1845 lines
64 KiB
Python
1845 lines
64 KiB
Python
# Standard library imports
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from __future__ import annotations
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from operator import attrgetter
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from random import shuffle
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from typing import cast, Optional
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import datetime as dt
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import re
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# PyQt imports
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from PyQt6.QtCore import (
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QAbstractTableModel,
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QModelIndex,
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QRegularExpression,
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QSortFilterProxyModel,
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Qt,
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QTimer,
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QVariant,
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)
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from PyQt6.QtGui import (
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QBrush,
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QColor,
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QFont,
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)
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# Third party imports
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# import line_profiler
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from sqlalchemy.orm.session import Session
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import obswebsocket # type: ignore
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# import snoop # type: ignore
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# App imports
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from classes import (
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ApplicationError,
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Col,
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MusicMusterSignals,
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)
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from config import Config
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from helpers import (
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ask_yes_no,
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file_is_unreadable,
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get_embedded_time,
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get_relative_date,
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ms_to_mmss,
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remove_substring_case_insensitive,
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set_track_metadata,
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)
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from log import log, log_call
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from models import db, NoteColours, Playdates, PlaylistRows, Tracks
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from music_manager import RowAndTrack, track_sequence
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HEADER_NOTES_COLUMN = 1
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scene_change_re = re.compile(r"SetScene=\[([^[\]]*)\]")
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class PlaylistModel(QAbstractTableModel):
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"""
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The Playlist Model
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Update strategy: update the database and then refresh the
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row-indexed cached copy (self.playlist_rows). Do not edit
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self.playlist_rows directly because keeping it and the
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database in sync is uncessarily challenging.
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refresh_row() will populate one row of playlist_rows from the
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database
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refresh_data() will repopulate all of playlist_rows from the
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database.
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"""
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def __init__(
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self,
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playlist_id: int,
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is_template: bool,
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) -> None:
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super().__init__()
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log.debug("PlaylistModel.__init__()")
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self.playlist_id = playlist_id
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self.is_template = is_template
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self.playlist_rows: dict[int, RowAndTrack] = {}
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self.signals = MusicMusterSignals()
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self.played_tracks_hidden = False
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self.signals.begin_reset_model_signal.connect(self.begin_reset_model)
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self.signals.end_reset_model_signal.connect(self.end_reset_model)
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with db.Session() as session:
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# Ensure row numbers in playlist are contiguous
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PlaylistRows.fixup_rownumbers(session, playlist_id)
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# Populate self.playlist_rows
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self.load_data(session)
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self.update_track_times()
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def __repr__(self) -> str:
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return (
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f"<PlaylistModel: playlist_id={self.playlist_id}, "
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f"is_template={self.is_template}, "
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f"{self.rowCount()} rows>"
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)
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def active_section_header(self) -> int:
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"""
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Return the row number of the first header that has any of the following below it:
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- unplayed tracks
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- the currently being played track
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- the track marked as next to play
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"""
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header_row = 0
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for row_number in range(len(self.playlist_rows)):
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if self.is_header_row(row_number):
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header_row = row_number
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continue
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if not self.is_played_row(row_number):
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break
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# Here means that row_number points to a played track. The
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# current track will be marked as played when we start
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# playing it. It's also possible that the track marked as
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# next has already been played. Check for either of those.
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for ts in [track_sequence.next, track_sequence.current]:
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if (
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ts
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and ts.row_number == row_number
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and ts.playlist_id == self.playlist_id
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):
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# We've found the current or next track, so return
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# the last-found header row
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return header_row
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return header_row
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def add_track_to_header(
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self, row_number: int, track_id: int, note: Optional[str] = None
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) -> None:
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"""
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Add track to existing header row
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"""
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log.debug(f"{self}: add_track_to_header({row_number=}, {track_id=}, {note=}")
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# Get existing row
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try:
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rat = self.playlist_rows[row_number]
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except KeyError:
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raise ApplicationError(
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f"{self}: KeyError in add_track_to_header ({row_number=}, {track_id=})"
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)
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if rat.path:
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raise ApplicationError(
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f"{self}: Header row already has track associated ({rat=}, {track_id=})"
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)
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with db.Session() as session:
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playlistrow = session.get(PlaylistRows, rat.playlistrow_id)
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if not playlistrow:
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raise ApplicationError(
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f"{self}: Failed to retrieve playlist row ({rat.playlistrow_id=}"
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)
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# Add track to PlaylistRows
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playlistrow.track_id = track_id
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# Add any further note (header will already have a note)
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if note:
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playlistrow.note += " " + note
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session.commit()
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# Update local copy
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self.refresh_row(session, row_number)
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# Repaint row
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roles = [
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Qt.ItemDataRole.BackgroundRole,
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Qt.ItemDataRole.DisplayRole,
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Qt.ItemDataRole.FontRole,
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Qt.ItemDataRole.ForegroundRole,
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]
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# only invalidate required roles
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self.invalidate_row(row_number, roles)
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self.signals.resize_rows_signal.emit(self.playlist_id)
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def _background_role(self, row: int, column: int, rat: RowAndTrack) -> QBrush:
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"""Return background setting"""
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# Handle entire row colouring
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# Header row
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if self.is_header_row(row):
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# Check for specific header colouring
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if rat.row_bg is None:
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with db.Session() as session:
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rat.row_bg = NoteColours.get_colour(session, rat.note)
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if rat.row_bg:
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return QBrush(QColor(rat.row_bg))
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else:
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return QBrush(QColor(Config.COLOUR_NOTES_PLAYLIST))
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# Unreadable track file
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if file_is_unreadable(rat.path):
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return QBrush(QColor(Config.COLOUR_UNREADABLE))
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# Current track
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if (
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track_sequence.current
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and track_sequence.current.playlist_id == self.playlist_id
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and track_sequence.current.row_number == row
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):
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return QBrush(QColor(Config.COLOUR_CURRENT_PLAYLIST))
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# Next track
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if (
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track_sequence.next
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and track_sequence.next.playlist_id == self.playlist_id
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and track_sequence.next.row_number == row
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):
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return QBrush(QColor(Config.COLOUR_NEXT_PLAYLIST))
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# Individual cell colouring
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if column == Col.START_GAP.value:
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if rat.start_gap and rat.start_gap >= Config.START_GAP_WARNING_THRESHOLD:
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return QBrush(QColor(Config.COLOUR_LONG_START))
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if column == Col.BITRATE.value:
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if not rat.bitrate or rat.bitrate < Config.BITRATE_LOW_THRESHOLD:
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return QBrush(QColor(Config.COLOUR_BITRATE_LOW))
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elif rat.bitrate < Config.BITRATE_OK_THRESHOLD:
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return QBrush(QColor(Config.COLOUR_BITRATE_MEDIUM))
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else:
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return QBrush(QColor(Config.COLOUR_BITRATE_OK))
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if column == Col.NOTE.value:
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if rat.note:
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if rat.note_bg is None:
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with db.Session() as session:
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rat.note_bg = NoteColours.get_colour(session, rat.note)
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if rat.note_bg:
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return QBrush(QColor(rat.note_bg))
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return QBrush()
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def begin_reset_model(self, playlist_id: int) -> None:
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"""
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Reset model if playlist_id is ours
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"""
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if playlist_id != self.playlist_id:
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return
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super().beginResetModel()
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def columnCount(self, parent: QModelIndex = QModelIndex()) -> int:
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"""Standard function for view"""
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return len(Col)
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def current_track_started(self) -> None:
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"""
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Notification from musicmuster that the current track has just
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started playing
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Actions required:
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- sanity check
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- change OBS scene if needed
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- update Playdates in database
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- update PlaylistRows in database
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- update display
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- find next track
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- update track times
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"""
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log.debug(f"{self}: current_track_started()")
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if not track_sequence.current:
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return
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row_number = track_sequence.current.row_number
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# Check for OBS scene change
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self.obs_scene_change(row_number)
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# Sanity check that we have a track_id
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track_id = track_sequence.current.track_id
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if not track_id:
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raise ApplicationError(
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f"{self}: current_track_started() called with {track_id=}"
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)
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with db.Session() as session:
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# Update Playdates in database
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log.debug(f"{self}: update playdates {track_id=}")
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Playdates(session, track_id)
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# Mark track as played in playlist
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log.debug(f"{self}: Mark track as played")
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plr = session.get(PlaylistRows, track_sequence.current.playlistrow_id)
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if plr:
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plr.played = True
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self.refresh_row(session, plr.row_number)
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else:
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log.error(
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f"{self}: Can't retrieve plr, "
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f"{track_sequence.current.playlistrow_id=}"
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)
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session.commit()
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# Update colour and times for current row
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# only invalidate required roles
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roles = [
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Qt.ItemDataRole.DisplayRole
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]
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self.invalidate_row(row_number, roles)
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# Update previous row in case we're hiding played rows
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if track_sequence.previous and track_sequence.previous.row_number:
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# only invalidate required roles
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self.invalidate_row(track_sequence.previous.row_number, roles)
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# Find next track
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next_row = None
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unplayed_rows = [
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a
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for a in self.get_unplayed_rows()
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if not self.is_header_row(a)
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and not file_is_unreadable(self.playlist_rows[a].path)
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]
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if unplayed_rows:
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try:
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next_row = min([a for a in unplayed_rows if a > row_number])
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except ValueError:
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next_row = min(unplayed_rows)
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if next_row is not None:
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self.set_next_row(next_row)
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else:
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# set_next_row() calls update_track_times(); else we call it
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self.update_track_times()
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def data(
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self, index: QModelIndex, role: int = Qt.ItemDataRole.DisplayRole
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) -> QVariant | QFont | QBrush | str | int:
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"""Return data to view"""
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if (
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not index.isValid()
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or not (0 <= index.row() < len(self.playlist_rows))
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or role
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in [
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Qt.ItemDataRole.DecorationRole,
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Qt.ItemDataRole.StatusTipRole,
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Qt.ItemDataRole.WhatsThisRole,
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Qt.ItemDataRole.SizeHintRole,
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Qt.ItemDataRole.TextAlignmentRole,
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Qt.ItemDataRole.CheckStateRole,
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Qt.ItemDataRole.InitialSortOrderRole,
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]
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):
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return QVariant()
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row = index.row()
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column = index.column()
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# rat for playlist row data as it's used a lot
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rat = self.playlist_rows[row]
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# These are ordered in approximately the frequency with which
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# they are called
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if role == Qt.ItemDataRole.BackgroundRole:
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return self._background_role(row, column, rat)
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elif role == Qt.ItemDataRole.DisplayRole:
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return self._display_role(row, column, rat)
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elif role == Qt.ItemDataRole.EditRole:
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return self._edit_role(row, column, rat)
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elif role == Qt.ItemDataRole.FontRole:
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return self._font_role(row, column, rat)
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elif role == Qt.ItemDataRole.ForegroundRole:
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return self._foreground_role(row, column, rat)
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elif role == Qt.ItemDataRole.ToolTipRole:
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return self._tooltip_role(row, column, rat)
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return QVariant()
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def delete_rows(self, row_numbers: list[int]) -> None:
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"""
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Delete passed rows from model
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Need to delete them in contiguous groups wrapped in beginRemoveRows / endRemoveRows
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calls. To keep it simple, if inefficient, delete rows one by one.
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TODO: delete in blocks
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Delete from highest row back so that not yet deleted row numbers don't change.
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"""
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with db.Session() as session:
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for row_number in sorted(row_numbers, reverse=True):
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log.debug(f"{self}: delete_rows(), {row_number=}")
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super().beginRemoveRows(QModelIndex(), row_number, row_number)
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# We need to remove data from the underlying data store,
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# which is the database, but we cache in
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# self.playlist_rows, which is what calls to data()
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# reads, so fixup that too.
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PlaylistRows.delete_row(session, self.playlist_id, row_number)
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PlaylistRows.fixup_rownumbers(session, self.playlist_id)
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self.refresh_data(session)
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session.commit()
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super().endRemoveRows()
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self.reset_track_sequence_row_numbers()
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self.update_track_times()
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def _display_role(self, row: int, column: int, rat: RowAndTrack) -> str:
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"""
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Return text for display
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"""
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header_row = self.is_header_row(row)
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# Set / reset column span
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if column == HEADER_NOTES_COLUMN:
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column_span = 1
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if header_row:
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column_span = self.columnCount() - 1
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self.signals.span_cells_signal.emit(
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self.playlist_id, row, HEADER_NOTES_COLUMN, 1, column_span
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)
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if header_row:
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if column == HEADER_NOTES_COLUMN:
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header_text = self.header_text(rat)
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if not header_text:
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return Config.SECTION_HEADER
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else:
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formatted_header = self.header_text(rat)
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trimmed_header = self.remove_section_timer_markers(formatted_header)
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return trimmed_header
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else:
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return ""
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if column == Col.START_TIME.value:
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start_time = rat.forecast_start_time
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if start_time:
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return start_time.strftime(Config.TRACK_TIME_FORMAT)
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return ""
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if column == Col.END_TIME.value:
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end_time = rat.forecast_end_time
|
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if end_time:
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return end_time.strftime(Config.TRACK_TIME_FORMAT)
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return ""
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if column == Col.INTRO.value:
|
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if rat.intro:
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return f"{rat.intro / 1000:{Config.INTRO_SECONDS_FORMAT}}"
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else:
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return ""
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dispatch_table: dict[int, str] = {
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Col.ARTIST.value: rat.artist,
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Col.BITRATE.value: str(rat.bitrate),
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Col.DURATION.value: ms_to_mmss(rat.duration),
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Col.LAST_PLAYED.value: get_relative_date(rat.lastplayed),
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Col.NOTE.value: rat.note,
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Col.START_GAP.value: str(rat.start_gap),
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Col.TITLE.value: rat.title,
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}
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if column in dispatch_table:
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return dispatch_table[column]
|
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return ""
|
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|
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def end_reset_model(self, playlist_id: int) -> None:
|
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"""
|
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End model reset if this is our playlist
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"""
|
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|
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log.debug(f"{self}: end_reset_model({playlist_id=})")
|
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|
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if playlist_id != self.playlist_id:
|
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log.debug(f"{self}: end_reset_model: not us ({self.playlist_id=})")
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return
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with db.Session() as session:
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self.refresh_data(session)
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super().endResetModel()
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self.reset_track_sequence_row_numbers()
|
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|
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def _edit_role(self, row: int, column: int, rat: RowAndTrack) -> str | int:
|
|
"""
|
|
Return value for editing
|
|
"""
|
|
|
|
# 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:
|
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return rat.note
|
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|
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if column == Col.INTRO.value:
|
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return rat.intro or 0
|
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if column == Col.TITLE.value:
|
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return rat.title
|
|
if column == Col.ARTIST.value:
|
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return rat.artist
|
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if column == Col.NOTE.value:
|
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return rat.note
|
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|
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return ""
|
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|
|
def _foreground_role(self, row: int, column: int, rat: RowAndTrack) -> QBrush:
|
|
"""Return header foreground colour or QBrush() if none"""
|
|
|
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if self.is_header_row(row):
|
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if rat.row_fg is None:
|
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with db.Session() as session:
|
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rat.row_fg = NoteColours.get_colour(
|
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session, rat.note, foreground=True
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)
|
|
if rat.row_fg:
|
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return QBrush(QColor(rat.row_fg))
|
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|
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return QBrush()
|
|
|
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def flags(self, index: QModelIndex) -> Qt.ItemFlag:
|
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"""
|
|
Standard model flags
|
|
"""
|
|
|
|
if not index.isValid():
|
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return Qt.ItemFlag.ItemIsDropEnabled
|
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|
|
default = (
|
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Qt.ItemFlag.ItemIsEnabled
|
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| Qt.ItemFlag.ItemIsSelectable
|
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| Qt.ItemFlag.ItemIsDragEnabled
|
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)
|
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if index.column() in [
|
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Col.TITLE.value,
|
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Col.ARTIST.value,
|
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Col.NOTE.value,
|
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Col.INTRO.value,
|
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]:
|
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return default | Qt.ItemFlag.ItemIsEditable
|
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|
|
return default
|
|
|
|
def _font_role(self, row: int, column: int, rat: RowAndTrack) -> QFont:
|
|
"""
|
|
Return font
|
|
"""
|
|
|
|
# Notes column is never bold
|
|
if column == Col.NOTE.value:
|
|
return QFont()
|
|
|
|
boldfont = QFont()
|
|
boldfont.setBold(not self.playlist_rows[row].played)
|
|
|
|
return boldfont
|
|
|
|
def get_duplicate_rows(self) -> list[int]:
|
|
"""
|
|
Return a list of duplicate rows. If track appears in rows 2, 3 and 4, return [3, 4]
|
|
(ie, ignore the first, not-yet-duplicate, track).
|
|
"""
|
|
|
|
log.debug(f"{self}: get_duplicate_rows() called")
|
|
|
|
found = []
|
|
result = []
|
|
|
|
for i in range(len(self.playlist_rows)):
|
|
track_id = self.playlist_rows[i].track_id
|
|
if track_id is None:
|
|
continue
|
|
if track_id in found:
|
|
result.append(i)
|
|
else:
|
|
found.append(track_id)
|
|
|
|
log.debug(f"{self}: get_duplicate_rows() returned: {result=}")
|
|
return result
|
|
|
|
def _get_new_row_number(self, proposed_row_number: Optional[int]) -> int:
|
|
"""
|
|
Sanitises proposed new row number.
|
|
|
|
If proposed_row_number given, ensure it is valid.
|
|
If not given, return row number to add to end of model.
|
|
"""
|
|
|
|
log.debug(f"{self}: _get_new_row_number({proposed_row_number=})")
|
|
|
|
if proposed_row_number is None or proposed_row_number > len(self.playlist_rows):
|
|
# We are adding to the end of the list
|
|
new_row_number = len(self.playlist_rows)
|
|
elif proposed_row_number < 0:
|
|
# Add to start of list
|
|
new_row_number = 0
|
|
else:
|
|
new_row_number = proposed_row_number
|
|
|
|
log.debug(f"{self}: get_new_row_number() return: {new_row_number=}")
|
|
return new_row_number
|
|
|
|
def get_row_info(self, row_number: int) -> RowAndTrack:
|
|
"""
|
|
Return info about passed row
|
|
"""
|
|
|
|
return self.playlist_rows[row_number]
|
|
|
|
def get_row_track_id(self, row_number: int) -> Optional[int]:
|
|
"""
|
|
Return id of track associated with row or None if no track associated
|
|
"""
|
|
|
|
return self.playlist_rows[row_number].track_id
|
|
|
|
def get_row_track_path(self, row_number: int) -> str:
|
|
"""
|
|
Return path of track associated with row or empty string if no track associated
|
|
"""
|
|
|
|
return self.playlist_rows[row_number].path
|
|
|
|
def get_rows_duration(self, row_numbers: list[int]) -> int:
|
|
"""
|
|
Return the total duration of the passed rows
|
|
"""
|
|
|
|
duration = 0
|
|
for row_number in row_numbers:
|
|
duration += self.playlist_rows[row_number].duration
|
|
|
|
return duration
|
|
|
|
def get_unplayed_rows(self) -> list[int]:
|
|
"""
|
|
Return a list of unplayed row numbers
|
|
"""
|
|
|
|
result = [
|
|
a.row_number
|
|
for a in self.playlist_rows.values()
|
|
if not a.played and a.track_id is not None
|
|
]
|
|
return result
|
|
|
|
def headerData(
|
|
self,
|
|
section: int,
|
|
orientation: Qt.Orientation,
|
|
role: int = Qt.ItemDataRole.DisplayRole,
|
|
) -> str | int | QFont | QVariant:
|
|
"""
|
|
Return text for headers
|
|
"""
|
|
|
|
display_dispatch_table = {
|
|
Col.START_GAP.value: Config.HEADER_START_GAP,
|
|
Col.INTRO.value: Config.HEADER_INTRO,
|
|
Col.TITLE.value: Config.HEADER_TITLE,
|
|
Col.ARTIST.value: Config.HEADER_ARTIST,
|
|
Col.DURATION.value: Config.HEADER_DURATION,
|
|
Col.START_TIME.value: Config.HEADER_START_TIME,
|
|
Col.END_TIME.value: Config.HEADER_END_TIME,
|
|
Col.LAST_PLAYED.value: Config.HEADER_LAST_PLAYED,
|
|
Col.BITRATE.value: Config.HEADER_BITRATE,
|
|
Col.NOTE.value: Config.HEADER_NOTE,
|
|
}
|
|
|
|
if role == Qt.ItemDataRole.DisplayRole:
|
|
if orientation == Qt.Orientation.Horizontal:
|
|
return display_dispatch_table[section]
|
|
else:
|
|
if Config.ROWS_FROM_ZERO:
|
|
return section
|
|
else:
|
|
return section + 1
|
|
|
|
elif role == Qt.ItemDataRole.FontRole:
|
|
boldfont = QFont()
|
|
boldfont.setBold(True)
|
|
return boldfont
|
|
|
|
return QVariant()
|
|
|
|
def header_text(self, rat: RowAndTrack) -> str:
|
|
"""
|
|
Process possible section timing directives embeded in header
|
|
"""
|
|
|
|
if rat.note.endswith(Config.SECTION_STARTS):
|
|
return self.start_of_timed_section_header(rat)
|
|
|
|
elif rat.note.endswith("="):
|
|
return self.section_subtotal_header(rat)
|
|
|
|
elif rat.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):
|
|
row_rat = self.playlist_rows[row_number]
|
|
if self.is_header_row(row_number):
|
|
if row_rat.note.endswith("-"):
|
|
# We didn't find a matching section start
|
|
break
|
|
if row_rat.note.endswith("+"):
|
|
return f"[End: {row_rat.note[:-1]}]"
|
|
return "-"
|
|
|
|
return rat.note
|
|
|
|
def hide_played_tracks(self, hide: bool) -> None:
|
|
"""
|
|
Set played tracks hidden according to 'hide'
|
|
"""
|
|
|
|
self.played_tracks_hidden = hide
|
|
for row_number in range(len(self.playlist_rows)):
|
|
if self.is_played_row(row_number):
|
|
# only invalidate required roles
|
|
roles = [
|
|
Qt.ItemDataRole.DisplayRole,
|
|
]
|
|
self.invalidate_row(row_number, roles)
|
|
|
|
def insert_row(
|
|
self,
|
|
proposed_row_number: Optional[int],
|
|
track_id: Optional[int] = None,
|
|
note: str = "",
|
|
) -> None:
|
|
"""
|
|
Insert a row.
|
|
"""
|
|
|
|
log.debug(f"{self}: insert_row({proposed_row_number=}, {track_id=}, {note=})")
|
|
|
|
new_row_number = self._get_new_row_number(proposed_row_number)
|
|
|
|
with db.Session() as session:
|
|
super().beginInsertRows(QModelIndex(), new_row_number, new_row_number)
|
|
_ = PlaylistRows.insert_row(
|
|
session=session,
|
|
playlist_id=self.playlist_id,
|
|
new_row_number=new_row_number,
|
|
note=note,
|
|
track_id=track_id,
|
|
)
|
|
session.commit()
|
|
|
|
self.refresh_data(session)
|
|
super().endInsertRows()
|
|
|
|
self.signals.resize_rows_signal.emit(self.playlist_id)
|
|
self.reset_track_sequence_row_numbers()
|
|
# only invalidate required roles
|
|
roles = [
|
|
Qt.ItemDataRole.BackgroundRole,
|
|
Qt.ItemDataRole.DisplayRole,
|
|
Qt.ItemDataRole.FontRole,
|
|
Qt.ItemDataRole.ForegroundRole,
|
|
]
|
|
self.invalidate_rows(list(range(new_row_number, len(self.playlist_rows))), roles)
|
|
|
|
def invalidate_row(self, modified_row: int, roles: list[Qt.ItemDataRole]) -> None:
|
|
"""
|
|
Signal to view to refresh invalidated row
|
|
"""
|
|
|
|
log.debug(f"issue285: {self}: invalidate_row({modified_row=})")
|
|
|
|
self.dataChanged.emit(
|
|
self.index(modified_row, 0),
|
|
self.index(modified_row, self.columnCount() - 1),
|
|
roles
|
|
)
|
|
|
|
def invalidate_rows(self, modified_rows: list[int], roles: list[Qt.ItemDataRole]) -> None:
|
|
"""
|
|
Signal to view to refresh invlidated rows
|
|
"""
|
|
|
|
log.debug(f"issue285: {self}: invalidate_rows({modified_rows=})")
|
|
|
|
for modified_row in modified_rows:
|
|
# only invalidate required roles
|
|
self.invalidate_row(modified_row, roles)
|
|
|
|
def is_header_row(self, row_number: int) -> bool:
|
|
"""
|
|
Return True if row is a header row, else False
|
|
"""
|
|
|
|
if row_number in self.playlist_rows:
|
|
return self.playlist_rows[row_number].path == ""
|
|
return False
|
|
|
|
def is_played_row(self, row_number: int) -> bool:
|
|
"""
|
|
Return True if row is an unplayed track row, else False
|
|
"""
|
|
|
|
return self.playlist_rows[row_number].played
|
|
|
|
def is_track_in_playlist(self, track_id: int) -> Optional[RowAndTrack]:
|
|
"""
|
|
If this track_id is in the playlist, return the RowAndTrack object
|
|
else return None
|
|
"""
|
|
|
|
for row_number in range(len(self.playlist_rows)):
|
|
if self.playlist_rows[row_number].track_id == track_id:
|
|
return self.playlist_rows[row_number]
|
|
|
|
return None
|
|
|
|
def load_data(self, session: Session) -> None:
|
|
"""
|
|
Same as refresh data, but only used when creating playslit.
|
|
Distinguishes profile time between initial load and other
|
|
refreshes.
|
|
"""
|
|
|
|
# We used to clear self.playlist_rows each time but that's
|
|
# expensive and slow on big playlists
|
|
|
|
# Note where each playlist_id is
|
|
plid_to_row: dict[int, int] = {}
|
|
for oldrow in self.playlist_rows:
|
|
plrdata = self.playlist_rows[oldrow]
|
|
plid_to_row[plrdata.playlistrow_id] = plrdata.row_number
|
|
|
|
# build a new playlist_rows
|
|
new_playlist_rows: dict[int, RowAndTrack] = {}
|
|
for p in PlaylistRows.get_playlist_rows(session, self.playlist_id):
|
|
if p.id not in plid_to_row:
|
|
new_playlist_rows[p.row_number] = RowAndTrack(p)
|
|
else:
|
|
new_playlist_rows[p.row_number] = self.playlist_rows[plid_to_row[p.id]]
|
|
new_playlist_rows[p.row_number].row_number = p.row_number
|
|
|
|
# Copy to self.playlist_rows
|
|
self.playlist_rows = new_playlist_rows
|
|
|
|
def mark_unplayed(self, row_numbers: list[int]) -> None:
|
|
"""
|
|
Mark row as unplayed
|
|
"""
|
|
|
|
with db.Session() as session:
|
|
for row_number in row_numbers:
|
|
playlist_row = session.get(
|
|
PlaylistRows, self.playlist_rows[row_number].playlistrow_id
|
|
)
|
|
if not playlist_row:
|
|
return
|
|
playlist_row.played = False
|
|
session.commit()
|
|
self.refresh_row(session, row_number)
|
|
|
|
self.update_track_times()
|
|
# only invalidate required roles
|
|
roles = [
|
|
Qt.ItemDataRole.FontRole,
|
|
]
|
|
self.invalidate_rows(row_numbers, roles)
|
|
|
|
def move_rows(self, from_rows: list[int], to_row_number: int) -> None:
|
|
"""
|
|
Move the playlist rows given to to_row and below.
|
|
"""
|
|
|
|
log.debug(f"{self}: move_rows({from_rows=}, {to_row_number=}")
|
|
|
|
# Build a {current_row_number: new_row_number} dictionary
|
|
row_map: dict[int, int] = {}
|
|
|
|
# The destination row number will need to be reduced by the
|
|
# number of rows being move from above the destination row
|
|
# otherwise rows below the destination row will end up above the
|
|
# moved rows.
|
|
adjusted_to_row = to_row_number - len(
|
|
[a for a in from_rows if a < to_row_number]
|
|
)
|
|
|
|
# Put the from_row row numbers into the row_map. Ultimately the
|
|
# total number of elements in the playlist doesn't change, so
|
|
# check that adding the moved rows starting at to_row won't
|
|
# overshoot the end of the playlist.
|
|
if adjusted_to_row + len(from_rows) > len(self.playlist_rows):
|
|
next_to_row = len(self.playlist_rows) - len(from_rows)
|
|
else:
|
|
next_to_row = adjusted_to_row
|
|
|
|
# zip iterates from_row and to_row simultaneously from the
|
|
# respective sequences inside zip()
|
|
for from_row, to_row in zip(
|
|
from_rows, range(next_to_row, next_to_row + len(from_rows))
|
|
):
|
|
row_map[from_row] = to_row
|
|
|
|
# Move the remaining rows to the row_map. We want to fill it
|
|
# before (if there are gaps) and after (likewise) the rows that
|
|
# are moving.
|
|
# zip iterates old_row and new_row simultaneously from the
|
|
# respective sequences inside zip()
|
|
for old_row, new_row in zip(
|
|
[x for x in self.playlist_rows.keys() if x not in from_rows],
|
|
[y for y in range(len(self.playlist_rows)) if y not in row_map.values()],
|
|
):
|
|
# Optimise: only add to map if there is a change
|
|
if old_row != new_row:
|
|
row_map[old_row] = new_row
|
|
|
|
# For SQLAlchemy, build a list of dictionaries that map playlistrow_id to
|
|
# new row number:
|
|
sqla_map: list[dict[str, int]] = []
|
|
for oldrow, newrow in row_map.items():
|
|
playlistrow_id = self.playlist_rows[oldrow].playlistrow_id
|
|
sqla_map.append({"playlistrow_id": playlistrow_id, "row_number": newrow})
|
|
|
|
with db.Session() as session:
|
|
PlaylistRows.update_plr_row_numbers(session, self.playlist_id, sqla_map)
|
|
session.commit()
|
|
# Update playlist_rows
|
|
self.refresh_data(session)
|
|
|
|
# Update display
|
|
self.reset_track_sequence_row_numbers()
|
|
self.update_track_times()
|
|
# only invalidate required roles
|
|
roles = [
|
|
Qt.ItemDataRole.DisplayRole,
|
|
]
|
|
self.invalidate_rows(list(row_map.keys()), roles)
|
|
|
|
def move_rows_between_playlists(
|
|
self,
|
|
from_rows: list[int],
|
|
to_row_number: int,
|
|
to_playlist_id: int,
|
|
) -> None:
|
|
"""
|
|
Move the playlist rows given to to_row and below of to_playlist.
|
|
"""
|
|
|
|
log.debug(
|
|
f"{self}: move_rows_between_playlists({from_rows=}, "
|
|
f"{to_row_number=}, {to_playlist_id=}"
|
|
)
|
|
|
|
# Row removal must be wrapped in beginRemoveRows ..
|
|
# endRemoveRows and the row range must be contiguous. Process
|
|
# the highest rows first so the lower row numbers are unchanged
|
|
row_groups = self._reversed_contiguous_row_groups(from_rows)
|
|
|
|
# Prepare destination playlist for a reset
|
|
self.signals.begin_reset_model_signal.emit(to_playlist_id)
|
|
|
|
with db.Session() as session:
|
|
for row_group in row_groups:
|
|
# Make room in destination playlist
|
|
max_destination_row_number = PlaylistRows.get_last_used_row(
|
|
session, to_playlist_id
|
|
)
|
|
if (
|
|
max_destination_row_number
|
|
and to_row_number <= max_destination_row_number
|
|
):
|
|
# Move the destination playlist rows down to make room.
|
|
PlaylistRows.move_rows_down(
|
|
session, to_playlist_id, to_row_number, len(row_group)
|
|
)
|
|
next_to_row = to_row_number
|
|
|
|
super().beginRemoveRows(QModelIndex(), min(row_group), max(row_group))
|
|
for playlist_row in PlaylistRows.plrids_to_plrs(
|
|
session,
|
|
self.playlist_id,
|
|
[self.playlist_rows[a].playlistrow_id for a in row_group],
|
|
):
|
|
if (
|
|
track_sequence.current
|
|
and playlist_row.id == track_sequence.current.playlistrow_id
|
|
):
|
|
# Don't move current track
|
|
continue
|
|
playlist_row.playlist_id = to_playlist_id
|
|
playlist_row.row_number = next_to_row
|
|
next_to_row += 1
|
|
self.refresh_data(session)
|
|
super().endRemoveRows()
|
|
# We need to remove gaps in row numbers after tracks have
|
|
# moved.
|
|
PlaylistRows.fixup_rownumbers(session, self.playlist_id)
|
|
self.refresh_data(session)
|
|
session.commit()
|
|
|
|
# Reset of model must come after session has been closed
|
|
self.reset_track_sequence_row_numbers()
|
|
self.signals.end_reset_model_signal.emit(to_playlist_id)
|
|
self.update_track_times()
|
|
|
|
def move_track_add_note(
|
|
self, new_row_number: int, existing_rat: RowAndTrack, note: str
|
|
) -> None:
|
|
"""
|
|
Move existing_rat track to new_row_number and append note to any existing note
|
|
"""
|
|
|
|
log.debug(
|
|
f"{self}: move_track_add_note({new_row_number=}, {existing_rat=}, {note=}"
|
|
)
|
|
|
|
if note:
|
|
with db.Session() as session:
|
|
playlist_row = session.get(PlaylistRows, existing_rat.playlistrow_id)
|
|
if playlist_row:
|
|
if playlist_row.note:
|
|
playlist_row.note += "\n" + note
|
|
else:
|
|
playlist_row.note = note
|
|
self.refresh_row(session, playlist_row.row_number)
|
|
session.commit()
|
|
|
|
# Carry out the move outside of the session context to ensure
|
|
# database updated with any note change
|
|
self.move_rows([existing_rat.row_number], new_row_number)
|
|
self.signals.resize_rows_signal.emit(self.playlist_id)
|
|
|
|
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
|
|
"""
|
|
|
|
log.debug(
|
|
f"{self}: move_track_to_header({header_row_number=}, {existing_rat=}, {note=}"
|
|
)
|
|
|
|
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])
|
|
|
|
def obs_scene_change(self, row_number: int) -> None:
|
|
"""
|
|
Check this row and any preceding headers for OBS scene change command
|
|
and execute any found
|
|
"""
|
|
|
|
log.debug(f"{self}: obs_scene_change({row_number=})")
|
|
|
|
# Check any headers before this row
|
|
idx = row_number - 1
|
|
while self.is_header_row(idx):
|
|
idx -= 1
|
|
# Step through headers in row order and finish with this row
|
|
for chkrow in range(idx + 1, row_number + 1):
|
|
match_obj = scene_change_re.search(self.playlist_rows[chkrow].note)
|
|
if match_obj:
|
|
scene_name = match_obj.group(1)
|
|
if scene_name:
|
|
ws = obswebsocket.obsws(
|
|
host=Config.OBS_HOST,
|
|
port=Config.OBS_PORT,
|
|
password=Config.OBS_PASSWORD,
|
|
)
|
|
try:
|
|
ws.connect()
|
|
ws.call(
|
|
obswebsocket.requests.SetCurrentProgramScene(
|
|
sceneName=scene_name
|
|
)
|
|
)
|
|
log.debug(f"{self}: OBS scene changed to '{scene_name}'")
|
|
continue
|
|
except obswebsocket.exceptions.ConnectionFailure:
|
|
log.warning(f"{self}: OBS connection refused")
|
|
return
|
|
|
|
def previous_track_ended(self) -> None:
|
|
"""
|
|
Notification from musicmuster that the previous track has ended.
|
|
|
|
Actions required:
|
|
- sanity check
|
|
- update display
|
|
"""
|
|
|
|
log.debug(f"{self}: previous_track_ended()")
|
|
|
|
# Sanity check
|
|
if not track_sequence.previous:
|
|
log.error(
|
|
f"{self}: playlistmodel:previous_track_ended called with no current track"
|
|
)
|
|
return
|
|
if track_sequence.previous.row_number is None:
|
|
log.error(
|
|
f"{self}: previous_track_ended called with no row number "
|
|
f"({track_sequence.previous=})"
|
|
)
|
|
return
|
|
|
|
# Update display
|
|
# only invalidate required roles
|
|
roles = [
|
|
Qt.ItemDataRole.BackgroundRole,
|
|
]
|
|
self.invalidate_row(track_sequence.previous.row_number, roles)
|
|
|
|
def refresh_data(self, session: Session) -> None:
|
|
"""
|
|
Populate self.playlist_rows with playlist data
|
|
|
|
We used to clear self.playlist_rows each time but that's
|
|
expensive and slow on big playlists. Instead we track where rows
|
|
are in database versus self.playlist_rows and fixup the latter.
|
|
This works well for news rows added and for rows moved, but
|
|
doesn't work for changed comments so they must be handled using
|
|
refresh_row().
|
|
"""
|
|
|
|
# Note where each playlist_id is
|
|
plid_to_row: dict[int, int] = {}
|
|
for oldrow in self.playlist_rows:
|
|
plrdata = self.playlist_rows[oldrow]
|
|
plid_to_row[plrdata.playlistrow_id] = plrdata.row_number
|
|
|
|
# build a new playlist_rows
|
|
new_playlist_rows: dict[int, RowAndTrack] = {}
|
|
for p in PlaylistRows.get_playlist_rows(session, self.playlist_id):
|
|
if p.id not in plid_to_row:
|
|
new_playlist_rows[p.row_number] = RowAndTrack(p)
|
|
else:
|
|
new_playlist_rows[p.row_number] = self.playlist_rows[plid_to_row[p.id]]
|
|
new_playlist_rows[p.row_number].row_number = p.row_number
|
|
|
|
# Copy to self.playlist_rows
|
|
self.playlist_rows = new_playlist_rows
|
|
|
|
def refresh_row(self, session, row_number):
|
|
"""Populate dict for one row from database"""
|
|
|
|
p = PlaylistRows.deep_row(session, self.playlist_id, row_number)
|
|
self.playlist_rows[row_number] = RowAndTrack(p)
|
|
|
|
def remove_track(self, row_number: int) -> None:
|
|
"""
|
|
Remove track from row, retaining row as a header row
|
|
"""
|
|
|
|
log.debug(f"{self}: remove_track({row_number=})")
|
|
|
|
with db.Session() as session:
|
|
playlist_row = session.get(
|
|
PlaylistRows, self.playlist_rows[row_number].playlistrow_id
|
|
)
|
|
if playlist_row:
|
|
playlist_row.track_id = None
|
|
session.commit()
|
|
self.refresh_row(session, row_number)
|
|
# only invalidate required roles
|
|
roles = [
|
|
Qt.ItemDataRole.DisplayRole,
|
|
]
|
|
self.invalidate_row(row_number, roles)
|
|
|
|
def rescan_track(self, row_number: int) -> None:
|
|
"""
|
|
Rescan track at passed row number
|
|
"""
|
|
|
|
track_id = self.playlist_rows[row_number].track_id
|
|
if track_id:
|
|
with db.Session() as session:
|
|
track = session.get(Tracks, track_id)
|
|
set_track_metadata(track)
|
|
self.refresh_row(session, row_number)
|
|
self.update_track_times()
|
|
roles = [
|
|
Qt.ItemDataRole.BackgroundRole,
|
|
Qt.ItemDataRole.DisplayRole,
|
|
]
|
|
# only invalidate required roles
|
|
self.invalidate_row(row_number, roles)
|
|
self.signals.resize_rows_signal.emit(self.playlist_id)
|
|
session.commit()
|
|
|
|
def reset_track_sequence_row_numbers(self) -> None:
|
|
"""
|
|
Signal handler for when row ordering has changed.
|
|
|
|
Example: row 4 is marked as next. Row 2 is deleted. The PlaylistRows table will
|
|
be correctly updated with change of row number, but track_sequence.next will still
|
|
contain row_number==4. This function fixes up the track_sequence row numbers by
|
|
looking up the playlistrow_id and retrieving the row number from the database.
|
|
"""
|
|
|
|
log.debug(f"issue285: {self}: reset_track_sequence_row_numbers()")
|
|
|
|
# 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.update_track_times()
|
|
|
|
def remove_comments(self, row_numbers: list[int]) -> None:
|
|
"""
|
|
Remove comments from passed rows
|
|
"""
|
|
|
|
if not row_numbers:
|
|
return
|
|
|
|
# Safety check
|
|
if not ask_yes_no(
|
|
title="Remove comments",
|
|
question=f"Remove comments from {len(row_numbers)} rows?",
|
|
):
|
|
return
|
|
|
|
with db.Session() as session:
|
|
for row_number in row_numbers:
|
|
playlist_row = session.get(
|
|
PlaylistRows, self.playlist_rows[row_number].playlistrow_id
|
|
)
|
|
if playlist_row.track_id:
|
|
playlist_row.note = ""
|
|
# We can't use refresh_data() because its
|
|
# optimisations mean it won't update comments in
|
|
# self.playlist_rows
|
|
# The "correct" approach would be to re-read from the
|
|
# database but we optimise here by simply updating
|
|
# self.playlist_rows directly.
|
|
self.playlist_rows[row_number].note = ""
|
|
session.commit()
|
|
# only invalidate required roles
|
|
roles = [
|
|
Qt.ItemDataRole.BackgroundRole,
|
|
Qt.ItemDataRole.DisplayRole,
|
|
Qt.ItemDataRole.ForegroundRole,
|
|
]
|
|
self.invalidate_rows(row_numbers, roles)
|
|
|
|
def _reversed_contiguous_row_groups(
|
|
self, row_numbers: list[int]
|
|
) -> list[list[int]]:
|
|
"""
|
|
Take the list of row numbers and split into groups of contiguous rows. Return as a list
|
|
of lists with the highest row numbers first.
|
|
|
|
Example:
|
|
input [2, 3, 4, 5, 7, 9, 10, 13, 17, 20, 21]
|
|
return: [[20, 21], [17], [13], [9, 10], [7], [2, 3, 4, 5]]
|
|
"""
|
|
|
|
log.debug(f"{self}: _reversed_contiguous_row_groups({row_numbers=} called")
|
|
|
|
result: list[list[int]] = []
|
|
temp: list[int] = []
|
|
last_value = row_numbers[0] - 1
|
|
|
|
for idx in range(len(row_numbers)):
|
|
if row_numbers[idx] != last_value + 1:
|
|
result.append(temp)
|
|
temp = []
|
|
last_value = row_numbers[idx]
|
|
temp.append(last_value)
|
|
if temp:
|
|
result.append(temp)
|
|
result.reverse()
|
|
|
|
log.debug(f"{self}: _reversed_contiguous_row_groups() returned: {result=}")
|
|
return result
|
|
|
|
def remove_section_timer_markers(self, header_text: str) -> str:
|
|
"""
|
|
Remove characters used to mark section timeings from
|
|
passed header text.
|
|
|
|
Remove text using to signal header colours if colour entry
|
|
is so marked.
|
|
|
|
Return header text witout markers
|
|
"""
|
|
|
|
if header_text == "=":
|
|
return ""
|
|
while header_text.endswith(Config.SECTION_STARTS):
|
|
header_text = header_text[0:-1]
|
|
while header_text.endswith(Config.SECTION_ENDINGS):
|
|
header_text = header_text[0:-1]
|
|
|
|
# Parse passed header text and remove the first colour match string
|
|
with db.Session() as session:
|
|
for rec in NoteColours.get_all(session):
|
|
if not rec.strip_substring:
|
|
continue
|
|
if rec.is_regex:
|
|
flags = re.UNICODE
|
|
if not rec.is_casesensitive:
|
|
flags |= re.IGNORECASE
|
|
p = re.compile(rec.substring, flags)
|
|
if p.match(header_text):
|
|
header_text = re.sub(p, "", header_text)
|
|
break
|
|
else:
|
|
if rec.is_casesensitive:
|
|
if rec.substring.lower() in header_text.lower():
|
|
header_text = remove_substring_case_insensitive(
|
|
header_text, rec.substring
|
|
)
|
|
break
|
|
else:
|
|
if rec.substring in header_text:
|
|
header_text = header_text.replace(rec.substring, "")
|
|
break
|
|
|
|
return header_text
|
|
|
|
def rowCount(self, index: QModelIndex = QModelIndex()) -> int:
|
|
"""Standard function for view"""
|
|
|
|
return len(self.playlist_rows)
|
|
|
|
def section_subtotal_header(self, rat: RowAndTrack) -> str:
|
|
"""
|
|
Process this row as subtotal within a timed section and
|
|
return display text for this row
|
|
"""
|
|
|
|
count: int = 0
|
|
unplayed_count: int = 0
|
|
duration: int = 0
|
|
|
|
if rat.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):
|
|
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:
|
|
# If we are playing this section, also
|
|
# calculate end time when all tracks are played.
|
|
end_time_str = ""
|
|
if (
|
|
track_sequence.current
|
|
and track_sequence.current.end_time
|
|
and (
|
|
row_number
|
|
< track_sequence.current.row_number
|
|
< rat.row_number
|
|
)
|
|
):
|
|
section_end_time = (
|
|
track_sequence.current.end_time
|
|
+ dt.timedelta(milliseconds=duration)
|
|
)
|
|
end_time_str = (
|
|
", section end time "
|
|
+ section_end_time.strftime(Config.TRACK_TIME_FORMAT)
|
|
)
|
|
clean_header = self.remove_section_timer_markers(rat.note)
|
|
if clean_header:
|
|
return (
|
|
f"{clean_header} ["
|
|
f"{unplayed_count}/{count} track{'s' if count > 1 else ''} "
|
|
f"({ms_to_mmss(duration)}) unplayed{end_time_str}]"
|
|
)
|
|
else:
|
|
return (
|
|
f"[{unplayed_count}/{count} track{'s' if count > 1 else ''} "
|
|
f"({ms_to_mmss(duration)}) unplayed{end_time_str}]"
|
|
)
|
|
else:
|
|
continue
|
|
else:
|
|
count += 1
|
|
if not row_rat.played:
|
|
unplayed_count += 1
|
|
duration += row_rat.duration
|
|
|
|
# We should never get here
|
|
raise ApplicationError("Error in section_subtotal_header()")
|
|
|
|
def selection_is_sortable(self, row_numbers: list[int]) -> bool:
|
|
"""
|
|
Return True if the selection is sortable. That means:
|
|
- at least two rows selected
|
|
- selected rows are contiguous
|
|
- selected rows do not include any header rows
|
|
"""
|
|
|
|
# at least two rows selected
|
|
if len(row_numbers) < 2:
|
|
return False
|
|
|
|
# selected rows are contiguous
|
|
if sorted(row_numbers) != list(range(min(row_numbers), max(row_numbers) + 1)):
|
|
return False
|
|
|
|
# selected rows do not include any header rows
|
|
for row_number in row_numbers:
|
|
if self.is_header_row(row_number):
|
|
return False
|
|
|
|
return True
|
|
|
|
def set_next_row(self, row_number: Optional[int]) -> None:
|
|
"""
|
|
Set row_number as next track. If row_number is None, clear next track.
|
|
|
|
Return True if successful else False.
|
|
"""
|
|
|
|
log.debug(f"{self}: set_next_row({row_number=})")
|
|
|
|
if row_number is None:
|
|
# Clear next track
|
|
if track_sequence.next is not None:
|
|
track_sequence.set_next(None)
|
|
else:
|
|
# Get playlistrow_id of row
|
|
try:
|
|
rat = self.playlist_rows[row_number]
|
|
except IndexError:
|
|
log.error(f"{self} set_track_sequence.next({row_number=}, IndexError")
|
|
return
|
|
if rat.track_id is None or rat.row_number is None:
|
|
log.error(
|
|
f"{self} .set_track_sequence.next({row_number=}, "
|
|
f"No track / row number {rat.track_id=}, {rat.row_number=}"
|
|
)
|
|
return
|
|
|
|
old_next_row: Optional[int] = None
|
|
if track_sequence.next:
|
|
old_next_row = track_sequence.next.row_number
|
|
|
|
track_sequence.set_next(rat)
|
|
|
|
if Config.WIKIPEDIA_ON_NEXT:
|
|
self.signals.search_wikipedia_signal.emit(
|
|
self.playlist_rows[row_number].title
|
|
)
|
|
if Config.SONGFACTS_ON_NEXT:
|
|
self.signals.search_songfacts_signal.emit(
|
|
self.playlist_rows[row_number].title
|
|
)
|
|
roles = [
|
|
Qt.ItemDataRole.BackgroundRole,
|
|
]
|
|
if old_next_row is not None:
|
|
# only invalidate required roles
|
|
self.invalidate_row(old_next_row, roles)
|
|
# only invalidate required roles
|
|
self.invalidate_row(row_number, roles)
|
|
|
|
self.signals.next_track_changed_signal.emit()
|
|
self.update_track_times()
|
|
|
|
def setData(
|
|
self,
|
|
index: QModelIndex,
|
|
value: str | float,
|
|
role: int = Qt.ItemDataRole.EditRole,
|
|
) -> bool:
|
|
"""
|
|
Update model with edited data
|
|
"""
|
|
|
|
if not index.isValid() or role != Qt.ItemDataRole.EditRole:
|
|
return False
|
|
|
|
row_number = index.row()
|
|
column = index.column()
|
|
|
|
with db.Session() as session:
|
|
playlist_row = session.get(
|
|
PlaylistRows, self.playlist_rows[row_number].playlistrow_id
|
|
)
|
|
if not playlist_row:
|
|
log.error(
|
|
f"{self}: Error saving data: {row_number=}, {column=}, {value=}"
|
|
)
|
|
return False
|
|
|
|
if playlist_row.track_id:
|
|
if column in [Col.TITLE.value, Col.ARTIST.value, Col.INTRO.value]:
|
|
track = session.get(Tracks, playlist_row.track_id)
|
|
if not track:
|
|
log.error(f"{self}: Error retreiving track: {playlist_row=}")
|
|
return False
|
|
if column == Col.TITLE.value:
|
|
track.title = str(value)
|
|
elif column == Col.ARTIST.value:
|
|
track.artist = str(value)
|
|
elif column == Col.INTRO.value:
|
|
track.intro = int(round(float(value), 1) * 1000)
|
|
else:
|
|
log.error(f"{self}: Error updating track: {column=}, {value=}")
|
|
return False
|
|
elif column == Col.NOTE.value:
|
|
playlist_row.note = str(value)
|
|
|
|
else:
|
|
# This is a header row
|
|
if column == HEADER_NOTES_COLUMN:
|
|
playlist_row.note = str(value)
|
|
|
|
# commit changes before refreshing data
|
|
session.commit()
|
|
self.refresh_row(session, row_number)
|
|
self.dataChanged.emit(index, index, [Qt.ItemDataRole.DisplayRole, role])
|
|
|
|
return True
|
|
|
|
def sort_by_artist(self, row_numbers: list[int]) -> None:
|
|
"""
|
|
Sort selected rows by artist
|
|
"""
|
|
|
|
self.sort_by_attribute(row_numbers, "artist")
|
|
|
|
def sort_by_attribute(self, row_numbers: list[int], attr_name: str) -> None:
|
|
"""
|
|
Sort selected rows by passed attribute name where 'attribute' is a
|
|
key in PlaylistRowData
|
|
"""
|
|
|
|
# Create a subset of playlist_rows with the rows we are
|
|
# interested in
|
|
shortlist_rows = {k: self.playlist_rows[k] for k in row_numbers}
|
|
sorted_list = [
|
|
playlist_row.row_number
|
|
for playlist_row in sorted(
|
|
shortlist_rows.values(), key=attrgetter(attr_name)
|
|
)
|
|
]
|
|
self.move_rows(sorted_list, min(sorted_list))
|
|
|
|
def sort_by_duration(self, row_numbers: list[int]) -> None:
|
|
"""
|
|
Sort selected rows by duration
|
|
"""
|
|
|
|
self.sort_by_attribute(row_numbers, "duration")
|
|
|
|
def sort_by_lastplayed(self, row_numbers: list[int]) -> None:
|
|
"""
|
|
Sort selected rows by lastplayed
|
|
"""
|
|
|
|
self.sort_by_attribute(row_numbers, "lastplayed")
|
|
|
|
def sort_randomly(self, row_numbers: list[int]) -> None:
|
|
"""
|
|
Sort selected rows randomly
|
|
"""
|
|
|
|
shuffle(row_numbers)
|
|
self.move_rows(row_numbers, min(row_numbers))
|
|
|
|
def sort_by_title(self, row_numbers: list[int]) -> None:
|
|
"""
|
|
Sort selected rows by title
|
|
"""
|
|
|
|
self.sort_by_attribute(row_numbers, "title")
|
|
|
|
def start_of_timed_section_header(self, rat: RowAndTrack) -> str:
|
|
"""
|
|
Process this row as the start of a timed section and
|
|
return display text for this row
|
|
"""
|
|
|
|
count: int = 0
|
|
unplayed_count: int = 0
|
|
duration: int = 0
|
|
|
|
clean_header = self.remove_section_timer_markers(rat.note)
|
|
|
|
for row_number in range(rat.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):
|
|
return (
|
|
f"{clean_header} "
|
|
f"[{count} tracks, {ms_to_mmss(duration)} unplayed]"
|
|
)
|
|
else:
|
|
continue
|
|
else:
|
|
count += 1
|
|
if not row_rat.played:
|
|
unplayed_count += 1
|
|
duration += row_rat.duration
|
|
return (
|
|
f"{clean_header} "
|
|
f"[{count} tracks, {ms_to_mmss(duration, none='none')} "
|
|
"unplayed (to end of playlist)]"
|
|
)
|
|
|
|
def supportedDropActions(self) -> Qt.DropAction:
|
|
return Qt.DropAction.MoveAction | Qt.DropAction.CopyAction
|
|
|
|
def _tooltip_role(self, row: int, column: int, rat: RowAndTrack) -> str:
|
|
"""
|
|
Return tooltip. Currently only used for last_played column.
|
|
"""
|
|
|
|
if column != Col.LAST_PLAYED.value:
|
|
return ""
|
|
with db.Session() as session:
|
|
track_id = self.playlist_rows[row].track_id
|
|
if not track_id:
|
|
return ""
|
|
playdates = Playdates.last_playdates(session, track_id)
|
|
return "<br>".join(
|
|
[
|
|
a.lastplayed.strftime(Config.LAST_PLAYED_TOOLTIP_DATE_FORMAT)
|
|
for a in playdates
|
|
]
|
|
)
|
|
|
|
def update_or_insert(self, track_id: int, row_number: int) -> None:
|
|
"""
|
|
If the passed track_id exists in this playlist, update the
|
|
row(s), otherwise insert this track at row_number.
|
|
"""
|
|
|
|
track_rows = [
|
|
a.row_number for a in self.playlist_rows.values() if a.track_id == track_id
|
|
]
|
|
if track_rows:
|
|
with db.Session() as session:
|
|
for row in track_rows:
|
|
self.refresh_row(session, row)
|
|
# only invalidate required roles
|
|
roles = [
|
|
Qt.ItemDataRole.BackgroundRole,
|
|
Qt.ItemDataRole.DisplayRole,
|
|
Qt.ItemDataRole.FontRole,
|
|
Qt.ItemDataRole.ForegroundRole,
|
|
]
|
|
self.invalidate_rows(track_rows, roles)
|
|
else:
|
|
self.insert_row(proposed_row_number=row_number, track_id=track_id)
|
|
|
|
def update_track_times(self) -> None:
|
|
"""
|
|
Update track start/end times in self.playlist_rows
|
|
"""
|
|
|
|
log.debug(f"issue285: {self}: update_track_times()")
|
|
|
|
next_start_time: Optional[dt.datetime] = None
|
|
update_rows: list[int] = []
|
|
row_count = len(self.playlist_rows)
|
|
|
|
current_track_row = None
|
|
next_track_row = None
|
|
if (
|
|
track_sequence.current
|
|
and track_sequence.current.playlist_id == self.playlist_id
|
|
):
|
|
current_track_row = track_sequence.current.row_number
|
|
# Update current track details now so that they are available
|
|
# when we deal with next track row which may be above current
|
|
# track row.
|
|
self.playlist_rows[current_track_row].set_forecast_start_time(
|
|
update_rows, track_sequence.current.start_time
|
|
)
|
|
|
|
if track_sequence.next and track_sequence.next.playlist_id == self.playlist_id:
|
|
next_track_row = track_sequence.next.row_number
|
|
|
|
for row_number in range(row_count):
|
|
rat = 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
|
|
or row_number == current_track_row
|
|
or (rat.path and file_is_unreadable(rat.path))
|
|
):
|
|
continue
|
|
|
|
# Reset start time if timing in header
|
|
if self.is_header_row(row_number):
|
|
header_time = get_embedded_time(rat.note)
|
|
if header_time:
|
|
next_start_time = header_time
|
|
continue
|
|
|
|
# Set start time for next row if we have a current track
|
|
if (
|
|
row_number == next_track_row
|
|
and track_sequence.current
|
|
and track_sequence.current.end_time
|
|
):
|
|
next_start_time = rat.set_forecast_start_time(
|
|
update_rows, track_sequence.current.end_time
|
|
)
|
|
continue
|
|
|
|
# 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)
|
|
continue
|
|
|
|
# Set start/end
|
|
next_start_time = rat.set_forecast_start_time(update_rows, next_start_time)
|
|
|
|
# Update start/stop times of rows that have changed
|
|
for updated_row in update_rows:
|
|
self.dataChanged.emit(
|
|
self.index(updated_row, Col.START_TIME.value),
|
|
self.index(updated_row, Col.END_TIME.value),
|
|
)
|
|
|
|
|
|
class PlaylistProxyModel(QSortFilterProxyModel):
|
|
"""
|
|
For searching and filtering
|
|
"""
|
|
|
|
def __init__(
|
|
self,
|
|
) -> None:
|
|
super().__init__()
|
|
|
|
# Search all columns
|
|
self.setFilterKeyColumn(-1)
|
|
|
|
def __repr__(self) -> str:
|
|
return f"<PlaylistProxyModel: sourceModel={self.sourceModel()}>"
|
|
|
|
def filterAcceptsRow(self, source_row: int, source_parent: QModelIndex) -> bool:
|
|
"""
|
|
Subclass to filter by played status. Return True to show this row, False to hide it.
|
|
"""
|
|
|
|
if Config.HIDE_PLAYED_MODE != Config.HIDE_PLAYED_MODE_TRACKS:
|
|
return super().filterAcceptsRow(source_row, source_parent)
|
|
|
|
if self.sourceModel().played_tracks_hidden:
|
|
if self.sourceModel().is_played_row(source_row):
|
|
# Don't hide current track
|
|
if (
|
|
track_sequence.current
|
|
and track_sequence.current.playlist_id
|
|
== self.sourceModel().playlist_id
|
|
and track_sequence.current.row_number == source_row
|
|
):
|
|
return True
|
|
|
|
# Don't hide next track
|
|
if (
|
|
track_sequence.next
|
|
and track_sequence.next.playlist_id
|
|
== self.sourceModel().playlist_id
|
|
and track_sequence.next.row_number == source_row
|
|
):
|
|
return True
|
|
|
|
# Handle previous track
|
|
if track_sequence.previous:
|
|
if (
|
|
track_sequence.previous.playlist_id
|
|
!= self.sourceModel().playlist_id
|
|
or track_sequence.previous.row_number != source_row
|
|
):
|
|
# This row isn't our previous track: hide it
|
|
return False
|
|
if track_sequence.current and track_sequence.current.start_time:
|
|
# This row is our previous track. Don't hide it
|
|
# until HIDE_AFTER_PLAYING_OFFSET milliseconds
|
|
# after current track has started
|
|
if track_sequence.current.start_time and dt.datetime.now() > (
|
|
track_sequence.current.start_time
|
|
+ dt.timedelta(
|
|
milliseconds=Config.HIDE_AFTER_PLAYING_OFFSET
|
|
)
|
|
):
|
|
return False
|
|
else:
|
|
# Invalidate this row in
|
|
# HIDE_AFTER_PLAYING_OFFSET and a bit
|
|
# milliseconds so that it hides then. We add
|
|
# 100mS on so that the if clause above is
|
|
# true next time through.
|
|
# only invalidate required roles
|
|
roles = [
|
|
Qt.ItemDataRole.DisplayRole,
|
|
]
|
|
QTimer.singleShot(
|
|
Config.HIDE_AFTER_PLAYING_OFFSET + 100,
|
|
lambda: self.sourceModel().invalidate_row(source_row, roles),
|
|
)
|
|
return True
|
|
# Next track not playing yet so don't hide previous
|
|
else:
|
|
return True
|
|
|
|
# No previous track so hide this played track immediately
|
|
return False
|
|
|
|
return super().filterAcceptsRow(source_row, source_parent)
|
|
|
|
def set_incremental_search(self, search_string: str) -> None:
|
|
"""
|
|
Update search pattern
|
|
"""
|
|
|
|
self.setFilterRegularExpression(
|
|
QRegularExpression(
|
|
search_string, QRegularExpression.PatternOption.CaseInsensitiveOption
|
|
)
|
|
)
|
|
|
|
def sourceModel(self) -> PlaylistModel:
|
|
"""
|
|
Override sourceModel to return correct type
|
|
"""
|
|
|
|
return cast(PlaylistModel, super().sourceModel())
|