Voice Commands - Alexa Skill

index.js

/* eslint-disable  func-names */
/* eslint-disable  no-console */

const Alexa = require('ask-sdk-core');
const Amplify = require('aws-amplify');
const { API, graphqlOperation } = Amplify;

API.configure({
  'aws_appsync_region': 'us-west-2',
  'aws_appsync_authenticationType': 'API_KEY',
  'aws_appsync_graphqlEndpoint': '...',
  'aws_appsync_apiKey': '...'
});

const CreateCommand = `mutation createColorCommand($createcolorcommandinput: CreateColorCommandInput!) {
  createColorCommand(input: $createcolorcommandinput) {
    id
    timestamp
    color
  }
}
`;

async function sendCommand(d) {
  const command = await API.graphql(graphqlOperation(CreateCommand, d));
  console.log(command);
  return command;
}


const LaunchRequestHandler = {
  canHandle(handlerInput) {
    return handlerInput.requestEnvelope.request.type === 'LaunchRequest';
  },
  handle(handlerInput) {
    const speechText = 'Welcome to the Alexa Skills Kit, you can say hello!';

    return handlerInput.responseBuilder
      .speak(speechText)
      .reprompt(speechText)
      .withSimpleCard('Hello World', speechText)
      .getResponse();
  },
};

const HelloWorldIntentHandler = {
  canHandle(handlerInput) {
    return handlerInput.requestEnvelope.request.type === 'IntentRequest'
      && handlerInput.requestEnvelope.request.intent.name === 'HelloWorldIntent';
  },
  handle(handlerInput) {
    const speechText = 'Hello World!';

    sendCommand({
      "createcolorcommandinput": {
        "id": "x",
        "timestamp": "x",
        "color": "green"
      }
    });

    return handlerInput.responseBuilder
      .speak(speechText)
      .withSimpleCard('Hello World', speechText)
      .getResponse();
  },
};

const HelpIntentHandler = {
  canHandle(handlerInput) {
    return handlerInput.requestEnvelope.request.type === 'IntentRequest'
      && handlerInput.requestEnvelope.request.intent.name === 'AMAZON.HelpIntent';
  },
  handle(handlerInput) {
    const speechText = 'You can say hello to me!';

    return handlerInput.responseBuilder
      .speak(speechText)
      .reprompt(speechText)
      .withSimpleCard('Hello World', speechText)
      .getResponse();
  },
};

const CancelAndStopIntentHandler = {
  canHandle(handlerInput) {
    return handlerInput.requestEnvelope.request.type === 'IntentRequest'
      && (handlerInput.requestEnvelope.request.intent.name === 'AMAZON.CancelIntent'
        || handlerInput.requestEnvelope.request.intent.name === 'AMAZON.StopIntent');
  },
  handle(handlerInput) {
    const speechText = 'Goodbye!';

    return handlerInput.responseBuilder
      .speak(speechText)
      .withSimpleCard('Hello World', speechText)
      .getResponse();
  },
};

const SessionEndedRequestHandler = {
  canHandle(handlerInput) {
    return handlerInput.requestEnvelope.request.type === 'SessionEndedRequest';
  },
  handle(handlerInput) {
    console.log(`Session ended with reason: ${handlerInput.requestEnvelope.request.reason}`);

    return handlerInput.responseBuilder.getResponse();
  },
};

const ErrorHandler = {
  canHandle() {
    return true;
  },
  handle(handlerInput, error) {
    console.log(`Error handled: ${error.message}`);

    return handlerInput.responseBuilder
      .speak('Sorry, I can\'t understand the command. Please say again.')
      .reprompt('Sorry, I can\'t understand the command. Please say again.')
      .getResponse();
  },
};

const skillBuilder = Alexa.SkillBuilders.custom();

exports.handler = skillBuilder
  .addRequestHandlers(
    LaunchRequestHandler,
    HelloWorldIntentHandler,
    HelpIntentHandler,
    CancelAndStopIntentHandler,
    SessionEndedRequestHandler
  )
  .addErrorHandlers(ErrorHandler)
  .lambda();