update pending and quick service

app/models/sale.rb

@@ -1225,6 +1225,75 @@ end
     return query
   end
 
+  def self.add_to_existing_pending_invoice(dining,sale_id,booking)
+    table = DiningFacility.find(dining)
+    existing_booking = Booking.find_by_sale_id(sale_id)
+      if dining.to_i > 0
+          table.bookings.each do |booking|
+            # if !booking.checkout_at.nil?
+            #     existing_booking.update_attributes(checkout_at: checkout_at)
+            # end
+            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
+
+                   # Re-compute for add
+                   saleobj.compute
+                   saleobj.save
+                   order.save
+                   booking.save
+               end
+             
+               booking_order = BookingOrder.where('booking_id=?',booking)
+               booking_order.each do |bo|
+                 bo.booking_id = existing_booking.booking_id
+                 bo.save
+               end
+            end
+          end
+      else
+          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
+
+                   # Re-compute for add
+                   saleobj.compute
+                   saleobj.save
+                   order.save
+                   booking.save
+               end
+             
+               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
+
   def self.pending_order
     query = Sale.all
     query = query.joins("join sale_orders as sale_orders on sale_orders.sale_id = sales.sale_id")