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