Discord Last.fm Rich Presence

lfm-rich-presence-headless.js

// modified from https://github.com/PvtTyphoon/lfm-rich-presence

const rpc = require("discord-rpc");
const rp = new rpc.Client({
  transport: "ipc",
});
const fetch = require("request-promise");
const prettyMilliseconds = require("pretty-ms");
function formatNumber(number) {
  var x = number.split(".");
  var x1 = x[0];
  var x2 = x.length > 1 ? "." + x[1] : "";
  var rgx = /(\d+)(\d{3})/;
  while (rgx.test(x1)) {
    x1 = x1.replace(rgx, "$1" + "," + "$2");
  }
  return x1 + x2;
}
const { stdin, stdout } = process;
function prompt(question) {
  return new Promise((resolve, reject) => {
    stdin.resume();
    stdout.write(question);
    stdin.on("data", (data) => resolve(data.toString().trim()));
    stdin.on("error", (err) => reject(err));
  });
}
const apiKey = "615322f0047e12aedbc610d9d71f7430"; // If you wish to compile this yourself

rp.on("ready", async () => {
  const username = await prompt(
    "Type out your last.fm username and then hit enter: "
  );
  //const username = "Vel0cityX";
  console.log("Connecting.");
  updateStatus();
  setInterval(function () {
    updateStatus();
  }, 30000);
  console.log("Discord rich presence established.");
  async function updateStatus() {
    var data = await fetchCurrentScrobble(username);
    const hasSmallImage = (data.scrobbleStatus != "");
    const hasLargeImage = (data.cover !== undefined && data.cover != "");
    const newActivity = {
      largeImageKey: hasLargeImage ? data.cover : "empty",
      largeImageText: `${data.playcount} plays`,
      smallImageKey: hasSmallImage ? (data.whenScrobbled ? "play" : "stop") : undefined,
      smallImageText: hasSmallImage ? data.scrobbleStatus : undefined,
      details: data.trackName,
      state: `by ${data.artist} | on ${data.album}`,
      buttons: [
        {
          // label: `${formatNumber(data.scrobbles)} total scrobbles.`,
          // label: `Last.fm Profile (${username})`,
          label: `Last.fm Profile`,
          url: `https://www.last.fm/user/${username}`,
        },
      ],
    };
    console.log("setting activity to:");
    console.log(newActivity);
    rp.setActivity(newActivity);
    console.log(`Discord status updated.`);
  }
});
rp.login({
  // clientId: "868813214740271135",
  clientId: "925883373208100946",
});
async function fetchCurrentScrobble(user) {
  var optionsGetTrack = {
    uri: "http://ws.audioscrobbler.com/2.0/",
    json: true,
    qs: {
      method: "user.getrecenttracks",
      user: user,
      api_key: apiKey,
      format: "json",
      limit: "1",
    },
  };

  const lastTrack = await fetch(optionsGetTrack);
  if (!lastTrack)
    return console.log(
      "An error occured, you may have provided an invalid username or last.fm may be facing issues, retrying in 30 seconds."
    );
  let lastArtist = lastTrack.recenttracks.track[0].artist["#text"];
  let lastTrackName = lastTrack.recenttracks.track[0].name;

  var options = {
    uri: "http://ws.audioscrobbler.com/2.0/",
    json: true,
    qs: {
      method: "track.getInfo",
      user: user,
      track: lastTrackName,
      artist: lastArtist,
      api_key: apiKey,
      format: "json",
    },
  };
  const rData = await fetch(options);
  const data = {
    artist: lastTrack.recenttracks.track[0].artist["#text"],
    album: lastTrack.recenttracks.track[0].album["#text"],
    trackName: lastTrack.recenttracks.track[0].name,
    playcount: rData.track.userplaycount ? rData.track.userplaycount : "0",
    scrobbles: lastTrack.recenttracks["@attr"].total,
    whenScrobbled: lastTrack.recenttracks.track[0]["@attr"],
    scrobbleStatus: !lastTrack.recenttracks.track[0]["@attr"]
      ? `Last scrobbled ${prettyMilliseconds(
          Date.now() - lastTrack.recenttracks.track[0].date.uts * 1000, { compact: true }
        )} ago.
    `
      // : "Now scrobbling. ",
      : "",
    cover:
      lastTrack.recenttracks.track[0].image[
        lastTrack.recenttracks.track[0].image.length - 1
      ]["#text"],
  };
  return data;
}