feat(dl): online track search and add-to-queue utility

src/lib/services/deezer/addToQueue.ts

@@ -0,0 +1,51 @@
+/**
+ * Utility to add a Deezer track to the download queue
+ * Used by both search results and services/deezer pages
+ */
+
+import { deezerAPI } from '$lib/services/deezer';
+import { addToQueue } from '$lib/stores/downloadQueue';
+
+/**
+ * Fetch track metadata and add to download queue
+ * @param trackId - Deezer track ID
+ * @returns Promise that resolves when track is added to queue
+ */
+export async function addDeezerTrackToQueue(trackId: string): Promise<void> {
+  // Fetch full track data from GW API
+  const trackInfo = await deezerAPI.getTrack(trackId);
+
+  if (!trackInfo || !trackInfo.SNG_ID) {
+    throw new Error('Track not found or invalid track ID');
+  }
+
+  // Build track object
+  const track = {
+    id: trackInfo.SNG_ID,
+    title: trackInfo.SNG_TITLE,
+    artist: trackInfo.ART_NAME,
+    artistId: trackInfo.ART_ID,
+    artists: [trackInfo.ART_NAME],
+    album: trackInfo.ALB_TITLE,
+    albumId: trackInfo.ALB_ID,
+    albumArtist: trackInfo.ART_NAME,
+    albumArtistId: trackInfo.ART_ID,
+    trackNumber: trackInfo.TRACK_NUMBER || 1,
+    discNumber: trackInfo.DISK_NUMBER || 1,
+    duration: trackInfo.DURATION,
+    explicit: trackInfo.EXPLICIT_LYRICS === 1,
+    md5Origin: trackInfo.MD5_ORIGIN,
+    mediaVersion: trackInfo.MEDIA_VERSION,
+    trackToken: trackInfo.TRACK_TOKEN
+  };
+
+  // Add to queue
+  await addToQueue({
+    source: 'deezer',
+    type: 'track',
+    title: track.title,
+    artist: track.artist,
+    totalTracks: 1,
+    downloadObject: track
+  });
+}