Controller with & without before filters

foos_controller.rb

# With before filter

class FoosController < ApplicationController
  before_filter :find_foo, :only => [:edit, :show, :update]

  def create
  end

  def edit
  end

  def index
    @foos = Foo.all
  end

  def new
    @foo = Foo.new
  end

  def show
  end

  def update
    @foo.update_attributes(params[:foo])
  end

  private
  
  def find_foo
    @foo = Foo.find(params[:id])
  end
end

# Without before filter

class FoosController < ApplicationController
  def create
  end

  def edit
    @foo = Foo.find(params[:id])
  end

  def index
    @foos = Foo.all
  end

  def new
    @foo = Foo.new
  end

  def show
    @foo = Foo.find(params[:id])
  end

  def update
    @foo = Foo.find(params[:id])
    @foo.update_attributes(params[:foo])
  end
end