forked-synapse/synapse/storage/room.py
2014-08-29 15:18:30 +01:00

245 lines
7.1 KiB
Python
Raw Blame History

This file contains invisible Unicode characters

This file contains invisible Unicode characters that are indistinguishable to humans but may be processed differently by a computer. If you think that this is intentional, you can safely ignore this warning. Use the Escape button to reveal them.

# -*- coding: utf-8 -*-
# Copyright 2014 matrix.org
#
# 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 twisted.internet import defer
from sqlite3 import IntegrityError
from synapse.api.errors import StoreError
from ._base import SQLBaseStore, Table
import collections
import logging
logger = logging.getLogger(__name__)
class RoomStore(SQLBaseStore):
@defer.inlineCallbacks
def store_room(self, room_id, room_creator_user_id, is_public):
"""Stores a room.
Args:
room_id (str): The desired room ID, can be None.
room_creator_user_id (str): The user ID of the room creator.
is_public (bool): True to indicate that this room should appear in
public room lists.
Raises:
StoreError if the room could not be stored.
"""
try:
yield self._simple_insert(RoomsTable.table_name, dict(
room_id=room_id,
creator=room_creator_user_id,
is_public=is_public
))
except IntegrityError:
raise StoreError(409, "Room ID in use.")
except Exception as e:
logger.error("store_room with room_id=%s failed: %s", room_id, e)
raise StoreError(500, "Problem creating room.")
def store_room_config(self, room_id, visibility):
return self._simple_update_one(
table=RoomsTable.table_name,
keyvalues={"room_id": room_id},
updatevalues={"is_public": visibility}
)
def get_room(self, room_id):
"""Retrieve a room.
Args:
room_id (str): The ID of the room to retrieve.
Returns:
A namedtuple containing the room information, or an empty list.
"""
query = RoomsTable.select_statement("room_id=?")
return self._execute(
RoomsTable.decode_single_result, query, room_id,
)
@defer.inlineCallbacks
def get_rooms(self, is_public):
"""Retrieve a list of all public rooms.
Args:
is_public (bool): True if the rooms returned should be public.
Returns:
A list of room dicts containing at least a "room_id" key, a
"topic" key if one is set, and a "name" key if one is set
"""
topic_subquery = (
"SELECT topics.event_id as event_id, "
"topics.room_id as room_id, topic "
"FROM topics "
"INNER JOIN current_state_events as c "
"ON c.event_id = topics.event_id "
)
name_subquery = (
"SELECT room_names.event_id as event_id, "
"room_names.room_id as room_id, name "
"FROM room_names "
"INNER JOIN current_state_events as c "
"ON c.event_id = room_names.event_id "
)
# We use non printing ascii character US () as a seperator
sql = (
"SELECT r.room_id, n.name, t.topic, "
"group_concat(a.room_alias, '') "
"FROM rooms AS r "
"LEFT JOIN (%(topic)s) AS t ON t.room_id = r.room_id "
"LEFT JOIN (%(name)s) AS n ON n.room_id = r.room_id "
"INNER JOIN room_aliases AS a ON a.room_id = r.room_id "
"WHERE r.is_public = ? "
"GROUP BY r.room_id "
) % {
"topic": topic_subquery,
"name": name_subquery,
}
rows = yield self._execute(None, sql, is_public)
ret = [
{
"room_id": r[0],
"name": r[1],
"topic": r[2],
"aliases": r[3].split(""),
}
for r in rows
]
defer.returnValue(ret)
@defer.inlineCallbacks
def get_room_join_rule(self, room_id):
sql = (
"SELECT join_rule FROM room_join_rules as r "
"INNER JOIN current_state_events as c "
"ON r.event_id = c.event_id "
"WHERE c.room_id = ? "
)
rows = yield self._execute(None, sql, room_id)
if len(rows) == 1:
defer.returnValue(rows[0][0])
else:
defer.returnValue(None)
@defer.inlineCallbacks
def get_power_level(self, room_id, user_id):
sql = (
"SELECT level FROM room_power_levels as r "
"INNER JOIN current_state_events as c "
"ON r.event_id = c.event_id "
"WHERE c.room_id = ? AND r.user_id = ? "
)
rows = yield self._execute(None, sql, room_id, user_id)
if len(rows) == 1:
defer.returnValue(rows[0][0])
return
sql = (
"SELECT level FROM room_default_levels as r "
"INNER JOIN current_state_events as c "
"ON r.event_id = c.event_id "
"WHERE c.room_id = ? "
)
rows = yield self._execute(None, sql, room_id)
if len(rows) == 1:
defer.returnValue(rows[0][0])
else:
defer.returnValue(None)
def _store_room_topic_txn(self, txn, event):
self._simple_insert_txn(
txn,
"topics",
{
"event_id": event.event_id,
"room_id": event.room_id,
"topic": event.topic,
}
)
def _store_room_name_txn(self, txn, event):
self._simple_insert_txn(
txn,
"room_names",
{
"event_id": event.event_id,
"room_id": event.room_id,
"name": event.name,
}
)
def _store_join_rule(txn, event):
self._simple_insert_txn(
txn,
"room_join_rules",
{
"event_id": event.event_id,
"room_id": event.room_id,
"join_rule": event.join_rule,
},
)
def _store_power_levels(txn, event):
for user_id, level in event.content:
self._simple_insert_txn(
txn,
"room_power_levels",
{
"event_id": event.event_id,
"room_id": event.room_id,
"user_id": user_id,
"level": level
},
)
def _store_default_level(txn, event):
self._simple_insert_txn(
txn,
"room_default_levels",
{
"event_id": event.event_id,
"room_id": event.room_id,
"level": level
},
)
class RoomsTable(Table):
table_name = "rooms"
fields = [
"room_id",
"is_public",
"creator"
]
EntryType = collections.namedtuple("RoomEntry", fields)