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# -*- coding: utf-8 -*-
# Copyright 2014 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 collections import namedtuple
RoomAliasMapping = namedtuple(
"RoomAliasMapping",
("room_id", "room_alias", "servers",)
)
class DirectoryStore(SQLBaseStore):
@defer.inlineCallbacks
def get_association_from_room_alias(self, room_alias):
""" Get's the room_id and server list for a given room_alias
Args:
room_alias (RoomAlias)
Returns:
Deferred: results in namedtuple with keys "room_id" and
"servers" or None if no association can be found
"""
room_id = yield self._simple_select_one_onecol(
"room_aliases",
{"room_alias": room_alias.to_string()},
"room_id",
allow_none=True,
)
if not room_id:
defer.returnValue(None)
return
servers = yield self._simple_select_onecol(
"room_alias_servers",
{"room_alias": room_alias.to_string()},
"server",
)
if not servers:
defer.returnValue(None)
return
defer.returnValue(
RoomAliasMapping(room_id, room_alias.to_string(), servers)
)
@defer.inlineCallbacks
def create_room_alias_association(self, room_alias, room_id, servers):
""" Creates an associatin between a room alias and room_id/servers
Args:
room_alias (RoomAlias)
room_id (str)
servers (list)
Returns:
Deferred
"""
yield self._simple_insert(
"room_aliases",
{
"room_alias": room_alias.to_string(),
"room_id": room_id,
},
)
for server in servers:
# TODO(erikj): Fix this to bulk insert
yield self._simple_insert(
"room_alias_servers",
{
"room_alias": room_alias.to_string(),
"server": server,
}
)
def delete_room_alias(self, room_alias):
return self.runInteraction(
"delete_room_alias",
self._delete_room_alias_txn,
room_alias,
)
def _delete_room_alias_txn(self, txn, room_alias):
cursor = txn.execute(
"SELECT room_id FROM room_aliases WHERE room_alias = ?",
(room_alias.to_string(),)
)
res = cursor.fetchone()
if res:
room_id = res[0]
else:
return None
txn.execute(
"DELETE FROM room_aliases WHERE room_alias = ?",
(room_alias.to_string(),)
)
txn.execute(
"DELETE FROM room_alias_servers WHERE room_alias = ?",
(room_alias.to_string(),)
)
return room_id
def get_aliases_for_room(self, room_id):
return self._simple_select_onecol(
"room_aliases",
{"room_id": room_id},
"room_alias",
)
|
