update layercake version

http-api/app/rules/course.py

@@ -1,5 +1,5 @@
 from layercake.dateutils import now
-from layercake.dynamodb import DynamoDBPersistenceLayer, KeyPair, TransactItems
+from layercake.dynamodb import DynamoDBPersistenceLayer, KeyPair
 
 from models import Course, Org
 
@@ -11,25 +11,26 @@ def create_course(
     persistence_layer: DynamoDBPersistenceLayer,
 ):
     now_ = now()
-    transact = TransactItems(persistence_layer.table_name)
-    transact.put(
-        item={
-            'sk': '0',
-            'metadata__tenant_id': org.id,
-            'create_date': now_,
-            **course.model_dump(),
-        }
-    )
-    transact.put(
-        item={
-            'id': course.id,
-            'sk': 'metadata#tenant',
-            'tenant_id': f'ORG#{org.id}',
-            'name': org.name,
-            'create_date': now_,
-        }
-    )
-    return persistence_layer.transact_write_items(transact)
+    with persistence_layer.transact_writer() as transact:
+        transact.put(
+            item={
+                'sk': '0',
+                'metadata__tenant_id': org.id,
+                'create_date': now_,
+                **course.model_dump(),
+            }
+        )
+        transact.put(
+            item={
+                'id': course.id,
+                'sk': 'metadata#tenant',
+                'tenant_id': f'ORG#{org.id}',
+                'name': org.name,
+                'create_date': now_,
+            }
+        )
+
+    return True
 
 
 def update_course(
@@ -39,20 +40,20 @@ def update_course(
     persistence_layer: DynamoDBPersistenceLayer,
 ):
     now_ = now()
-    transact = TransactItems(persistence_layer.table_name)
-    transact.update(
-        key=KeyPair(id, '0'),
-        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': now_,
-        },
-        cond_expr='attribute_exists(sk)',
-    )
-    return persistence_layer.transact_write_items(transact)
+    with persistence_layer.transact_writer() as transact:
+        transact.update(
+            key=KeyPair(id, '0'),
+            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': now_,
+            },
+            cond_expr='attribute_exists(sk)',
+        )
+    return True