Added #id that returns nil to play nice with form_for(@presenter)

lib/active_presenter/base.rb

@@ -59,7 +59,7 @@ def initialize(args = {})
 
       self.attributes = args
     end
-    
+
     # Set the attributes of the presentable instances using the type_attribute form (i.e. user_login => 'james')
     #
     def attributes=(attrs)
@@ -139,6 +139,11 @@ def update_attributes(attrs)
       save
     end
 
+    def id # :nodoc:
+      # We override #id to return nil to play nice with form_for(@presenter) in Rails
+      nil
+    end
+
     protected
       def presented_instances
         presented.keys.map { |key| send(key) }

test/base_test.rb

@@ -1,6 +1,10 @@
 require File.dirname(__FILE__)+'/test_helper'
 
 Expectations do
+  expect nil do
+    SignupPresenter.new.id
+  end
+
   expect :user => User, :account => Account do
     SignupPresenter.presented
   end