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'use strict';
(async () => {
function die(message, code) {
if (message) { console.log(message) }
if (code) {
process.exit(code);
} else {
process.exit(0);
}
}
String.prototype.isBase64 = function () {
return Buffer.from(this, 'base64').toString('base64').split("=")[0].substring(0, Buffer.from(this, 'base64').toString('base64').split("=")[0].length - 1) === this.substring(0, this.length - 1);
}
const exec = require('child_process').execFileSync;
const fs = require('fs');
const axios = require('axios');
const Genius = require("genius-lyrics");
const g = new Genius.Client();
if (process.argv[2] !== undefined) {
global.id = process.argv[2];
if (!id.isBase64() || id.length !== 34) {
die("Invalid playlist ID");
}
} else {
console.log("Please specify playlist ID");
}
if (process.argv[3] !== undefined) {
global.overrideAlbum = true;
global.overrideAlbumName = process.argv[3];
} else {
global.overrideAlbum = false;
}
console.log("Preparing folder structure...");
if (!fs.existsSync("./_youtoo")) fs.mkdirSync("./_youtoo");
if (!fs.existsSync("./_youtoo/Dumps")) fs.mkdirSync("./_youtoo/Dumps");
if (!fs.existsSync("./_youtoo/Result")) fs.mkdirSync("./_youtoo/Result");
if (!fs.existsSync("./_youtoo/Metadata")) fs.mkdirSync("./_youtoo/Metadata");
if (!fs.existsSync("./_youtoo/AlbumArts")) fs.mkdirSync("./_youtoo/AlbumArts");
console.log("Gathering playlist data...");
let playlist = JSON.parse(exec("yt-dlp", [ "--flat-playlist", "--dump-single-json", "https://www.youtube.com/playlist?list=" + id ]).toString());
fs.writeFileSync("./_youtoo/Dumps/PlaylistDataRaw.json", JSON.stringify(playlist, null, 4));
let songs = playlist.entries.map(i => i.id);
fs.writeFileSync("./_youtoo/Dumps/PlaylistDataList.json", JSON.stringify(songs, null, 4));
console.log("Found " + songs.length + " songs");
for (let song of songs) {
if (!fs.existsSync("./_youtoo/Result/" + song + ".mp3")) {
console.log("[" + song + "] Gathering metadata...");
exec("yt-dlp", [ "-o", "./_youtoo/_audio", "--skip-download", "--write-info-json", "https://www.youtube.com/watch?v=" + song ], { stdio: "inherit" })
let metadata = JSON.parse(fs.readFileSync("./_youtoo/_audio.info.json").toString());
fs.writeFileSync("./_youtoo/Dumps/MetadataRaw" + song + ".json", JSON.stringify(metadata, null, 4));
console.log("[" + song + "] Parsing metadata...");
let partists = (metadata.track ?? metadata.alt_title ?? metadata.title).replace(/^([:\"'a-zA-Z0-9 .\-*\_\/\\,&]*)-(.*)/gm, "$1") !== (metadata.track ?? metadata.alt_title ?? metadata.title) ? (metadata.track ?? metadata.alt_title ?? metadata.title).replace(/^([:\"'a-zA-Z0-9 .\-*\_\/\\,&]*)-(.*)/gm, "$1") : "";
let partists2 = (metadata.track ?? metadata.alt_title ?? metadata.title).replace(/(.*)\((feat|ft|with)(\.|:| |)(| |)([:\"'a-zA-Z0-9 .\-*\_\/\\,&]*)\)(.*)/gmi, "$5") !== (metadata.track ?? metadata.alt_title ?? metadata.title) ? (metadata.track ?? metadata.alt_title ?? metadata.title).replace(/(.*)\((feat|ft|with)(\.|:| |)(| |)([:\"'a-zA-Z0-9 .\-*\_\/\\,&]*)\)(.*)/gmi, "$5") : "";
let artistsList = Array.from(new Set([...(metadata.artist ?? metadata.creator ?? metadata.uploader).replace(/(, |,|and |And |&)/gm, "|").split("|").map(i => i.trim()), ...partists.replace(/(, |,|and |And |&)/gm, "|").split("|").map(i => i.trim()), ...partists2.replace(/(, |,|and |And |&)/gm, "|").split("|").map(i => i.trim())])).filter(i => i.trim() !== "");
let songTitle = (metadata.track ?? metadata.alt_title ?? metadata.title).replace(/^([:\"'a-zA-Z0-9 .\-*\_\/\\,&]*)-( |)(.*)(\[(.*)\]|)/gm, "$3").replace(/(.*)\((feat|ft|with)(\.|:| |)(| |)([:\"'a-zA-Z0-9 .\-*\_\/\\,&]*)\)(.*)/gmi, "$1").replace(/(.*)\[(.*)\](.*)/gm, "$1").replace(/(.*)\((from|in|by)(\.|:| |)(| |)([:\"'a-zA-Z0-9 .\-*\_\/\\,&]*)\)(.*)/gmi, "$1").trim();
console.log("[" + song + "] Gathering lyrics...");
let lyricsComplete = false;
let lyrics = "";
try {
let geniusSearchArtist = artistsList[0];
let geniusSong = (await g.songs.search(geniusSearchArtist + " - " + songTitle))[0];
let geniusTitle = geniusSong.title.replace(/^([:\"'a-zA-Z0-9 .\-*\_\/\\,&]*)-( |)(.*)(\[(.*)\]|)/gm, "$3").replace(/(.*)\((feat|ft|with)(\.|:| |)(| |)([:\"'a-zA-Z0-9 .\-*\_\/\\,&]*)\)(.*)/gmi, "$1").replace(/(.*)\[(.*)\](.*)/gm, "$1").replace(/(.*)\((from|in|by)(\.|:| |)(| |)([:\"'a-zA-Z0-9 .\-*\_\/\\,&]*)\)(.*)/gmi, "$1").trim();
console.log(geniusTitle.toLowerCase() + " <-> " + songTitle.toLowerCase(), geniusTitle.toLowerCase() === songTitle.toLowerCase());
if (geniusTitle.toLowerCase() === songTitle.toLowerCase() && geniusSong.raw.lyrics_state === "complete") {
lyricsComplete = true;
lyrics = (await geniusSong.lyrics()).trim()
}
} catch (e) {
console.error(e);
lyrics = "";
}
if (!lyricsComplete) {
console.log("[" + song + "] Incomplete/nonexistent lyrics, will try to fetch at every sync.");
}
let rmeta = {
video: metadata.title,
title: songTitle,
date: metadata.release_year ?? (metadata.upload_date.substring(0, 4) - 1 +1),
album: overrideAlbum ? overrideAlbumName : metadata.album ?? ((metadata.track ?? metadata.alt_title ?? metadata.title).replace(/^([:\"'a-zA-Z0-9 .\-*\_\/\\,&]*)-( |)(.*)(\[(.*)\]|)/gm, "$3").replace(/(.*)\((feat|ft|with)(\.|:| |)(| |)([:\"'a-zA-Z0-9 .\-*\_\/\\,&]*)\)(.*)/gmi, "$1").replace(/(.*)\[(.*)\](.*)/gm, "$1").replace(/(.*)\((from|in|by)(\.|:| |)(| |)([:\"'a-zA-Z0-9 .\-*\_\/\\,&]*)\)(.*)/gmi, "$1").trim()),
potentialArtists: partists,
potentialArtists2: partists2,
artists: artistsList,
lyrics,
complete: lyricsComplete
}
fs.writeFileSync("./_youtoo/Metadata/" + song + ".json", JSON.stringify(rmeta, null, 4));
console.log("[" + song + "] Downloading audio...");
exec("yt-dlp", [ "-f", "bestaudio[ext=m4a]", "-x", "-o", "./_youtoo/_audio.m4a", "--audio-format", "m4a", "https://www.youtube.com/watch?v=" + song ], { stdio: "inherit" });
console.log("[" + song + "] Downloading thumbnail...");
fs.writeFileSync("./_youtoo/_audio.webp", (await axios.get(metadata.thumbnail, { responseType: "arraybuffer" })).data);
console.log("[" + song + "] Processing thumbnail...");
exec("magick", [ "-define", "jpeg:size=1024x1024", "./_youtoo/_audio.webp", "-thumbnail", "512x512^", "-gravity", "center", "-extent", "512x512", "./_youtoo/_audio.jpg" ]);
console.log("[" + song + "] Processing audio...");
let additionalArrayItems = [ "-metadata", "date=" + rmeta.date.toString() ]
if (overrideAlbum) {
additionalArrayItems = [ "-metadata", "album_artist=" + overrideAlbumName ];
}
exec("ffmpeg", [ "-y", "-i", "./_youtoo/_audio.m4a", "-metadata", "artist=" + rmeta.artists.join(", ") + "", "-metadata", "title=" + rmeta.title, ...additionalArrayItems, "-metadata", "album=" + rmeta.album, "-metadata", "publisher=YouTube", "-metadata", "copyright=© " + rmeta.date.toString() + " " + rmeta.artists[0], "-metadata", "lyrics=" + lyrics, "-metadata", "encoded_by=" + require('./package.json').name + "/" + require('./package.json').version, "./_youtoo/_audio.1.mp3" ], { stdio: "inherit" });
if (!overrideAlbum) {
exec("ffmpeg", [ "-y", "-i", "./_youtoo/_audio.1.mp3", "-i", "./_youtoo/_audio.jpg", "-map", "0:0", "-map", "1:0", "-c", "copy", "-id3v2_version", "3", "-metadata:s:v", "title=Album cover", "-metadata:s:v", "comment=Cover (front)", "./_youtoo/_audio.mp3" ], { stdio: "inherit" });
fs.renameSync("./_youtoo/_audio.mp3", "./_youtoo/Result/" + song + ".mp3");
} else {
fs.renameSync("./_youtoo/_audio.1.mp3", "./_youtoo/Result/" + song + ".mp3");
}
fs.renameSync("./_youtoo/_audio.jpg", "./_youtoo/AlbumArts/" + song + ".jpg");
console.log("[" + song + "] Cleaning up...");
if (fs.existsSync("./_youtoo/_audio.1.mp3")) { fs.rmSync("./_youtoo/_audio.1.mp3"); }
if (fs.existsSync("./_youtoo/_audio.jpg")) { fs.rmSync("./_youtoo/_audio.jpg"); }
if (fs.existsSync("./_youtoo/_audio.webp")) { fs.rmSync("./_youtoo/_audio.webp"); }
if (fs.existsSync("./_youtoo/_audio.m4a")) { fs.rmSync("./_youtoo/_audio.m4a"); }
if (fs.existsSync("./_youtoo/_audio.info.json")) { fs.rmSync("./_youtoo/_audio.info.json"); }
} else {
console.log("[" + song + "] Song already in destination");
}
}
console.log("Deleting removed songs...")
for (let file of fs.readdirSync("./_youtoo/Result")) {
let song = file.substring(0, file.length - 4);
if (!songs.includes(song)) {
console.log("[" + song + "] Deleting...");
fs.unlinkSync("./_youtoo/Result/" + file);
if (fs.existsSync("./_youtoo/Metadata/" + song + ".json")) fs.unlinkSync("./_youtoo/Metadata/" + song + ".json");
}
}
console.log("Cleaning up...")
if (fs.existsSync("./_youtoo/Dumps")) { fs.rmSync("./_youtoo/Dumps", { recursive: true }); }
console.log("Fetching lyrics for incomplete songs...")
for (let file of fs.readdirSync("./_youtoo/Result")) {
let song = file.substring(0, file.length - 4);
if (fs.existsSync("./_youtoo/Metadata/" + song + ".json")) {
console.log("[" + song + "] Fetching metadata...");
let metadata = JSON.parse(fs.readFileSync("./_youtoo/Metadata/" + song + ".json").toString());
if (typeof metadata.complete !== "boolean" || !metadata.complete) {
console.log("[" + song + "] Gathering lyrics...");
let lyricsComplete = false;
let lyrics = "";
try {
let geniusSearchArtist = metadata.artists[0];
let geniusSong = (await g.songs.search(geniusSearchArtist + " - " + metadata.title))[0];
let geniusTitle = geniusSong.title.replace(/^([:\"'a-zA-Z0-9 .\-*\_\/\\,&]*)-( |)(.*)(\[(.*)\]|)/gm, "$3").replace(/(.*)\((feat|ft|with)(\.|:| |)(| |)([:\"'a-zA-Z0-9 .\-*\_\/\\,&]*)\)(.*)/gmi, "$1").replace(/(.*)\[(.*)\](.*)/gm, "$1").replace(/(.*)\((from|in|by)(\.|:| |)(| |)([:\"'a-zA-Z0-9 .\-*\_\/\\,&]*)\)(.*)/gmi, "$1").trim();
console.log(geniusTitle.toLowerCase() + " <-> " + metadata.title.toLowerCase(), geniusTitle.toLowerCase() === metadata.title.toLowerCase());
if (geniusTitle.toLowerCase() === metadata.title.toLowerCase() && geniusSong.raw.lyrics_state === "complete") {
lyricsComplete = true;
lyrics = (await geniusSong.lyrics()).trim()
}
} catch (e) {
console.error(e);
lyrics = "";
}
if (!lyricsComplete) {
console.log("[" + song + "] Incomplete/nonexistent lyrics, will try to fetch at every sync.");
}
metadata.complete = lyricsComplete;
metadata.lyrics = lyrics;
fs.writeFileSync("./_youtoo/Metadata/" + song + ".json", JSON.stringify(metadata, null, 4));
console.log("[" + song + "] Processing audio...");
exec("ffmpeg", [ "-y", "-i", "./_youtoo/Result/" + file, "-c", "copy", "-metadata", "lyrics=" + lyrics, "-metadata", "encoded_by=" + require('./package.json').name + "/" + require('./package.json').version, "./_youtoo/_audio.mp3" ], { stdio: "inherit" });
fs.renameSync("./_youtoo/_audio.mp3", "./_youtoo/Result/" + song + ".mp3");
}
}
}
})()
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