add print action cable

app/models/booking.rb

@@ -171,6 +171,15 @@ class Booking < ApplicationRecord
     return @orders, @order_items, @sales, @sale_items, @sale_taxes, @sale_payments, @sale_orders, @sale_audits, @bookings, @assigned_order_items, @shift_sales
   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
+  end
+
   private
   def generate_custom_id
     if self.booking_id.nil?