refactor(server/sql): unify *ForUser track queries via nullable user_id (A1)

internal/api/library.go

@@ -6,6 +6,7 @@ import (
 
 	"github.com/go-chi/chi/v5"
 	"github.com/jackc/pgx/v5"
+	"github.com/jackc/pgx/v5/pgtype"
 
 	"git.fabledsword.com/bvandeusen/minstrel/internal/apierror"
 	"git.fabledsword.com/bvandeusen/minstrel/internal/auth"
@@ -53,14 +54,13 @@ func (h *handlers) handleGetAlbum(w http.ResponseWriter, r *http.Request) {
 		writeErr(w, apierror.InternalMsg("lookup failed", err))
 		return
 	}
-	var tracks []dbq.Track
+	var userID pgtype.UUID
 	if user, ok := auth.UserFromContext(r.Context()); ok {
-		tracks, err = q.ListTracksByAlbumForUser(r.Context(), dbq.ListTracksByAlbumForUserParams{
-			AlbumID: album.ID, UserID: user.ID,
-		})
-	} else {
-		tracks, err = q.ListTracksByAlbum(r.Context(), album.ID)
+		userID = user.ID
 	}
+	tracks, err := q.ListTracksByAlbum(r.Context(), dbq.ListTracksByAlbumParams{
+		AlbumID: album.ID, UserID: userID,
+	})
 	if err != nil {
 		h.logger.Error("api: list tracks failed", "err", err)
 		writeErr(w, apierror.InternalMsg("lookup failed", err))