Fix development bug that truncated playlists

Saving of playlist and updating note colours more consistent.

app/musicmuster.py

@@ -727,11 +727,9 @@ class Window(QMainWindow, Ui_MainWindow):
 
         Actions required:
          - Set flag to say we're not playing a track
-         - Reset current track
          - Tell playlist_tab track has finished
-         - Reset current playlist_tab
+         - Reset PlaylistTrack objects
          - Reset clocks
-         - Reset end time
          - Update headers
          - Enable controls
         """
@@ -740,7 +738,7 @@ class Window(QMainWindow, Ui_MainWindow):
         # doesn't see player=None and kick off end-of-track actions
         self.playing = False
 
-        # Remove currently playing track colour
+        # Tell playlist_tab track has finished
         if self.current_track.playlist_tab:
             self.current_track.playlist_tab.play_ended()
 

app/playlists.py

@@ -518,6 +518,10 @@ class PlaylistTab(QTableWidget):
         plr = PlaylistRows(session, self.playlist_id, None, row_number, note)
         self.insert_row(session, plr)
         self._set_row_header_text(session, row_number, note)
+        self.save_playlist(session)
+        # Queue up time calculations to take place after UI has
+        # updated
+        QTimer.singleShot(0, self._update_start_end_times)
 
     def insert_row(self, session: scoped_session, plr: PlaylistRows,
                    update_track_times: bool = True, played=False) -> None:
@@ -556,13 +560,6 @@ class PlaylistTab(QTableWidget):
         # Set bold as needed
         self._set_row_bold(row, bold)
 
-        self.save_playlist(session)
-
-        if update_track_times:
-            # Queue up time calculations to take place after UI has
-            # updated
-            QTimer.singleShot(0, self._update_start_end_times)
-
     def insert_track(self, session: scoped_session, track: Tracks,
                      note: str = "", repaint: bool = True) -> None:
         """
@@ -601,17 +598,23 @@ class PlaylistTab(QTableWidget):
         plr = PlaylistRows(session, self.playlist_id, track.id,
                            row_number, note)
         self.insert_row(session, plr)
+        self.save_playlist(session)
+        # Queue up time calculations to take place after UI has
+        # updated
+        QTimer.singleShot(0, self._update_start_end_times)
 
     def play_ended(self) -> None:
         """
         Called by musicmuster when play has ended
         """
 
-        row = self._get_current_track_row_number()
-        if not row:
+        row_number = self._get_current_track_row_number()
+        if not row_number:
             return
-        self._set_row_colour_default(row)
+        self._set_row_colour_default(row_number)
         self.clear_selection()
+        with Session() as session:
+            self._set_row_note_colour(session, row_number)
 
     def play_started(self, session: scoped_session) -> None:
         """
@@ -685,13 +688,14 @@ class PlaylistTab(QTableWidget):
         # Set widths
         self._set_column_widths(session)
 
+        self.save_playlist(session)
+        # Queue up time calculations to take place after UI has
+        # updated
+        QTimer.singleShot(0, self._update_start_end_times)
         # Needed to wrap notes column correctly - add to event queue so
         # that it's processed after list is populated
         QTimer.singleShot(0, self.tab_visible)
 
-        # Set track start/end times after track list is populated
-        QTimer.singleShot(0, self._update_start_end_times)
-
     def remove_rows(self, row_numbers: List[int]) -> None:
         """Remove passed rows from display"""
 
@@ -1422,6 +1426,9 @@ class PlaylistTab(QTableWidget):
             plr.row_number = new_row_number
         self.insert_row(session, plr)
         self.save_playlist(session)
+        # Queue up time calculations to take place after UI has
+        # updated
+        QTimer.singleShot(0, self._update_start_end_times)
 
     def _mplayer_play(self, track_id: int) -> None:
         """Play track with mplayer"""
@@ -1930,6 +1937,27 @@ class PlaylistTab(QTableWidget):
 
         self._set_row_bold(row, False)
 
+    def _set_row_note_colour(self, session: scoped_session,
+                             row_number: int) -> None:
+        """
+        Set row note colour
+        """
+
+        # Sanity check: this should be a track row and thus have a
+        # track associated
+        if not self._get_row_track_id(row_number):
+            send_mail(Config.ERRORS_TO,
+                      Config.ERRORS_FROM,
+                      "playists:_set_row_note_colour() called on header row",
+                      stackprinter.format()
+                      )
+            return
+
+        # Set colour
+        note_text = self._get_row_note(row_number)
+        note_colour = NoteColours.get_colour(session, note_text)
+        self._set_cell_colour(row_number, ROW_NOTES, note_colour)
+
     def _set_row_note_text(self, session: scoped_session,
                            row_number: int, text: str) -> None:
         """
@@ -1950,8 +1978,7 @@ class PlaylistTab(QTableWidget):
         _ = self._set_item_text(row_number, ROW_NOTES, text)
 
         # Set colour
-        note_colour = NoteColours.get_colour(session, text)
-        self._set_cell_colour(row_number, ROW_NOTES, note_colour)
+        self._set_row_note_colour(session, row_number)
 
     def _set_row_plr_id(self, row: int, plr_id: int) -> QTableWidgetItem:
         """