old_contents: # -*- coding: utf-8 -*-
  # Copyright 2015, 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 synapse.storage import DataStore
  from ._slaved_id_tracker import SlavedIdTracker
  
  
  class RoomStore(BaseSlavedStore):
      def __init__(self, db_conn, hs):
          super(RoomStore, self).__init__(db_conn, hs)
          self._public_room_id_gen = SlavedIdTracker(
              db_conn, "public_room_list_stream", "stream_id"
          )
  
      get_public_room_ids = DataStore.get_public_room_ids.__func__
      get_current_public_room_stream_id = (
          DataStore.get_current_public_room_stream_id.__func__
      )
      get_public_room_ids_at_stream_id = (
          DataStore.get_public_room_ids_at_stream_id.__func__
      )
      get_public_room_ids_at_stream_id_txn = (
          DataStore.get_public_room_ids_at_stream_id_txn.__func__
      )
      get_published_at_stream_id_txn = (
          DataStore.get_published_at_stream_id_txn.__func__
      )
  
      def stream_positions(self):
          result = super(RoomStore, self).stream_positions()
          result["public_rooms"] = self._public_room_id_gen.get_current_token()
          return result
  
      def process_replication(self, result):
          stream = result.get("public_rooms")
          if stream:
              self._public_room_id_gen.advance(int(stream["position"]))
  
          return super(RoomStore, self).process_replication(result)
  
new_contents: # -*- coding: utf-8 -*-
  # Copyright 2015, 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 synapse.storage import DataStore
  from ._slaved_id_tracker import SlavedIdTracker
  
  
  class RoomStore(BaseSlavedStore):
      def __init__(self, db_conn, hs):
          super(RoomStore, self).__init__(db_conn, hs)
          self._public_room_id_gen = SlavedIdTracker(
              db_conn, "public_room_list_stream", "stream_id"
          )
  
      get_public_room_ids = DataStore.get_public_room_ids.__func__
      get_current_public_room_stream_id = (
          DataStore.get_current_public_room_stream_id.__func__
      )
      get_public_room_ids_at_stream_id = (
          DataStore.get_public_room_ids_at_stream_id.__func__
      )
      get_public_room_ids_at_stream_id_txn = (
          DataStore.get_public_room_ids_at_stream_id_txn.__func__
      )
      get_published_at_stream_id_txn = (
          DataStore.get_published_at_stream_id_txn.__func__
      )
      get_public_room_changes = DataStore.get_public_room_changes.__func__
  
      def stream_positions(self):
          result = super(RoomStore, self).stream_positions()
          result["public_rooms"] = self._public_room_id_gen.get_current_token()
          return result
  
      def process_replication(self, result):
          stream = result.get("public_rooms")
          if stream:
              self._public_room_id_gen.advance(int(stream["position"]))
  
          return super(RoomStore, self).process_replication(result)
  
subject: Fix public room pagination for client_reader app