WIP: progressing no sessions in app files

Save/restore playlist column widths.

app/classes.py

@@ -194,7 +194,7 @@ class MusicMusterSignals(QObject):
     search_songfacts_signal = pyqtSignal(str)
     search_wikipedia_signal = pyqtSignal(str)
     show_warning_signal = pyqtSignal(str, str)
-    signal_add_track_to_header = pyqtSignal(int, int)
+    signal_add_track_to_header = pyqtSignal(InsertTrack)
     signal_begin_insert_rows = pyqtSignal(InsertRows)
     signal_end_insert_rows = pyqtSignal(int)
     signal_insert_track = pyqtSignal(InsertTrack)

app/dialogs.py

@@ -21,20 +21,14 @@ from PyQt6.QtWidgets import (
 )
 
 # Third party imports
-from sqlalchemy.orm.session import Session
 
 # App imports
 from classes import ApplicationError, InsertTrack, MusicMusterSignals
 from helpers import (
-    ask_yes_no,
     get_relative_date,
     ms_to_mmss,
 )
-from log import log
-from models import Settings, Tracks
-from playlistmodel import PlaylistModel
 import repository
-from ui import dlg_TrackSelect_ui
 
 
 class TrackInsertDialog(QDialog):
@@ -111,6 +105,8 @@ class TrackInsertDialog(QDialog):
         # height = record.f_int or 600
         # self.resize(width, height)
 
+        self.signals = MusicMusterSignals()
+
     def update_list(self, text: str) -> None:
         self.track_list.clear()
         if text.strip() == "":
@@ -145,7 +141,6 @@ class TrackInsertDialog(QDialog):
             return
 
         insert_track_data = InsertTrack(self.playlist_id, track_id, note_text)
-        self.signals.signal_insert_track.emit(insert_track_data)
 
         self.title_edit.clear()
         self.note_edit.clear()
@@ -153,17 +148,13 @@ class TrackInsertDialog(QDialog):
         self.title_edit.setFocus()
 
         if self.add_to_header:
+            self.signals.signal_add_track_to_header.emit(insert_track_data)
             self.accept()
+        else:
+            self.signals.signal_insert_track.emit(insert_track_data)
 
     def add_and_close_clicked(self):
-        track_id = self.get_selected_track_id()
-        if track_id is not None:
-            note_text = self.note_edit.text()
-            insert_track_data = InsertTrack(
-                playlist_id=self.playlist_id, track_id=self.track_id, note=self.note
-            )
-            insert_track_data = InsertTrack(self.playlist_id, track_id, note_text)
-            self.signals.signal_insert_track.emit(insert_track_data)
+        self.add_clicked()
         self.accept()
 
     def selection_changed(self) -> None:

app/file_importer.py

@@ -4,7 +4,6 @@ from dataclasses import dataclass, field
 from fuzzywuzzy import fuzz  # type: ignore
 import os.path
 import threading
-from typing import Optional, Sequence
 import os
 import shutil
 
@@ -37,13 +36,15 @@ from classes import (
 from config import Config
 from helpers import (
     file_is_unreadable,
+    get_audio_metadata,
     get_tags,
+    normalise_track,
     show_OK,
 )
 from log import log
 from playlistrow import TrackSequence
 from playlistmodel import PlaylistModel
-import helpers
+import repository
 
 
 @dataclass
@@ -67,7 +68,7 @@ class TrackFileData:
     destination_path: str = ""
     import_this_file: bool = False
     error: str = ""
-    file_path_to_remove: Optional[str] = None
+    file_path_to_remove: str | None = None
     track_id: int = 0
     track_match_data: list[TrackMatchData] = field(default_factory=list)
 
@@ -250,7 +251,7 @@ class FileImporter:
                         artist_match=artist_score,
                         title=existing_track.title,
                         title_match=title_score,
-                        track_id=existing_track.id,
+                        track_id=existing_track.track_id,
                     )
                 )
 
@@ -383,12 +384,12 @@ class FileImporter:
         else:
             tfd.destination_path = existing_track_path
 
-    def _get_existing_track(self, track_id: int) -> Tracks:
+    def _get_existing_track(self, track_id: int) -> TrackDTO:
         """
         Lookup in existing track in the local cache and return it
         """
 
-        existing_track_records = [a for a in self.existing_tracks if a.id == track_id]
+        existing_track_records = [a for a in self.existing_tracks if a.track_id == track_id]
         if len(existing_track_records) != 1:
             raise ApplicationError(
                 f"Internal error in _get_existing_track: {existing_track_records=}"
@@ -461,13 +462,12 @@ class FileImporter:
             # file). Check that because the path field in the database is
             # unique and so adding a duplicate will give a db integrity
             # error.
-            with db.Session() as session:
-                if Tracks.get_by_path(session, tfd.destination_path):
-                    tfd.error = (
-                        "Importing a new track but destination path already exists "
-                        f"in database ({tfd.destination_path})"
-                    )
-                    return False
+            if repository.track_with_path(tfd.destination_path):
+                tfd.error = (
+                    "Importing a new track but destination path already exists "
+                    f"in database ({tfd.destination_path})"
+                )
+                return False
 
         # Check track_id
         if tfd.track_id < 0:
@@ -589,7 +589,7 @@ class DoTrackImport(QThread):
         tags: Tags,
         destination_path: str,
         track_id: int,
-        file_path_to_remove: Optional[str] = None,
+        file_path_to_remove: str | None = None,
     ) -> None:
         """
         Save parameters
@@ -620,7 +620,7 @@ class DoTrackImport(QThread):
         )
 
         # Get audio metadata in this thread rather than calling function to save interactive time
-        self.audio_metadata = helpers.get_audio_metadata(self.import_file_path)
+        self.audio_metadata = get_audio_metadata(self.import_file_path)
 
         # Remove old file if so requested
         if self.file_path_to_remove and os.path.exists(self.file_path_to_remove):
@@ -659,7 +659,7 @@ class DoTrackImport(QThread):
                     return
             session.commit()
 
-            helpers.normalise_track(self.destination_track_path)
+            normalise_track(self.destination_track_path)
 
             self.signals.status_message_signal.emit(
                 f"{os.path.basename(self.import_file_path)} imported", 10000

app/log.py

@@ -102,8 +102,8 @@ def handle_exception(exc_type, exc_value, exc_traceback):
 
         print(stackprinter.format(exc_value, suppressed_paths=['/.venv'], style='darkbg'))
 
-        msg = stackprinter.format(exc_value)
-        log.error(msg)
+        stack = stackprinter.format(exc_value)
+        log.error(stack)
         log.error(error_msg)
         print("Critical error:", error_msg)  # Consider logging instead of print
 
@@ -114,7 +114,7 @@ def handle_exception(exc_type, exc_value, exc_traceback):
                 Config.ERRORS_TO,
                 Config.ERRORS_FROM,
                 "Exception (log_uncaught_exceptions) from musicmuster",
-                msg,
+                stack,
             )
     if QApplication.instance() is not None:
         fname = os.path.split(exc_traceback.tb_frame.f_code.co_filename)[1]

app/musicmuster.py

@@ -2321,7 +2321,7 @@ class Window(QMainWindow):
                     track.intro = intro
                     session.commit()
                     self.preview_manager.set_intro(intro)
-                    self.current.base_model.refresh_row(session, row_number)
+                    self.current.base_model.refresh_row(row_number)
                     roles = [
                         Qt.ItemDataRole.DisplayRole,
                     ]

app/playlistmodel.py

@@ -34,6 +34,7 @@ from classes import (
     ApplicationError,
     Col,
     InsertRows,
+    InsertTrack,
     MusicMusterSignals,
 )
 from config import Config
@@ -144,16 +145,12 @@ class PlaylistModel(QAbstractTableModel):
         return header_row
 
     @log_call
-    def add_track_to_header(
-        self, playlist_id: int, track_id: int, note: str = ""
-    ) -> None:
+    def add_track_to_header(self, track_details: InsertTrack) -> None: 
         """
         Handle signal_add_track_to_header
         """
 
-        log.debug(f"{self}: add_track_to_header({playlist_id=}, {track_id=}, {note=}")
-
-        if playlist_id != self.playlist_id:
+        if track_details.playlist_id != self.playlist_id:
             return
 
         if not self.selected_rows:
@@ -173,8 +170,8 @@ class PlaylistModel(QAbstractTableModel):
             return
 
         if selected_row.note:
-            selected_row.note += " " + note
-        selected_row.track_id = track_id
+            selected_row.note += " " + track_details.note
+        selected_row.track_id = track_details.track_id
 
         # Update local copy
         self.refresh_row(selected_row.row_number)
@@ -288,12 +285,7 @@ class PlaylistModel(QAbstractTableModel):
                 f"current_track_started() called with no track_id ({playlist_dto=})"
             )
 
-        # TODO: ensure Playdates is updated
-        # with db.Session() as session:
-        #     # Update Playdates in database
-        #     log.debug(f"{self}: update playdates {track_id=}")
-        #     Playdates(session, track_id)
-        #     session.commit()
+        repository.update_playdates(track_id)
 
         # Mark track as played in playlist
         playlist_dto.played = True
@@ -359,23 +351,23 @@ class PlaylistModel(QAbstractTableModel):
 
         row = index.row()
         column = index.column()
-        # rat for playlist row data as it's used a lot
-        rat = self.playlist_rows[row]
+        # plr for playlist row data as it's used a lot
+        plr = self.playlist_rows[row]
 
         # These are ordered in approximately the frequency with which
         # they are called
         if role == Qt.ItemDataRole.BackgroundRole:
-            return self._background_role(row, column, rat)
+            return self._background_role(row, column, plr)
         elif role == Qt.ItemDataRole.DisplayRole:
-            return self._display_role(row, column, rat)
+            return self._display_role(row, column, plr)
         elif role == Qt.ItemDataRole.EditRole:
-            return self._edit_role(row, column, rat)
+            return self._edit_role(row, column, plr)
         elif role == Qt.ItemDataRole.FontRole:
-            return self._font_role(row, column, rat)
+            return self._font_role(row, column, plr)
         elif role == Qt.ItemDataRole.ForegroundRole:
-            return self._foreground_role(row, column, rat)
+            return self._foreground_role(row, column, plr)
         elif role == Qt.ItemDataRole.ToolTipRole:
-            return self._tooltip_role(row, column, rat)
+            return self._tooltip_role(row, column, plr)
 
         return QVariant()
 
@@ -402,7 +394,7 @@ class PlaylistModel(QAbstractTableModel):
         self.track_sequence.update()
         self.update_track_times()
 
-    def _display_role(self, row: int, column: int, rat: PlaylistRow) -> str:
+    def _display_role(self, row: int, column: int, plr: PlaylistRow) -> str:
         """
         Return text for display
         """
@@ -420,42 +412,42 @@ class PlaylistModel(QAbstractTableModel):
 
         if header_row:
             if column == HEADER_NOTES_COLUMN:
-                header_text = self.header_text(rat)
+                header_text = self.header_text(plr)
                 if not header_text:
                     return Config.SECTION_HEADER
                 else:
-                    formatted_header = self.header_text(rat)
+                    formatted_header = self.header_text(plr)
                     trimmed_header = self.remove_section_timer_markers(formatted_header)
                     return trimmed_header
             else:
                 return ""
 
         if column == Col.START_TIME.value:
-            start_time = rat.forecast_start_time
+            start_time = plr.forecast_start_time
             if start_time:
                 return start_time.strftime(Config.TRACK_TIME_FORMAT)
             return ""
 
         if column == Col.END_TIME.value:
-            end_time = rat.forecast_end_time
+            end_time = plr.forecast_end_time
             if end_time:
                 return end_time.strftime(Config.TRACK_TIME_FORMAT)
             return ""
 
         if column == Col.INTRO.value:
-            if rat.intro:
-                return f"{rat.intro / 1000:{Config.INTRO_SECONDS_FORMAT}}"
+            if plr.intro:
+                return f"{plr.intro / 1000:{Config.INTRO_SECONDS_FORMAT}}"
             else:
                 return ""
 
         dispatch_table: dict[int, str] = {
-            Col.ARTIST.value: rat.artist,
-            Col.BITRATE.value: str(rat.bitrate),
-            Col.DURATION.value: ms_to_mmss(rat.duration),
-            Col.LAST_PLAYED.value: get_relative_date(rat.lastplayed),
-            Col.NOTE.value: rat.note,
-            Col.START_GAP.value: str(rat.start_gap),
-            Col.TITLE.value: rat.title,
+            Col.ARTIST.value: plr.artist,
+            Col.BITRATE.value: str(plr.bitrate),
+            Col.DURATION.value: ms_to_mmss(plr.duration),
+            Col.LAST_PLAYED.value: get_relative_date(plr.lastplayed),
+            Col.NOTE.value: plr.note,
+            Col.START_GAP.value: str(plr.start_gap),
+            Col.TITLE.value: plr.title,
         }
         if column in dispatch_table:
             return dispatch_table[column]
@@ -470,13 +462,12 @@ class PlaylistModel(QAbstractTableModel):
 
         if playlist_id != self.playlist_id:
             return
-        with db.Session() as session:
-            self.refresh_data(session)
+        self.refresh_data()
         super().endResetModel()
         self.track_sequence.update()
         self.update_track_times()
 
-    def _edit_role(self, row: int, column: int, rat: PlaylistRow) -> str | int:
+    def _edit_role(self, row: int, column: int, plr: PlaylistRow) -> str | int:
         """
         Return value for editing
         """
@@ -484,31 +475,25 @@ class PlaylistModel(QAbstractTableModel):
         # If this is a header row and we're being asked for the
         # HEADER_NOTES_COLUMN, return the note value
         if self.is_header_row(row) and column == HEADER_NOTES_COLUMN:
-            return rat.note
+            return plr.note
 
         if column == Col.INTRO.value:
-            return rat.intro or 0
+            return plr.intro or 0
         if column == Col.TITLE.value:
-            return rat.title
+            return plr.title
         if column == Col.ARTIST.value:
-            return rat.artist
+            return plr.artist
         if column == Col.NOTE.value:
-            return rat.note
+            return plr.note
 
         return ""
 
-    def _foreground_role(self, row: int, column: int, rat: PlaylistRow) -> QBrush:
+    def _foreground_role(self, row: int, column: int, plr: PlaylistRow) -> QBrush:
         """Return header foreground colour or QBrush() if none"""
 
-        if self.is_header_row(row):
-            if rat.row_fg is None:
-                with db.Session() as session:
-                    rat.row_fg = NoteColours.get_colour(
-                        session, rat.note, foreground=True
-                    )
-            if rat.row_fg:
-                return QBrush(QColor(rat.row_fg))
-
+        plr.row_fg = repository.get_colour(plr.note, foreground=True)
+        if plr.row_fg:
+            return QBrush(QColor(plr.row_fg))
         return QBrush()
 
     def flags(self, index: QModelIndex) -> Qt.ItemFlag:
@@ -534,7 +519,7 @@ class PlaylistModel(QAbstractTableModel):
 
         return default
 
-    def _font_role(self, row: int, column: int, rat: PlaylistRow) -> QFont:
+    def _font_role(self, row: int, column: int, plr: PlaylistRow) -> QFont:
         """
         Return font
         """
@@ -673,21 +658,21 @@ class PlaylistModel(QAbstractTableModel):
 
         return QVariant()
 
-    def header_text(self, rat: PlaylistRow) -> str:
+    def header_text(self, plr: PlaylistRow) -> str:
         """
         Process possible section timing directives embeded in header
         """
 
-        if rat.note.endswith(Config.SECTION_STARTS):
-            return self.start_of_timed_section_header(rat)
+        if plr.note.endswith(Config.SECTION_STARTS):
+            return self.start_of_timed_section_header(plr)
 
-        elif rat.note.endswith("="):
-            return self.section_subtotal_header(rat)
+        elif plr.note.endswith("="):
+            return self.section_subtotal_header(plr)
 
-        elif rat.note == "-":
+        elif plr.note == "-":
             # If the hyphen is the only thing on the line, echo the note
             # that started the section without the trailing "+".
-            for row_number in range(rat.row_number - 1, -1, -1):
+            for row_number in range(plr.row_number - 1, -1, -1):
                 row_rat = self.playlist_rows[row_number]
                 if self.is_header_row(row_number):
                     if row_rat.note.endswith("-"):
@@ -697,7 +682,7 @@ class PlaylistModel(QAbstractTableModel):
                         return f"[End: {row_rat.note[:-1]}]"
             return "-"
 
-        return rat.note
+        return plr.note
 
     def hide_played_tracks(self, hide: bool) -> None:
         """
@@ -855,31 +840,6 @@ class PlaylistModel(QAbstractTableModel):
         if to_row_number in from_rows:
             return False  # Destination within rows to be moved
 
-        # # Remove rows from bottom to top to avoid index shifting
-        # for row in sorted(from_rows, reverse=True):
-        #     self.beginRemoveRows(QModelIndex(), row, row)
-        #     del self.playlist_rows[row]
-        #     # At this point self.playlist_rows has been updated but the
-        #     # underlying database has not (that's done below after
-        #     # inserting the rows)
-        #     self.endRemoveRows()
-
-        # # Adjust insertion point after removal
-        # if to_row_number > max(from_rows):
-        #     rows_below_dest = len([r for r in from_rows if r < to_row_number])
-        #     insertion_point = to_row_number - rows_below_dest
-        # else:
-        #     insertion_point = to_row_number
-
-        # # Insert rows at the destination
-        # plrid_to_new_row_number: list[dict[int, int]] = []
-        # for offset, row_data in enumerate(rows_to_move):
-        #     row_number = insertion_point + offset
-        #     self.beginInsertRows(QModelIndex(), row_number, row_number)
-        #     self.playlist_rows[row_number] = row_data
-        #     plrid_to_new_row_number.append({row_data.playlistrow_id: row_number})
-        #     self.endInsertRows()
-
         # Notify model going to change
         self.beginResetModel()
         # Update database
@@ -887,25 +847,6 @@ class PlaylistModel(QAbstractTableModel):
         # Notify model changed
         self.endResetModel()
 
-        # Handle the moves in row_group chunks
-        for row_group in row_groups:
-            # Tell model we will be moving rows
-            # See https://doc.qt.io/qt-6/qabstractitemmodel.html#beginMoveRows
-            # for how destination is calculated
-            destination = to_row_number
-            if to_row_number > max(row_group):
-                destination = to_row_number - max(row_group) + 1
-            super().beginMoveRows(QModelIndex(),
-                                  min(row_group),
-                                  max(row_group),
-                                  QModelIndex(),
-                                  destination
-                                  )
-            # Update database
-            repository.move_rows_within_playlist(self.playlist_id, row_group, to_row_number)
-            # Tell model we have finished moving rows
-            super().endMoveRows()
-
         # Update display
         self.refresh_data()
         self.track_sequence.update()
@@ -916,26 +857,7 @@ class PlaylistModel(QAbstractTableModel):
         #     Qt.ItemDataRole.DisplayRole,
         # ]
         # self.invalidate_rows(list(row_map.keys()), roles)
-
-    def begin_insert_rows(self, insert_rows: InsertRows) -> None:
-        """
-        Prepare model to insert rows
-        """
-
-        if insert_rows.playlist_id != self.playlist_id:
-            return
-
-        super().beginInsertRows(QModelIndex(), insert_rows.from_row, insert_rows.to_row)
-
-    def end_insert_rows(self, playlist_id: int) -> None:
-        """
-        End insert rows
-        """
-
-        if playlist_id != self.playlist_id:
-            return
-
-        super().endInsertRows()
+        return True
 
     @log_call
     def move_rows_between_playlists(
@@ -974,11 +896,10 @@ class PlaylistModel(QAbstractTableModel):
                                      to_row_number + len(row_group)
                                      )
             self.signals.signal_begin_insert_rows.emit(insert_rows)
-            repository.move_rows_to_playlist(from_rows=row_group,
-                                             from_playlist_id=self.playlist_id,
-                                             to_row=to_row_number,
-                                             to_playlist_id=to_playlist_id
-                                             )
+            repository.move_rows(from_rows=row_group,
+                                 from_playlist_id=self.playlist_id,
+                                 to_row=to_row_number,
+                                 to_playlist_id=to_playlist_id)
             self.signals.signal_end_insert_rows.emit(to_playlist_id)
             super().endRemoveRows()
 
@@ -986,6 +907,26 @@ class PlaylistModel(QAbstractTableModel):
         self.track_sequence.update()
         self.update_track_times()
 
+    def begin_insert_rows(self, insert_rows: InsertRows) -> None:
+        """
+        Prepare model to insert rows
+        """
+
+        if insert_rows.playlist_id != self.playlist_id:
+            return
+
+        super().beginInsertRows(QModelIndex(), insert_rows.from_row, insert_rows.to_row)
+
+    def end_insert_rows(self, playlist_id: int) -> None:
+        """
+        End insert rows
+        """
+
+        if playlist_id != self.playlist_id:
+            return
+
+        super().endInsertRows()
+
     @log_call
     def move_track_add_note(
         self, new_row_number: int, existing_plr: PlaylistRow, note: str
@@ -1007,23 +948,6 @@ class PlaylistModel(QAbstractTableModel):
         self.move_rows([existing_plr.row_number], new_row_number)
         self.signals.resize_rows_signal.emit(self.playlist_id)
 
-    @log_call
-    def move_track_to_header(
-        self,
-        header_row_number: int,
-        existing_rat: RowAndTrack,
-        note: Optional[str],
-    ) -> None:
-        """
-        Add the existing_rat track details to the existing header at header_row_number
-        """
-
-        if existing_rat.track_id:
-            if note and existing_rat.note:
-                note += "\n" + existing_rat.note
-            self.add_track_to_header(header_row_number, existing_rat.track_id, note)
-            self.delete_rows([existing_rat.row_number])
-
     @log_call
     def obs_scene_change(self, row_number: int) -> None:
         """
@@ -1170,17 +1094,7 @@ class PlaylistModel(QAbstractTableModel):
         looking up the playlistrow_id and retrieving the row number from the database.
         """
 
-        # Check the track_sequence.next, current and previous plrs and
-        # update the row number
-        with db.Session() as session:
-            for ts in [
-                track_sequence.next,
-                track_sequence.current,
-                track_sequence.previous,
-            ]:
-                if ts:
-                    ts.update_playlist_and_row(session)
-            session.commit()
+        self.track_sequence.update()
 
         self.update_track_times()
 
@@ -1302,7 +1216,7 @@ class PlaylistModel(QAbstractTableModel):
 
         return len(self.playlist_rows)
 
-    def section_subtotal_header(self, rat: PlaylistRow) -> str:
+    def section_subtotal_header(self, plr: PlaylistRow) -> str:
         """
         Process this row as subtotal within a timed section and
         return display text for this row
@@ -1312,12 +1226,12 @@ class PlaylistModel(QAbstractTableModel):
         unplayed_count: int = 0
         duration: int = 0
 
-        if rat.row_number == 0:
+        if plr.row_number == 0:
             # Meaningless to have a subtotal on row 0
             return Config.SUBTOTAL_ON_ROW_ZERO
 
         # Show subtotal
-        for row_number in range(rat.row_number - 1, -1, -1):
+        for row_number in range(plr.row_number - 1, -1, -1):
             row_rat = self.playlist_rows[row_number]
             if self.is_header_row(row_number) or row_number == 0:
                 if row_rat.note.endswith(Config.SECTION_STARTS) or row_number == 0:
@@ -1330,7 +1244,7 @@ class PlaylistModel(QAbstractTableModel):
                         and (
                             row_number
                             < self.track_sequence.current.row_number
-                            < rat.row_number
+                            < plr.row_number
                         )
                     ):
                         section_end_time = (
@@ -1341,7 +1255,7 @@ class PlaylistModel(QAbstractTableModel):
                             ", section end time "
                             + section_end_time.strftime(Config.TRACK_TIME_FORMAT)
                         )
-                    clean_header = self.remove_section_timer_markers(rat.note)
+                    clean_header = self.remove_section_timer_markers(plr.note)
                     if clean_header:
                         return (
                             f"{clean_header} ["
@@ -1421,15 +1335,15 @@ class PlaylistModel(QAbstractTableModel):
             )
             return
 
-        rat = self.selected_rows[0]
-        if rat.track_id is None:
-            raise ApplicationError(f"set_next_row: no track_id ({rat=})")
+        plr = self.selected_rows[0]
+        if plr.track_id is None:
+            raise ApplicationError(f"set_next_row: no track_id ({plr=})")
 
         old_next_row: Optional[int] = None
         if self.track_sequence.next:
             old_next_row = self.track_sequence.next.row_number
 
-        self.track_sequence.set_next(rat)
+        self.track_sequence.set_next(plr)
 
         roles = [
             Qt.ItemDataRole.BackgroundRole,
@@ -1438,7 +1352,7 @@ class PlaylistModel(QAbstractTableModel):
             # only invalidate required roles
             self.invalidate_row(old_next_row, roles)
         # only invalidate required roles
-        self.invalidate_row(rat.row_number, roles)
+        self.invalidate_row(plr.row_number, roles)
 
         self.signals.next_track_changed_signal.emit()
         self.update_track_times()
@@ -1552,7 +1466,7 @@ class PlaylistModel(QAbstractTableModel):
 
         self.sort_by_attribute(row_numbers, "title")
 
-    def start_of_timed_section_header(self, rat: PlaylistRow) -> str:
+    def start_of_timed_section_header(self, plr: PlaylistRow) -> str:
         """
         Process this row as the start of a timed section and
         return display text for this row
@@ -1562,9 +1476,9 @@ class PlaylistModel(QAbstractTableModel):
         unplayed_count: int = 0
         duration: int = 0
 
-        clean_header = self.remove_section_timer_markers(rat.note)
+        clean_header = self.remove_section_timer_markers(plr.note)
 
-        for row_number in range(rat.row_number + 1, len(self.playlist_rows)):
+        for row_number in range(plr.row_number + 1, len(self.playlist_rows)):
             row_rat = self.playlist_rows[row_number]
             if self.is_header_row(row_number):
                 if row_rat.note.endswith(Config.SECTION_ENDINGS):
@@ -1588,7 +1502,7 @@ class PlaylistModel(QAbstractTableModel):
     def supportedDropActions(self) -> Qt.DropAction:
         return Qt.DropAction.MoveAction | Qt.DropAction.CopyAction
 
-    def _tooltip_role(self, row: int, column: int, rat: PlaylistRow) -> str:
+    def _tooltip_role(self, row: int, column: int, plr: PlaylistRow) -> str:
         """
         Return tooltip. Currently only used for last_played column.
         """
@@ -1659,20 +1573,20 @@ class PlaylistModel(QAbstractTableModel):
             next_track_row = self.track_sequence.next.row_number
 
         for row_number in range(row_count):
-            rat = self.playlist_rows[row_number]
+            plr = self.playlist_rows[row_number]
 
             # Don't update times for tracks that have been played, for
             # unreadable tracks or for the current track, handled above.
             if (
-                rat.played
+                plr.played
                 or row_number == current_track_row
-                or (rat.path and file_is_unreadable(rat.path))
+                or (plr.path and file_is_unreadable(plr.path))
             ):
                 continue
 
             # Reset start time if timing in header
             if self.is_header_row(row_number):
-                header_time = get_embedded_time(rat.note)
+                header_time = get_embedded_time(plr.note)
                 if header_time:
                     next_start_time = header_time
                 continue
@@ -1683,7 +1597,7 @@ class PlaylistModel(QAbstractTableModel):
                 and self.track_sequence.current
                 and self.track_sequence.current.end_time
             ):
-                next_start_time = rat.set_forecast_start_time(
+                next_start_time = plr.set_forecast_start_time(
                     update_rows, self.track_sequence.current.end_time
                 )
                 continue
@@ -1691,11 +1605,11 @@ class PlaylistModel(QAbstractTableModel):
             # If we're between the current and next row, zero out
             # times
             if (current_track_row or row_count) < row_number < (next_track_row or 0):
-                rat.set_forecast_start_time(update_rows, None)
+                plr.set_forecast_start_time(update_rows, None)
                 continue
 
             # Set start/end
-            rat.forecast_start_time = next_start_time
+            plr.forecast_start_time = next_start_time
 
         # Update start/stop times of rows that have changed
         for updated_row in update_rows:

app/playlistrow.py

@@ -110,13 +110,13 @@ class PlaylistRow:
         Adding a track_id should only happen to a header row.
         """
 
-        if self.track_id:
+        if self.track_id > 0:
             raise ApplicationError("Attempting to add track to row with existing track ({self=}")
 
         # TODO: set up write access to track_id. Should only update if
         # track_id == 0. Need to update all other track fields at the
         # same time.
-        print("set track_id attribute for {self=}, {value=}")
+        print(f"set track_id attribute for {self=}, {value=}")
         pass
 
     # Expose PlaylistRowDTO fields as properties
@@ -127,7 +127,7 @@ class PlaylistRow:
     @note.setter
     def note(self, value: str) -> None:
         # TODO set up write access to db
-        print("set note attribute for {self=}, {value=}")
+        print(f"set note attribute for {self=}, {value=}")
         # self.dto.note = value
 
     @property
@@ -137,7 +137,7 @@ class PlaylistRow:
     @played.setter
     def played(self, value: bool = True) -> None:
         # TODO set up write access to db
-        print("set played attribute for {self=}")
+        print(f"set played attribute for {self=}")
         # self.dto.played = value
 
     @property

app/playlists.py

@@ -35,7 +35,13 @@ from PyQt6.QtWidgets import (
 
 # App imports
 from audacity_controller import AudacityController
-from classes import ApplicationError, Col, MusicMusterSignals, PlaylistStyle, TrackInfo
+from classes import (
+    ApplicationError,
+    Col,
+    MusicMusterSignals,
+    PlaylistStyle,
+    TrackInfo
+)
 from config import Config
 from dialogs import TrackInsertDialog
 from helpers import (
@@ -48,6 +54,7 @@ from log import log, log_call
 from models import db, Settings
 from playlistrow import TrackSequence
 from playlistmodel import PlaylistModel, PlaylistProxyModel
+import repository
 
 if TYPE_CHECKING:
     from musicmuster import Window
@@ -513,18 +520,12 @@ class PlaylistTab(QTableView):
     def _add_track(self) -> None:
         """Add a track to a section header making it a normal track row"""
 
-        model_row_number = self.source_model_selected_row_number()
-        if model_row_number is None:
-            return
-
-        with db.Session() as session:
-            dlg = TrackInsertDialog(
-                parent=self.musicmuster,
-                playlist_id=self.playlist_id,
-                add_to_header=True,
-            )
-            dlg.exec()
-            session.commit()
+        dlg = TrackInsertDialog(
+            parent=self.musicmuster,
+            playlist_id=self.playlist_id,
+            add_to_header=True,
+        )
+        dlg.exec()
 
     def _build_context_menu(self, item: QTableWidgetItem) -> None:
         """Used to process context (right-click) menu, which is defined here"""
@@ -685,11 +686,10 @@ class PlaylistTab(QTableView):
         # Resize rows if necessary
         self.resizeRowsToContents()
 
-        with db.Session() as session:
-            attr_name = f"playlist_col_{column_number}_width"
-            record = Settings.get_setting(session, attr_name)
-            record.f_int = self.columnWidth(column_number)
-            session.commit()
+        # Save settings
+        repository.set_setting(
+            f"playlist_col_{column_number}_width", self.columnWidth(column_number)
+        )
 
     def _context_menu(self, pos):
         """Display right-click menu"""
@@ -1063,14 +1063,13 @@ class PlaylistTab(QTableView):
             return
 
         # Last column is set to stretch so ignore it here
-        with db.Session() as session:
-            for column_number in range(header.count() - 1):
-                attr_name = f"playlist_col_{column_number}_width"
-                record = Settings.get_setting(session, attr_name)
-                if record.f_int is not None:
-                    self.setColumnWidth(column_number, record.f_int)
-                else:
-                    self.setColumnWidth(column_number, Config.DEFAULT_COLUMN_WIDTH)
+        for column_number in range(header.count() - 1):
+            attr_name = f"playlist_col_{column_number}_width"
+            value = repository.get_setting(attr_name)
+            if value is not None:
+                self.setColumnWidth(column_number, value)
+            else:
+                self.setColumnWidth(column_number, Config.DEFAULT_COLUMN_WIDTH)
 
     def set_row_as_next_track(self) -> None:
         """

app/querylistmodel.py

@@ -136,7 +136,7 @@ class QuerylistModel(QAbstractTableModel):
 
         row = index.row()
         column = index.column()
-        # rat for playlist row data as it's used a lot
+        # plr for playlist row data as it's used a lot
         qrow = self.querylist_rows[row]
 
         # Dispatch to role-specific functions
@@ -268,7 +268,7 @@ class QuerylistModel(QAbstractTableModel):
         bottom_right = self.index(row, self.columnCount() - 1)
         self.dataChanged.emit(top_left, bottom_right, [Qt.ItemDataRole.BackgroundRole])
 
-    def _tooltip_role(self, row: int, column: int, rat: PlaylistRow) -> str | QVariant:
+    def _tooltip_role(self, row: int, column: int, plr: PlaylistRow) -> str | QVariant:
         """
         Return tooltip. Currently only used for last_played column.
         """

app/repository.py

@@ -238,6 +238,24 @@ def _tracks_where(where: BinaryExpression | ColumnElement[bool]) -> list[TrackDT
     return results
 
 
+def track_with_path(path: str) -> bool:
+    """
+    Return True if a track with passed path exists, else False
+    """
+
+    with db.Session() as session:
+        track = (
+            session.execute(
+                select(Tracks)
+                .where(Tracks.path == path)
+            )
+            .scalars()
+            .one_or_none()
+        )
+
+    return track is not None
+
+
 def tracks_like_artist(filter_str: str) -> list[TrackDTO]:
     """
     Return tracks where artist is like filter
@@ -399,6 +417,15 @@ def move_rows(
             _check_playlist_integrity(session, to_playlist_id, fix=False)
 
 
+def update_playdates(track_id: int) -> None:
+    """
+    Update playdates for passed track
+    """
+
+    with db.Session() as session:
+        _ = Playdates(session, track_id)
+
+
 def update_row_numbers(
     playlist_id: int, id_to_row_number: list[dict[int, int]]
 ) -> None:
@@ -527,7 +554,7 @@ def get_playlist_row(playlistrow_id: int) -> PlaylistRowDTO | None:
 
 
 def get_playlist_rows(
-    playlist_id: int, check_playlist_itegrity=True
+    playlist_id: int, check_playlist_itegrity: bool = True
 ) -> list[PlaylistRowDTO]:
     # Alias PlaydatesTable for subquery
     LatestPlaydate = aliased(Playdates)
@@ -724,7 +751,7 @@ def get_setting(name: str) -> int | None:
     with db.Session() as session:
         record = session.execute(
             select(Settings).where(Settings.name == name)
-        ).one_or_none()
+        ).scalars().one_or_none()
         if not record:
             return None
 
@@ -739,7 +766,7 @@ def set_setting(name: str, value: int) -> None:
     with db.Session() as session:
         record = session.execute(
             select(Settings).where(Settings.name == name)
-        ).one_or_none()
+        ).scalars().one_or_none()
         if not record:
             record = Settings(session=session, name=name)
             if not record: