ytsm/YtManagerApp/management/management.py

115 lines
3.9 KiB
Python

from apscheduler.schedulers.background import BackgroundScheduler
from YtManagerApp.models import SubscriptionFolder, Subscription, Video, Channel
from YtManagerApp.utils.youtube import YoutubeAPI, YoutubeChannelInfo
class FolderManager(object):
@staticmethod
def create_or_edit(fid, name, parent_id):
# Create or edit
if fid == '#':
folder = SubscriptionFolder()
else:
folder = SubscriptionFolder.objects.get(id=int(fid))
# Set attributes
folder.name = name
if parent_id == '#':
folder.parent = None
else:
folder.parent = SubscriptionFolder.objects.get(id=int(parent_id))
FolderManager.__validate(folder)
folder.save()
@staticmethod
def __validate(folder: SubscriptionFolder):
# Make sure folder name is unique in the parent folder
for dbFolder in SubscriptionFolder.objects.filter(parent_id=folder.parent_id):
if dbFolder.id != folder.id and dbFolder.name == folder.name:
raise ValueError('Folder name is not unique!')
# Prevent parenting loops
current = folder
visited = []
while not (current is None):
if current in visited:
raise ValueError('Parenting cycle detected!')
visited.append(current)
current = current.parent
@staticmethod
def delete(fid: int):
folder = SubscriptionFolder.objects.get(id=fid)
folder.delete()
@staticmethod
def list_videos(fid: int):
folder = SubscriptionFolder.objects.get(id=fid)
folder_list = []
queue = [folder]
while len(queue) > 0:
folder = queue.pop()
folder_list.append(folder)
queue.extend(SubscriptionFolder.objects.filter(parent=folder))
return Video.objects.filter(subscription__parent_folder__in=folder_list).order_by('-publish_date')
class SubscriptionManager(object):
__scheduler = BackgroundScheduler()
@staticmethod
def create_or_edit(sid, url, name, parent_id):
# Create or edit
if sid == '#':
SubscriptionManager.create(url, parent_id, YoutubeAPI.build_public())
else:
sub = Subscription.objects.get(id=int(sid))
sub.name = name
if parent_id == '#':
sub.parent_folder = None
else:
sub.parent_folder = SubscriptionFolder.objects.get(id=int(parent_id))
sub.save()
@staticmethod
def create(url, parent_id, yt_api: YoutubeAPI):
sub = Subscription()
# Set parent
if parent_id == '#':
sub.parent_folder = None
else:
sub.parent_folder = SubscriptionFolder.objects.get(id=int(parent_id))
# Pull information about the channel and playlist
url_type, url_id = yt_api.parse_channel_url(url)
if url_type == 'playlist_id':
info_playlist = yt_api.get_playlist_info(url_id)
channel = SubscriptionManager.__get_or_create_channel('channel_id', info_playlist.getChannelId(), yt_api)
sub.name = info_playlist.getTitle()
sub.playlist_id = info_playlist.getId()
sub.description = info_playlist.getDescription()
sub.channel = channel
sub.icon_default = info_playlist.getDefaultThumbnailUrl()
sub.icon_best = info_playlist.getBestThumbnailUrl()
else:
channel = SubscriptionManager.__get_or_create_channel(url_type, url_id, yt_api)
# No point in getting the 'uploads' playlist info
sub.name = channel.name
sub.playlist_id = channel.upload_playlist_id
sub.description = channel.description
sub.channel = channel
sub.icon_default = channel.icon_default
sub.icon_best = channel.icon_best
sub.save()