288 lines
9.2 KiB
Python
288 lines
9.2 KiB
Python
# -*- coding: utf-8 -*-
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# Copyright 2014-2016 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 synapse.api.errors import StoreError
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from ._base import SQLBaseStore
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from synapse.util.caches.descriptors import cachedInlineCallbacks
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from .engines import PostgresEngine, Sqlite3Engine
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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(
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"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(
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RoomsTable.table_name,
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{
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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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desc="store_room",
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)
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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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return self._simple_select_one(
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table=RoomsTable.table_name,
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keyvalues={"room_id": room_id},
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retcols=RoomsTable.fields,
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desc="get_room",
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allow_none=True,
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)
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def get_public_room_ids(self):
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return self._simple_select_onecol(
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table="rooms",
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keyvalues={
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"is_public": True,
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},
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retcol="room_id",
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desc="get_public_room_ids",
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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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def f(txn):
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def subquery(table_name, column_name=None):
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column_name = column_name or table_name
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return (
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"SELECT %(table_name)s.event_id as event_id, "
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"%(table_name)s.room_id as room_id, %(column_name)s "
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"FROM %(table_name)s "
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"INNER JOIN current_state_events as c "
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"ON c.event_id = %(table_name)s.event_id " % {
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"column_name": column_name,
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"table_name": table_name,
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}
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)
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sql = (
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"SELECT"
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" r.room_id,"
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" max(n.name),"
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" max(t.topic),"
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" max(v.history_visibility),"
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" max(g.guest_access)"
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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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" LEFT JOIN (%(history_visibility)s) AS v ON v.room_id = r.room_id"
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" LEFT JOIN (%(guest_access)s) AS g ON g.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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"topic": subquery("topics", "topic"),
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"name": subquery("room_names", "name"),
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"history_visibility": subquery("history_visibility"),
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"guest_access": subquery("guest_access"),
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}
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)
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txn.execute(sql, (is_public,))
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rows = txn.fetchall()
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for i, row in enumerate(rows):
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room_id = row[0]
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aliases = self._simple_select_onecol_txn(
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txn,
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table="room_aliases",
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keyvalues={
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"room_id": room_id
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},
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retcol="room_alias",
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)
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rows[i] = list(row) + [aliases]
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return rows
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rows = yield self.runInteraction(
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"get_rooms", f
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)
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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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"world_readable": r[3] == "world_readable",
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"guest_can_join": r[4] == "can_join",
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"aliases": r[5],
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}
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for r in rows
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if r[5] # We only return rooms that have at least one alias.
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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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self._store_event_search_txn(
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txn, event, "content.topic", event.content["topic"]
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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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self._store_event_search_txn(
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txn, event, "content.name", event.content["name"]
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)
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def _store_room_message_txn(self, txn, event):
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if hasattr(event, "content") and "body" in event.content:
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self._store_event_search_txn(
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txn, event, "content.body", event.content["body"]
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)
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def _store_history_visibility_txn(self, txn, event):
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self._store_content_index_txn(txn, event, "history_visibility")
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def _store_guest_access_txn(self, txn, event):
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self._store_content_index_txn(txn, event, "guest_access")
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def _store_content_index_txn(self, txn, event, key):
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if hasattr(event, "content") and key in event.content:
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sql = (
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"INSERT INTO %(key)s"
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" (event_id, room_id, %(key)s)"
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" VALUES (?, ?, ?)" % {"key": key}
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)
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txn.execute(sql, (
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event.event_id,
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event.room_id,
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event.content[key]
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))
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def _store_event_search_txn(self, txn, event, key, value):
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if isinstance(self.database_engine, PostgresEngine):
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sql = (
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"INSERT INTO event_search (event_id, room_id, key, vector)"
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" VALUES (?,?,?,to_tsvector('english', ?))"
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)
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elif isinstance(self.database_engine, Sqlite3Engine):
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sql = (
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"INSERT INTO event_search (event_id, room_id, key, value)"
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" VALUES (?,?,?,?)"
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)
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else:
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# This should be unreachable.
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raise Exception("Unrecognized database engine")
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txn.execute(sql, (event.event_id, event.room_id, key, value,))
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@cachedInlineCallbacks()
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def get_room_name_and_aliases(self, room_id):
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def f(txn):
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sql = (
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"SELECT event_id FROM current_state_events "
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"WHERE room_id = ? "
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)
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sql += " AND ((type = 'm.room.name' AND state_key = '')"
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sql += " OR type = 'm.room.aliases')"
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txn.execute(sql, (room_id,))
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results = self.cursor_to_dict(txn)
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return self._parse_events_txn(txn, results)
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events = yield self.runInteraction("get_room_name_and_aliases", f)
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name = None
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aliases = []
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for e in events:
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if e.type == 'm.room.name':
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if 'name' in e.content:
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name = e.content['name']
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elif e.type == 'm.room.aliases':
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if 'aliases' in e.content:
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aliases.extend(e.content['aliases'])
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defer.returnValue((name, aliases))
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class RoomsTable(object):
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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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