def confirm_booking()

in src/backend/booking/src/confirm-booking/confirm.py [0:0]

• 27 lines of code
• 2 McCabe index (conditional complexity)

def confirm_booking(booking_id):
    """Update existing booking to CONFIRMED and generates a Booking reference

    Parameters
    ----------
    booking_id : string
        Unique Booking ID

    Returns
    -------
    dict
        bookingReference: string

    Raises
    ------
    BookingConfirmationException
        Booking Confirmation Exception including error message upon failure
    """
    try:
        reference = secrets.token_urlsafe(4)
        logger.debug(
            {
                "operation": "booking_confirmation",
                "details": {"booking_id": booking_id, "booking_reference": reference},
            }
        )
        ret = table.update_item(
            Key={"id": booking_id},
            ConditionExpression="id = :idVal",
            UpdateExpression="SET bookingReference = :br, #STATUS = :confirmed",
            ExpressionAttributeNames={"#STATUS": "status"},
            ExpressionAttributeValues={
                ":br": reference,
                ":idVal": booking_id,
                ":confirmed": "CONFIRMED",
            },
            ReturnValues="UPDATED_NEW",
        )

        logger.info({"operation": "booking_confirmation", "details": ret})
        tracer.put_metadata(booking_id, ret)

        return {"bookingReference": reference}
    except ClientError as err:
        logger.exception({"operation": "booking_confirmation"})
        raise BookingConfirmationException(details=err)