protocols i o

intent-schema.json

{
  "intents": [
    {
      "intent": "MyKeywordIsIntent",
      "slots": [
        {
          "name": "Keyword",
          "type": "PROTOCOL_KEYWORDS"
        }
      ]
    },
    {
      "intent": "WhatsMyKeywordIntent"
    },
    {
      "intent": "AMAZON.HelpIntent"
    }
  ]
}

lambda.py

"""
This sample demonstrates a simple skill built with the Amazon Alexa Skills Kit.
The Intent Schema, Custom Slots, and Sample Utterances for this skill, as well
as testing instructions are located at http://amzn.to/1LzFrj6

For additional samples, visit the Alexa Skills Kit Getting Started guide at
http://amzn.to/1LGWsLG
"""

from __future__ import print_function
import json
import os
import urllib.parse
import urllib.request
# from collections import deque

# DEFAULT_COLOR = os.environ['DEFAULT_COLOR']
PROTOCOLS_IO_ACCESS_TOKEN = os.environ['PROTOCOLS_IO_ACCESS_TOKEN']

# --------------- Helpers that build all of the responses ----------------------

def build_speechlet_response(title, output, reprompt_text, should_end_session):
    return {
        'outputSpeech': {
            'type': 'PlainText',
            'text': output
        },
        'card': {
            'type': 'Simple',
            'title': "SessionSpeechlet - " + title,
            'content': "SessionSpeechlet - " + output
        },
        'reprompt': {
            'outputSpeech': {
                'type': 'PlainText',
                'text': reprompt_text
            }
        },
        'shouldEndSession': should_end_session
    }


def build_response(session_attributes, speechlet_response):
    return {
        'version': '1.0',
        'sessionAttributes': session_attributes,
        'response': speechlet_response
    }


# --------------- Functions that control the skill's behavior ------------------

def get_welcome_response():
    """ If we wanted to initialize the session to have some attributes we could
    add those here
    """

    session_attributes = {}
    card_title = "Welcome"
    speech_output = "Welcome to Proxa. " \
                    "Please tell me what protocol to search for " \
                    "by saying, search protocols i o for cell culture"
    # If the user either does not reply to the welcome message or says something
    # that is not understood, they will be prompted again with this text.
    reprompt_text = "Please tell me what protocol to search for by saying, " \
                    "search protocols i o for cell culture."
    should_end_session = False
    return build_response(session_attributes, build_speechlet_response(
        card_title, speech_output, reprompt_text, should_end_session))


def handle_session_end_request():
    card_title = "Session Ended"
    speech_output = "I hope your experiment was successful. " \
                    "Have a nice day! "
    # Setting this to true ends the session and exits the skill.
    should_end_session = True
    return build_response({}, build_speechlet_response(
        card_title, speech_output, None, should_end_session))


# def create_favorite_color_attributes(favorite_color):
#     return {"favoriteColor": favorite_color}


def set_keyword_in_session(intent, session):
    """ Sets the color in the session and prepares the speech to reply to the
    user.
    """

    card_title = intent['name']
    session_attributes = {}
    should_end_session = False

    keyword = intent['slots']['Keyword']['value']
    session_attributes['keyword'] = keyword

    url = 'https://protocols.io/api/open/get_protocols'
    values = {
        'access_token': PROTOCOLS_IO_ACCESS_TOKEN,
        'key': keyword,
    }

    data = urllib.parse.urlencode(values).encode("utf-8")
    req = urllib.request.Request(url, data)
    response = urllib.request.urlopen(req)
    the_page = response.read()
    

    total_results = json.loads(the_page)['total_results']
    session_attributes['total_results'] = total_results

    # protocol_list = deque(json.loads(the_page)['protocols'])
    # protocol_list = json.loads(the_page)['protocols']
    # session['attributes']['protocol_list'] = json.dumps(protocol_list)
    # session_attributes['protocol_list'] = json.dumps(protocol_list)

    speech_output = "I've found {} protocols related to {}".format(total_results, keyword) + \
                    ". Say list protocols to hear the {} protocols".format(keyword)
    reprompt_text = "You can ask me your search term by saying, " \
                    "what am I searching for?"

    return build_response(session_attributes, build_speechlet_response(
        card_title, speech_output, reprompt_text, should_end_session))


def get_keyword_from_session(intent, session):
    session_attributes = session.get('attributes', {})
    reprompt_text = None

    if "keyword" in session.get('attributes', {}):
        keyword = session['attributes']['keyword']
        speech_output = "Your search term is {}. ".format(keyword) + \
                        "Say list protocols to hear the {} protocols".format(keyword)
        should_end_session = False
    else:
        speech_output = "I'm not sure what your search term is. " \
                        "You can say, search protocols i o for cell culture."
        should_end_session = False

    # Setting reprompt_text to None signifies that we do not want to reprompt
    # the user. If the user does not respond or says something that is not
    # understood, the session will end.
    return build_response(session_attributes, build_speechlet_response(
        intent['name'], speech_output, reprompt_text, should_end_session))


# --------------- Events ------------------

def on_session_started(session_started_request, session):
    """ Called when the session starts """

    print("on_session_started requestId=" + session_started_request['requestId']
          + ", sessionId=" + session['sessionId'])


def on_launch(launch_request, session):
    """ Called when the user launches the skill without specifying what they
    want
    """

    print("on_launch requestId=" + launch_request['requestId'] +
          ", sessionId=" + session['sessionId'])
    # Dispatch to your skill's launch
    return get_welcome_response()


def on_intent(intent_request, session):
    """ Called when the user specifies an intent for this skill """

    print("on_intent requestId=" + intent_request['requestId'] +
          ", sessionId=" + session['sessionId'])

    intent = intent_request['intent']
    intent_name = intent_request['intent']['name']

    # Dispatch to your skill's intent handlers
    if intent_name == "MyKeywordIsIntent":
        return set_keyword_in_session(intent, session)
    elif intent_name == "WhatsMyKeywordIntent":
        return get_keyword_from_session(intent, session)
    elif intent_name == "AMAZON.HelpIntent":
        return get_welcome_response()
    elif intent_name == "AMAZON.CancelIntent" or intent_name == "AMAZON.StopIntent":
        return handle_session_end_request()
    else:
        raise ValueError("Invalid intent")


def on_session_ended(session_ended_request, session):
    """ Called when the user ends the session.

    Is not called when the skill returns should_end_session=true
    """
    print("on_session_ended requestId=" + session_ended_request['requestId'] +
          ", sessionId=" + session['sessionId'])
    # add cleanup logic here


# --------------- Main handler ------------------

def lambda_handler(event, context):
    """ Route the incoming request based on type (LaunchRequest, IntentRequest,
    etc.) The JSON body of the request is provided in the event parameter.
    """
    print("event.session.application.applicationId=" +
          event['session']['application']['applicationId'])

    """
    Uncomment this if statement and populate with your skill's application ID to
    prevent someone else from configuring a skill that sends requests to this
    function.
    """
    # if (event['session']['application']['applicationId'] !=
    #         "amzn1.echo-sdk-ams.app.[unique-value-here]"):
    #     raise ValueError("Invalid Application ID")

    if event['session']['new']:
        on_session_started({'requestId': event['request']['requestId']},
                           event['session'])

    if event['request']['type'] == "LaunchRequest":
        return on_launch(event['request'], event['session'])
    elif event['request']['type'] == "IntentRequest":
        return on_intent(event['request'], event['session'])
    elif event['request']['type'] == "SessionEndedRequest":
        return on_session_ended(event['request'], event['session'])

PROTOCOL KEYWORDS

cell culture
purification

sample-utterances.txt

MyKeywordIsIntent Search protocols i o for {Keyword}
WhatsMyKeywordIntent what am I searching for