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	Fixes #2665. Regenerated by tabbott with `lint --fix` after a rebase and change in parameters. Note from tabbott: In a few cases, this converts technical debt in the form of unsorted imports into different technical debt in the form of our largest files having very long, ugly import sequences at the start. I expect this change will increase pressure for us to split those files, which isn't a bad thing. Signed-off-by: Anders Kaseorg <anders@zulip.com>
		
			
				
	
	
		
			100 lines
		
	
	
		
			3.7 KiB
		
	
	
	
		
			Python
		
	
	
	
	
	
			
		
		
	
	
			100 lines
		
	
	
		
			3.7 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 Recipient, Stream, Subscription, UserProfile
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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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