Order Controller

Orders.rb

class MainOrderScreenController < ApplicationController
  def index
    @items = Item.all
    @current_order = Order.find(session[:order_id])
  end
  
  def add_item_to_order
    @item = Item.find(params[:id])
    @order = Order.new #Don't create an order until there is an item to be added to it.
    @order.items.push(@item)
    @order.save
    session[:order_id] = @order.id
    redirect_to order_home_path
  end
end