begin adding inventory control overrides of parent class

lib/WebGUI/Asset/Sku/Product.pm

@@ -389,6 +389,19 @@ sub getPrice {
     return $self->getOptions->{price};
 }
 
+#-------------------------------------------------------------------
+
+=head2 getQuantityAvailable ( )
+
+Returns the amount of a variant that are available.
+
+=cut
+
+sub getQuantityAvailable {
+    my $self = shift;
+    return $self->getOptions->{quantity};
+}
+
 #-------------------------------------------------------------------
 sub getThumbnailUrl {
     my $self = shift;