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# -*- coding: utf-8 -*-
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# Copyright 2014, 2015 OpenMarket Ltd
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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from twisted.internet import defer
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from sqlite3 import IntegrityError
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from synapse.api.errors import StoreError
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from ._base import SQLBaseStore, Table
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import collections
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import logging
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logger = logging.getLogger(__name__)
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OpsLevel = collections.namedtuple("OpsLevel", (
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"ban_level", "kick_level", "redact_level")
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)
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class RoomStore(SQLBaseStore):
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@defer.inlineCallbacks
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def store_room(self, room_id, room_creator_user_id, is_public):
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"""Stores a room.
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Args:
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room_id (str): The desired room ID, can be None.
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room_creator_user_id (str): The user ID of the room creator.
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is_public (bool): True to indicate that this room should appear in
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public room lists.
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Raises:
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StoreError if the room could not be stored.
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"""
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try:
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yield self._simple_insert(RoomsTable.table_name, dict(
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room_id=room_id,
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creator=room_creator_user_id,
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is_public=is_public
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))
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except IntegrityError:
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raise StoreError(409, "Room ID in use.")
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except Exception as e:
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logger.error("store_room with room_id=%s failed: %s", room_id, e)
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raise StoreError(500, "Problem creating room.")
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def get_room(self, room_id):
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"""Retrieve a room.
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Args:
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room_id (str): The ID of the room to retrieve.
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Returns:
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A namedtuple containing the room information, or an empty list.
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"""
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query = RoomsTable.select_statement("room_id=?")
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return self._execute(
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RoomsTable.decode_single_result, query, room_id,
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)
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@defer.inlineCallbacks
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def get_rooms(self, is_public):
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"""Retrieve a list of all public rooms.
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Args:
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is_public (bool): True if the rooms returned should be public.
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Returns:
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A list of room dicts containing at least a "room_id" key, a
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"topic" key if one is set, and a "name" key if one is set
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"""
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topic_subquery = (
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"SELECT topics.event_id as event_id, "
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"topics.room_id as room_id, topic "
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"FROM topics "
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"INNER JOIN current_state_events as c "
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"ON c.event_id = topics.event_id "
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)
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name_subquery = (
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"SELECT room_names.event_id as event_id, "
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"room_names.room_id as room_id, name "
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"FROM room_names "
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"INNER JOIN current_state_events as c "
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"ON c.event_id = room_names.event_id "
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)
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# We use non printing ascii character US ( ) as a seperator
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sql = (
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"SELECT r.room_id, n.name, t.topic, "
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"group_concat(a.room_alias, ' ') "
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"FROM rooms AS r "
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"LEFT JOIN (%(topic)s) AS t ON t.room_id = r.room_id "
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"LEFT JOIN (%(name)s) AS n ON n.room_id = r.room_id "
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"INNER JOIN room_aliases AS a ON a.room_id = r.room_id "
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"WHERE r.is_public = ? "
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"GROUP BY r.room_id "
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) % {
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"topic": topic_subquery,
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"name": name_subquery,
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}
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rows = yield self._execute(None, sql, is_public)
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ret = [
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{
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"room_id": r[0],
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"name": r[1],
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"topic": r[2],
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"aliases": r[3].split(" "),
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}
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for r in rows
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]
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defer.returnValue(ret)
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def _store_room_topic_txn(self, txn, event):
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if hasattr(event, "content") and "topic" in event.content:
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self._simple_insert_txn(
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txn,
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"topics",
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{
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"event_id": event.event_id,
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"room_id": event.room_id,
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"topic": event.content["topic"],
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}
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)
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def _store_room_name_txn(self, txn, event):
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if hasattr(event, "content") and "name" in event.content:
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self._simple_insert_txn(
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txn,
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"room_names",
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{
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"event_id": event.event_id,
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"room_id": event.room_id,
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"name": event.content["name"],
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}
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)
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class RoomsTable(Table):
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table_name = "rooms"
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fields = [
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"room_id",
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"is_public",
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"creator"
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]
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EntryType = collections.namedtuple("RoomEntry", fields)
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