fix

enrollments-events/app/enrollment.py

@@ -2,7 +2,7 @@ from abc import ABC
 from dataclasses import dataclass
 from datetime import timedelta
 from enum import Enum
-from typing import NotRequired, Self, TypedDict
+from typing import NotRequired, TypedDict
 
 from layercake.dateutils import now, ttl
 from layercake.dynamodb import DynamoDBPersistenceLayer, KeyPair

enrollments-events/app/events/schedule_reminders.py

@@ -9,11 +9,13 @@ from layercake.dynamodb import DynamoDBPersistenceLayer, KeyPair, SortKey
 
 from boto3clients import dynamodb_client
 from config import (
+    COURSE_TABLE,
     ENROLLMENT_TABLE,
 )
 
 logger = Logger(__name__)
-dyn = DynamoDBPersistenceLayer(ENROLLMENT_TABLE, dynamodb_client)
+enrollment_layer = DynamoDBPersistenceLayer(ENROLLMENT_TABLE, dynamodb_client)
+course_layer = DynamoDBPersistenceLayer(COURSE_TABLE, dynamodb_client)
 
 
 @event_source(data_class=EventBridgeEvent)
@@ -28,7 +30,7 @@ def lambda_handler(event: EventBridgeEvent, context: LambdaContext) -> bool:
     # Post-migration: after removing the stopgap file `patch_course_metadata.py`,
     # use `access_expires_at` from `new_image`
     access_period = int(
-        dyn.collection.get_item(
+        course_layer.collection.get_item(
             KeyPair(
                 pk=new_image['course']['id'],
                 sk=SortKey('0', path_spec='access_period'),
@@ -36,7 +38,7 @@ def lambda_handler(event: EventBridgeEvent, context: LambdaContext) -> bool:
         )
     )
 
-    with dyn.transact_writer() as transact:
+    with enrollment_layer.transact_writer() as transact:
         transact.put(
             item={
                 'id': enrollment_id,

enrollments-events/app/events/stopgap/set_subscription_covered.py

@@ -26,7 +26,7 @@ def lambda_handler(event: EventBridgeEvent, context: LambdaContext) -> bool:
     terms = user_layer.get_item(
         # Post-migration (users): uncomment the following line
         # KeyPair(new_image['org_id'], 'METADATA#BILLING_TERMS'),
-        KeyPair(new_image['tenant_id'], 'metadata#billing_policy'),
+        KeyPair(new_image['org_id'], 'metadata#billing_policy'),
     )
 
     if not terms:

enrollments-events/app/schemas.py

@@ -48,7 +48,7 @@ class Enrollment(BaseModel):
         return super().model_dump(
             exclude={
                 'user': {'email_verified'},
-                'course': {'cert', 'access_period'},
+                'course': {'cert'},
             },
             *args,
             **kwargs,

enrollments-events/template.yaml

@@ -252,6 +252,8 @@ Resources:
       Policies:
         - DynamoDBCrudPolicy:
             TableName: !Ref EnrollmentTable
+        - DynamoDBReadPolicy:
+            TableName: !Ref CourseTable
       Events:
         DynamoDBEvent:
           Type: EventBridgeRule