fix foodcourt sales transaction

app/models/booking.rb

@@ -173,12 +173,7 @@ class Booking < ApplicationRecord
   end
 
   def self.get_booking_id(order_no)
-    booking = Booking.joins(" JOIN booking_orders bo ON bo.booking_id = bookings.booking_id")
-            .joins(" JOIN orders o ON o.order_id=bo.order_id")
-            .where("o.order_id='#{order_no}'")
-            .first()
-
-    return booking.booking_id
+    return BookingOrder.where(order_id: order_no).first.booking_id
   end
 
   private