support multiple resources in :through option of load_resource, this makes polymorphic associations possible - closes #73

2010-08-06 10:35:42 -07:00
parent 961b8c2477
commit 6998e8bdd1
2 changed files with 11 additions and 1 deletions
--- a/lib/cancan/controller_resource.rb
+++ b/lib/cancan/controller_resource.rb
@@ -83,7 +83,7 @@ module CanCan

    # The object to load this resource through.
    def through_resource
-      @options[:through] && @controller.instance_variable_get("@#{@options[:through]}")
+      @options[:through] && [@options[:through]].flatten.map { |i| @controller.instance_variable_get("@#{i}") }.compact.first
    end

    def name