fixed up the featured artist thing

src/routes/albums.rs

@@ -69,19 +69,32 @@ async fn get_album(
     let mbid = path.into_inner();
 
     // Try fetching as a release first
-    let mb_tracks = match state.mb_client.get_release_tracks(&mbid).await {
-        Ok(tracks) => tracks,
+    let (mb_tracks, _release_mbid) = match state.mb_client.get_release_tracks(&mbid).await {
+        Ok(tracks) => (tracks, mbid.clone()),
         Err(_) => {
             // Probably a release-group MBID. Browse releases for this group.
-            let release_mbid = resolve_release_from_group(&state, &mbid).await?;
-            state
+            let resolved = resolve_release_from_group(&state, &mbid).await?;
+            let tracks = state
                 .mb_client
-                .get_release_tracks(&release_mbid)
+                .get_release_tracks(&resolved)
                 .await
-                .map_err(|e| ApiError::Internal(format!("MusicBrainz error: {e}")))?
+                .map_err(|e| ApiError::Internal(format!("MusicBrainz error: {e}")))?;
+            (tracks, resolved)
         }
     };
 
+    // Get the album artist from the release's recording credits
+    let album_artist = if let Some(first_track) = mb_tracks.first() {
+        state
+            .mb_client
+            .get_recording(&first_track.recording_mbid)
+            .await
+            .ok()
+            .map(|r| r.artist)
+    } else {
+        None
+    };
+
     // Get all wanted items to check local status
     let all_wanted = queries::wanted::list(state.db.conn(), None, None).await?;
 
@@ -112,6 +125,7 @@ async fn get_album(
 
     Ok(HttpResponse::Ok().json(serde_json::json!({
         "mbid": mbid,
+        "artist": album_artist,
         "tracks": tracks,
     })))
 }