To facilitate making reusable chunks of actions and responses, simply…

… extend Ardes::ResponsesModule into

  your action modules.  See Ardes::ResponsesModule for details

CHANGELOG

@@ -1,3 +1,6 @@
+* To facilitate making reusable chunks of actions and responses, simply extend Ardes::ResponsesModule into
+  your action modules.  See Ardes::ResponsesModule for details
+
 * now intercepting template_exists? to decide whether to render a response for an action
   that has no action method defined.  (Removes somewhat mysterious behaviour of empty
   actions being defined)

lib/ardes/responses_module.rb

@@ -0,0 +1,41 @@
+module Ardes#:nodoc:
+  # Extension to facilitate writing responses in mixins
+  #
+  # extend this into your own module to have it act as a response_for namespace
+  # when this module is included into a controller, the responses will be copied
+  # over, along with the actions.
+  #
+  # Example:
+  #
+  #  module MyActions
+  #    extend Ardes::ResponsesModule
+  #
+  #    def foo
+  #      do_foo
+  #    end
+  #
+  #    response_for :foo do |format|
+  #      format.html { # do a response }
+  #    end
+  #  end
+  #
+  #  class AController < ApplicationController
+  #    include MyActions
+  #    # now this controller has foo and response_for :foo
+  #  end
+  module ResponsesModule
+    include ResponseFor::ClassMethods
+
+    def self.extended(mixin)
+      class << mixin
+        def included_with_responses(controller_class)
+          action_responses.each do |action, responses|
+            controller_class.action_responses[action] ||= []
+            controller_class.action_responses[action].unshift(responses)
+          end
+        end
+        alias_method_chain :included, :responses
+      end
+    end
+  end
+end

spec/controllers/responses_module_spec.rb

@@ -0,0 +1,27 @@
+require File.expand_path(File.join(File.dirname(__FILE__), '../spec_helper'))
+
+module ResponsesModuleSpec
+  module MyActionsAndResponses
+    extend Ardes::ResponsesModule
+
+    def foo; end
+
+    response_for :foo do |format|
+      format.html {}
+    end
+  end
+
+  class MyController < ActionController::Base
+    include MyActionsAndResponses
+  end
+
+  describe MyController do
+    it "should have action_response for :foo" do
+      @controller.class.action_responses['foo'].should_not == nil
+    end
+
+    it "should have action :foo" do
+      @controller.should respond_to(:foo)
+    end
+  end
+end