multiple sale and order

app/controllers/origami/sales_controller.rb

@@ -3,8 +3,42 @@ class Origami::SalesController < BaseOrigamiController
   def show
     @tables = Table.all.active.order('status desc')
     @rooms = Room.all.active.order('status desc')
-    @complete = Sale.complete_sale
+    @complete = Sale.all
     @orders = Order.all.order('date desc')
     @sale = Sale.find(params[:sale_id])
   end
+
+  def add_to_existing_invoice
+    dining = params[:dining_id]
+    sale_id = params[:sale_id]
+    table = DiningFacility.find(dining)
+      table.bookings.each do |booking|
+       if booking.sale_id.nil?
+         booking.booking_orders.each do |booking_order|
+             booking.booking_status = 'moved'
+             order = Order.find(booking_order.order_id)
+             order.status = 'billed'
+             order.order_items.each do |item|
+               item.order_item_status = 'billed'
+             end
+             #  create sale item
+             saleobj = Sale.find(sale_id)
+             order.order_items.each do |orer_item|
+               saleobj.add_item (orer_item)
+             end
+             saleobj.save
+             order.save
+             booking.save
+         end
+         existing_booking = Booking.find_by_sale_id(sale_id)
+         booking_order = BookingOrder.where('booking_id=?',booking)
+         booking_order.each do |bo|
+           bo.booking_id = existing_booking.booking_id
+           bo.save
+         end
+      end
+    end
+  end
+
+
 end