WIP: playists refactor: fix rescan

app/playlists.py

@@ -1759,17 +1759,23 @@ class PlaylistTab(QTableWidget):
         """Rescan track"""
 
         with Session() as session:
+            row_colour = None
             track = session.get(Tracks, track_id)
-            if not track:
+            if track:
+                if not file_is_readable(track.path):
+                    row_colour = QColor(Config.COLOUR_UNREADABLE)
+                else:
+                    set_track_metadata(session, track)
+                    self._update_row(session, row, track)
+            else:
                 log.error(
                     f"playlists._rescan({track_id=}): "
                     "Track not found"
                 )
-                return
+                row_colour = QColor(Config.COLOUR_UNREADABLE)
 
-            set_track_metadata(session, track)
-            # TODO: set readable/unreadable
-            self._update_row(session, row, track)
+            self._set_row_colour(row, row_colour)
+            self.clear_selection()
 
     def _run_subprocess(self, args):
         """Run args in subprocess"""
@@ -2222,8 +2228,6 @@ class PlaylistTab(QTableWidget):
         _ = self._set_row_duration(row, track.duration)
         _ = self._set_row_bitrate(row, track.bitrate)
 
-        self.update_display(session)
-
     def _update_section_headers(self, session: scoped_session) -> None:
         """
         Update section headers with run time of section