151 lines
5.3 KiB
Python
151 lines
5.3 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 twisted.internet import defer
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from synapse.storage._base import SQLBaseStore, make_in_list_sql_clause
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from synapse.storage.presence import UserPresenceState
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from synapse.util import batch_iter
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from synapse.util.caches.descriptors import cached, cachedList
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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.db.runInteraction(
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"update_presence",
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self._update_presence_txn,
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stream_orderings,
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presence_states,
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)
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return stream_orderings[-1], self._presence_id_gen.get_current_token()
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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, state.user_id, stream_id
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)
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txn.call_after(self._get_presence_for_user.invalidate, (state.user_id,))
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# Actually insert new rows
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self.db.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 = "DELETE FROM presence_stream WHERE stream_id < ? AND "
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for states in batch_iter(presence_states, 50):
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clause, args = make_in_list_sql_clause(
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self.database_engine, "user_id", [s.user_id for s in states]
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)
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txn.execute(sql + clause, [stream_id] + list(args))
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def get_all_presence_updates(self, last_id, current_id):
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if last_id == current_id:
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return defer.succeed([])
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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.db.runInteraction(
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"get_all_presence_updates", get_all_presence_updates_txn
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)
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@cached()
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def _get_presence_for_user(self, user_id):
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raise NotImplementedError()
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@cachedList(
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cached_method_name="_get_presence_for_user",
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list_name="user_ids",
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num_args=1,
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inlineCallbacks=True,
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)
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def get_presence_for_users(self, user_ids):
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rows = yield self.db.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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return {row["user_id"]: 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.db.simple_insert(
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table="presence_allow_inbound",
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values={
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"observed_user_id": observed_localpart,
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"observer_user_id": observer_userid,
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},
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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.db.simple_delete_one(
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table="presence_allow_inbound",
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keyvalues={
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"observed_user_id": observed_localpart,
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"observer_user_id": observer_userid,
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},
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desc="disallow_presence_visible",
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)
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