Files
notifications-api/app/notifications/notifications_letter_callback.py
Martyn Inglis 2591d3a1df This massive set of changes uses the new queue names object throughout the app and tests.
Lots of changes, all changing the line of code that puts things into queues, and the code that tests that.
2017-05-25 10:51:49 +01:00

62 lines
2.0 KiB
Python

import json
from functools import wraps
from flask import (
Blueprint,
jsonify,
request,
current_app
)
from app.celery.tasks import update_letter_notifications_statuses
from app.v2.errors import register_errors
from app.notifications.utils import autoconfirm_subscription
from app.schema_validation import validate
from app.config import QueueNames
letter_callback_blueprint = Blueprint('notifications_letter_callback', __name__)
register_errors(letter_callback_blueprint)
dvla_sns_callback_schema = {
"$schema": "http://json-schema.org/draft-04/schema#",
"description": "sns callback received on s3 update",
"type": "object",
"title": "dvla internal sns callback",
"properties": {
"Type": {"enum": ["Notification", "SubscriptionConfirmation"]},
"MessageId": {"type": "string"},
"Message": {"type": ["string", "object"]}
},
"required": ["Type", "MessageId", "Message"]
}
def validate_schema(schema):
def decorator(f):
@wraps(f)
def wrapper(*args, **kw):
validate(request.get_json(force=True), schema)
return f(*args, **kw)
return wrapper
return decorator
@letter_callback_blueprint.route('/notifications/letter/dvla', methods=['POST'])
@validate_schema(dvla_sns_callback_schema)
def process_letter_response():
req_json = request.get_json(force=True)
current_app.logger.info('Received SNS callback: {}'.format(req_json))
if not autoconfirm_subscription(req_json):
# The callback should have one record for an S3 Put Event.
message = json.loads(req_json['Message'])
filename = message['Records'][0]['s3']['object']['key']
current_app.logger.info('Received file from DVLA: {}'.format(filename))
current_app.logger.info('DVLA callback: Calling task to update letter notifications')
update_letter_notifications_statuses.apply_async([filename], queue=QueueNames.NOTIFY)
return jsonify(
result="success", message="DVLA callback succeeded"
), 200