zulip/zerver/lib/stream_topic.py

40 lines
1.1 KiB
Python

from typing import (Dict, List, Text, Set)
from django.db.models.query import QuerySet
from zerver.lib.stream_subscription import (
get_active_subscriptions_for_stream_id,
)
from zerver.models import (
MutedTopic,
)
class StreamTopicTarget(object):
'''
This class is designed to help us move to a
StreamTopic table or something similar. It isolates
places where we are are still using `subject` or
`topic_name` as a key into tables.
'''
def __init__(self, stream_id, topic_name):
# type: (int, Text) -> None
self.stream_id = stream_id
self.topic_name = topic_name
def user_ids_muting_topic(self):
# type: () -> Set[int]
query = MutedTopic.objects.filter(
stream_id=self.stream_id,
topic_name__iexact=self.topic_name,
).values(
'user_profile_id',
)
return {
row['user_profile_id']
for row in query
}
def get_active_subscriptions(self):
# type: () -> QuerySet
return get_active_subscriptions_for_stream_id(self.stream_id)