move seeds dir

http-api/course.py

@@ -1,5 +1,5 @@
 from layercake.dateutils import now
-from layercake.dynamodb import DynamoDBPersistenceLayer, TransactItems
+from layercake.dynamodb import DynamoDBPersistenceLayer, KeyPair, TransactItems
 
 from models import Course, Org
 
@@ -7,7 +7,7 @@ from models import Course, Org
 def create_course(
     course: Course,
     org: Org,
-    *,
+    /,
     persistence_layer: DynamoDBPersistenceLayer,
 ):
     current_time = now()
@@ -30,3 +30,28 @@ def create_course(
         }
     )
     return persistence_layer.transact_write_items(transact)
+
+
+def update_course(
+    id: str,
+    course: Course,
+    /,
+    persistence_layer: DynamoDBPersistenceLayer,
+):
+    current_time = now()
+    transact = TransactItems(persistence_layer.table_name)
+    transact.update(
+        key=KeyPair(course.id, '0'),  # type: ignore
+        update_expr='SET #name = :name, access_period = :access_period, cert = :cert, update_date = :update_date',
+        expr_attr_names={
+            '#name': 'name',
+        },
+        expr_attr_values={
+            ':name': course.name,
+            ':cert': course.cert.model_dump() if course.cert else None,
+            ':access_period': course.access_period,
+            ':update_date': current_time,
+        },
+        cond_expr='attribute_exists(sk)',
+    )
+    return persistence_layer.transact_write_items(transact)