Nit

server/src/api/tracks.rs

@@ -32,7 +32,7 @@ async fn get_track_check_user(
     track_id: i32,
     user: &users::Model,
 ) -> Result<Json<tracks::Model>, Either<Status, api::ErrorResponder>> {
-    if let Some(Some(user)) = user
+    if let Some(Some(track)) = user
         .find_related(Tracks)
         .filter(tracks::Column::Id.eq(track_id))
         .one(db)
@@ -40,7 +40,7 @@ async fn get_track_check_user(
         .transpose()
         .map(|it| it.ok())
     {
-        Ok(Json(user))
+        Ok(Json(track))
     } else {
         Err(Left(Status::NotFound))
     }

server/src/api/update.rs

@@ -95,6 +95,7 @@ impl Update {
         if receiver_count > 0 {
             trace!(receiver_count = receiver_count, update = as_serde!(self); "sending update");
             let count = tx.send(self.clone())?;
+            trace!(count = count; "update sent");
         } else {
             trace!("no update receivers, skipping message");
         }