def validate_delivery()

in orders/src/create_order/main.py [0:0]

• 31 lines of code
• 5 McCabe index (conditional complexity)

def validate_delivery(order: dict) -> Tuple[bool, str]:
    """
    Validate the delivery price
    """

    # Gather the domain name and AWS region
    url = urlparse(DELIVERY_API_URL)
    region = boto3.session.Session().region_name
    # Create the signature helper
    iam_auth = BotoAWSRequestsAuth(aws_host=url.netloc,
                                   aws_region=region,
                                   aws_service='execute-api')

    # Send a POST request
    response = requests.post(
        DELIVERY_API_URL+"/backend/pricing",
        json={"products": order["products"], "address": order["address"]},
        auth=iam_auth
    )

    logger.debug({
        "message": "Response received from delivery",
        "body": response.json()
    })

    body = response.json()
    if response.status_code != 200 or "pricing" not in body:
        logger.warning({
            "message": "Failure to contact the delivery service",
            "statusCode": response.status_code,
            "body": body
        })
        return (False, "Failure to contact the delivery service")

    if body["pricing"] != order["deliveryPrice"]:
        logger.info({
            "message": "Wrong delivery price: got {}, expected {}".format(order["deliveryPrice"], body["pricing"]),
            "orderPrice": order["deliveryPrice"],
            "deliveryPrice": body["pricing"]
        })
        return (False, "Wrong delivery price: got {}, expected {}".format(order["deliveryPrice"], body["pricing"]))

    return (True, "The delivery price is valid")