Creating a Chuck Norris themed Slack app using Webtask.io

chuckNorris.js

"use strict";

const rp = require("request-promise");
const Promise = require("bluebird");

// Get Random Chuck Norris Quote
const getRandomChuckNorrisQuote = () => {
  return rp({
    uri: "https://api.chucknorris.io/jokes/random",
    json: true
  }).then(data => data.value);
}

const askChuckNorris = (q) => {
  return rp({
    uri: `https://api.chucknorris.io/jokes/search?query=${q}`,
    json: true
  }).then((data) => {
    if (data.total) {
      // return a random result
      return data.result[Math.floor(Math.random() * data.total, 1)].value;
    } else {
      return `I don't understand ${q}`;
    }
  });
}

module.exports = (ctx, cb) => {

  const errorHandler = (err) => {
    cb(err);
  }

  const successHandler = (text) => {
    cb(null, {
      text
    });
  }

  const params = ctx.body.text;

  if (params) {
    askChuckNorris(params).then(successHandler).catch(errorHandler);
  } else {
    getRandomChuckNorrisQuote().then(successHandler).catch(errorHandler);
  }
}