fix(share): use Qobuz track URL for song.link instead of ISRC

Odesli API doesn't support direct ISRC lookup. Changed to use
Qobuz track URL (https://open.qobuz.com/track/{id}) which Odesli
can properly resolve to song.link.

src-tauri/src/commands/share.rs

@@ -2,29 +2,20 @@
 
 use tauri::State;
 
-use crate::share::{ShareError, SongLinkClient, SongLinkResponse};
+use crate::share::{ShareError, SongLinkResponse};
 use crate::AppState;
 
-/// Get song.link URL for a track
-/// Requires ISRC to be present in the track metadata
+/// Get song.link URL for a track using Qobuz track ID
 #[tauri::command]
 pub async fn share_track_songlink(
-    isrc: Option<String>,
+    track_id: u64,
     state: State<'_, AppState>,
 ) -> Result<SongLinkResponse, String> {
-    let isrc = isrc.ok_or_else(|| {
-        ShareError::MissingIsrc.to_string()
-    })?;
-
-    if isrc.is_empty() {
-        return Err(ShareError::MissingIsrc.to_string());
-    }
-
-    log::info!("Command: share_track_songlink ISRC={}", isrc);
+    log::info!("Command: share_track_songlink track_id={}", track_id);
 
     state
         .songlink
-        .get_by_isrc(&isrc)
+        .get_by_track_id(&track_id.to_string())
         .await
         .map_err(|e| e.to_string())
 }

src-tauri/src/share/songlink.rs

@@ -48,22 +48,24 @@ impl SongLinkClient {
         }
     }
 
-    /// Get song.link URL for a track by ISRC
-    pub async fn get_by_isrc(&self, isrc: &str) -> Result<SongLinkResponse, ShareError> {
-        let cache_key = format!("isrc:{}", isrc);
+    /// Get song.link URL for a track by Qobuz track ID
+    pub async fn get_by_track_id(&self, track_id: &str) -> Result<SongLinkResponse, ShareError> {
+        let cache_key = format!("track:{}", track_id);
 
         // Check cache first
         if let Some(cached) = self.get_from_cache(&cache_key) {
-            log::debug!("Cache hit for ISRC: {}", isrc);
+            log::debug!("Cache hit for track ID: {}", track_id);
             return Ok(cached);
         }
 
-        log::info!("Fetching song.link for ISRC: {}", isrc);
+        // Use Qobuz track URL for Odesli lookup
+        let qobuz_url = format!("https://open.qobuz.com/track/{}", track_id);
+        log::info!("Fetching song.link for Qobuz track: {}", qobuz_url);
 
         let response = self
             .client
             .get(ODESLI_API_URL)
-            .query(&[("isrc", isrc), ("userCountry", "US")])
+            .query(&[("url", &qobuz_url), ("userCountry", &"US".to_string())])
             .send()
             .await?;
 
@@ -77,7 +79,7 @@ impl SongLinkClient {
         }
 
         let odesli: OdesliResponse = response.json().await?;
-        let result = self.convert_response(odesli, isrc.to_string(), ContentType::Track)?;
+        let result = self.convert_response(odesli, track_id.to_string(), ContentType::Track)?;
 
         // Cache the result
         self.store_in_cache(cache_key, result.clone());