buttons in table footer

containers/services.py

@@ -1,14 +1,17 @@
+from booking.models import Booking
 from containers.models import Container
 
-def get_container_for_booking(booking):
+def get_container_for_booking(booking_number):
     filters = {
         'expedited': False,
     }
-
+    booking = Booking.objects.get(number=booking_number)
+    if not booking:
+        return None
     if booking.container_number:
         filters['container_number'] = booking.container_number
     else:
         filters['container_type'] = booking.container_type
         filters['line'] = booking.line
 
-    return Container.objects.filter(**filters).order_by('created_at').first()
+    return Container.objects.filter(**filters).order_by('received_on').first()