Bot lambda function that uses external site search and returns results for user to select from

external-sitesearch.js

const request = require('request');

exports.main = (event, callback) => {
  //Your code goes here.
  if (event.userMessage.quickReply === null) {
    const requestUrl = `https://www.govplanet.com/jsp/s/search/autocomplete.do?regex=${event.userMessage.message}` 

    request(requestUrl, function (error, response, body) {
      const data = JSON.parse(body);
      const quickReplies = [];

      for (var i = 0; i < data.terms.autocomplete.length; i = i + 2) {
        let rawValue = data.terms.autocomplete[i];
        let sliceLoc = rawValue.indexOf('|');
        var option = {};
        if (sliceLoc !== -1) {
          option = {
            value: rawValue.substring(0, sliceLoc),
            label: rawValue.substring(0, sliceLoc)
          }
        } else {
          option = {
            value: rawValue,
            label: rawValue
          }
        }
        quickReplies.push(option);
      }

      let responseJson = {
        "botMessage": "Perfect! Which category best represents what you're looking for?",
        "quickReplies": quickReplies,
        "responseExpected": true
      }
      callback(responseJson);
    });
  } else {
    let responseJson = {
      "botMessage": `Great! So you're looking to sell a ${event.userMessage.quickReply.quickReplies[0].label}`,
      "customState": {
        "category": event.userMessage.quickReply.quickReplies[0].label
      },
      "responseExpected": false
    }
    callback(responseJson);
  }
};