mirror of https://github.com/zulip/zulip.git
103 lines
3.8 KiB
Python
103 lines
3.8 KiB
Python
from typing import Any, Dict, List, Tuple
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from django.db.models.query import QuerySet
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from zerver.models import (
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Recipient,
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Stream,
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Subscription,
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UserProfile,
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)
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def get_active_subscriptions_for_stream_id(stream_id: int) -> QuerySet:
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# TODO: Change return type to QuerySet[Subscription]
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return Subscription.objects.filter(
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recipient__type=Recipient.STREAM,
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recipient__type_id=stream_id,
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active=True,
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)
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def get_active_subscriptions_for_stream_ids(stream_ids: List[int]) -> QuerySet:
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# TODO: Change return type to QuerySet[Subscription]
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return Subscription.objects.filter(
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recipient__type=Recipient.STREAM,
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recipient__type_id__in=stream_ids,
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active=True
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)
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def get_subscribed_stream_ids_for_user(user_profile: UserProfile) -> QuerySet:
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return Subscription.objects.filter(
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user_profile_id=user_profile,
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recipient__type=Recipient.STREAM,
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active=True,
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).values_list('recipient__type_id', flat=True)
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def get_stream_subscriptions_for_user(user_profile: UserProfile) -> QuerySet:
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# TODO: Change return type to QuerySet[Subscription]
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return Subscription.objects.filter(
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user_profile=user_profile,
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recipient__type=Recipient.STREAM,
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)
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def get_stream_subscriptions_for_users(user_profiles: List[UserProfile]) -> QuerySet:
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# TODO: Change return type to QuerySet[Subscription]
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return Subscription.objects.filter(
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user_profile__in=user_profiles,
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recipient__type=Recipient.STREAM,
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)
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def get_bulk_stream_subscriber_info(
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user_profiles: List[UserProfile],
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stream_dict: Dict[int, Stream]) -> Dict[int, List[Tuple[Subscription, Stream]]]:
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stream_ids = stream_dict.keys()
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result: Dict[int, List[Tuple[Subscription, Stream]]] = {
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user_profile.id: []
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for user_profile in user_profiles
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}
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subs = Subscription.objects.filter(
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user_profile__in=user_profiles,
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recipient__type=Recipient.STREAM,
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recipient__type_id__in=stream_ids,
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active=True,
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).select_related('user_profile', 'recipient')
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for sub in subs:
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user_profile_id = sub.user_profile_id
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stream_id = sub.recipient.type_id
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stream = stream_dict[stream_id]
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result[user_profile_id].append((sub, stream))
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return result
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def num_subscribers_for_stream_id(stream_id: int) -> int:
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return get_active_subscriptions_for_stream_id(stream_id).filter(
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user_profile__is_active=True,
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).count()
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def handle_stream_notifications_compatibility(user_profile: UserProfile,
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stream_dict: Dict[str, Any],
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notification_settings_null: bool) -> None:
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# Old versions of the mobile apps don't support `None` as a
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# value for the stream-level notifications properties, so we
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# have to handle the normally frontend-side defaults for these
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# settings here for those older clients.
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#
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# Note that this situation results in these older mobile apps
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# having a subtle bug where changes to the user-level stream
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# notification defaults will not properly propagate to the
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# mobile app "stream notification settings" UI until the app
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# re-registers. This is an acceptable level of
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# backwards-compatibility problem in our view.
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assert not notification_settings_null
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for notification_type in ["desktop_notifications", "audible_notifications",
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"push_notifications", "email_notifications"]:
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# Values of true/false are supported by older clients.
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if stream_dict[notification_type] is not None:
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continue
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target_attr = "enable_stream_" + notification_type
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stream_dict[notification_type] = getattr(user_profile, target_attr)
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