update layercake version

order-management/app/events/stopgap/set_as_paid.py

@@ -8,7 +8,6 @@ from layercake.dateutils import now
 from layercake.dynamodb import (
     DynamoDBPersistenceLayer,
     KeyPair,
-    TransactItems,
 )
 
 from boto3clients import dynamodb_client
@@ -23,24 +22,25 @@ order_layer = DynamoDBPersistenceLayer(ORDER_TABLE, dynamodb_client)
 def lambda_handler(event: EventBridgeEvent, context: LambdaContext) -> bool:
     new_image = event.detail['new_image']
     now_ = now()
-    transact = TransactItems(order_layer.table_name)
-    transact.update(
-        key=KeyPair(new_image['id'], '0'),
-        update_expr='SET #status = :status, update_date = :update_date',
-        expr_attr_names={
-            '#status': 'status',
-        },
-        expr_attr_values={
-            ':status': 'PAID',
-            ':update_date': now_,
-        },
-    )
-    transact.put(
-        item={
-            'id': new_image['id'],
-            'sk': 'paid_date',
-            'create_date': now_,
-        }
-    )
-    order_layer.transact_write_items(transact)
+
+    with order_layer.transact_writer() as transact:
+        transact.update(
+            key=KeyPair(new_image['id'], '0'),
+            update_expr='SET #status = :status, update_date = :update_date',
+            expr_attr_names={
+                '#status': 'status',
+            },
+            expr_attr_values={
+                ':status': 'PAID',
+                ':update_date': now_,
+            },
+        )
+        transact.put(
+            item={
+                'id': new_image['id'],
+                'sk': 'paid_date',
+                'create_date': now_,
+            }
+        )
+
     return True