def create_participant()

in api/wheel_participant.py [0:0]

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

def create_participant(event):
    """
    Create a participant

    :param event: Lambda event containing the API Gateway request body including a name and a url and the
    path parameter wheel_id
    {
      "pathParameters":
      {
        "wheel_id": string ID of the wheel (DDB Hash Key)
      },
      "body":
      {
        "name": participant name string,
        "url: Valid URL for the participant,
      }
    }
    :return: response dictionary containing new participant object if successful
    {
      "body":
      {
        "id": string ID of the participant (DDB Hash Key),
        "wheel_id": string ID of the wheel (DDB Hash Key),
        "name": string name of the wheel,
        "url: URL for the participant,
        "created_at": creation timestamp,
        "updated_at": updated timestamp,
      }
    }
    """
    wheel_id = event['pathParameters']['wheel_id']
    body = event['body']
    if not check_string(body.get('name', None)) or not check_string(body.get('url', None)):
        raise base.BadRequestError("Participants require a name and url which must be at least 1 character in length")

    wheel = Wheel.get_existing_item(Key={'id': wheel_id})
    create_timestamp = get_utc_timestamp()

    participant = {
        'wheel_id': wheel_id,
        'id': get_uuid(),
        'name': body['name'],
        'url': body['url'],
        'created_at': create_timestamp,
        'updated_at': create_timestamp,
    }
    with choice_algorithm.wrap_participant_creation(wheel, participant):
        WheelParticipant.put_item(Item=participant)
    return participant