handle watching ~/ dir

+ fix bug that caused duplicate album colors in db

app/db/sqlite/tracks.py

@@ -130,15 +130,9 @@ class SQLiteTrackMethods:
             cur.execute("DELETE FROM tracks WHERE filepath=?", (filepath,))
 
     @staticmethod
-    def track_exists(filepath: str):
-        """
-        Checks if a track exists in the database using its filepath.
-        """
+    def remove_tracks_by_folders(folders: list[str]):
+        sql = "DELETE FROM tracks WHERE folder = ?"
+
         with SQLiteManager() as cur:
-            cur.execute("SELECT * FROM tracks WHERE filepath=?", (filepath,))
-            row = cur.fetchone()
-
-            if row is not None:
-                return True
-
-            return False
+            for folder in folders:
+                cur.execute(sql, (folder,))