mirror of
https://git.anonymousland.org/anonymousland/synapse.git
synced 2024-10-01 11:49:51 -04:00
62 lines
2.4 KiB
Python
62 lines
2.4 KiB
Python
|
# -*- coding: utf-8 -*-
|
||
|
|
# Copyright 2016 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 BaseSlavedStore
|
||
|
|
from ._slaved_id_tracker import SlavedIdTracker
|
||
|
|
|
||
|
|
from synapse.storage import DataStore
|
||
|
|
from synapse.storage.receipts import ReceiptsStore
|
||
|
|
|
||
|
|
# So, um, we want to borrow a load of functions intended for reading from
|
||
|
|
# a DataStore, but we don't want to take functions that either write to the
|
||
|
|
# DataStore or are cached and don't have cache invalidation logic.
|
||
|
|
#
|
||
|
|
# Rather than write duplicate versions of those functions, or lift them to
|
||
|
|
# a common base class, we going to grab the underlying __func__ object from
|
||
|
|
# the method descriptor on the DataStore and chuck them into our class.
|
||
|
|
|
||
|
|
|
||
|
|
class SlavedReceiptsStore(BaseSlavedStore):
|
||
|
|
|
||
|
|
def __init__(self, db_conn, hs):
|
||
|
|
super(SlavedReceiptsStore, self).__init__(db_conn, hs)
|
||
|
|
|
||
|
|
self._receipts_id_gen = SlavedIdTracker(
|
||
|
|
db_conn, "receipts_linearized", "stream_id"
|
||
|
|
)
|
||
|
|
|
||
|
|
get_receipts_for_user = ReceiptsStore.__dict__["get_receipts_for_user"]
|
||
|
|
|
||
|
|
get_max_receipt_stream_id = DataStore.get_max_receipt_stream_id.__func__
|
||
|
|
get_all_updated_receipts = DataStore.get_all_updated_receipts.__func__
|
||
|
|
|
||
|
|
def stream_positions(self):
|
||
|
|
result = super(SlavedReceiptsStore, self).stream_positions()
|
||
|
|
result["receipts"] = self._receipts_id_gen.get_current_token()
|
||
|
|
return result
|
||
|
|
|
||
|
|
def process_replication(self, result):
|
||
|
|
stream = result.get("receipts")
|
||
|
|
if stream:
|
||
|
|
self._receipts_id_gen.advance(stream["position"])
|
||
|
|
for row in stream["rows"]:
|
||
|
|
room_id, receipt_type, user_id = row[1:4]
|
||
|
|
self.invalidate_caches_for_receipt(room_id, receipt_type, user_id)
|
||
|
|
|
||
|
|
return super(SlavedReceiptsStore, self).process_replication(result)
|
||
|
|
|
||
|
|
def invalidate_caches_for_receipt(self, room_id, receipt_type, user_id):
|
||
|
|
self.get_receipts_for_user.invalidate((user_id, receipt_type))
|