Files
NovaSonic/backend/lib/downloader.js
T
HoneyandClaude Sonnet 4.6 ac8d26bf9d feat: split backend into lib/ modules + add squid.wtf (Qobuz) download backend
- backend/lib/config.js  — CONFIG from env (adds DOWNLOAD_BACKEND, SQUID_QUALITY)
- backend/lib/jobs.js    — jobs Map, updateJob(), log()
- backend/lib/metadata.js — iTunes, artwork, lyrics, sanitize helpers
- backend/lib/ytdlp.js   — yt-dlp download cascade + shared embedMetadata()
- backend/lib/squid.js   — ALTCHA PoW solver, Qobuz search/download via squid.wtf
- backend/lib/downloader.js — backend selector: ytdlp | squid | auto (squid-first + fallback)
- novasonic-server.js thinned to Express routes only, imports from lib/
- docker-compose: mount full backend/ dir, install deps outside read-only volume
- .env.example: document DOWNLOAD_BACKEND and SQUID_QUALITY

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
2026-05-02 20:44:26 +02:00

61 lines
2.4 KiB
JavaScript

const CONFIG = require('./config');
const { log, updateJob } = require('./jobs');
const ytdlp = require('./ytdlp');
const squid = require('./squid');
// Route a single track download to the correct backend, with optional fallback.
async function downloadTrack(opts) {
const backend = CONFIG.downloadBackend;
if (backend === 'ytdlp') return ytdlp.downloadTrack(opts);
if (backend === 'squid') return squid.downloadTrack(opts);
// 'auto': squid first, yt-dlp as fallback
try {
const result = await squid.downloadTrack(opts);
if (result !== null) return result;
// null = not found on Qobuz — fall through to yt-dlp
log(opts.jobId, '⚠️ squid.wtf: nicht gefunden — Fallback zu yt-dlp');
} catch (e) {
log(opts.jobId, `⚠️ squid.wtf Fehler — Fallback zu yt-dlp: ${e.message}`);
}
return ytdlp.downloadTrack(opts);
}
// Download all tracks of an album sequentially, updating job progress.
async function downloadAlbumTracks({ jobId, artist, albumTitle, tracks, artworkUrl }) {
const total = tracks.length;
log(jobId, `📀 Album "${albumTitle}" — ${total} Tracks`);
let done = 0, skipped = 0;
for (const track of tracks) {
try {
const result = await downloadTrack({
jobId,
artist: track.artistName || artist,
albumArtist: artist,
title: track.trackName || track.title,
album: albumTitle,
year: track.releaseDate ? new Date(track.releaseDate).getFullYear() : undefined,
trackNum: track.trackNumber || undefined,
totalTracks: total,
discNum: track.discNumber || undefined,
discTotal: track.discCount || undefined,
compilation: track.collectionType === 'Compilation' || undefined,
genre: track.primaryGenreName || undefined,
artworkUrl: artworkUrl || track.artworkUrl100,
explicit: track.trackExplicitness === 'explicit',
outputDir: CONFIG.musicPath,
durationMs: track.trackTimeMillis || undefined,
});
if (result?.skipped) skipped++; else done++;
updateJob(jobId, { progress: Math.round(((done + skipped) / total) * 90) });
} catch (e) {
log(jobId, `⚠️ Fehler bei "${track.trackName || track.title}": ${e.message}`);
}
}
return { done, skipped };
}
module.exports = { downloadTrack, downloadAlbumTracks };