106 lines
3.0 KiB
JavaScript
106 lines
3.0 KiB
JavaScript
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const readline = require("readline");
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const ytdl = require("ytdl-core");
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const ffmpeg = require("fluent-ffmpeg");
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const id3 = require('node-id3');
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const axios = require('axios');
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var request = require("request").defaults({ encoding: null });
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const chalk = require('chalk');
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/**
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* log function for logging in one shell line.
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* @param something the thing that should be logged.
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*/
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const log = (something) => {
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readline.clearLine(process.stdout, 0);
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readline.cursorTo(process.stdout, 0);
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process.stdout.write(something);
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}
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const convertTime = (timeString /* '00:00:46.27' */) => {
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const timeParts = timeString.split(':');
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let seconds = Number(timeParts[2]);
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seconds = seconds + (Number(timeParts[1]) * 60) + (Number(timeParts[0]) * 60 * 60);
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return seconds;
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};
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if (process.argv.length !== 5) {
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console.log(chalk.red('Not getting metadata for this song!'));
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}
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ffmpeg.setFfmpegPath(__dirname + '/ffmpeg');
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log(chalk.yellow("ℹ️ Getting information from YouTube..."));
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ytdl.getInfo(process.argv[2], (err, info) => {
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let stream = ytdl(process.argv[2], {
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quality: "highestaudio"
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//filter: 'audioonly',
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});
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const path = `${__dirname}/music/${info.title}.mp3`;
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log(chalk.yellow("🏁 Starting download..."));
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ffmpeg(stream)
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.audioBitrate(128)
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.save(path)
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.on("progress", p => {
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const progress = convertTime(p.timemark);
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log(
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chalk.blue(
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`⬇️ ${Math.floor(
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(progress / Number(info.length_seconds)) * 100
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)}% downloaded.`
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)
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);
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})
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.on('error', err => {
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log(chalk.red('Error: ' + err.message))
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process.exit();
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})
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.on("end", () => {
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if (process.argv.length === 5) {
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// Retreiving info from itunes api and writing tags to downloaded file.
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const artist = process.argv[3];
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const song = process.argv[4];
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log(chalk.yellow("🎵 Calling iTunes api..."));
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axios.get(`https://itunes.apple.com/search?term=${artist} ${song}&entity=song`).then(res => {
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request.get(res.data.results[0].artworkUrl100, function(err, _res, body) {
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log(chalk.green("✅ Retreived information!"));
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var tags = {
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title: song,
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artist: res.data.results[0].artistName,
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album: res.data.results[0].collectionName,
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image: {
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mime: "jpeg",
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type: {
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id: 3,
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name: "front cover"
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},
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imageBuffer: body
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},
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date: res.data.results[0].releaseDate,
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fileType: "mp3",
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genre: res.data.results[0].primaryGenreName
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};
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log(chalk.yellow("✍🏻 Writing tags to mp3 file..."));
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id3.update(tags, path);
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log(chalk.green(`✅ Successfully downloaded ${info.title}.mp3!\n`));
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process.exit();
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});
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});
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} else {
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log(chalk.green(`✅ Successfully downloaded ${info.title}.mp3!`));
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process.exit();
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}
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});
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});
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