Ruby on Rails - COPLEC

CONTROLADOR
class AdminController < ApplicationController
def index
list
render :action => 'list'
end
def list
@product_pages, @products = paginate :products, :per_page => 10
end
def show
@product = Product.find(params[:id])
end
def new
@product = Product.new
end
def create
@product = Product.new(params[:product])
if @product.save
flash[:notice] = 'Product was successfully created.'
redirect_to :action => 'list'
else
render :action => 'new'
end
end