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"""Downloads mixin for MainWindow.
Handles download queue and download operations.
"""
import time
from PySide6 import QtCore, QtWidgets
from tidalapi import Album, Artist, Mix, Playlist, Quality, Track, UserPlaylist, Video
from tidal_dl_ng.config import HandlingApp
from tidal_dl_ng.constants import QualityVideo, QueueDownloadStatus
from tidal_dl_ng.download import Download
from tidal_dl_ng.helper.gui import (
get_queue_download_media,
get_queue_download_quality_audio,
get_queue_download_quality_video,
get_results_media_item,
set_queue_download_media,
)
from tidal_dl_ng.helper.path import get_format_template
from tidal_dl_ng.helper.tidal import items_results_all
from tidal_dl_ng.logger import logger_gui
from tidal_dl_ng.model.gui_data import QueueDownloadItem, StatusbarMessage
class DownloadsMixin:
"""Mixin containing download-related methods."""
def on_download_results(self) -> None:
"""Download the selected results in the results tree."""
items = self.tr_results.selectionModel().selectedRows()
if len(items) == 0:
logger_gui.error("Please select a row first.")
else:
for item in items:
media = get_results_media_item(item, self.proxy_tr_results, self.model_tr_results)
queue_dl_item: QueueDownloadItem = self.search_manager.media_to_queue_download_model(media)
if queue_dl_item:
self.queue_download_media(queue_dl_item)
def queue_download_media(self, queue_dl_item: QueueDownloadItem) -> None:
"""Add a media item to the download queue."""
child: QtWidgets.QTreeWidgetItem = QtWidgets.QTreeWidgetItem()
child.setText(0, queue_dl_item.status)
set_queue_download_media(child, queue_dl_item.obj)
child.setText(2, queue_dl_item.name)
child.setText(3, queue_dl_item.type_media)
child.setText(4, queue_dl_item.quality_audio)
child.setText(5, queue_dl_item.quality_video)
self.tr_queue_download.addTopLevelItem(child)
def watcher_queue_download(self) -> None:
"""Monitor the download queue and process items as they become available."""
handling_app: HandlingApp = HandlingApp()
while not handling_app.event_abort.is_set():
items = self.tr_queue_download.findItems(
QueueDownloadStatus.Waiting, QtCore.Qt.MatchFlag.MatchExactly, column=0
)
if len(items) > 0:
item: QtWidgets.QTreeWidgetItem = items[0]
media = get_queue_download_media(item)
quality_audio: Quality = get_queue_download_quality_audio(item)
quality_video: QualityVideo = get_queue_download_quality_video(item)
try:
self.s_queue_download_item_downloading.emit(item)
result = self.on_queue_download(media, quality_audio=quality_audio, quality_video=quality_video)
if result == QueueDownloadStatus.Finished:
self.s_queue_download_item_finished.emit(item)
elif result == QueueDownloadStatus.Skipped:
self.s_queue_download_item_skipped.emit(item)
except Exception as e:
logger_gui.error(e)
self.s_queue_download_item_failed.emit(item)
else:
time.sleep(2)
def on_queue_download_item_downloading(self, item: QtWidgets.QTreeWidgetItem) -> None:
"""Update the status of a queue download item to 'Downloading'."""
self.queue_download_item_status(item, QueueDownloadStatus.Downloading)
def on_queue_download_item_finished(self, item: QtWidgets.QTreeWidgetItem) -> None:
"""Update the status of a queue download item to 'Finished'."""
self.queue_download_item_status(item, QueueDownloadStatus.Finished)
def on_queue_download_item_failed(self, item: QtWidgets.QTreeWidgetItem) -> None:
"""Update the status of a queue download item to 'Failed'."""
self.queue_download_item_status(item, QueueDownloadStatus.Failed)
def on_queue_download_item_skipped(self, item: QtWidgets.QTreeWidgetItem) -> None:
"""Update the status of a queue download item to 'Skipped'."""
self.queue_download_item_status(item, QueueDownloadStatus.Skipped)
def queue_download_item_status(self, item: QtWidgets.QTreeWidgetItem, status: str) -> None:
"""Set the status text of a queue download item."""
item.setText(0, status)
def on_queue_download(
self,
media: Track | Album | Playlist | Video | Mix | Artist,
quality_audio: Quality | None = None,
quality_video: QualityVideo | None = None,
) -> QueueDownloadStatus:
"""Download the specified media item(s) and return the result status."""
result: QueueDownloadStatus
items_media: list = items_results_all(self.tidal.session, media) if isinstance(media, Artist) else [media]
download_delay: bool = bool(isinstance(media, Track | Video) and self.settings.data.download_delay)
for item_media in items_media:
result = self.download(
item_media,
self.dl,
delay_track=download_delay,
quality_audio=quality_audio,
quality_video=quality_video,
)
return result
def download(
self,
media: Track | Album | Playlist | Video | Mix | Artist,
dl: Download,
delay_track: bool = False,
quality_audio: Quality | None = None,
quality_video: QualityVideo | None = None,
) -> QueueDownloadStatus:
"""Download a media item and return the result status."""
result_dl: bool
path_file: str
result: QueueDownloadStatus
self.s_pb_reset.emit()
self.s_statusbar_message.emit(StatusbarMessage(message="Download started..."))
file_template = get_format_template(media, self.settings)
# Determine source information
source_type = "manual"
source_id = None
source_name = None
if isinstance(media, Album):
source_type = "album"
source_id = str(media.id)
source_name = media.name
elif isinstance(media, Playlist | UserPlaylist):
source_type = "playlist"
source_id = str(media.id) if hasattr(media, "id") else None
source_name = media.name if hasattr(media, "name") else None
elif isinstance(media, Mix):
source_type = "mix"
source_id = str(media.id)
source_name = media.title
elif isinstance(media, Track):
if hasattr(media, "album") and media.album:
source_type = "album"
source_id = str(media.album.id)
source_name = media.album.name
else:
source_type = "track"
source_id = str(media.id)
source_name = media.name
if isinstance(media, Track | Video):
result_dl, path_file = dl.item(
media=media,
file_template=file_template,
download_delay=delay_track,
quality_audio=quality_audio,
quality_video=quality_video,
source_type=source_type,
source_id=source_id,
source_name=source_name,
)
elif isinstance(media, Album | Playlist | Mix):
dl.items(
media=media,
file_template=file_template,
video_download=self.settings.data.video_download,
download_delay=self.settings.data.download_delay,
quality_audio=quality_audio,
quality_video=quality_video,
source_type=source_type,
source_id=source_id,
source_name=source_name,
)
result_dl = True
path_file = "dummy"
self.s_statusbar_message.emit(StatusbarMessage(message="Download finished.", timeout=2000))
if result_dl and path_file:
result = QueueDownloadStatus.Finished
elif not result_dl and path_file:
result = QueueDownloadStatus.Skipped
else:
result = QueueDownloadStatus.Failed
return result
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