Add ActionView::ModelNaming

It's just a duplicate of ActionController::ModelNaming. These are just a
simple helpers for decoupling Active Model, so it does not make sense to
extract it to Active Support, but the point is to decouple also Action
View and Action Pack

3 files changed, 16 insertions, 4 deletions

diff --git a/actionpack/lib/action_view/helpers/form_helper.rb b/actionpack/lib/action_view/helpers/form_helper.rb
index b79577bcd3..17fe7dc1b4 100644
--- a/actionpack/lib/action_view/helpers/form_helper.rb
+++ b/actionpack/lib/action_view/helpers/form_helper.rb
@@ -4,12 +4,12 @@ require 'action_view/helpers/tag_helper'
 require 'action_view/helpers/form_tag_helper'
 require 'action_view/helpers/active_model_helper'
 require 'action_view/helpers/tags'
+require 'action_view/model_naming'
 require 'active_support/core_ext/class/attribute_accessors'
 require 'active_support/core_ext/hash/slice'
 require 'active_support/core_ext/string/output_safety'
 require 'active_support/core_ext/array/extract_options'
 require 'active_support/core_ext/string/inflections'
-require 'action_controller/model_naming'
 
 module ActionView
   # = Action View Form Helpers
@@ -115,7 +115,7 @@ module ActionView
 
       include FormTagHelper
       include UrlHelper
-      include ActionController::ModelNaming
+      include ModelNaming
 
       # Creates a form that allows the user to create or update the attributes
       # of a specific model object.
@@ -1156,7 +1156,7 @@ module ActionView
     end
 
     class FormBuilder
-      include ActionController::ModelNaming
+      include ModelNaming
 
       # The methods which wrap a form helper call.
       class_attribute :field_helpers
diff --git a/actionpack/lib/action_view/model_naming.rb b/actionpack/lib/action_view/model_naming.rb
new file mode 100644
index 0000000000..e09ebd60df
--- /dev/null
+++ b/actionpack/lib/action_view/model_naming.rb
@@ -0,0 +1,12 @@
+module ActionView
+  module ModelNaming
+    # Converts the given object to an ActiveModel compliant one.
+    def convert_to_model(object)
+      object.respond_to?(:to_model) ? object.to_model : object
+    end
+
+    def model_name_from_record_or_class(record_or_class)
+      (record_or_class.is_a?(Class) ? record_or_class : convert_to_model(record_or_class).class).model_name
+    end
+  end
+end
diff --git a/actionpack/lib/action_view/record_identifier.rb b/actionpack/lib/action_view/record_identifier.rb
index 0f4fc8aa75..0d44145231 100644
--- a/actionpack/lib/action_view/record_identifier.rb
+++ b/actionpack/lib/action_view/record_identifier.rb
@@ -1,5 +1,5 @@
 require 'active_support/core_ext/module'
-require 'action_controller/model_naming'
+require 'action_view/model_naming'
 
 module ActionView
   # The record identifier encapsulates a number of naming conventions for dealing with records, like Active Records or