Files
saladeaula.digital/orders-events/app/app.py

62 lines
1.9 KiB
Python

from http import HTTPStatus
from typing import Any
from urllib.parse import parse_qsl
from aws_lambda_powertools import Logger, Tracer
from aws_lambda_powertools.event_handler.api_gateway import (
APIGatewayHttpResolver,
Response,
)
from aws_lambda_powertools.logging import correlation_paths
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__)
tracer = Tracer()
app = APIGatewayHttpResolver(enable_validation=True)
dyn = DynamoDBPersistenceLayer(ORDER_TABLE, dynamodb_client)
@app.post('/<order_id>/postback')
@tracer.capture_method
def postback(order_id: str):
decoded_body = dict(parse_qsl(app.current_event.decoded_body))
logger.info('IUGU Postback', decoded_body=decoded_body)
event = decoded_body['event']
status = decoded_body['data[status]'].upper()
if event != 'invoice.status_changed':
return Response(status_code=HTTPStatus.NO_CONTENT)
try:
dyn.update_item(
key=KeyPair(order_id, '0'),
update_expr='SET #status = :status, \
updated_at = :now',
cond_expr='attribute_exists(sk)',
expr_attr_names={
'#status': 'status',
},
expr_attr_values={
':status': status,
':now': now(),
},
)
except Exception:
return Response(status_code=HTTPStatus.NOT_FOUND)
else:
return Response(status_code=HTTPStatus.NO_CONTENT)
@logger.inject_lambda_context(correlation_id_path=correlation_paths.API_GATEWAY_HTTP)
@tracer.capture_lambda_handler
def lambda_handler(
event: dict[str, Any],
context: LambdaContext,
) -> dict[str, Any]:
return app.resolve(event, context)