decent_exposure with responders integration

application_controller.rb

# app/controllers/application_controller.rb
class ApplicationController < ActionController::Base
  self.responder = ApplicationResponder
  respond_to :html

  decent_configuration do
    strategy DecentExposure::StrongParametersStrategy
  end
end

application_responder.rb

# app/responders/application_responder.rb
class ApplicationResponder < ActionController::Responder
  include Responders::FlashResponder
  include Responders::HttpCacheResponder
end

banners_controller.rb

# app/controllers/admin/banners_controller.rb
class Admin::BannersController < Admin::BaseController
  expose(:resource, model: :banner, attributes: :resource_params)
  expose(:resources, model: :banner)

  def index
    self.resources = begin
      @q       = resources.search(params[:q])
      @q.sorts = 'created_at DESC' if @q.sorts.blank?
      @q.result.page(params[:page]).per(params[:per_page])
    end

    respond_with :admin, resources
  end

  def show
    respond_with :admin, resource
  end

  def new
    respond_with :admin, resource
  end

  def create
    resource.save

    respond_with :admin, resource
  end

  def edit
    respond_with :admin, resource
  end

  def update
    resource.save

    respond_with :admin, resource
  end

  def destroy
    resource.destroy

    respond_with :admin, resource
  end

  private

  def resource_params
    params.require(:banner).permit(:title, :color, :icon, :url)
  end
end