class BookController < ApplicationController

  def index
    @book = Book.find(:first)
  end

  def order
    order = params[:list]
    order.each_with_index do |id, position|
        Chapter.find(id).update_attribute(:position, position + 1)
    end
    render :text => "updated chapter order is: #{order.join(', ')}" 
  end
end