163 lines
		
	
	
		
			4.8 KiB
		
	
	
	
		
			Python
		
	
	
			
		
		
	
	
			163 lines
		
	
	
		
			4.8 KiB
		
	
	
	
		
			Python
		
	
	
# -*- coding: utf-8 -*-
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# Copyright 2014 matrix.org
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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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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 store_room_config(self, room_id, visibility):
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        return self._simple_update_one(
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            table=RoomsTable.table_name,
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            keyvalues={"room_id": room_id},
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            updatevalues={"is_public": visibility}
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        )
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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(self, event):
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        return self._simple_insert(
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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.topic,
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            }
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        )
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    def _store_room_name(self, event):
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        return self._simple_insert(
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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.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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