zulip/zerver/actions/typing.py

102 lines
3.6 KiB
Python

from django.conf import settings
from django.utils.translation import gettext as _
from zerver.lib.exceptions import JsonableError
from zerver.lib.stream_subscription import get_active_subscriptions_for_stream_id
from zerver.models import Realm, Stream, UserProfile
from zerver.models.users import get_user_by_id_in_realm_including_cross_realm
from zerver.tornado.django_api import send_event_rollback_unsafe
def do_send_typing_notification(
realm: Realm, sender: UserProfile, recipient_user_profiles: list[UserProfile], operator: str
) -> None:
sender_dict = {"user_id": sender.id, "email": sender.email}
# Include a list of recipients in the event body to help identify where the typing is happening
recipient_dicts = [
{"user_id": profile.id, "email": profile.email} for profile in recipient_user_profiles
]
event = dict(
type="typing",
message_type="direct",
op=operator,
sender=sender_dict,
recipients=recipient_dicts,
)
# Only deliver the notification to active user recipients
user_ids_to_notify = [
user.id
for user in recipient_user_profiles
if user.is_active and user.receives_typing_notifications
]
send_event_rollback_unsafe(realm, event, user_ids_to_notify)
# check_send_typing_notification:
# Checks the typing notification and sends it
def check_send_typing_notification(sender: UserProfile, user_ids: list[int], operator: str) -> None:
realm = sender.realm
if sender.id not in user_ids:
user_ids.append(sender.id)
# If any of the user_ids being sent in are invalid, we will
# just reject the whole request, since a partial list of user_ids
# can create confusion related to direct message groups. Plus it's
# a good sign that a client is confused (or possibly even malicious)
# if we get bad user_ids.
user_profiles = []
for user_id in user_ids:
try:
# We include cross-bot realms as possible recipients,
# so that clients can know which direct message group
# conversation is relevant here.
user_profile = get_user_by_id_in_realm_including_cross_realm(user_id, sender.realm)
except UserProfile.DoesNotExist:
raise JsonableError(_("Invalid user ID {user_id}").format(user_id=user_id))
user_profiles.append(user_profile)
do_send_typing_notification(
realm=realm,
sender=sender,
recipient_user_profiles=user_profiles,
operator=operator,
)
def do_send_stream_typing_notification(
sender: UserProfile, operator: str, stream: Stream, topic_name: str
) -> None:
sender_dict = {"user_id": sender.id, "email": sender.email}
event = dict(
type="typing",
message_type="stream",
op=operator,
sender=sender_dict,
stream_id=stream.id,
topic=topic_name,
)
# We don't notify long_term_idle subscribers.
subscriptions_query = get_active_subscriptions_for_stream_id(
stream.id, include_deactivated_users=False
)
total_subscriptions = subscriptions_query.count()
if total_subscriptions > settings.MAX_STREAM_SIZE_FOR_TYPING_NOTIFICATIONS:
# TODO: Stream typing notifications are disabled in streams
# with too many subscribers for performance reasons.
return
user_ids_to_notify = set(
subscriptions_query.exclude(user_profile__long_term_idle=True)
.exclude(user_profile__receives_typing_notifications=False)
.values_list("user_profile_id", flat=True)
)
send_event_rollback_unsafe(sender.realm, event, user_ids_to_notify)