model_name_fix.diff

From 6cb5f1f85c8af1a37a6a27e6f69c0f41a84bbf2f Mon Sep 17 00:00:00 2001
From: Ernie Miller <ernie@metautonomo.us>
Date: Mon, 4 Oct 2010 13:35:38 -0400
Subject: [PATCH 1/2] Convert to model before calling model_name on a record in ActiveModel::Naming

---
 activemodel/lib/active_model/naming.rb |    6 +++++-
 1 files changed, 5 insertions(+), 1 deletions(-)

diff --git a/activemodel/lib/active_model/naming.rb b/activemodel/lib/active_model/naming.rb
index 2d580fd..adb71f7 100644
--- a/activemodel/lib/active_model/naming.rb
+++ b/activemodel/lib/active_model/naming.rb
@@ -129,7 +129,11 @@ module ActiveModel
 
     private
       def self.model_name_from_record_or_class(record_or_class)
-        (record_or_class.is_a?(Class) ? record_or_class : record_or_class.class).model_name
+        (record_or_class.is_a?(Class) ? record_or_class : convert_to_model(record_or_class).class).model_name
+      end
+
+      def self.convert_to_model(object)
+        object.respond_to?(:to_model) ? object.to_model : object
       end
   end
 
-- 
1.7.2.2


From 6136766a182f374de99f1e33c1c3f1bfe085e894 Mon Sep 17 00:00:00 2001
From: Ernie Miller <ernie@metautonomo.us>
Date: Mon, 4 Oct 2010 15:04:39 -0400
Subject: [PATCH 2/2] Test to_model being called in ActiveModel::Naming helpers

---
 activemodel/test/cases/naming_test.rb |    4 ++++
 activemodel/test/models/track_back.rb |    7 +++++++
 2 files changed, 11 insertions(+), 0 deletions(-)

diff --git a/activemodel/test/cases/naming_test.rb b/activemodel/test/cases/naming_test.rb
index 40ce4c0..a7dde2c 100644
--- a/activemodel/test/cases/naming_test.rb
+++ b/activemodel/test/cases/naming_test.rb
@@ -125,6 +125,10 @@ class NamingHelpersTest < Test::Unit::TestCase
     @param_key = 'contact'
   end
 
+  def test_to_model_called_on_record
+    assert_equal 'post_named_track_backs', plural(Post::TrackBack.new)
+  end
+
   def test_singular
     assert_equal @singular, singular(@record)
   end
diff --git a/activemodel/test/models/track_back.rb b/activemodel/test/models/track_back.rb
index d137e4f..545acd1 100644
--- a/activemodel/test/models/track_back.rb
+++ b/activemodel/test/models/track_back.rb
@@ -1,4 +1,11 @@
 class Post
   class TrackBack
+    def to_model
+      NamedTrackBack.new(self)
+    end
+  end
+
+  class NamedTrackBack
+    extend ActiveModel::Naming
   end
 end
\ No newline at end of file
-- 
1.7.2.2