def show
      @order = Effective::Order.find(params[:id])
      EffectiveOrders.authorize!(self, :show, @order)

      @page_title ||= ((@order.user == current_user && !@order.purchased?) ? 'Checkout' : @order.to_s)
    end
def show
      @order = Effective::Order.find(params[:id])
      EffectiveOrders.authorize!(self, :show, @order)

      @page_title ||= ((@order.user == current_user && !@order.purchased?) ? 'Checkout' : @order.to_s)
    end
If you want to use the order = Effective::Order.new(@thing); order.save! flow
 Add one or more items to the order.
 redirect_to effective_orders.order_path(order), which is here
 This is the entry point for an existing order.
 Might render step1 or step2