CRUD controller

gistfile1.rb

class NewController < SomeOtherController
  include Cms::Controller
  crud_for ArticleManager

  add_rescue :create, SomeOtherError do |error|
    redirect_to root_path
  end
end


module Cms::Controller

  def self.crud_for(manager)
    @@model = manager
  end

  def new
    @article = @@model.new_for(current_cms_site)
  end

  def create
    @article = @@model.create_for!(current_cms_site, params[@@model.param_name])
  rescue SaveError => e
    @article = e.model
    render :new
  rescue StandardError => e
    handle_error e
  end
end

class ArticleManager
  def self.new_for(parent)
    parent.articles.new
  end
  def self.create_for!(parent, attributes)
    article = parent.articles.new(attributes)
    raise NotSaved, article unless article.save
    article
  end
end