get user id from order

enrollments-events/app/events/enroll.py

@@ -6,7 +6,6 @@ from aws_lambda_powertools.utilities.data_classes import (
     event_source,
 )
 from aws_lambda_powertools.utilities.typing import LambdaContext
-from glom import glom
 from layercake.dateutils import now
 from layercake.dynamodb import (
     DynamoDBPersistenceLayer,
@@ -44,12 +43,9 @@ def lambda_handler(event: EventBridgeEvent, context: LambdaContext) -> list[str]
         if item['unit_price'] > 0
     }
 
-    result = order_layer.collection.query(KeyPair(order_id, 'assignees#'))
-    user_id = glom(result, 'items.0.sk').removeprefix('assignees#')
-
     courses = _get_courses(set(items.keys()))
     user = User(
-        id=user_id,
+        id=order['user_id'],
         name=order['name'],
         email=order['email'],
         cpf=order['cpf'],