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Make a deleted stream actually appear deleted from the perspective of users.

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In particular, make the stream history inaccessible and free up the
name to be re-used.

(imported from commit 6063b7a484ed0ba0279a17d2b3e9a92b5ef1f762)
This commit is contained in:
Jessica McKellar 2014-01-24 13:08:39 -05:00
parent 99d58fe8b5
commit ac06d8870f
1 changed files with 28 additions and 1 deletions
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29
zerver/lib/actions.py
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@ -212,7 +212,34 @@ def do_deactivate_user(user_profile, log=True, _cascade=True):
def do_deactivate_stream(stream, log=True):
user_profiles = UserProfile.objects.filter(realm=stream.realm)
for user_profile in user_profiles:
do_remove_subscription(user_profile, stream)
do_remove_subscription(user_profile, stream)
stream.deactivated = True
stream.invite_only = True
# Preserve as much as possible the original stream name while giving it a
# special prefix that both indicates that the stream is deactivated and
# frees up the original name for reuse.
old_name = stream.name
new_name = ("!DEACTIVATED:" + old_name)[:Stream.MAX_NAME_LENGTH]
for i in range(20):
existing_deactivated_stream = get_stream(new_name, stream.realm)
if existing_deactivated_stream:
# This stream has alrady been deactivated, keep prepending !s until
# we have a unique stream name or you've hit a rename limit.
new_name = ("!" + new_name)[:Stream.MAX_NAME_LENGTH]
else:
break
# If you don't have a unique name at this point, this will fail later in the
# code path.
stream.name = new_name[:Stream.MAX_NAME_LENGTH]
stream.save()
# Remove the old stream information from memcached.
old_cache_key = get_stream_cache_key(old_name, stream.realm)
cache_delete(old_cache_key)
return
def do_change_user_email(user_profile, new_email):