Is it possible to access the Customer Profile API using the Cloud9 code editor in the AWS Lambda web console? If so, how?

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jbenzie asked · Nov 07, 2018 at 06:47 PM

Is it possible to access the Customer Profile API using the Cloud9 code editor in the AWS Lambda web console? If so, how?

First off, I'm new to Alexa skill development, so I have much to learn. I've been banging my head off the desk trying to figure this out. I've found various tutorials and have gone over the information provided by Amazon for accessing the Customer Profile API via an Alexa skill but still can't manage to obtain the customer's phone number.

I'm using the AWS console in-line code editor (Cloud9). Most, if not all, instructions use something like 'axios', 'request', or 'https' modules which I don't think is possible unless you use the ask-cli (please correct me if I'm wrong). Also, I followed a tutorial to initially create the skill which had me use Skillinator.io to create an AWS Lambda template based on the skill's JSON in the Amazon Developer console. The format of the code in the Customer Profile API tutorials does not match what was provided by the Skillinator.io tool. The way the Intent handlers are set up is different, which is where I believe my confusion is coming from. Here's an example:

Skillinator.io code:

<code>const handlers ={'LaunchRequest':function(){
        welcomeOutput ='Welcome to the Alexa Skills Kit!';
        welcomeReprompt ='You can say, Hello!';this.emit(':ask', welcomeOutput, welcomeReprompt);},};

Tutorial code:

<code>constLaunchRequestHandler={
  canHandle(handlerInput){return handlerInput.requestEnvelope.request.type ==='LaunchRequest';},
   handle(handlerInput){const speechText ='Welcome to the Alexa Skills Kit!';return handlerInput.responseBuilder
        .speak(speechText).reprompt(speechText).withSimpleCard('Hello World', speechText).getResponse();}};

Can anyone shed some light and help me understand why there is a difference in the way the handlers are formatted, and how (if possible) to create the request to the Customer Profile API and obtain the customer's phone number using the Skillinator.io template and AWS Lambda code editor?

I've already completed the steps for the necessary permissions/account linking.

Thanks in advance.

alexa skills kit api nodejs amazon web services

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2 Answers

Answer 1 · 2018-11-08T06:10:43Z

Anand@Amazon answered · Nov 08, 2018 at 06:10 AM · ACCEPTED ANSWER

Try using below code in you skill. It's in SDK V2 version and easy to use.

Note : Remember you need to enable mobile permission in developer portal.

const MobileIntentHandler = { 
          canHandle(handlerInput) {    
            return handlerInput.requestEnvelope.request.type === 'IntentRequest'     
              && handlerInput.requestEnvelope.request.intent.name === 'MobileIntent';   
          },
      
          async handle(handlerInput) {
            const { serviceClientFactory, responseBuilder } = handlerInput;  
            try {   
              const upsServiceClient = serviceClientFactory.getUpsServiceClient();   
              const profileMobileObject = await upsServiceClient.getProfileMobileNumber();   
              if (!profileMobileObject) {     
                const errorResponse = `It looks like you don\'t have a mobile number set. You can set your mobile number from the companion app.`
       
                return responseBuilder
                    .speak(errorResponse)
                    .withSimpleCard(APP_NAME, errorResponse)  
                    .getResponse();  
              }

              const profileMobile = profileMobileObject.phoneNumber;  
              const speechResponse = `Hello your mobile number is, <say-as interpret-as="telephone">${profileMobile}</say-as>`;   
              const cardResponse = `Hello your mobile number is, ${profileMobile}`

              return responseBuilder 
                     .speak(speechResponse)
                     .withSimpleCard(APP_NAME, cardResponse)
                     .getResponse(); 
      
            } catch (error) {      
              console.log(JSON.stringify(error));   
              if (error.statusCode == 403) {
                return responseBuilder
                        .speak(messages.NOTIFY_MISSING_PERMISSIONS)
                        .withAskForPermissionsConsentCard([MOBILE_PERMISSION])
                        .getResponse();    
              }
              console.log(JSON.stringify(error));
              const response = responseBuilder.speak(messages.ERROR).getResponse();
              return response;
     }
   },    
}

I have written a sample code which you can use for your reference.

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jbenzie · Nov 08, 2018 at 01:00 PM

Thank you for your response. I do have the mobile permissions enabled. I've added this to my project and have remove my existing MobileIntent (I'm assuming there'd be a conflict of some sort). When I call the MobileIntent, the response I get is from the FallBackIntent. How do I actually access the code you've provided above?

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Anand@Amazon ♦ jbenzie · Nov 09, 2018 at 07:02 AM

Hi Jbenzie,

Can you share the complete code with us including all import libraries? You can put it on Github and I will try to find out the root cause. The sample code which I provided works for me so may be some issue with libraries or in interaction model.

Please also share your skill id going forward.

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Answer 2 · 2018-11-07T19:30:23Z

RokasV answered · Nov 07, 2018 at 07:30 PM

The reason why code is different is because of sdk versions. First snippet of code is how handlers were written in v1 sdk. Second snippet is an example of v2 sdk.

How to get account info without external dependencies:

const https = require("https")

function getAccountInfo(accessToken) {
  const url = `https://api.amazon.com/user/profile?access_token=${accessToken}`;
  return new Promise(resolve => {
    https.get(url, res => {
      res.setEncoding("utf8");
      let body = "";
      res.on("data", data => {
        body += data;
      });
      res.on("end", () => {
        resolve(JSON.parse(body));
      });
    })
  })
}

async function main() {
  console.log(await getAccountInfo('token from the user'))
}

You can put this function as helper and reuse it through out the code. It has no external dependencies, so should work in your case.

Even though I recommend checking out sdk v2 examples and trying them out. It will be much easier to work locally instead of using rigid lambda code editor.

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jbenzie · Nov 07, 2018 at 07:41 PM

Thank you for your response. It is much appreciated. Please excuse my ignorance, but how would I then assign something like the phone number to a variable to be stored and/or used elsewhere?

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RokasV jbenzie · Nov 07, 2018 at 08:29 PM

Which type of sdk are you using? v1 or v2?

If you want to use this phone number only in session, you can assign it to session attributes and use it for as long as session doesn't end.

v1

this.attributes = phoneNumber

v2

const sessionAttributes = handlerInput.attributesManager.getSessionAttributes()

sessionAttributes = phoneNumber

handlerInput.attributesManager.setSessionAttributes(sessionAttributes)

If you want to persist it longer than that, then then you need to use something like dynamo, to persist these session attributes.

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jbenzie RokasV · Nov 07, 2018 at 08:37 PM

I'm using sdk v1. I guess my question would be; where do I actually perform the assignment? Would it be something like:

async function main() {
    var phoneNumber = await getAccountInfo(accesstoken);
    this.attributes['phoneNumber'] = phoneNumber;
}

Also, if I hard code the accessToken value into the url it seems to fetch the data successfully (although I'm only seeing userId, name, and email. No phone number.). However, if I use a variable, 'accessToken', in the url, it fails and says the access_token is invalid.

My apologies for all the questions. I really appreciate your help.

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Is it possible to access the Customer Profile API using the Cloud9 code editor in the AWS Lambda web console? If so, how?

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