Implement AC integration

lib/action_controller/serialization.rb

@@ -0,0 +1,71 @@
+require 'active_support/core_ext/class/attribute'
+
+module ActionController
+  # Action Controller Serialization
+  #
+  # Overrides render :json to check if the given object implements +active_model_serializer+
+  # as a method. If so, use the returned serializer instead of calling +to_json+ on the object.
+  #
+  # This module also provides a serialization_scope method that allows you to configure the
+  # +serialization_scope+ of the serializer. Most apps will likely set the +serialization_scope+
+  # to the current user:
+  #
+  #    class ApplicationController < ActionController::Base
+  #      serialization_scope :current_user
+  #    end
+  #
+  # If you need more complex scope rules, you can simply override the serialization_scope:
+  #
+  #    class ApplicationController < ActionController::Base
+  #      private
+  #
+  #      def serialization_scope
+  #        current_user
+  #      end
+  #    end
+  #
+  module Serialization
+    extend ActiveSupport::Concern
+
+    include ActionController::Renderers
+
+    included do
+      class_attribute :_serialization_scope
+      self._serialization_scope = :current_user
+    end
+
+    def _render_option_json(resource, options)
+      serializer = build_json_serializer(resource, options)
+
+      if serializer
+        super(serializer, options)
+      else
+        super
+      end
+    end
+
+    private
+
+    def default_serializer_options
+      {}
+    end
+
+    def serialization_scope
+      _serialization_scope = self.class._serialization_scope
+      send(_serialization_scope) if _serialization_scope && respond_to?(_serialization_scope, true)
+    end
+
+    def build_json_serializer(resource, options)
+      options = default_serializer_options.merge(options || {})
+
+      serializer =
+        options.delete(:serializer) ||
+        resource.respond_to?(:active_model_serializer) &&
+        resource.active_model_serializer
+
+      options[:scope] = serialization_scope unless options.has_key?(:scope)
+
+      serializer.new(resource, options)
+    end
+  end
+end

lib/active_model_serializers.rb

@@ -0,0 +1,13 @@
+require 'newbase/active_model/serializer'
+require 'newbase/active_model/serializer_support'
+
+begin
+  require 'action_controller'
+  require 'newbase/action_controller/serialization'
+
+  ActiveSupport.on_load(:action_controller) do
+    include ::ActionController::Serialization
+  end
+rescue LoadError
+  # rails not installed, continuing
+end