return per_request_display_recipient_cache[recipient_id]
def get_display_recipient(recipient):
return get_display_recipient_by_id(
recipient.id,
recipient.type,
recipient.type_id
)
def flush_per_request_caches():
global per_request_display_recipient_cache
per_request_display_recipient_cache = {}
global per_request_realm_filters_cache
per_request_realm_filters_cache = {}
@cache_with_key(lambda *args: display_recipient_cache_key(args[0]),
timeout=3600*24*7)
def get_display_recipient_memcached(recipient_id, recipient_type, recipient_type_id):
"""
returns: an appropriate object describing the recipient. For a
stream this will be the stream name as a string. For a huddle or
personal, it will be an array of dicts about each recipient.
"""
if recipient_type == Recipient.STREAM:
stream = Stream.objects.get(id=recipient_type_id)
return stream.name
# We don't really care what the ordering is, just that it's deterministic.
user_profile_list = (UserProfile.objects.filter(subscription__recipient_id=recipient_id)
.select_related()
.order_by('email'))
def do_rename_stream(stream: Stream, new_name: str, user_profile: UserProfile) -> Dict[str, str]:
old_name = stream.name
stream.name = new_name
stream.save(update_fields=["name"])
RealmAuditLog.objects.create(
realm=stream.realm,
acting_user=user_profile,
modified_stream=stream,
event_type=RealmAuditLog.STREAM_NAME_CHANGED,
event_time=timezone_now(),
extra_data=orjson.dumps(
{
RealmAuditLog.OLD_VALUE: old_name,
RealmAuditLog.NEW_VALUE: new_name,
}
).decode(),
)
recipient_id = stream.recipient_id
messages = Message.objects.filter(recipient_id=recipient_id).only("id")
# Update the display recipient and stream, which are easy single
# items to set.
old_cache_key = get_stream_cache_key(old_name, stream.realm_id)
new_cache_key = get_stream_cache_key(stream.name, stream.realm_id)
if old_cache_key != new_cache_key:
cache_delete(old_cache_key)
cache_set(new_cache_key, stream)
cache_set(display_recipient_cache_key(recipient_id), stream.name)
# Delete cache entries for everything else, which is cheaper and
# clearer than trying to set them. display_recipient is the out of
# date field in all cases.
cache_delete_many(to_dict_cache_key_id(message.id) for message in messages)
new_email = encode_email_address(stream, show_sender=True)
# We will tell our users to essentially
# update stream.name = new_name where name = old_name
# and update stream.email = new_email where name = old_name.
# We could optimize this by trying to send one message, but the
# client code really wants one property update at a time, and
# updating stream names is a pretty infrequent operation.
# More importantly, we want to key these updates by id, not name,
# since id is the immutable primary key, and obviously name is not.
data_updates = [
["email_address", new_email],
["name", new_name],
]
for property, value in data_updates:
event = dict(
op="update",
type="stream",
property=property,
value=value,
stream_id=stream.id,
name=old_name,
)
send_event(stream.realm, event, can_access_stream_user_ids(stream))
sender = get_system_bot(settings.NOTIFICATION_BOT, stream.realm_id)
with override_language(stream.realm.default_language):
internal_send_stream_message(
sender,
stream,
Realm.STREAM_EVENTS_NOTIFICATION_TOPIC,
_("{user_name} renamed stream {old_stream_name} to {new_stream_name}.").format(
user_name=silent_mention_syntax_for_user(user_profile),
old_stream_name=f"**{old_name}**",
new_stream_name=f"**{new_name}**",
),
)
# Even though the token doesn't change, the web client needs to update the
# email forwarding address to display the correctly-escaped new name.
return {"email_address": new_email}
return per_request_display_recipient_cache[recipient_id]
def get_display_recipient(recipient):
return get_display_recipient_by_id(recipient.id, recipient.type,
recipient.type_id)
def flush_per_request_caches():
global per_request_display_recipient_cache
per_request_display_recipient_cache = {}
global per_request_realm_filters_cache
per_request_realm_filters_cache = {}
@cache_with_key(lambda *args: display_recipient_cache_key(args[0]),
timeout=3600 * 24 * 7)
def get_display_recipient_memcached(recipient_id, recipient_type,
recipient_type_id):
"""
returns: an appropriate object describing the recipient. For a
stream this will be the stream name as a string. For a huddle or
personal, it will be an array of dicts about each recipient.
"""
if recipient_type == Recipient.STREAM:
stream = Stream.objects.get(id=recipient_type_id)
return stream.name
# We don't really care what the ordering is, just that it's deterministic.
user_profile_list = (UserProfile.objects.filter(
subscription__recipient_id=recipient_id).select_related().order_by(
def get_display_recipient_cache_key(recipient_id: int, recipient_type: int,
recipient_type_id: Optional[int]) -> str:
return display_recipient_cache_key(recipient_id)
