update api

app/views/api/bookings/show.json.jbuilder

@@ -1,6 +1,11 @@
 if (@booking)
   json.id @booking.booking_id
   json.status @booking.booking_status
+  if Sale.exists?(@booking.sale_id)
+    json.sale_status Sale.find(@booking.sale_id).sale_status
+  else
+    json.sale_status ""
+  end
   json.checkin_at @booking.checkin_at.strftime("%d-%m-%Y")
   json.checkin_by @booking.checkin_by
   json.table_name @booking.dining_facility.name
@@ -12,7 +17,7 @@ if (@booking)
   end
   @total_amount = 0.00
   @total_tax = 0.00
-  
+
   if @booking.booking_orders
     order_items = []
     @booking.booking_orders.each do |bo|