Offline check ser ok ud.

linedance-app/local/scanner.py

@@ -50,10 +50,12 @@ def scan_library(library_id: int, library_path: str, db_path: str,
     # Byg indeks over kendte filer
     known = {}
     for row in conn.execute(
-        "SELECT local_path, file_modified_at FROM songs WHERE library_id=?",
+        "SELECT local_path, file_modified_at, file_missing FROM songs WHERE library_id=?",
         (library_id,)
     ).fetchall():
-        known[row["local_path"]] = row["file_modified_at"]
+        # Sange markeret som manglende medtages ikke i known — de skal altid genscanes
+        if not row["file_missing"]:
+            known[row["local_path"]] = row["file_modified_at"]
 
     # Find alle musikfiler
     all_files = []
@@ -87,10 +89,44 @@ def scan_library(library_id: int, library_path: str, db_path: str,
             tags = read_tags(fp)
             extra = json.dumps(tags.get("extra_tags", {}), ensure_ascii=False)
 
+            # Match 1: præcis sti-match
             existing = conn.execute(
                 "SELECT id, bpm FROM songs WHERE local_path=?", (path_str,)
             ).fetchone()
 
+            # Match 2: titel+artist match — fil er flyttet eller var missing
+            if not existing:
+                title  = tags.get("title", "")
+                artist = tags.get("artist", "")
+                if title:
+                    # Prioritér file_missing=1 sange, men tag også sange med ugyldig sti
+                    existing = conn.execute("""
+                        SELECT id, bpm FROM songs
+                        WHERE title=? AND artist=? AND file_missing=1
+                        LIMIT 1
+                    """, (title, artist)).fetchone()
+                    if not existing:
+                        # Tjek om der er en sang med samme titel+artist men ugyldig sti
+                        existing = conn.execute("""
+                            SELECT id, bpm, local_path FROM songs
+                            WHERE title=? AND artist=? AND file_missing=0
+                            LIMIT 1
+                        """, (title, artist)).fetchone()
+                        if existing:
+                            from pathlib import Path as _Path
+                            old_path = existing["local_path"] or ""
+                            if old_path and not _Path(old_path).exists():
+                                pass  # Sti er ugyldig — brug dette match
+                            else:
+                                existing = None  # Sti er valid — det er en anden fil
+
+                    if existing:
+                        # Opdater stien så den peger på den nye placering
+                        conn.execute(
+                            "UPDATE songs SET local_path=? WHERE id=?",
+                            (path_str, existing["id"])
+                        )
+
             if existing:
                 bpm = tags.get("bpm", 0)
                 if not overwrite_bpm and existing["bpm"] and existing["bpm"] > 0: