Don't fetch parent of nested resource if *_id parameter is missing so it works with shallow nested routes - closes #14

2009-12-14 08:18:08 -08:00
parent f7480d1f5a
commit e9f01300b6
3 changed files with 19 additions and 2 deletions
--- a/lib/cancan/resource_authorization.rb
+++ b/lib/cancan/resource_authorization.rb
@@ -36,8 +36,13 @@ module CanCan
    def parent_resource
      parent = nil
      [@options[:nested]].flatten.compact.each do |name|
-        parent = ControllerResource.new(@controller, name, parent)
-        parent.find(@params["#{name}_id".to_sym])
+        id = @params["#{name}_id".to_sym]
+        if id
+          parent = ControllerResource.new(@controller, name, parent)
+          parent.find(id)
+        else
+          parent = nil
+        end
      end
      parent
    end