249 lines
9.0 KiB
Python
249 lines
9.0 KiB
Python
# -*- coding: utf-8 -*-
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# Copyright 2014-2016 OpenMarket Ltd
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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from ._base import SQLBaseStore
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from synapse.api.constants import PresenceState
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from synapse.util.caches.descriptors import cached, cachedInlineCallbacks
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from collections import namedtuple
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from twisted.internet import defer
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class UserPresenceState(namedtuple("UserPresenceState",
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("user_id", "state", "last_active_ts",
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"last_federation_update_ts", "last_user_sync_ts",
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"status_msg", "currently_active"))):
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"""Represents the current presence state of the user.
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user_id (str)
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last_active (int): Time in msec that the user last interacted with server.
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last_federation_update (int): Time in msec since either a) we sent a presence
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update to other servers or b) we received a presence update, depending
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on if is a local user or not.
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last_user_sync (int): Time in msec that the user last *completed* a sync
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(or event stream).
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status_msg (str): User set status message.
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"""
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def copy_and_replace(self, **kwargs):
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return self._replace(**kwargs)
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@classmethod
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def default(cls, user_id):
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"""Returns a default presence state.
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"""
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return cls(
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user_id=user_id,
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state=PresenceState.OFFLINE,
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last_active_ts=0,
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last_federation_update_ts=0,
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last_user_sync_ts=0,
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status_msg=None,
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currently_active=False,
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)
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class PresenceStore(SQLBaseStore):
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@defer.inlineCallbacks
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def update_presence(self, presence_states):
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stream_ordering_manager = self._presence_id_gen.get_next_mult(
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len(presence_states)
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)
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with stream_ordering_manager as stream_orderings:
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yield self.runInteraction(
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"update_presence",
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self._update_presence_txn, stream_orderings, presence_states,
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)
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defer.returnValue((
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stream_orderings[-1], self._presence_id_gen.get_current_token()
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))
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def _update_presence_txn(self, txn, stream_orderings, presence_states):
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for stream_id, state in zip(stream_orderings, presence_states):
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txn.call_after(
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self.presence_stream_cache.entity_has_changed,
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state.user_id, stream_id,
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)
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# Actually insert new rows
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self._simple_insert_many_txn(
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txn,
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table="presence_stream",
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values=[
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{
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"stream_id": stream_id,
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"user_id": state.user_id,
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"state": state.state,
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"last_active_ts": state.last_active_ts,
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"last_federation_update_ts": state.last_federation_update_ts,
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"last_user_sync_ts": state.last_user_sync_ts,
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"status_msg": state.status_msg,
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"currently_active": state.currently_active,
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}
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for state in presence_states
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],
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)
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# Delete old rows to stop database from getting really big
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sql = (
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"DELETE FROM presence_stream WHERE"
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" stream_id < ?"
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" AND user_id IN (%s)"
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)
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batches = (
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presence_states[i:i + 50]
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for i in xrange(0, len(presence_states), 50)
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)
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for states in batches:
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args = [stream_id]
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args.extend(s.user_id for s in states)
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txn.execute(
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sql % (",".join("?" for _ in states),),
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args
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)
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def get_all_presence_updates(self, last_id, current_id):
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def get_all_presence_updates_txn(txn):
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sql = (
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"SELECT stream_id, user_id, state, last_active_ts,"
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" last_federation_update_ts, last_user_sync_ts, status_msg,"
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" currently_active"
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" FROM presence_stream"
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" WHERE ? < stream_id AND stream_id <= ?"
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)
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txn.execute(sql, (last_id, current_id))
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return txn.fetchall()
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return self.runInteraction(
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"get_all_presence_updates", get_all_presence_updates_txn
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)
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@defer.inlineCallbacks
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def get_presence_for_users(self, user_ids):
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rows = yield self._simple_select_many_batch(
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table="presence_stream",
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column="user_id",
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iterable=user_ids,
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keyvalues={},
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retcols=(
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"user_id",
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"state",
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"last_active_ts",
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"last_federation_update_ts",
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"last_user_sync_ts",
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"status_msg",
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"currently_active",
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),
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desc="get_presence_for_users",
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)
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for row in rows:
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row["currently_active"] = bool(row["currently_active"])
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defer.returnValue([UserPresenceState(**row) for row in rows])
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def get_current_presence_token(self):
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return self._presence_id_gen.get_current_token()
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def allow_presence_visible(self, observed_localpart, observer_userid):
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return self._simple_insert(
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table="presence_allow_inbound",
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values={"observed_user_id": observed_localpart,
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"observer_user_id": observer_userid},
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desc="allow_presence_visible",
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or_ignore=True,
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)
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def disallow_presence_visible(self, observed_localpart, observer_userid):
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return self._simple_delete_one(
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table="presence_allow_inbound",
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keyvalues={"observed_user_id": observed_localpart,
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"observer_user_id": observer_userid},
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desc="disallow_presence_visible",
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)
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def add_presence_list_pending(self, observer_localpart, observed_userid):
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return self._simple_insert(
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table="presence_list",
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values={"user_id": observer_localpart,
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"observed_user_id": observed_userid,
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"accepted": False},
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desc="add_presence_list_pending",
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)
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@defer.inlineCallbacks
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def set_presence_list_accepted(self, observer_localpart, observed_userid):
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result = yield self._simple_update_one(
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table="presence_list",
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keyvalues={"user_id": observer_localpart,
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"observed_user_id": observed_userid},
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updatevalues={"accepted": True},
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desc="set_presence_list_accepted",
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)
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self.get_presence_list_accepted.invalidate((observer_localpart,))
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self.get_presence_list_observers_accepted.invalidate((observed_userid,))
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defer.returnValue(result)
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def get_presence_list(self, observer_localpart, accepted=None):
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if accepted:
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return self.get_presence_list_accepted(observer_localpart)
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else:
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keyvalues = {"user_id": observer_localpart}
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if accepted is not None:
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keyvalues["accepted"] = accepted
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return self._simple_select_list(
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table="presence_list",
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keyvalues=keyvalues,
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retcols=["observed_user_id", "accepted"],
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desc="get_presence_list",
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)
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@cached()
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def get_presence_list_accepted(self, observer_localpart):
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return self._simple_select_list(
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table="presence_list",
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keyvalues={"user_id": observer_localpart, "accepted": True},
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retcols=["observed_user_id", "accepted"],
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desc="get_presence_list_accepted",
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)
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@cachedInlineCallbacks()
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def get_presence_list_observers_accepted(self, observed_userid):
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user_localparts = yield self._simple_select_onecol(
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table="presence_list",
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keyvalues={"observed_user_id": observed_userid, "accepted": True},
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retcol="user_id",
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desc="get_presence_list_accepted",
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)
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defer.returnValue([
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"@%s:%s" % (u, self.hs.hostname,) for u in user_localparts
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])
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@defer.inlineCallbacks
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def del_presence_list(self, observer_localpart, observed_userid):
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yield self._simple_delete_one(
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table="presence_list",
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keyvalues={"user_id": observer_localpart,
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"observed_user_id": observed_userid},
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desc="del_presence_list",
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)
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self.get_presence_list_accepted.invalidate((observer_localpart,))
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self.get_presence_list_observers_accepted.invalidate((observed_userid,))
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