Added the playlist generator

src/routes/albums.rs

@@ -116,51 +116,18 @@ async fn get_album(
     })))
 }
 
-/// Given a release-group MBID, find the first release MBID via the MB API.
+/// Given a release-group MBID, find the first release MBID via the shared MB client.
 async fn resolve_release_from_group(
-    _state: &web::Data<AppState>,
+    state: &web::Data<AppState>,
     release_group_mbid: &str,
 ) -> Result<String, ApiError> {
-    // Use the MB client's get_json (it's private, so we go through search)
-    // The approach: search for releases by this release group
-    // MB API: /ws/2/release?release-group={mbid}&fmt=json&limit=1
-    // Since we can't call get_json directly, use the artist_releases approach
-    // to find a release that matches this group.
-    //
-    // Actually, the simplest: the MetadataFetcher trait has get_artist_releases
-    // which returns releases, but we need releases for a release GROUP.
-    // Let's add a direct HTTP call here via reqwest.
-
-    let url = format!(
-        "https://musicbrainz.org/ws/2/release?release-group={release_group_mbid}&fmt=json&limit=1"
-    );
-
-    // Respect rate limiting by going through a small delay
-    tokio::time::sleep(std::time::Duration::from_millis(1100)).await;
-
-    let client = reqwest::Client::builder()
-        .user_agent("Shanty/0.1.0 (shanty-music-app)")
-        .build()
-        .map_err(|e| ApiError::Internal(e.to_string()))?;
-
-    let resp: serde_json::Value = client
-        .get(&url)
-        .send()
+    state
+        .mb_client
+        .resolve_release_from_group(release_group_mbid)
         .await
-        .map_err(|e| ApiError::Internal(e.to_string()))?
-        .json()
-        .await
-        .map_err(|e| ApiError::Internal(e.to_string()))?;
-
-    resp.get("releases")
-        .and_then(|r| r.as_array())
-        .and_then(|arr| arr.first())
-        .and_then(|r| r.get("id"))
-        .and_then(|id| id.as_str())
-        .map(String::from)
-        .ok_or_else(|| {
+        .map_err(|e| {
             ApiError::NotFound(format!(
-                "no releases found for release group {release_group_mbid}"
+                "no releases found for release group {release_group_mbid}: {e}"
             ))
         })
 }