diff --git a/synapse/storage/room.py b/synapse/storage/room.py
new file mode 100644
index 0000000000..174cbcf3d8
--- /dev/null
+++ b/synapse/storage/room.py
@@ -0,0 +1,129 @@
+# -*- 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 synapse.api.events.room import RoomTopicEvent
+
+from ._base import SQLBaseStore, Table
+
+import collections
+import json
+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, with_topics):
+ """Retrieve a list of all public rooms.
+
+ Args:
+ is_public (bool): True if the rooms returned should be public.
+ with_topics (bool): True to include the current topic for the room
+ in the response.
+ Returns:
+ A list of room dicts containing at least a "room_id" key, and a
+ "topic" key if one is set and with_topic=True.
+ """
+ room_data_type = RoomTopicEvent.TYPE
+ public = 1 if is_public else 0
+
+ latest_topic = ("SELECT max(room_data.id) FROM room_data WHERE "
+ + "room_data.type = ? GROUP BY room_id")
+
+ query = ("SELECT rooms.*, room_data.content FROM rooms LEFT JOIN "
+ + "room_data ON rooms.room_id = room_data.room_id WHERE "
+ + "(room_data.id IN (" + latest_topic + ") "
+ + "OR room_data.id IS NULL) AND rooms.is_public = ?")
+
+ res = yield self._execute(
+ self.cursor_to_dict, query, room_data_type, public
+ )
+
+ # return only the keys the specification expects
+ ret_keys = ["room_id", "topic"]
+
+ # extract topic from the json (icky) FIXME
+ for i, room_row in enumerate(res):
+ try:
+ content_json = json.loads(room_row["content"])
+ room_row["topic"] = content_json["topic"]
+ except:
+ pass # no topic set
+ # filter the dict based on ret_keys
+ res[i] = {k: v for k, v in room_row.iteritems() if k in ret_keys}
+
+ defer.returnValue(res)
+
+
+class RoomsTable(Table):
+ table_name = "rooms"
+
+ fields = [
+ "room_id",
+ "is_public",
+ "creator"
+ ]
+
+ EntryType = collections.namedtuple("RoomEntry", fields)
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