ytsm/app/YtManagerApp/management/videos.py
2020-04-11 00:42:44 +03:00

58 lines
2.0 KiB
Python

import re
from typing import Optional
from django.contrib.auth.models import User
from django.db.models import Q
from YtManagerApp.models import Subscription, Video, SubscriptionFolder
def get_videos(user: User,
sort_order: Optional[str],
query: Optional[str] = None,
subscription_id: Optional[int] = None,
folder_id: Optional[int] = None,
only_watched: Optional[bool] = None,
only_downloaded: Optional[bool] = None,
):
filter_args = []
filter_kwargs = {
'subscription__user': user
}
# Process query string - basically, we break it down into words,
# and then search for the given text in the name, description, uploader name and subscription name
if query is not None:
for match in re.finditer(r'\w+', query):
word = match[0]
filter_args.append(Q(name__icontains=word)
| Q(description__icontains=word)
| Q(uploader_name__icontains=word)
| Q(subscription__name__icontains=word))
# Subscription id
if subscription_id is not None:
filter_kwargs['subscription_id'] = subscription_id
# Folder id
if folder_id is not None:
# Visit function - returns only the subscription IDs
def visit(node):
if isinstance(node, Subscription):
return node.id
return None
filter_kwargs['subscription_id__in'] = SubscriptionFolder.traverse(folder_id, user, visit)
# Only watched
if only_watched is not None:
filter_kwargs['watched'] = only_watched
# Only downloaded
# - not downloaded (False) -> is null (True)
# - downloaded (True) -> is not null (False)
if only_downloaded is not None:
filter_kwargs['downloaded_path__isnull'] = not only_downloaded
return Video.objects.filter(*filter_args, **filter_kwargs).order_by(sort_order)