controller!

fakes_controller.rb

class FakeController < ActionController
  before_action :find_fake, only: [:show, :edit, :update]

  def index
    @fakes = Fake.all
  end

  def new
    @fake = Fake.new
  end

  def create
    @fake = Fake.new fake_params

    if @fake.save
      redirect_to fakes_path
    else
      render :new
    end
  end
  
  def show
  end

  def edit
  end

  def update
    if @fake.update_attributes fake_params
      redirect_to fakes_path
    else
      render :edit
    end
  end 

  private

  def fake_params
    params.require(:fake).permit(:foo, :bar)
  end

  def find_fake
    @fake = Fake.find params[:id]
  end
end