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# -*- 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)
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