptions{'update_address'} = sprintf $i18n->get('Update %s'), $self->getShippingAddress->get('label');
+            my $shippingAddress = eval { $self->getShippingAddress };
+            if ( defined $shippingAddress ) {
+               $shippingAddressOptions{'update_address'} = sprintf $i18n->get('Update %s'), $shippingAddress->get('label');
+            }
         }
         %shippingAddressOptions = (%shippingAddressOptions, %addressOptions);
 

t/Shop/Cart.t

@@ -35,7 +35,7 @@ my $i18n = WebGUI::International->new($session, "Shop");
 #----------------------------------------------------------------------------
 # Tests
 
-plan tests => 34;        # Increment this number for each test you create
+plan tests => 36;        # Increment this number for each test you create
 
 #----------------------------------------------------------------------------
 # put your tests here
@@ -207,5 +207,21 @@ is($cart->delete, undef, "Can destroy cart.");
     $cart->update( { shippingAddressId => $shipper->getId } );
 }
 
+# Test (part of) www_view
+{
+    my $shippingAddressId   = $cart->get( 'shippingAddressId'   );
+    my $billingAddressId    = $cart->get( 'billingAddressId'    );
+
+    $cart->update( { shippingAddressId => 'NoWayDude' } );
+    eval { $cart->www_view };
+    is( $@, '', 'Invalid shippingAddressId doesn\'t make www_view crash' );
+
+    $cart->update( { billingAddressId => 'WRONG!!!!', shippingAddressId => $shippingAddressId } );
+    eval { $cart->www_view };
+    is( $@, '', 'Invalid billingAddressId doesn\'t make www_view crash' );
+
+    $cart->update( { billingAddressId => $billingAddressId } );
+}
+
 $product->purge;