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muting: Fix a race in topic unmuting. 

Rather than check if the topic exists and then try to delete it, just
try to delete it, and catch the lack of matching rows.
This commit is contained in:
Alex Vandiver 2022-01-17 14:51:16 -08:00 committed by Tim Abbott
parent 6bc5849ea8
commit 915c2b2fd9
2 changed files with 5 additions and 4 deletions
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6
zerver/lib/actions.py
View File

@ -230,6 +230,7 @@ from zerver.models import (
UserPresence,
UserProfile,
UserStatus,
UserTopic,
active_non_guest_user_ids,
active_user_ids,
custom_profile_fields_for_realm,
@ -7781,7 +7782,10 @@ def do_mute_topic(
def do_unmute_topic(user_profile: UserProfile, stream: Stream, topic: str) -> None:
remove_topic_mute(user_profile, stream.id, topic)
try:
remove_topic_mute(user_profile, stream.id, topic)
except UserTopic.DoesNotExist:
raise JsonableError(_("Topic is not muted"))
event = dict(type="muted_topics", muted_topics=get_topic_mutes(user_profile))
send_event(user_profile.realm, event, [user_profile.id])

3
zerver/views/muting.py
View File

@ -54,9 +54,6 @@ def unmute_topic(
assert stream_id is not None
stream = access_stream_for_unmute_topic_by_id(user_profile, stream_id, error)
if not topic_is_muted(user_profile, stream.id, topic_name):
raise JsonableError(error)
do_unmute_topic(user_profile, stream, topic_name)
return json_success()