add event

order-events/app/events/set_as_expired.py

@@ -0,0 +1,46 @@
+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:
+    new_image = event.detail['new_image']
+    now_ = now()
+
+    try:
+        order_layer.update_item(
+            key=KeyPair(new_image['id'], '0'),
+            update_expr='SET #status = :expired, updated_at = :updated_at',
+            cond_expr='#status IN (:pending) and payment_method = :payment_method',
+            expr_attr_names={
+                '#status': 'status',
+            },
+            expr_attr_values={
+                ':expired': 'EXPIRED',
+                ':pending': 'PENDING',
+                ':payment_method': 'MANUAL',
+                ':updated_at': now_,
+            },
+        )
+    except Exception:
+        logger.info('Failed to update status to EXPIRED', order_id=new_image['id'])
+        return False
+    else:
+        logger.info('Status set to EXPIRED', order_id=new_image['id'])
+        return True