MatrixSynapse/synapse/storage/event_push_actions.py

120 lines
4.1 KiB
Python

# -*- coding: utf-8 -*-
# Copyright 2015 OpenMarket Ltd
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
from ._base import SQLBaseStore
from twisted.internet import defer
from synapse.util.caches.descriptors import cachedInlineCallbacks
import logging
import ujson as json
logger = logging.getLogger(__name__)
class EventPushActionsStore(SQLBaseStore):
@defer.inlineCallbacks
def set_push_actions_for_event_and_users(self, event, tuples):
"""
:param event: the event set actions for
:param tuples: list of tuples of (user_id, profile_tag, actions)
"""
values = []
for uid, profile_tag, actions in tuples:
values.append({
'room_id': event.room_id,
'event_id': event.event_id,
'user_id': uid,
'profile_tag': profile_tag,
'actions': json.dumps(actions)
})
def f(txn):
for uid, _, __ in tuples:
txn.call_after(
self.get_unread_event_push_actions_by_room_for_user.invalidate_many,
(event.room_id, uid)
)
return self._simple_insert_many_txn(txn, "event_push_actions", values)
yield self.runInteraction(
"set_actions_for_event_and_users",
f,
)
@cachedInlineCallbacks(num_args=3, lru=True, tree=True)
def get_unread_event_push_actions_by_room_for_user(
self, room_id, user_id, last_read_event_id
):
def _get_unread_event_push_actions_by_room(txn):
sql = (
"SELECT stream_ordering, topological_ordering"
" FROM events"
" WHERE room_id = ? AND event_id = ?"
)
txn.execute(
sql, (room_id, last_read_event_id)
)
results = txn.fetchall()
if len(results) == 0:
return []
stream_ordering = results[0][0]
topological_ordering = results[0][1]
sql = (
"SELECT ea.event_id, ea.actions"
" FROM event_push_actions ea, events e"
" WHERE ea.room_id = e.room_id"
" AND ea.event_id = e.event_id"
" AND ea.user_id = ?"
" AND ea.room_id = ?"
" AND ("
" e.topological_ordering > ?"
" OR (e.topological_ordering = ? AND e.stream_ordering > ?)"
")"
)
txn.execute(sql, (
user_id, room_id,
topological_ordering, topological_ordering, stream_ordering
)
)
return [
{"event_id": row[0], "actions": json.loads(row[1])}
for row in txn.fetchall()
]
ret = yield self.runInteraction(
"get_unread_event_push_actions_by_room",
_get_unread_event_push_actions_by_room
)
defer.returnValue(ret)
@defer.inlineCallbacks
def remove_push_actions_for_event_id(self, room_id, event_id):
def f(txn):
# Sad that we have to blow away the cache for the whole room here
txn.call_after(
self.get_unread_event_push_actions_by_room_for_user.invalidate_many,
(room_id,)
)
txn.execute(
"DELETE FROM event_push_actions WHERE room_id = ? AND event_id = ?",
(room_id, event_id)
)
yield self.runInteraction(
"remove_push_actions_for_event_id",
f
)