Diverse rettelser

linedance-app/local/local_db.py

@@ -744,4 +744,28 @@ def get_community_alts_for_song(song_id: str) -> list:
             WHERE cad.song_id = ?
             ORDER BY cad.avg_rating DESC
         """, (song_id,)).fetchall()
-        return [dict(r) for r in rows]
+        return [dict(r) for r in rows]
+
+def refresh_file_availability():
+    """Tjek hurtigt om alle kendte filer stadig eksisterer — opdater file_missing.
+    Køres ved opstart i baggrundstråd."""
+    from pathlib import Path
+    try:
+        with get_db() as conn:
+            rows = conn.execute(
+                "SELECT id, local_path, file_missing FROM files"
+            ).fetchall()
+            for row in rows:
+                try:
+                    exists = Path(row["local_path"]).exists()
+                    expected = 0 if exists else 1
+                    if row["file_missing"] != expected:
+                        conn.execute(
+                            "UPDATE files SET file_missing=? WHERE id=?",
+                            (expected, row["id"])
+                        )
+                except Exception:
+                    pass
+        logger.info("Fil-tilgængelighed opdateret")
+    except Exception as e:
+        logger.warning(f"refresh_file_availability fejl: {e}")