synapse-product/synapse/storage/roomdata.py

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2014-08-12 10:10:52 -04:00
# -*- 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.
2014-08-12 10:10:52 -04:00
from ._base import SQLBaseStore, Table
import collections
import json
class RoomDataStore(SQLBaseStore):
"""Provides various CRUD operations for Room Events. """
def get_room_data(self, room_id, etype, state_key=""):
"""Retrieve the data stored under this type and state_key.
Args:
room_id (str)
etype (str)
state_key (str)
Returns:
namedtuple: Or None if nothing exists at this path.
"""
query = RoomDataTable.select_statement(
"room_id = ? AND type = ? AND state_key = ? "
"ORDER BY id DESC LIMIT 1"
)
return self._execute(
RoomDataTable.decode_single_result,
query, room_id, etype, state_key,
)
def store_room_data(self, room_id, etype, state_key="", content=None):
"""Stores room specific data.
Args:
room_id (str)
etype (str)
state_key (str)
data (str)- The data to store for this path in JSON.
Returns:
The store ID for this data.
"""
return self._simple_insert(RoomDataTable.table_name, dict(
etype=etype,
state_key=state_key,
room_id=room_id,
content=content,
))
def get_max_room_data_id(self):
return self._simple_max_id(RoomDataTable.table_name)
class RoomDataTable(Table):
table_name = "room_data"
fields = [
"id",
"room_id",
"type",
"state_key",
"content"
]
class EntryType(collections.namedtuple("RoomDataEntry", fields)):
def as_event(self, event_factory):
return event_factory.create_event(
etype=self.type,
room_id=self.room_id,
content=json.loads(self.content),
)