HoneyandClaude Sonnet 4.6
f831e1fd8f
Parallel downloads to the same album dir (e.g. two tracks from same album) both resolved to the last-written file, causing wrong metadata to be embedded. Now each download targets its known output path (trackPrefix + safeTitle + audioFmt) directly. Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
903 lines
40 KiB
JavaScript
903 lines
40 KiB
JavaScript
/**
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* NovaSonic Backend Server
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* Downloads music via yt-dlp and saves directly into your Navidrome music library
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*
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* Requirements:
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* - Node.js 18+
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* - yt-dlp installed (https://github.com/yt-dlp/yt-dlp)
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* - ffmpeg installed
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*/
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const express = require('express');
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const { spawn, execSync } = require('child_process');
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const path = require('path');
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const fs = require('fs');
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const https = require('https');
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// ─── CONFIG ───────────────────────────────────────────────────────────────────
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const CONFIG = {
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port: process.env.PORT || 3700,
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musicPath: process.env.MUSIC_PATH || '/music',
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ytdlpBin: process.env.YTDLP_BIN || 'yt-dlp',
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audioFmt: process.env.AUDIO_FMT || 'mp3',
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audioQuality: process.env.AUDIO_QUALITY || '0',
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maxParallel: parseInt(process.env.MAX_PARALLEL || '2'),
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};
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// ─── INIT ─────────────────────────────────────────────────────────────────────
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const app = express();
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app.use((req, res, next) => {
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res.setHeader('Access-Control-Allow-Origin', '*');
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res.setHeader('Access-Control-Allow-Methods', 'GET,POST,OPTIONS');
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res.setHeader('Access-Control-Allow-Headers', 'Content-Type,Authorization');
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res.setHeader('Access-Control-Allow-Private-Network', 'true');
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if (req.method === 'OPTIONS') { res.sendStatus(204); return; }
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next();
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});
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app.use(express.json());
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const jobs = new Map();
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let ytdlpVersion = 'unknown';
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try {
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ytdlpVersion = execSync(`${CONFIG.ytdlpBin} --version`, { timeout: 5000 }).toString().trim();
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console.log(`✅ yt-dlp ${ytdlpVersion} found`);
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} catch {
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console.warn('⚠️ yt-dlp not found!');
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}
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if (!fs.existsSync(CONFIG.musicPath)) {
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console.warn(`⚠️ Music path "${CONFIG.musicPath}" does not exist — creating it`);
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fs.mkdirSync(CONFIG.musicPath, { recursive: true });
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}
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// ─── HELPERS ──────────────────────────────────────────────────────────────────
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function sanitize(s) {
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return (s || 'Unknown').replace(/[\\/:*?"<>|]/g, '_').trim().slice(0, 100);
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}
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// Extract a plain word from an artist name for yt-dlp --match-filter uploader check.
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// Uses longest contiguous \w+ run so special chars like "N!GHT" → "N" + "GHT" picks "GHT",
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// but actually picks longest: "N!GHT" → runs ["N","GHT"] → "GHT" (3 chars).
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// "☆NoAki☆" → "NoAki", "Chiru-san" → "Chiru", "A, B" → "A"
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function artistFilterWord(name) {
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const first = (name || '').split(/[,/•]/)[0].trim();
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const runs = first.match(/\w+/g) || [];
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const best = runs.filter(r => r.length >= 3).sort((a, b) => b.length - a.length)[0];
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return best || '';
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}
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// Extract distinctive words from a track title for case-insensitive yt-dlp title ~= (?i) filters.
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// Returns up to 2 of the most distinctive words so the filter is precise:
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// "Echoes of Eternity" → ["Eternity", "Echoes"] → title ~= (?i)Eternity & title ~= (?i)Echoes
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// "Amethyst Flowers" → ["Amethyst", "Flowers?"] → title ~= (?i)Amethyst & title ~= (?i)Flowers?
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// "Whispers" → ["Whispers?"] → title ~= (?i)Whispers?
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// "Eclipse - Radio Mix"→ ["Eclipse", "Radio"] → title ~= (?i)Eclipse & title ~= (?i)Radio
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// Trailing 's' is made optional (Whispers? matches "Whisper" or "Whispers") to handle
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// cases where the YouTube video title drops the plural form.
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function buildTitleKeywords(title) {
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const VARIANT_WORDS = new Set(['sped','speedup','slowed','reverb','nightcore','karaoke','parody','remix','cover','acoustic','instrumental']);
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const STOPWORDS = new Set(['the','a','an','and','or','of','in','on','at','to','for','feat','ft','with']);
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const MIX_QUALIFIERS = ['radio', 'extended', 'club', 'vip', 'original', 'edit'];
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const lower = (title || '').toLowerCase();
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// Strip parenthetical genre/style tags like "(Jersey Club)", "(feat. X)" before picking keywords
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// so "Eleven Night (Jersey Club)" → keywords from "Eleven Night", not "Jersey"
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const strippedTitle = (title || '').replace(/\([^)]*\)/g, '').trim();
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const words = strippedTitle
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.replace(/[^\w\s]/g, ' ')
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.split(/\s+/)
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.filter(w => w.length >= 3 && !VARIANT_WORDS.has(w.toLowerCase()) && !STOPWORDS.has(w.toLowerCase()));
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// Take top 2 by length — two words together are far more precise than one alone
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const top2 = words.sort((a, b) => b.length - a.length).slice(0, 2);
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// Make trailing 's' optional so "Whispers?" matches "Whisper" or "Whispers"
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const toPattern = w => (w.length >= 4 && w.endsWith('s')) ? w + '?' : w;
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const result = top2.map(toPattern);
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// Add mix qualifier only if neither top word already covers it
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const qualifier = lower.includes('mix') ? MIX_QUALIFIERS.find(q => lower.includes(q)) : null;
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if (qualifier && !top2.some(w => w.toLowerCase() === qualifier)) result.push(qualifier);
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return result;
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}
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// Build yt-dlp --match-filter conditions to reject variant versions (speed up, slowed, remix…)
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// unless the original track title already contains those keywords.
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function buildVariantFilter(title) {
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const t = (title || '').toLowerCase();
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const RULES = [
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{ key: 'sped', expr: 'title !*= sped' }, // "sped up"
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{ key: 'speedup', expr: 'title !*= speedup' }, // "speedup"
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{ key: 'slowed', expr: 'title !*= slowed' },
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{ key: 'reverb', expr: 'title !*= reverb' },
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{ key: 'nightcore', expr: 'title !*= nightcore' },
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{ key: 'karaoke', expr: 'title !*= karaoke' },
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{ key: 'parody', expr: 'title !*= parody' },
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{ key: 'remix', expr: 'title !*= remix' },
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{ key: 'cover', expr: 'title !*= cover' },
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{ key: 'acoustic', expr: 'title !*= acoustic' },
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{ key: 'instrumental', expr: 'title !*= instrumental' },
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];
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const parts = RULES.filter(r => !t.includes(r.key)).map(r => r.expr);
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return parts.length ? parts.join(' & ') : '';
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}
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// Convert multi-artist strings to " / " separator so Navidrome splits correctly.
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// Handles: "feat." / "ft." / "featuring" and comma-separated artists from Spotify/iTunes.
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function navidromeArtist(name) {
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if (!name) return name;
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return name
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.replace(/\s+feat\.?\s+/gi, ' / ')
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.replace(/\s+ft\.?\s+/gi, ' / ')
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.replace(/\s+featuring\s+/gi, ' / ')
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.replace(/,\s+/g, ' / '); // "Artist A, Artist B" → "Artist A / Artist B"
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}
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function updateJob(id, update) {
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const job = jobs.get(id);
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if (job) jobs.set(id, { ...job, ...update, updatedAt: Date.now() });
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}
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function log(jobId, msg) {
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const j = jobs.get(jobId);
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if (j) jobs.set(jobId, { ...j, log: [...(j.log || []), msg], message: msg });
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console.log(`[${jobId}] ${msg}`);
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}
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// Download hi-res iTunes artwork (1000x1000) to cover.jpg, return path or null
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async function downloadArtwork(url, dir) {
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if (!url) return null;
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const dest = path.join(dir, 'cover.jpg');
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// Upgrade to 1000x1000 — iTunes URL pattern: ...100x100bb.jpg
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const hiRes = url.replace(/\d+x\d+bb\./, '1000x1000bb.');
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return new Promise(resolve => {
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const tryUrl = (u, fallback) => {
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const file = fs.createWriteStream(dest);
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https.get(u, res => {
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if (res.statusCode !== 200) {
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res.resume();
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file.close();
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try { fs.unlinkSync(dest); } catch {}
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if (fallback) tryUrl(fallback, null);
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else resolve(null);
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return;
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}
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res.pipe(file);
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file.on('finish', () => resolve(dest));
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file.on('error', () => resolve(null));
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}).on('error', () => {
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if (fallback) tryUrl(fallback, null);
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else resolve(null);
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});
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};
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tryUrl(hiRes, url !== hiRes ? url : null);
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});
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}
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const AUDIO_EXTS = ['mp3', 'flac', 'opus', 'm4a', 'ogg', 'wav'];
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function findExistingTrack(dir, trackPrefix, safeTitle) {
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return AUDIO_EXTS
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.map(ext => path.join(dir, `${trackPrefix}${safeTitle}.${ext}`))
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.find(f => fs.existsSync(f)) || null;
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}
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// Fetch plain + synced lyrics from LRCLIB
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async function fetchLyrics(artist, title, album) {
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try {
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const p = new URLSearchParams({ artist_name: artist, track_name: title });
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if (album) p.set('album_name', album);
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const r = await fetch(`https://lrclib.net/api/get?${p}`, {
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headers: { 'User-Agent': 'NovaSonic/1.0' },
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signal: AbortSignal.timeout(8000),
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});
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if (!r.ok) return null;
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const d = await r.json();
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return { plain: d.plainLyrics || null, synced: d.syncedLyrics || null };
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} catch { return null; }
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}
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// iTunes track lookup — fills in album, year, trackNum, totalTracks, genre when missing
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async function lookupItunesTrackMeta(artist, title) {
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try {
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const url = `https://itunes.apple.com/search?term=${encodeURIComponent(artist + ' ' + title)}&media=music&entity=musicTrack&limit=5&country=us&explicit=Yes`;
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const results = await new Promise((resolve, reject) => {
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https.get(url, res => {
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let d = ''; res.on('data', c => d += c);
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res.on('end', () => { try { resolve(JSON.parse(d).results || []); } catch { reject(new Error('parse')); } });
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}).on('error', reject);
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});
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const norm = s => s?.toLowerCase().trim() || '';
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const match = results.find(t =>
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norm(t.trackName) === norm(title) &&
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norm(t.artistName).split(' ')[0] === norm(artist).split(' ')[0]
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);
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if (!match) return {};
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return {
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album: match.collectionName || '',
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year: match.releaseDate ? new Date(match.releaseDate).getFullYear() : undefined,
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trackNum: match.trackNumber || undefined,
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totalTracks: match.trackCount || undefined,
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discNum: match.discNumber || undefined,
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discTotal: match.discCount || undefined,
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genre: match.primaryGenreName || undefined,
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artworkUrl: (match.artworkUrl100 || '').replace('100x100bb', '1000x1000bb'),
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durationMs: match.trackTimeMillis || undefined,
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};
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} catch { return {}; }
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}
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// Download a single track: yt-dlp audio + ffmpeg clean metadata + iTunes cover embedded
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async function downloadTrack({ jobId, artist, albumArtist, title, album, year, trackNum, totalTracks, discNum, discTotal, compilation, genre, artworkUrl, explicit, outputDir, durationMs }) {
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const mainArtist = albumArtist || artist;
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const safeArtist = sanitize(mainArtist.split(',')[0].trim());
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const safeAlbum = sanitize(album || 'Singles');
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const dir = path.join(outputDir || CONFIG.musicPath, safeArtist, safeAlbum);
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fs.mkdirSync(dir, { recursive: true });
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const safeTitle = sanitize(title);
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const trackPrefix = trackNum ? String(trackNum).padStart(2, '0') + ' - ' : '';
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const existing = findExistingTrack(dir, trackPrefix, safeTitle);
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if (existing) {
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log(jobId, `⏭ Bereits vorhanden: ${path.basename(existing)} — übersprungen`);
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return { success: true, dir, skipped: true };
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}
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const outputTemplate = path.join(dir, `${trackPrefix}${safeTitle}.%(ext)s`);
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// Strip symbol chars (e.g. ☆) but keep Unicode letters like ø, ä, é
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const searchArtist = mainArtist.replace(/[^\p{L}\p{N}\s,&\-]/gu, '').trim();
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const query = `${searchArtist} - ${title}`;
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// Step 1: yt-dlp — audio only, no thumbnail (we embed iTunes artwork ourselves)
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const baseArgs = [
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'--extract-audio',
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'--audio-format', CONFIG.audioFmt,
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'--audio-quality', CONFIG.audioQuality,
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'-o', outputTemplate,
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'--no-playlist',
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'--no-warnings',
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'--newline',
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];
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// Filtered searches: top 5 (fast) and top 10 (wider net when top 5 misses).
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// Unfiltered fallback only needs item 1 (no filter to skip past).
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const PI_FILTERED = ['--playlist-items', '1-5', '--max-downloads', '1'];
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const PI_FILTERED_10 = ['--playlist-items', '1-10', '--max-downloads', '1'];
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const PI_UNFILTERED = ['--playlist-items', '1'];
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const spawnYtdlp = (args) => new Promise((resolve, reject) => {
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const proc = spawn(CONFIG.ytdlpBin, args, { env: { ...process.env, PYTHONUNBUFFERED: '1' } });
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let stderr = '', lastPct = '';
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proc.stdout.on('data', d => {
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d.toString().split('\n').filter(l => l.trim()).forEach(line => {
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if (line.includes('%') && line === lastPct) return;
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if (line.includes('%')) lastPct = line;
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log(jobId, line.trim());
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});
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});
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proc.stderr.on('data', d => {
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stderr += d.toString();
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d.toString().split('\n')
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.filter(l => l.trim() && !l.startsWith('[debug]'))
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.forEach(l => log(jobId, l.trim()));
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});
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proc.on('error', reject);
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proc.on('close', code =>
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// 101 = --max-downloads reached (not an error — file was downloaded successfully)
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(code === 0 || code === 101) ? resolve() : reject(new Error(`yt-dlp code ${code}: ${stderr.slice(-300)}`))
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);
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});
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// ¶ms= is YTM's "Songs only" filter (same as clicking "Titel" tab in the browser).
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// Without it yt-dlp gets a mixed feed of videos, channels, and playlists as well.
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const YTM_SONGS_PARAM = 'EgWKAQIIAWoKEAkQBRAKEAMQBA%3D%3D';
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const ytmUrl = `https://music.youtube.com/search?q=${encodeURIComponent(query)}¶ms=${YTM_SONGS_PARAM}`;
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// We know the exact output filename before yt-dlp runs — no snapshot heuristic needed.
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const expectedAudio = path.join(dir, `${trackPrefix}${safeTitle}.${CONFIG.audioFmt}`);
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const hasAudio = () => fs.existsSync(expectedAudio);
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const tryYtdlp = async (args) => { await spawnYtdlp(args); };
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const variantFilter = buildVariantFilter(title);
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const titleKws = buildTitleKeywords(title);
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const variantPart = variantFilter ? ` & ${variantFilter}` : '';
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// ~= uses Python re.search; (?i) inline flag = case-insensitive substring match
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const titleKwPart = titleKws.length ? titleKws.map(k => ` & title ~= (?i)${k}`).join('') : '';
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// Build a --match-filter arg. Artist filter removed — `artist` field is unreliable in yt-dlp
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// for YTM (often empty for label-distributed tracks). Search query already targets the right
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// artist; title keyword + duration are sufficient guards against wrong results.
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const mf = (dur, variant) => {
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const durPart = dur ? `duration > ${dur.min} & duration < ${dur.max} & ` : '';
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return ['--match-filter',
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`${durPart}!is_live${titleKwPart}${variant ? variantPart : ''}`];
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};
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if (durationMs) {
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const durationSec = Math.round(durationMs / 1000);
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const margin = Math.max(15, Math.round(durationSec * 0.15)); // ±15 % (min 15 s)
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const dur = { min: Math.max(30, durationSec - margin), max: durationSec + margin };
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log(jobId, `🔍 Suche YT Music (~${durationSec}s ±${margin}s): "${query}"`);
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// 1. YTM top-5 — Dauer + Titel + Varianten-Filter
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await tryYtdlp([ytmUrl, ...PI_FILTERED, ...mf(dur, true), ...baseArgs]);
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if (!hasAudio()) {
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// 2. YT top-5 — Dauer + Titel + Varianten-Filter
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log(jobId, '⚠️ Kein YTM-Treffer — Fallback zu YouTube…');
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await tryYtdlp([`ytsearch5:${query}`, ...PI_FILTERED, ...mf(dur, true), ...baseArgs]);
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}
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if (!hasAudio()) {
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// 3. YTM top-10 — Dauer + Titel (correcte Version evtl. außerhalb top-5)
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log(jobId, '⚠️ Erweitere Suche auf top 10 mit Dauerbeschränkung…');
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await tryYtdlp([ytmUrl, ...PI_FILTERED_10, ...mf(dur, true), ...baseArgs]);
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}
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if (!hasAudio()) {
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// 4. YT top-10 — Dauer + Titel
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await tryYtdlp([`ytsearch10:${query}`, ...PI_FILTERED_10, ...mf(dur, true), ...baseArgs]);
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}
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if (!hasAudio()) {
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// 5. YTM top-5 — Titel + Varianten (kein Dauer-Check)
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log(jobId, '⚠️ Kein Treffer im Dauerbereich — suche ohne Dauerbeschränkung…');
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await tryYtdlp([ytmUrl, ...PI_FILTERED, ...mf(null, true), ...baseArgs]);
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}
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if (!hasAudio()) {
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// 6. YT top-5 — Titel + Varianten
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await tryYtdlp([`ytsearch5:${query}`, ...PI_FILTERED, ...mf(null, true), ...baseArgs]);
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}
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if (!hasAudio()) {
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// 7. YTM top-5 — nur Titel (kein Varianten-Filter)
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log(jobId, '⚠️ Letzter gefilterter Versuch…');
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await tryYtdlp([ytmUrl, ...PI_FILTERED, ...mf(null, false), ...baseArgs]);
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}
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if (!hasAudio()) {
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// 8. YT top-5 — nur Titel
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await tryYtdlp([`ytsearch5:${query}`, ...PI_FILTERED, ...mf(null, false), ...baseArgs]);
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}
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if (!hasAudio()) {
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// 9+10. Letzter Ausweg: komplett ungefiltert
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log(jobId, '⚠️ Letzter Versuch: keine Filter…');
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await tryYtdlp([ytmUrl, ...PI_UNFILTERED, ...baseArgs]);
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}
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if (!hasAudio()) {
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await tryYtdlp([`ytsearch1:${query}`, ...PI_UNFILTERED, ...baseArgs]);
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}
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} else {
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log(jobId, `🔍 Suche YT Music: "${query}"`);
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// 1. YTM — Titel + Varianten
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await tryYtdlp([ytmUrl, ...PI_FILTERED, ...mf(null, true), ...baseArgs]);
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if (!hasAudio()) {
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// 2. YT — Titel + Varianten
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await tryYtdlp([`ytsearch5:${query}`, ...PI_FILTERED, ...mf(null, true), ...baseArgs]);
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}
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if (!hasAudio()) {
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// 3. YTM — nur Titel
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log(jobId, '⚠️ Letzter gefilterter Versuch…');
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await tryYtdlp([ytmUrl, ...PI_FILTERED, ...mf(null, false), ...baseArgs]);
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}
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if (!hasAudio()) {
|
||
// 4. YT — nur Titel
|
||
await tryYtdlp([`ytsearch5:${query}`, ...PI_FILTERED, ...mf(null, false), ...baseArgs]);
|
||
}
|
||
if (!hasAudio()) {
|
||
log(jobId, '⚠️ Letzter Versuch: keine Filter…');
|
||
await tryYtdlp([ytmUrl, ...PI_UNFILTERED, ...baseArgs]);
|
||
}
|
||
if (!hasAudio()) {
|
||
await tryYtdlp([`ytsearch1:${query}`, ...PI_UNFILTERED, ...baseArgs]);
|
||
}
|
||
}
|
||
|
||
// Step 2: locate the audio file yt-dlp wrote (exact expected path)
|
||
const audioFile = hasAudio() ? expectedAudio : null;
|
||
|
||
if (!audioFile) {
|
||
log(jobId, '⚠️ Keine Audio-Datei gefunden');
|
||
return { success: true, dir };
|
||
}
|
||
|
||
// Step 3: download artwork + fetch lyrics in parallel
|
||
const [coverPath, lyricsData] = await Promise.all([
|
||
downloadArtwork(artworkUrl, dir),
|
||
fetchLyrics(artist, title, album),
|
||
]);
|
||
const hasCover = !!(coverPath && fs.existsSync(coverPath));
|
||
|
||
if (lyricsData?.synced) {
|
||
const lrcPath = path.join(dir, `${trackPrefix}${safeTitle}.lrc`);
|
||
fs.writeFileSync(lrcPath, lyricsData.synced, 'utf8');
|
||
log(jobId, '🎵 Synced lyrics gefunden');
|
||
} else if (lyricsData?.plain) {
|
||
log(jobId, '📝 Lyrics gefunden');
|
||
}
|
||
|
||
log(jobId, `🏷 Metadaten + Cover → ${path.basename(audioFile)}`);
|
||
|
||
// Step 4: ffmpeg — strip old tags, write clean ID3, embed hi-res artwork
|
||
const fileExt = path.extname(audioFile);
|
||
const tmpFile = audioFile.slice(0, -fileExt.length) + '.metatmp' + fileExt;
|
||
await new Promise(resolve => {
|
||
const ffArgs = ['-i', audioFile];
|
||
if (hasCover) ffArgs.push('-i', coverPath);
|
||
|
||
// Map: audio from input 0, artwork from input 1 (if available)
|
||
ffArgs.push('-map', '0:a');
|
||
if (hasCover) ffArgs.push('-map', '1:v');
|
||
|
||
ffArgs.push(
|
||
'-c', 'copy',
|
||
'-map_metadata', '-1', // strip all existing tags (removes blurry YT thumbnail)
|
||
'-id3v2_version', '3',
|
||
'-metadata', `title=${title}`,
|
||
'-metadata', `artist=${navidromeArtist(artist)}`,
|
||
'-metadata', `album_artist=${mainArtist}`,
|
||
);
|
||
if (album) ffArgs.push('-metadata', `album=${album}`);
|
||
if (year) ffArgs.push('-metadata', `date=${String(year)}`);
|
||
if (trackNum) ffArgs.push('-metadata', `track=${totalTracks ? `${trackNum}/${totalTracks}` : String(trackNum)}`);
|
||
if (totalTracks) ffArgs.push('-metadata', `totaltracks=${String(totalTracks)}`);
|
||
if (genre) ffArgs.push('-metadata', `genre=${genre}`);
|
||
if (discNum) ffArgs.push('-metadata', `disc=${discTotal ? `${discNum}/${discTotal}` : String(discNum)}`);
|
||
if (compilation) ffArgs.push('-metadata', `compilation=1`);
|
||
if (explicit) ffArgs.push('-metadata', 'ITUNESADVISORY=1');
|
||
if (lyricsData?.plain) ffArgs.push('-metadata', `lyrics=${lyricsData.plain}`);
|
||
if (hasCover) {
|
||
ffArgs.push(
|
||
'-metadata:s:v', 'title=Album cover',
|
||
'-metadata:s:v', 'comment=Cover (front)',
|
||
);
|
||
}
|
||
ffArgs.push(tmpFile, '-y');
|
||
|
||
const ff = spawn('ffmpeg', ffArgs);
|
||
let ffErr = '';
|
||
ff.stderr.on('data', d => ffErr += d.toString());
|
||
ff.on('error', () => resolve());
|
||
ff.on('close', code => {
|
||
if (code === 0 && fs.existsSync(tmpFile)) {
|
||
fs.renameSync(tmpFile, audioFile);
|
||
if (hasCover) try { fs.unlinkSync(coverPath); } catch {}
|
||
// clean up any leftover webm the yt-dlp conversion didn't remove
|
||
const base = path.basename(audioFile, path.extname(audioFile));
|
||
for (const ext of ['webm', 'webm.part', 'm4a', 'opus']) {
|
||
try { fs.unlinkSync(path.join(dir, `${base}.${ext}`)); } catch {}
|
||
}
|
||
log(jobId, `✅ Fertig${hasCover ? ' (Cover 1000x1000 eingebettet)' : ''}`);
|
||
} else {
|
||
try { fs.unlinkSync(tmpFile); } catch {}
|
||
log(jobId, `⚠️ ffmpeg code ${code}`);
|
||
if (ffErr) log(jobId, ffErr.slice(-200));
|
||
}
|
||
resolve();
|
||
});
|
||
});
|
||
|
||
return { success: true, dir };
|
||
}
|
||
|
||
// Download all tracks of an album sequentially
|
||
async function downloadAlbumTracks({ jobId, artist, albumTitle, tracks, artworkUrl }) {
|
||
const total = tracks.length;
|
||
log(jobId, `📀 Album "${albumTitle}" — ${total} Tracks`);
|
||
let done = 0, skipped = 0;
|
||
|
||
for (const track of tracks) {
|
||
try {
|
||
const result = await downloadTrack({
|
||
jobId,
|
||
artist: track.artistName || artist, // track artist (may include feat.)
|
||
albumArtist: artist, // always the main artist → consistent grouping
|
||
title: track.trackName || track.title,
|
||
album: albumTitle,
|
||
year: track.releaseDate ? new Date(track.releaseDate).getFullYear() : undefined,
|
||
trackNum: track.trackNumber || undefined,
|
||
totalTracks: total,
|
||
discNum: track.discNumber || undefined,
|
||
discTotal: track.discCount || undefined,
|
||
compilation: track.collectionType === 'Compilation' || undefined,
|
||
genre: track.primaryGenreName || undefined,
|
||
artworkUrl: artworkUrl || track.artworkUrl100,
|
||
explicit: track.trackExplicitness === 'explicit',
|
||
outputDir: CONFIG.musicPath,
|
||
durationMs: track.trackTimeMillis || undefined,
|
||
});
|
||
if (result?.skipped) skipped++; else done++;
|
||
updateJob(jobId, { progress: Math.round(((done + skipped) / total) * 90) });
|
||
} catch (e) {
|
||
log(jobId, `⚠️ Fehler bei "${track.trackName || track.title}": ${e.message}`);
|
||
}
|
||
}
|
||
return { done, skipped };
|
||
}
|
||
|
||
// Search iTunes for album tracks by artist + album name (fallback when no collectionId)
|
||
async function searchItunesAlbumTracks(artist, album) {
|
||
return new Promise(resolve => {
|
||
const q = encodeURIComponent(`${artist} ${album}`);
|
||
https.get(`https://itunes.apple.com/search?term=${q}&media=music&entity=album&limit=5&country=us&explicit=Yes`, res => {
|
||
let d = '';
|
||
res.on('data', c => d += c);
|
||
res.on('end', () => {
|
||
try {
|
||
const results = JSON.parse(d).results || [];
|
||
const match = results.find(r =>
|
||
r.collectionName?.toLowerCase().includes(album.toLowerCase()) ||
|
||
r.artistName?.toLowerCase().includes(artist.toLowerCase())
|
||
);
|
||
if (match) fetchItunesTracks(match.collectionId).then(resolve).catch(() => resolve([]));
|
||
else resolve([]);
|
||
} catch { resolve([]); }
|
||
});
|
||
}).on('error', () => resolve([]));
|
||
});
|
||
}
|
||
|
||
// Fetch individual tracks for an iTunes collectionId
|
||
async function fetchItunesTracks(collectionId) {
|
||
return new Promise((resolve, reject) => {
|
||
const url = `https://itunes.apple.com/lookup?id=${collectionId}&entity=song&explicit=Yes`;
|
||
https.get(url, res => {
|
||
let data = '';
|
||
res.on('data', d => data += d);
|
||
res.on('end', () => {
|
||
try {
|
||
const parsed = JSON.parse(data);
|
||
resolve((parsed.results || []).filter(r => r.wrapperType === 'track'));
|
||
} catch { reject(new Error('iTunes API parse error')); }
|
||
});
|
||
}).on('error', reject);
|
||
});
|
||
}
|
||
|
||
// ─── QUEUE ────────────────────────────────────────────────────────────────────
|
||
let activeDownloads = 0;
|
||
const downloadQueue = [];
|
||
|
||
function processQueue() {
|
||
if (activeDownloads >= CONFIG.maxParallel || downloadQueue.length === 0) return;
|
||
const task = downloadQueue.shift();
|
||
activeDownloads++;
|
||
task().finally(() => { activeDownloads--; processQueue(); });
|
||
}
|
||
|
||
function enqueue(task) {
|
||
downloadQueue.push(task);
|
||
processQueue();
|
||
}
|
||
|
||
// ─── SPOTIFY ──────────────────────────────────────────────────────────────────
|
||
// Scrapes Spotify's public embed pages — no token, no account, no Premium needed.
|
||
// Embed pages serve __NEXT_DATA__ JSON to anyone (used for website embeds worldwide).
|
||
|
||
function parseSpotifyUrl(url) {
|
||
// Handles locale prefixes: /intl-de/track/... and plain /track/...
|
||
const m = url.match(/open\.spotify\.com\/(?:[a-z]{2,8}-[a-z]{2,8}\/)?(?:intl-[a-z-]+\/)?(track|album|playlist)\/([A-Za-z0-9]+)/);
|
||
if (!m) throw new Error('Ungültige Spotify-URL — erwartet: open.spotify.com/track|album|playlist/...');
|
||
return { type: m[1], id: m[2] };
|
||
}
|
||
|
||
async function fetchSpotifyEmbed(type, id) {
|
||
const r = await fetch(`https://open.spotify.com/embed/${type}/${id}`, {
|
||
headers: {
|
||
'User-Agent': 'Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/124.0.0.0 Safari/537.36',
|
||
Accept: 'text/html,application/xhtml+xml',
|
||
'Accept-Language': 'en-US,en;q=0.9',
|
||
},
|
||
signal: AbortSignal.timeout(12000),
|
||
});
|
||
if (!r.ok) throw new Error(`Spotify-Embed nicht erreichbar (${r.status})`);
|
||
const html = await r.text();
|
||
const m = html.match(/<script id="__NEXT_DATA__" type="application\/json">(.+?)<\/script>/s);
|
||
if (!m) throw new Error('Spotify-Seite nicht parsebar — Struktur geändert?');
|
||
const nd = JSON.parse(m[1]);
|
||
let entity = nd?.props?.pageProps?.state?.data?.entity
|
||
|| nd?.props?.pageProps?.data?.entity
|
||
|| nd?.props?.pageProps?.entity
|
||
|| nd?.props?.pageProps?.state?.data;
|
||
if (!entity) throw new Error('Keine Metadaten in Spotify-Embed gefunden');
|
||
// Unwrap GraphQL-style data wrapper: {data: {__typename, name, ...}}
|
||
if (entity.data && !entity.name && !entity.trackList) entity = entity.data;
|
||
return entity;
|
||
}
|
||
|
||
function _spArtwork(entity) {
|
||
// Handle albumOfTrack (newer GraphQL embed format) + legacy album/coverArt paths
|
||
const sources = entity?.albumOfTrack?.coverArt?.sources
|
||
|| entity?.album?.coverArt?.sources
|
||
|| entity?.coverArt?.sources
|
||
|| [];
|
||
if (sources.length) return sources.sort((a, b) => (b.width || 0) - (a.width || 0))[0].url;
|
||
return entity?.albumOfTrack?.images?.[0]?.url
|
||
|| entity?.album?.images?.[0]?.url
|
||
|| entity?.images?.[0]?.url
|
||
|| '';
|
||
}
|
||
|
||
function _spAllArtists(artistsRaw) {
|
||
if (!artistsRaw) return '';
|
||
// Handle both array format and GraphQL {items:[...]} format
|
||
const arr = Array.isArray(artistsRaw) ? artistsRaw : (artistsRaw.items || []);
|
||
return arr.map(a => a?.profile?.name || a?.name || '').filter(Boolean).join(', ');
|
||
}
|
||
|
||
function _spArtistName(artistsRaw) {
|
||
return _spAllArtists(artistsRaw);
|
||
}
|
||
|
||
function _spTrackItem(t, defaultAlbum, defaultArt, defaultAlbumArtist) {
|
||
// Unwrap optional {track: ...} wrapper (old playlist format)
|
||
let raw = t?.track || t;
|
||
// Handle GraphQL-style {data: {__typename, ...}}
|
||
const d = raw?.data || raw;
|
||
|
||
// Name: new embed uses "title", old/track embed uses "name"
|
||
const trackName = d?.name || d?.title || '';
|
||
|
||
// Artists: array format [{name}] or [{profile:{name}}], GraphQL {items:[...]},
|
||
// or flat string in "subtitle" (new playlist embed: "Myrne, Aviella")
|
||
let artist = '';
|
||
if (d?.artists) {
|
||
artist = _spAllArtists(d.artists);
|
||
} else if (typeof d?.subtitle === 'string' && d.subtitle) {
|
||
artist = d.subtitle; // already comma-separated, matches iTunes/Spotify standard
|
||
}
|
||
artist = artist || defaultAlbumArtist || '';
|
||
|
||
const art = _spArtwork(d) || defaultArt || '';
|
||
const albumObj = d?.albumOfTrack || d?.album || {};
|
||
const album = albumObj?.name || defaultAlbum || '';
|
||
const date = albumObj?.date?.isoString || albumObj?.release_date || '';
|
||
|
||
return {
|
||
trackName,
|
||
artistName: artist,
|
||
collectionName: album,
|
||
artworkUrl100: art,
|
||
releaseDate: date,
|
||
trackNumber: d?.trackNumber || d?.track_number,
|
||
trackExplicitness: d?.contentRating?.label === 'EXPLICIT' || d?.isExplicit || d?.explicit ? 'explicit' : 'notExplicit',
|
||
previewUrl: d?.previewUrl || d?.preview_url || d?.audioPreview?.url || null,
|
||
durationMs: d?.duration_ms || d?.durationMs || null,
|
||
};
|
||
}
|
||
|
||
// ─── ROUTES ──────────────────────────────────────────────────────────────────
|
||
|
||
app.post('/api/spotify/track-artwork', async (req, res) => {
|
||
const tracks = req.body.tracks || [];
|
||
if (!tracks.length) return res.json({ results: [] });
|
||
const CONC = 8;
|
||
const results = [];
|
||
for (let i = 0; i < tracks.length; i += CONC) {
|
||
const batch = tracks.slice(i, i + CONC);
|
||
const batchRes = await Promise.all(batch.map(async t => {
|
||
const searchArtist = (t.artistName || '').split(/\s*[,/•]\s*/)[0].trim();
|
||
const meta = await lookupItunesTrackMeta(searchArtist, t.trackName || '');
|
||
return { idx: t.idx, artworkUrl: meta.artworkUrl || t.existingArt || '' };
|
||
}));
|
||
results.push(...batchRes);
|
||
}
|
||
res.json({ results });
|
||
});
|
||
|
||
app.get('/api/health', (req, res) => {
|
||
res.json({ status: 'ok', ytdlpVersion, musicPath: CONFIG.musicPath, audioFormat: CONFIG.audioFmt, activeJobs: activeDownloads, queueLength: downloadQueue.length });
|
||
});
|
||
|
||
app.post('/api/spotify/resolve', async (req, res) => {
|
||
const { url } = req.body;
|
||
if (!url) return res.status(400).json({ error: 'url required' });
|
||
try {
|
||
const { type, id } = parseSpotifyUrl(url);
|
||
const entity = await fetchSpotifyEmbed(type, id);
|
||
// "subtitle" is used by the flat embed format as artist/owner string
|
||
const artist = _spArtistName(entity.artists) || (typeof entity.subtitle === 'string' ? entity.subtitle : '');
|
||
const artUrl = _spArtwork(entity);
|
||
|
||
if (type === 'track') {
|
||
return res.json({
|
||
type: 'track',
|
||
name: entity.name || entity.title || '',
|
||
artist,
|
||
artworkUrl: artUrl,
|
||
tracks: [_spTrackItem(entity, entity.album?.name, artUrl, artist)],
|
||
});
|
||
}
|
||
|
||
if (type === 'album') {
|
||
const trackList = entity.trackList || entity.tracks?.items || [];
|
||
return res.json({
|
||
type: 'album',
|
||
name: entity.name || entity.title || '',
|
||
artist,
|
||
artworkUrl: artUrl,
|
||
tracks: trackList.map(t => _spTrackItem(t, entity.name || entity.title, artUrl, artist)),
|
||
});
|
||
}
|
||
|
||
if (type === 'playlist') {
|
||
const trackList = entity.trackList || entity.content?.items || entity.tracks?.items || [];
|
||
const owner = entity.authors?.[0]?.name
|
||
|| entity.ownerV2?.data?.name
|
||
|| entity.owner?.displayName
|
||
|| entity.owner?.display_name
|
||
|| (typeof entity.subtitle === 'string' ? entity.subtitle : '');
|
||
return res.json({
|
||
type: 'playlist',
|
||
name: entity.name || entity.title || '',
|
||
artist: owner,
|
||
artworkUrl: artUrl,
|
||
description: entity.description || '',
|
||
// no defaultArt for playlist tracks — iTunes lazy-loader will fill correct per-track art;
|
||
// passing playlist cover here would cause it to be embedded in downloads for unresolved tracks
|
||
tracks: trackList.map(t => _spTrackItem(t, null, null, null)),
|
||
});
|
||
}
|
||
|
||
res.status(400).json({ error: `Unbekannter Typ: ${type}` });
|
||
} catch(e) {
|
||
console.error('[spotify/resolve]', e.message);
|
||
res.status(500).json({ error: e.message });
|
||
}
|
||
});
|
||
|
||
app.post('/api/download', async (req, res) => {
|
||
const { type, artist, title, album, artworkUrl, collectionId, jobId: clientJobId, explicit,
|
||
trackNum: bodyTrackNum, totalTracks: bodyTotalTracks, discNum: bodyDiscNum, discTotal: bodyDiscTotal } = req.body;
|
||
if (!artist || !title) return res.status(400).json({ error: 'artist and title required' });
|
||
|
||
const jobId = clientJobId || ('job_' + Date.now());
|
||
jobs.set(jobId, {
|
||
id: jobId, type, artist, title, album,
|
||
status: 'queued', progress: 0, message: 'In Warteschlange…',
|
||
log: [], createdAt: Date.now(), updatedAt: Date.now(),
|
||
});
|
||
res.json({ jobId, status: 'queued' });
|
||
|
||
enqueue(async () => {
|
||
updateJob(jobId, { status: 'running', progress: 5, message: 'Gestartet…' });
|
||
try {
|
||
if (type === 'track') {
|
||
// Prefer Spotify metadata from tracks[0] when available (more accurate than iTunes lookup)
|
||
const sp = req.body.tracks?.[0] || {};
|
||
const spAlbum = sp.collectionName || album || '';
|
||
const spArt = sp.artworkUrl100 || artworkUrl || '';
|
||
const spYear = sp.releaseDate ? new Date(sp.releaseDate).getFullYear() : undefined;
|
||
let meta = { album: spAlbum, year: spYear,
|
||
trackNum: sp.trackNumber || bodyTrackNum || undefined,
|
||
totalTracks: sp.trackCount || bodyTotalTracks || undefined,
|
||
discNum: sp.discNumber || bodyDiscNum || undefined,
|
||
discTotal: sp.discCount || bodyDiscTotal || undefined,
|
||
artworkUrl: spArt, explicit: sp.trackExplicitness === 'explicit' || !!explicit,
|
||
durationMs: sp.durationMs || undefined };
|
||
if (!meta.album) {
|
||
// Use first artist only for iTunes search (multi-artist strings like "Kløn, Renzyx" confuse iTunes)
|
||
const searchArtist = artist.split(',')[0].trim();
|
||
log(jobId, '📋 Suche Album-Metadaten von iTunes…');
|
||
const extra = await lookupItunesTrackMeta(searchArtist, title);
|
||
if (extra.album) log(jobId, `📋 Album: "${extra.album}" (${extra.year || '?'})`);
|
||
meta = { ...meta, ...extra, artworkUrl: spArt || extra.artworkUrl || '' };
|
||
} else {
|
||
log(jobId, `📋 Album aus Spotify: "${meta.album}"`);
|
||
}
|
||
const result = await downloadTrack({ jobId, artist, title, ...meta });
|
||
if (result?.skipped) {
|
||
updateJob(jobId, { status: 'done', progress: 100, message: 'Bereits vorhanden – übersprungen', skipped: true });
|
||
} else {
|
||
updateJob(jobId, { status: 'done', progress: 100, message: 'Fertig!' });
|
||
}
|
||
|
||
} else if (type === 'album') {
|
||
let tracks = [];
|
||
if (collectionId) {
|
||
log(jobId, '📋 Lade Track-Liste von iTunes…');
|
||
tracks = await fetchItunesTracks(collectionId);
|
||
}
|
||
if (!tracks.length) {
|
||
log(jobId, '🔍 Suche Album auf iTunes…');
|
||
tracks = await searchItunesAlbumTracks(artist, album || title);
|
||
}
|
||
if (!tracks.length) {
|
||
throw new Error(`Keine einzelnen Tracks für "${album || title}" gefunden. Bitte über iTunes Global-Suche herunterladen.`);
|
||
}
|
||
const { done: dlDone, skipped: dlSkipped } = await downloadAlbumTracks({ jobId, artist, albumTitle: album || title, tracks, artworkUrl });
|
||
const allSkipped = dlSkipped === tracks.length;
|
||
const someSkipped = dlSkipped > 0 && !allSkipped;
|
||
const msg = allSkipped
|
||
? `Album bereits vorhanden – alle ${dlSkipped} Tracks übersprungen`
|
||
: someSkipped
|
||
? `Album fertig! (${dlDone} geladen, ${dlSkipped} bereits vorhanden)`
|
||
: `Album "${album || title}" fertig!`;
|
||
updateJob(jobId, { status: 'done', progress: 100, message: msg, skipped: allSkipped });
|
||
|
||
} else if (type === 'artist') {
|
||
log(jobId, `🎤 Künstler-Download: ${artist}`);
|
||
const artistData = await new Promise((resolve, reject) => {
|
||
https.get(`https://itunes.apple.com/search?term=${encodeURIComponent(artist)}&media=music&entity=album&limit=10&country=de`, res => {
|
||
let d = ''; res.on('data', c => d += c); res.on('end', () => { try { resolve(JSON.parse(d).results || []); } catch { reject(new Error('parse')); } });
|
||
}).on('error', reject);
|
||
});
|
||
const artistAlbums = artistData.filter(a => a.artistName?.toLowerCase() === artist.toLowerCase()).slice(0, 10);
|
||
log(jobId, `📀 ${artistAlbums.length} Alben gefunden`);
|
||
let done = 0;
|
||
for (const alb of artistAlbums) {
|
||
const tracks = await fetchItunesTracks(alb.collectionId).catch(() => []);
|
||
if (tracks.length) {
|
||
await downloadAlbumTracks({ jobId, artist, albumTitle: alb.collectionName, tracks, artworkUrl: alb.artworkUrl100 });
|
||
}
|
||
done++;
|
||
updateJob(jobId, { progress: Math.round((done / artistAlbums.length) * 95) });
|
||
}
|
||
updateJob(jobId, { status: 'done', progress: 100, message: `Künstler "${artist}" fertig!` });
|
||
|
||
} else if (type === 'playlist') {
|
||
const plTracks = req.body.tracks || [];
|
||
if (!plTracks.length) throw new Error('Keine Tracks übergeben');
|
||
log(jobId, `🎵 Playlist "${title}" — ${plTracks.length} Tracks`);
|
||
let done = 0, skipped = 0;
|
||
const CONC = CONFIG.maxParallel || 2;
|
||
for (let i = 0; i < plTracks.length; i += CONC) {
|
||
const batch = plTracks.slice(i, i + CONC);
|
||
const batchResults = await Promise.allSettled(batch.map(async track => {
|
||
const trackTitle = track.trackName || '';
|
||
// subtitle gives "Artist1, Artist2" — use first for iTunes search, keep full for tags
|
||
const trackArtist = track.artistName || artist || '';
|
||
const searchArtist = trackArtist.split(',')[0].trim();
|
||
log(jobId, `📋 iTunes: "${trackArtist} – ${trackTitle}"`);
|
||
const itunes = await lookupItunesTrackMeta(searchArtist, trackTitle);
|
||
return downloadTrack({
|
||
jobId,
|
||
artist: trackArtist,
|
||
albumArtist: trackArtist,
|
||
title: trackTitle,
|
||
album: itunes.album || track.collectionName || '',
|
||
year: itunes.year || (track.releaseDate ? new Date(track.releaseDate).getFullYear() : undefined),
|
||
trackNum: itunes.trackNum || track.trackNumber || undefined,
|
||
totalTracks: itunes.totalTracks || undefined,
|
||
genre: itunes.genre || track.primaryGenreName || undefined,
|
||
artworkUrl: itunes.artworkUrl || track.artworkUrl100 || '',
|
||
explicit: track.trackExplicitness === 'explicit',
|
||
durationMs: itunes.durationMs || track.durationMs || undefined,
|
||
});
|
||
}));
|
||
for (let j = 0; j < batchResults.length; j++) {
|
||
const r = batchResults[j];
|
||
if (r.status === 'rejected') {
|
||
log(jobId, `⚠️ Fehler bei "${batch[j].trackName || '?'}": ${r.reason?.message || r.reason}`);
|
||
} else if (r.value?.skipped) {
|
||
skipped++;
|
||
} else {
|
||
done++;
|
||
}
|
||
updateJob(jobId, { progress: Math.round(((done + skipped) / plTracks.length) * 90) });
|
||
}
|
||
}
|
||
const allSkipped = skipped === plTracks.length;
|
||
updateJob(jobId, {
|
||
status: 'done', progress: 100, skipped: allSkipped,
|
||
message: allSkipped
|
||
? `Alle ${skipped} Tracks bereits vorhanden`
|
||
: `Fertig! ${done} geladen${skipped ? `, ${skipped} übersprungen` : ''}`,
|
||
});
|
||
}
|
||
} catch (err) {
|
||
console.error(`[${jobId}] Error:`, err.message);
|
||
updateJob(jobId, { status: 'error', message: err.message });
|
||
}
|
||
});
|
||
});
|
||
|
||
app.get('/api/status/:jobId', (req, res) => {
|
||
const job = jobs.get(req.params.jobId);
|
||
if (!job) return res.status(404).json({ error: 'Job not found' });
|
||
res.json(job);
|
||
});
|
||
|
||
app.get('/api/jobs', (req, res) => {
|
||
res.json(Array.from(jobs.values()).sort((a, b) => b.createdAt - a.createdAt).slice(0, 50));
|
||
});
|
||
|
||
// ─── START ────────────────────────────────────────────────────────────────────
|
||
app.listen(CONFIG.port, () => {
|
||
console.log(`\n🎵 NovaSonic Backend running on port ${CONFIG.port}`);
|
||
console.log(` Music folder : ${CONFIG.musicPath}`);
|
||
console.log(` Audio format : ${CONFIG.audioFmt} (quality ${CONFIG.audioQuality})`);
|
||
console.log(` yt-dlp : ${ytdlpVersion}`);
|
||
console.log('');
|
||
});
|