renamem orders

orders-events/app/events/stopgap/set_as_paid.py

@@ -0,0 +1,47 @@
+from aws_lambda_powertools import Logger
+from aws_lambda_powertools.utilities.data_classes import (
+    EventBridgeEvent,
+    event_source,
+)
+from aws_lambda_powertools.utilities.typing import LambdaContext
+from layercake.dateutils import now
+from layercake.dynamodb import (
+    DynamoDBPersistenceLayer,
+    KeyPair,
+)
+
+from boto3clients import dynamodb_client
+from config import ORDER_TABLE
+
+logger = Logger(__name__)
+order_layer = DynamoDBPersistenceLayer(ORDER_TABLE, dynamodb_client)
+
+
+@event_source(data_class=EventBridgeEvent)
+@logger.inject_lambda_context
+def lambda_handler(event: EventBridgeEvent, context: LambdaContext) -> bool:
+    """Set to `PAID` if the status is `PENDING` and the total is zero."""
+    new_image = event.detail['new_image']
+    now_ = now()
+
+    with order_layer.transact_writer() as transact:
+        transact.update(
+            key=KeyPair(new_image['id'], '0'),
+            update_expr='SET #status = :status, updated_at = :updated_at',
+            expr_attr_names={
+                '#status': 'status',
+            },
+            expr_attr_values={
+                ':status': 'PAID',
+                ':updated_at': now_,
+            },
+        )
+        transact.put(
+            item={
+                'id': new_image['id'],
+                'sk': 'paid_at',
+                'paid_at': now_,
+            }
+        )
+
+    return True