chatbot.js

exports.handler = function(context, event, callback) {
    var SquareConnect = require('square-connect');
    var Twilio = require('twilio');
    
    var accessToken = context.accessToken;
    var locationId = context.locationId;
    
    var messageBody = event.message;
    var number = event.number;
    
    // Configure authorization for the SDK
    var defaultClient = SquareConnect.ApiClient.instance;
    var oauth2 = defaultClient.authentications['oauth2'];
    oauth2.accessToken = accessToken;
    var checkoutApi = new SquareConnect.CheckoutApi();

    var orderRequest ={
      idempotency_key: new Date().getTime().toString(),
      line_items: [{
        quantity: '1',
        base_price_money:{
          amount: 1500,
          currency: 'USD'
        },
        note:"Ordered via SMS: " + number,
      }]
    } ;
    
    var itemName
    if (messageBody.toLowerCase().includes("small")) {
      itemName = "Awesome Hat (small)";
    } else if (messageBody.toLowerCase().includes("medium")) {
      itemName = "Awesome Hat (medium)";
    } else if (messageBody.toLowerCase().includes("large")) {
      itemName = "Awesome Hat (large)";
    } else {
      console.error("Something has gone wrong!");
      callback(null, twiml);
    }
  orderRequest.line_items[0].name = itemName
  
    var checkoutRequest = {
      idempotency_key: new Date().getTime().toString(),
      order: orderRequest,
      ask_for_shipping_address: true
    }
   
    checkoutApi.createCheckout(locationId, checkoutRequest).then(function(data) {
      let twiml = new Twilio.twiml.MessagingResponse();
      twiml.message('Awe-some! finish up checking out here: '+ data.checkout.checkout_page_url);
      callback(null, twiml);
    }, function(error) {
      console.error(error.response);
      callback(null, error.response);
    });
};