Set start correctly when note edited

app/model.py

@@ -80,7 +80,7 @@ class Notes(Base):
         Update note details. If text=None, don't change text.
         """
 
-        DEBUG(f"update_note(id={id}, row={row}, text={text})")
+        DEBUG(f"Notes.update_note(id={id}, row={row}, text={text})")
 
         note = session.query(cls).filter(cls.id == id).one()
         note.row = row

app/playlists.py

@@ -17,7 +17,7 @@ import os
 
 from config import Config
 from datetime import datetime, timedelta
-from helpers import get_relative_date, open_in_audacity, show_warning
+from helpers import get_relative_date, open_in_audacity
 from log import DEBUG, ERROR
 from model import (
     Notes, Playdates, Playlists, PlaylistTracks, Session, Settings, Tracks
@@ -232,10 +232,12 @@ class PlaylistTab(QTableWidget):
         start_time = None
         try:
             start_time = datetime.strptime(note.note[-9:], " %H:%M:%S").time()
-            DEBUG(f"Note contains valid time={start_time}")
+            DEBUG(
+                f"playlist.inset_note(): Note contains valid time={start_time}"
+            )
         except ValueError:
             DEBUG(
-                f"Note on row {row} ('{note.note}') "
+                f"playlist.inset_note(): Note on row {row} ('{note.note}') "
                 "does not contain valid time"
             )
 
@@ -621,6 +623,9 @@ class PlaylistTab(QTableWidget):
 
         if not self.editing_cell:
             return
+        # If we update start time, _cell_changed will be called
+        if column not in [self.COL_TITLE, self.COL_ARTIST]:
+            return
 
         new = self.item(row, column).text()
 
@@ -629,7 +634,28 @@ class PlaylistTab(QTableWidget):
         row_id = self._get_row_id(row)
         with Session() as session:
             if row in self._meta_get_notes():
+                # Save change to database
+                DEBUG(
+                    f"Notes.update_note: saving new note text '{new=}'",
+                    True
+                )
                 Notes.update_note(session, row_id, row, new)
+                # Set/clear row start time accordingly
+                try:
+                    start_dt = datetime.strptime(new[-9:], " %H:%M:%S")
+                    start_time = start_dt.time()
+                    self._set_row_start_time(row, start_time)
+                    DEBUG(
+                        f"_cell_changed:Note {new} contains valid "
+                        f"time={start_time}"
+                    )
+                except ValueError:
+                    # Reset row start time in case it used to have one
+                    self._set_row_start_time(row, None)
+                    DEBUG(
+                        f"_cell_changed:Note {new} does not contain "
+                        "start time"
+                    )
             else:
                 track = Tracks.get_track(session, row_id)
                 if column == self.COL_ARTIST:
@@ -647,6 +673,11 @@ class PlaylistTab(QTableWidget):
     def _cell_edit_ended(self):
         DEBUG("_cell_edit_ended()")
         self.editing_cell = False
+
+        # Call repaint to update start times, such as when a note has
+        # been edited
+        self._repaint()
+
         self.master_process.enable_play_next_controls()
 
     def _delete_rows(self):