server.js

const express = require("express");
const bodyParser = require("body-parser");
const axios = require("axios");
const parser = require("./parse_news");
const utils = require("./utils");

const TABOOLA_API =
  "https://us-central1-vision-migration.cloudfunctions.net/la_hacks_2019?market_code=0";

const app = express();

const categories = [
  "all",
  "politics",
  "sports",
  "society",
  "business",
  "technology",
  "entertainment"
];

app.use(bodyParser.urlencoded({ extended: false }));

app.post("/lahacks", async (req, res) => {
  console.log("Received: " + req.body.Body);
  let inbMsg = req.body.Body.toLowerCase().trim();
  var stt = inbMsg.slice(0, 3);
  if (categories.includes(inbMsg)) {
    axios
      .get(TABOOLA_API)
      .then(async response => {
        // console.log(response.data.buckets[0].report.rollups[0]);
        const news = await parser.parse_buckets(
          response.data.buckets,
          inbMsg,
          5
        );
        if (news == "") {
          res.send(
            `<Response><Message>No trending articles for ${inbMsg} in last 24 hours.</Message></Response>`
          );
        } else {
          res.send(`<Response><Message>${news}</Message></Response>`);
        }
      })
      .catch(error => {
        console.log(error);
      });
  } else if (inbMsg == "ootl") {
    axios
      .get(TABOOLA_API)
      .then(async response => {
        const toptopic = utils.capital_letter(
          response.data.buckets[0].report.rollups[0].name
        );
        const news = await parser.parse_news(
          response.data.buckets[0],
          "all",
          1
        );
        res.send(
          "<Response><Message>Welcome to OutOfTheLoop!\n" +
            `\nTop trending topic: ${toptopic}\n\nTop trending article:\n${news}` +
            "Text back a category to explore more:" +
            "\n- Politics\n- Sports\n- Society\n- Business\n- Technology\n- Entertainment\n- All</Message></Response>"
        );
      })
      .catch(error => {
        console.log(error);
      });
  } else if (stt == "i'm" || stt == "im " || stt == "i a") {
    res.send(
      `<Response><Message>Hi,${inbMsg.slice(3)}. I'm dad</Message></Response>`
    );
  } else {
    res.send(
      '<Response><Message>Invalid category\n\nEither text "ootl" or a category:' +
        "\n- Politics\n- Sports\n- Society\n- Business\n- Technology\n- Entertainment\n- All</Message></Response>"
    );
  }
});

app.listen(process.env.PORT || 8080, () => console.log("listening"));