def update_participant()

in api/wheel_participant.py [0:0]

• 15 lines of code
• 7 McCabe index (conditional complexity)

def update_participant(event):
    """
    Update a participant's name and/or url

    :param event: Lambda event containing the API Gateway request body including updated name or url and the
    path parameters wheel_id and participant_id
    {
      "pathParameters":
      {
        "wheel_id": string ID of the wheel (DDB Hash Key)
        "participant_id": string ID of the participant (DDB Hash Key)
      },
      "body":
      {
        "id": string ID of the participant (DDB Hash Key),
        "name": string name of the wheel (optional),
        "url: Valid URL for the participant (optional),
      }
    }
    :return: response dictionary containing the updated 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']
    participant_id = event['pathParameters']['participant_id']
    # Check that the participant exists
    participant = WheelParticipant.get_existing_item(Key={'id': participant_id, 'wheel_id': wheel_id})
    body = event['body']
    params = {'updated_at': get_utc_timestamp()}
    if not check_string(body.get('name', 'Not Specified')) or not check_string(body.get('url', 'Not Specified')):
        raise base.BadRequestError("Participants names and urls must be at least 1 character in length")

    if 'name' in body:
        params['name'] = body['name']

    if 'url' in body:
        params['url'] = body['url']

    WheelParticipant.update_item(Key={'id': participant_id, 'wheel_id': wheel_id}, **to_update_kwargs(params))
    participant.update(params)
    return participant