resource_controller

gistfile1.txt

class Admin::ResourceController < Admin::BaseController
  before_action :load_resource

  def index
    respond_with @collection
  end

  def edit
    respond_with(:admin, @object)
  end

  def new
    respond_with(:admin, @object)
  end

  def update
    @object.update(permitted_resource_params)
    respond_with(:admin, @object)
  end

  def create
    @object.attributes = permitted_resource_params
    respond_with(:admin, @object)
  end

  def model_class
    controller_name.classify.constantize
  end

  def object_name
    controller_name.singularize
  end

  def load_resource
    if member_action?
      @object ||= load_resource_instance
      instance_variable_set("@#{object_name}", @object)
    else
      @collection ||= collection
      instance_variable_set("@#{controller_name}", @collection)
    end
  end

  def load_resource_instance
    if new_actions.include?(action)
      build_resource
    elsif params[:id]
      find_resource
    end
  end

  def find_resource
    model_class.find(params[:id])
  end

  def build_resource
    model_class.new
  end

  def collection
    model_class.all
  end

  def permitted_resource_params
    params.require(object_name).permit!
  end

  def collection_actions
    [:index]
  end

  def member_action?
    !collection_actions.include? action
  end

  def new_actions
    [:new, :create]
  end

end