youtube-music/plugins/lumiastream/back.ts

import { BrowserWindow , net } from 'electron';

import registerCallback from '../../providers/song-info';

const secToMilisec = (t?: number) => t ? Math.round(Number(t) * 1e3) : undefined;
const previousStatePaused = null;

type LumiaData = {
  origin: string;
  eventType: string;
  url?: string;
  videoId?: string;
  playlistId?: string;
  cover?: string|null;
  cover_url?: string|null;
  title?: string;
  artists?: string[];
  status?: string;
  progress?: number;
  duration?: number;
  album_url?: string|null;
  album?: string|null;
  views?: number;
  isPaused?: boolean;
}
const data: LumiaData = {
  origin: 'youtubemusic',
  eventType: 'switchSong',
};


const post = (data: LumiaData) => {
  const port = 39231;
  const headers = {
    'Content-Type': 'application/json',
    'Accept': 'application/json',
    'Access-Control-Allow-Headers': '*',
    'Access-Control-Allow-Origin': '*',
  };
  const url = `http://localhost:${port}/api/media`;

  net.fetch(url, { method: 'POST', body: JSON.stringify({ token: 'lsmedia_ytmsI7812', data }), headers })
    .catch((error: { code: number, errno: number }) => {
      console.log(
        `Error: '${
          error.code || error.errno
        }' - when trying to access lumiastream webserver at port ${port}`
      );
    });
};

export default (_: BrowserWindow) => {
  registerCallback((songInfo) => {
    if (!songInfo.title && !songInfo.artist) {
      return;
    }

    if (previousStatePaused === null) {
      data.eventType = 'switchSong';
    } else if (previousStatePaused !== songInfo.isPaused) {
      data.eventType = 'playPause';
    }

    data.duration = secToMilisec(songInfo.songDuration);
    data.progress = secToMilisec(songInfo.elapsedSeconds);
    data.url = songInfo.url;
    data.videoId = songInfo.videoId;
    data.playlistId = songInfo.playlistId;
    data.cover = songInfo.imageSrc;
    data.cover_url = songInfo.imageSrc;
    data.album_url = songInfo.imageSrc;
    data.title = songInfo.title;
    data.artists = [songInfo.artist];
    data.status = songInfo.isPaused ? 'stopped' : 'playing';
    data.isPaused = songInfo.isPaused;
    data.album = songInfo.album;
    data.views = songInfo.views;
    post(data);
  });
};