index.js

var express = require("express");
var morgan = require("morgan");
var bodyParser = require("body-parser");
var request = require("request-promise");

var app = express();

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

app.post("/", function(req, res, next) {
  res.type("text");
  switch (req.body.command) {
    case "/whereis":
      var user = req.body.text;
      if (user[0] === "@") user = user.slice(1);
      var url =
        "https://calendar.google.com/calendar/embed?mode=AGENDA&height=600&wkst=1&bgcolor=%23FFFFFF&src=" +
        user +
        "%40goodeggs.com&color=%2329527A&ctz=America%2FLos_Angeles";
      res
        .status(200)
        .send("Click to open <" + url + "|@" + user + "'s calendar>");
      break;

    case "/helpscout":
      var newConvo = req.body.text.split(" ");
      var customer = newConvo[0];
      var mailbox = newConvo[1];
      var removeItems = newConvo.splice(0, 2);
      var subject = newConvo.join(" ");

      if (mailbox === "it") {
        mailbox = 19176;
      } else if (mailbox === "devops") {
        mailbox = 98082;
      } else if (mailbox === "ops-eng") {
        mailbox = 23490;
      } else if (mailbox === "dg") {
        mailbox = 159333;
      } else if (mailbox === "shopping") {
        mailbox = 35872;
      } else {
        throw Error;
      }

      var conversation = {
        type: "email",
        customer: {
          email: customer,
          type: "customer"
        },
        subject: subject,
        mailbox: {
          id: mailbox
        },
        tags: ["source-human", "source-slack"],
        threads: [
          {
            type: "customer",
            createdBy: {
              email: customer,
              type: "customer"
            },
            body: "This ticket was created via slack."
          }
        ]
      };

      request
        .post("https://api.helpscout.net/v1/conversations.json", {
          auth: {
            user: process.env.HELPSCOUT,
            password: process.env.HELPSCOUT_PASSWORD
          },
          body: conversation,
          json: true,
          resolveWithFullResponse: true
        })
        .then(function(response) {
          //do some stuff
          var url = response.headers.location;
          ticket = url
            .split("/")
            .pop()
            .split(".")
            .shift();
          return res.send(
            "Helpscout Ticket: " +
              "https://secure.helpscout.net/conversation/" +
              ticket
          );
        })
        .catch(function(err) {
          res.send(err);
        });
      break;

    default:
      next();
  }
});

app.use(function(req, res, next) {
  res.status(404).send("command not found");
});

var server = app.listen(process.env.PORT || "3000", "0.0.0.0", function() {
  console.log(
    "listening on " + server.address().address + ":" + server.address().port
  );
});

process.once("SIGTERM", server.close.bind(server));
process.once("SIGINT", server.close.bind(server));