Export playlist working

app/models.py

@@ -249,13 +249,20 @@ class Playdates(Base):
             return last_played[0]
         else:
             return None
-#
-#     @staticmethod
-#     def played_after(session: Session, since: datetime) -> List["Playdates"]:
-#         """Return a list of Playdates objects since passed time"""
-#
-#         return session.query(Playdates).filter(
-#             Playdates.lastplayed >= since).all()
+
+    @staticmethod
+    def played_after(session: Session, since: datetime) -> List["Playdates"]:
+        """Return a list of Playdates objects since passed time"""
+
+        return (
+            session.execute(
+                select(Playdates)
+                .where(Playdates.lastplayed >= since)
+                .order_by(Playdates.lastplayed)
+            )
+            .scalars()
+            .all()
+        )
 #
 #     @staticmethod
 #     def remove_track(session: Session, track_id: int) -> None:
@@ -289,7 +296,6 @@ class Playlists(Base):
     def __repr__(self) -> str:
         return f"<Playlists(id={self.id}, name={self.name}>"
 
-
 #
 #     def __init__(self, session: Session, name: str) -> None:
 #         self.name = name
@@ -308,13 +314,11 @@ class Playlists(Base):
 #             row = self.next_free_row(session, self.id)
 #
 #         xPlaylistTracks(session, self.id, track_id, row)
-#
-#     def close(self, session: Session) -> None:
-#         """Record playlist as no longer loaded"""
-#
-#         self.loaded = False
-#         session.add(self)
-#         session.flush()
+
+    def close(self, session: Session) -> None:
+        """Mark playlist as unloaded"""
+
+        self.loaded = False
 
     @classmethod
     def get_all(cls, session: Session) -> List["Playlists"]:
@@ -506,40 +510,40 @@ class PlaylistRows(Base):
         # Ensure new row numbers are available to the caller
         session.commit()
 
-    @staticmethod
-    def get_played_rows(session: Session,
+    @classmethod
+    def get_played_rows(cls, session: Session,
                         playlist_id: int) -> List[int]:
         """
-        For passed playlist, return a list of row numbers that
+        For passed playlist, return a list of rows that
         have been played.
         """
 
         plrs = session.execute(
-            select(PlaylistRows.row_number)
+            select(cls)
             .where(
-                PlaylistRows.playlist_id == playlist_id,
-                PlaylistRows.played.is_(True)
+                cls.playlist_id == playlist_id,
+                cls.played.is_(True)
             )
-            .order_by(PlaylistRows.row_number)
+            .order_by(cls.row_number)
         ).scalars().all()
 
         return plrs
 
-    @staticmethod
-    def get_rows_with_tracks(session: Session,
+    @classmethod
+    def get_rows_with_tracks(cls, session: Session,
                              playlist_id: int) -> List[int]:
         """
-        For passed playlist, return a list of all row numbers that
+        For passed playlist, return a list of rows that
         contain tracks
         """
 
         plrs = session.execute(
-            select(PlaylistRows.row_number)
+            select(cls)
             .where(
-                PlaylistRows.playlist_id == playlist_id,
-                PlaylistRows.track_id.is_not(None)
+                cls.playlist_id == playlist_id,
+                cls.track_id.is_not(None)
             )
-            .order_by(PlaylistRows.row_number)
+            .order_by(cls.row_number)
         ).scalars().all()
 
         return plrs

app/musicmuster.py

@@ -7,14 +7,13 @@ import sys
 
 from datetime import datetime, timedelta
 # from typing import Callable, Dict, List, Optional, Tuple
-#
-# from PyQt5.QtCore import QDate, QProcess, Qt, QTime, QTimer, QUrl
-from PyQt5.QtCore import QEvent, Qt, QTimer
+
+from PyQt5.QtCore import QDate, QEvent, Qt, QTime, QTimer
 from PyQt5.QtGui import QColor
 from PyQt5.QtWidgets import (
     QApplication,
     QDialog,
-    #     QFileDialog,
+    QFileDialog,
     #     QInputDialog,
     QLabel,
     #     QLineEdit,
@@ -39,7 +38,7 @@ from playlists import PlaylistTab
 from sqlalchemy.orm.exc import DetachedInstanceError
 # from ui.dlg_search_database_ui import Ui_Dialog
 from ui.dlg_SelectPlaylist_ui import Ui_dlgSelectPlaylist   # type: ignore
-# from ui.downloadcsv_ui import Ui_DateSelect
+from ui.downloadcsv_ui import Ui_DateSelect                 # type: ignore
 from config import Config
 from ui.main_window_ui import Ui_MainWindow                 # type: ignore
 # from utilities import create_track_from_file, update_db
@@ -170,12 +169,13 @@ class Window(QMainWindow, Ui_MainWindow):
     def connect_signals_slots(self) -> None:
         # self.actionAdd_note.triggered.connect(self.create_note)
         self.action_Clear_selection.triggered.connect(self.clear_selection)
-#         self.actionClosePlaylist.triggered.connect(self.close_playlist_tab)
-#         self.actionDownload_CSV_of_played_tracks.triggered.connect(
-#             self.download_played_tracks)
+        self.actionClosePlaylist.triggered.connect(self.close_playlist_tab)
+        self.actionDownload_CSV_of_played_tracks.triggered.connect(
+            self.download_played_tracks)
         self.actionEnable_controls.triggered.connect(
             self.enable_play_next_controls)
-#         self.actionExport_playlist.triggered.connect(self.export_playlist_tab)
+        self.actionExport_playlist.triggered.connect(self.export_playlist_tab)
+        # ***kae
 #         self.actionImport.triggered.connect(self.import_track)
         self.actionFade.triggered.connect(self.fade)
 #         self.actionMoveSelected.triggered.connect(self.move_selected)
@@ -198,7 +198,7 @@ class Window(QMainWindow, Ui_MainWindow):
 #         self.btnHidePlayed.clicked.connect(self.hide_played)
         self.btnFade.clicked.connect(self.fade)
         self.btnStop.clicked.connect(self.stop)
-#         self.tabPlaylist.tabCloseRequested.connect(self.close_tab)
+        self.tabPlaylist.tabCloseRequested.connect(self.close_tab)
 #         self.txtSearch.returnPressed.connect(self.search_playlist_return)
 #         self.txtSearch.textChanged.connect(self.search_playlist_update)
 #
@@ -216,32 +216,36 @@ class Window(QMainWindow, Ui_MainWindow):
 #             with Session() as session:
 #                 playlist = Playlists(session, dlg.textValue())
 #                 self.create_playlist_tab(session, playlist)
-#
-#     def close_playlist_tab(self) -> None:
-#         """Close active playlist tab"""
-#
-#         self.close_tab(self.tabPlaylist.currentIndex())
-#
-#     def close_tab(self, index: int) -> None:
-#         """
-#         Close tab unless it holds the curren or next track
-#         """
-#
-#         if hasattr(self.tabPlaylist.widget(index), 'playlist_id'):
-#             if self.tabPlaylist.widget(index) == (
-#                     self.current_track_playlist_tab):
-#                 self.statusbar.showMessage(
-#                     "Can't close current track playlist", 5000)
-#                 return
-#             if self.tabPlaylist.widget(index) == self.next_track_playlist_tab:
-#                 self.statusbar.showMessage(
-#                     "Can't close next track playlist", 5000)
-#                 return
-#             # It's OK to close this playlist so remove from open playlist list
-#             self.tabPlaylist.widget(index).close()
-#
-#         # Close regardless of tab type
-#         self.tabPlaylist.removeTab(index)
+
+    def close_playlist_tab(self) -> None:
+        """
+        Close active playlist tab, called by menu item
+        """
+
+        self.close_tab(self.tabPlaylist.currentIndex())
+
+    def close_tab(self, tab_index: int) -> None:
+        """
+        Close active playlist tab unless it holds the curren or next track.
+        Called from close_playlist_tab() or by clicking close button on tab.
+        """
+
+        # Don't close current track playlist
+        if self.tabPlaylist.widget(tab_index) == (
+                self.current_track_playlist_tab):
+            self.statusbar.showMessage(
+                "Can't close current track playlist", 5000)
+            return
+
+        # Don't close next track playlist
+        if self.tabPlaylist.widget(tab_index) == self.next_track_playlist_tab:
+            self.statusbar.showMessage(
+                "Can't close next track playlist", 5000)
+            return
+
+        # Close playlist and remove tab
+        self.tabPlaylist.widget(tab_index).close()
+        self.tabPlaylist.removeTab(tab_index)
 #
 #     def create_note(self) -> None:
 #         """Call playlist to create note"""
@@ -271,32 +275,32 @@ class Window(QMainWindow, Ui_MainWindow):
 
         self.actionPlay_next.setEnabled(False)
         self.statusbar.showMessage("Play controls: Disabled", 0)
-#
-#     def download_played_tracks(self) -> None:
-#         """Download a CSV of played tracks"""
-#
-#         dlg = DownloadCSV(self)
-#         if dlg.exec():
-#             start_dt = dlg.ui.dateTimeEdit.dateTime().toPyDateTime()
-#             # Get output filename
-#             pathspec: Tuple[str, str] = QFileDialog.getSaveFileName(
-#                 self, 'Save CSV of tracks played',
-#                 directory="/tmp/playlist.csv",
-#                 filter="CSV files (*.csv)"
-#             )
-#             if not pathspec:
-#                 return
-#
-#             path: str = pathspec[0]
-#             if not path.endswith(".csv"):
-#                 path += ".csv"
-#
-#             with open(path, "w") as f:
-#                 with Session() as session:
-#                     for playdate in Playdates.played_after(session, start_dt):
-#                         f.write(
-#                             f"{playdate.track.artist},{playdate.track.title}\n"
-#                         )
+
+    def download_played_tracks(self) -> None:
+        """Download a CSV of played tracks"""
+
+        dlg = DownloadCSV(self)
+        if dlg.exec():
+            start_dt = dlg.ui.dateTimeEdit.dateTime().toPyDateTime()
+            # Get output filename
+            pathspec = QFileDialog.getSaveFileName(
+                self, 'Save CSV of tracks played',
+                directory="/tmp/playlist.csv",
+                filter="CSV files (*.csv)"
+            )
+            if not pathspec:
+                return
+
+            path = pathspec[0]
+            if not path.endswith(".csv"):
+                path += ".csv"
+
+            with open(path, "w") as f:
+                with Session() as session:
+                    for playdate in Playdates.played_after(session, start_dt):
+                        f.write(
+                            f"{playdate.track.artist},{playdate.track.title}\n"
+                        )
 #
 #     def drop3db(self) -> None:
 #         """Drop music level by 3db if button checked"""
@@ -360,42 +364,45 @@ class Window(QMainWindow, Ui_MainWindow):
 
         # Enable controls
         self.enable_play_next_controls()
-#
-#     def export_playlist_tab(self) -> None:
-#         """Export the current playlist to an m3u file"""
-#
-#         if not self.visible_playlist_tab():
-#             return
-#
-#         with Session() as session:
-#             playlist = Playlists.get_by_id(
-#                 session, self.visible_playlist_tab().playlist_id)
-#             # Get output filename
-#             pathspec: Tuple[str, str] = QFileDialog.getSaveFileName(
-#                 self, 'Save Playlist',
-#                 directory=f"{playlist.name}.m3u",
-#                 filter="M3U files (*.m3u);;All files (*.*)"
-#             )
-#             if not pathspec:
-#                 return
-#
-#             path: str = pathspec[0]
-#             if not path.endswith(".m3u"):
-#                 path += ".m3u"
-#
-#             with open(path, "w") as f:
-#                 # Required directive on first line
-#                 f.write("#EXTM3U\n")
-#                 for _, track in playlist.tracks.items():
-#                     f.write(
-#                         "#EXTINF:"
-#                         f"{int(track.duration / 1000)},"
-#                         f"{track.title} - "
-#                         f"{track.artist}"
-#                         "\n"
-#                         f"{track.path}"
-#                         "\n"
-#                     )
+
+    def export_playlist_tab(self) -> None:
+        """Export the current playlist to an m3u file"""
+
+        if not self.visible_playlist_tab():
+            return
+
+        playlist_id = self.visible_playlist_tab().playlist_id
+
+        with Session() as session:
+
+            # Get output filename
+            playlist = session.get(Playlists, playlist_id)
+            pathspec = QFileDialog.getSaveFileName(
+                self, 'Save Playlist',
+                directory=f"{playlist.name}.m3u",
+                filter="M3U files (*.m3u);;All files (*.*)"
+            )
+            if not pathspec:
+                return
+            path = pathspec[0]
+            if not path.endswith(".m3u"):
+                path += ".m3u"
+
+            # Get list of track rows for this playlist
+            plrs = PlaylistRows.get_rows_with_tracks(session, playlist_id)
+            with open(path, "w") as f:
+                # Required directive on first line
+                f.write("#EXTM3U\n")
+                for track in [a.track for a in plrs]:
+                    f.write(
+                        "#EXTINF:"
+                        f"{int(track.duration / 1000)},"
+                        f"{track.title} - "
+                        f"{track.artist}"
+                        "\n"
+                        f"{track.path}"
+                        "\n"
+                    )
 
     def fade(self) -> None:
         """Fade currently playing track"""
@@ -970,18 +977,18 @@ class Window(QMainWindow, Ui_MainWindow):
 #         item = self.ui.matchList.currentItem()
 #         track = item.data(Qt.UserRole)
 #         self.ui.dbPath.setText(track.path)
-#
-#
-# class DownloadCSV(QDialog):
-#     def __init__(self, parent=None):
-#         super().__init__(parent)
-#
-#         self.ui = Ui_DateSelect()
-#         self.ui.setupUi(self)
-#         self.ui.dateTimeEdit.setDate(QDate.currentDate())
-#         self.ui.dateTimeEdit.setTime(QTime(19, 59, 0))
-#         self.ui.buttonBox.accepted.connect(self.accept)
-#         self.ui.buttonBox.rejected.connect(self.reject)
+
+
+class DownloadCSV(QDialog):
+    def __init__(self, parent=None):
+        super().__init__(parent)
+
+        self.ui = Ui_DateSelect()
+        self.ui.setupUi(self)
+        self.ui.dateTimeEdit.setDate(QDate.currentDate())
+        self.ui.dateTimeEdit.setTime(QTime(19, 59, 0))
+        self.ui.buttonBox.accepted.connect(self.accept)
+        self.ui.buttonBox.rejected.connect(self.reject)
 
 
 class SelectPlaylistDialog(QDialog):

app/playlists.py

@@ -349,23 +349,15 @@ class PlaylistTab(QTableWidget):
 
         return [self._get_playlistrow_id(a) for a in self._selected_rows()]
 
-#     def closeEvent(self, event) -> None:
-#         """Save column widths"""
-#
-#         log.debug(f"playlists.closeEvent()")
-#         with Session() as session:
-#             for column in range(self.columnCount()):
-#                 width = self.columnWidth(column)
-#                 name = f"playlist_col_{str(column)}_width"
-#                 record = Settings.get_int_settings(session, name)
-#                 if record.f_int != self.columnWidth(column):
-#                     record.update(session, {'f_int': width})
-#
-#             # Record playlist as closed
-#             playlist = Playlists.get_by_id(session, self.playlist_id)
-#             playlist.close(session)
-#
-#         event.accept()
+    def closeEvent(self, event) -> None:
+        """Handle closing playist tab"""
+
+        with Session() as session:
+            # Record playlist as closed
+            playlist = session.get(Playlists, self.playlist_id)
+            playlist.close(session)
+
+        event.accept()
 
     def clear_next(self, session) -> None:
         """Clear next track marker"""
@@ -930,7 +922,10 @@ class PlaylistTab(QTableWidget):
 
         current_row: Optional[int] = self._get_current_track_row()
         next_row: Optional[int] = self._get_next_track_row()
-        played = PlaylistRows.get_played_rows(session, self.playlist_id)
+        played = [
+            p.row_number for p in PlaylistRows.get_played_rows(
+                session, self.playlist_id)
+        ]
         unreadable: List[int] = self._get_unreadable_track_rows()
 
         if self.row_filter:
@@ -1344,9 +1339,14 @@ class PlaylistTab(QTableWidget):
         if starting_row is None:
             starting_row = 0
 
-        track_rows = PlaylistRows.get_rows_with_tracks(session,
-                                                       self.playlist_id)
-        played_rows = PlaylistRows.get_played_rows(session, self.playlist_id)
+        track_rows = [
+            p.row_number for p in PlaylistRows.get_rows_with_tracks(
+                session, self.playlist_id)
+        ]
+        played_rows = [
+            p.row_number for p in PlaylistRows.get_played_rows(
+                session, self.playlist_id)
+        ]
         for row in range(starting_row, self.rowCount()):
             if row not in track_rows or row in played_rows:
                 continue