From 88a3d2f67b03aaa40cb1861c224c5e100ba14ffc Mon Sep 17 00:00:00 2001
From: Carsten Kvist <carsten@familienkvist.dk>
Date: Sun, 12 Apr 2026 11:38:21 +0200
Subject: [PATCH] Videre

---
 linedance-app/local/file_watcher.py | 39 ++++++++++++++++++++---------
 1 file changed, 27 insertions(+), 12 deletions(-)

diff --git a/linedance-app/local/file_watcher.py b/linedance-app/local/file_watcher.py
index a0022e16..119541b5 100644
--- a/linedance-app/local/file_watcher.py
+++ b/linedance-app/local/file_watcher.py
@@ -12,7 +12,13 @@ from pathlib import Path
 from typing import Callable
 
 try:
-    from watchdog.observers import Observer
+    import sys
+    if sys.platform == "win32":
+        # WindowsApiObserver opretter en tråd per undermappe og løber tør
+        # for Windows handles ved store biblioteker — brug polling i stedet
+        from watchdog.observers.polling import PollingObserver as Observer
+    else:
+        from watchdog.observers import Observer
     from watchdog.events import (
         FileSystemEventHandler,
         FileCreatedEvent,
@@ -23,7 +29,6 @@ try:
     WATCHDOG_AVAILABLE = True
 except ImportError:
     WATCHDOG_AVAILABLE = False
-    print("Advarsel: watchdog ikke installeret — fil-overvågning deaktiveret")
 
 from local.tag_reader import is_supported, read_tags, get_file_modified_at
 from local.local_db import (
@@ -184,16 +189,26 @@ class LibraryWatcher:
                 self._observer.schedule(handler, str(path), recursive=True)
 
     def _full_scan_all(self):
-        """Kør fuld scan på alle aktive biblioteker — i baggrundstråde."""
-        for lib in get_libraries(active_only=True):
-            path = Path(lib["path"])
-            if path.exists():
-                t = threading.Thread(
-                    target=self._full_scan_library,
-                    args=(lib["id"], str(path)),
-                    daemon=True
-                )
-                t.start()
+        """Kør fuld scan på alle aktive biblioteker — én ad gangen i baggrundstråd."""
+        def _run():
+            try:
+                import sqlite3
+                from local.local_db import DB_PATH
+                conn = sqlite3.connect(str(DB_PATH))
+                conn.row_factory = sqlite3.Row
+                libs = conn.execute(
+                    "SELECT id, path FROM libraries WHERE is_active=1"
+                ).fetchall()
+                conn.close()
+                for lib in libs:
+                    lib_path = Path(lib["path"])
+                    if lib_path.exists():
+                        self._full_scan_library(lib["id"], str(lib_path))
+            except Exception as e:
+                logger.error(f"_full_scan_all fejl: {e}")
+
+        # Kør i én baggrundstråd — undgår Windows handle-udmattelse
+        threading.Thread(target=_run, daemon=True).start()
 
     def _full_scan_library(self, library_id: int, library_path: str):
         """Scan ét bibliotek med sin egen SQLite-forbindelse — blokerer aldrig GUI."""