new order for booking fixed

app/controllers/api/orders_controller.rb

@@ -39,12 +39,16 @@ class Api::OrdersController <  Api::ApiController
         # check booking id is already completed.
         booking = Booking.find(params[:booking_id])
         if !booking.sale_id.nil?
-          booking.sale.sale_status == "completed"
+          if booking.sale.sale_status == "completed"
             @order.new_booking = true
           else
             @order.new_booking = false
             @order.booking_id = params[:booking_id]
           end
+        else
+          @order.new_booking = false
+            @order.booking_id = params[:booking_id]
+        end
       end
 
     @status, @booking = @order.generate