MatrixSynapse/synapse/storage/message.py

81 lines
2.5 KiB
Python

# -*- 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 ._base import SQLBaseStore, Table
from synapse.api.events.room import MessageEvent
import collections
import json
class MessageStore(SQLBaseStore):
def get_message(self, user_id, room_id, msg_id):
"""Get a message from the store.
Args:
user_id (str): The ID of the user who sent the message.
room_id (str): The room the message was sent in.
msg_id (str): The unique ID for this user/room combo.
"""
query = MessagesTable.select_statement(
"user_id = ? AND room_id = ? AND msg_id = ? " +
"ORDER BY id DESC LIMIT 1")
return self._execute(
MessagesTable.decode_single_result,
query, user_id, room_id, msg_id,
)
def store_message(self, user_id, room_id, msg_id, content):
"""Store a message in the store.
Args:
user_id (str): The ID of the user who sent the message.
room_id (str): The room the message was sent in.
msg_id (str): The unique ID for this user/room combo.
content (str): The content of the message (JSON)
"""
return self._simple_insert(MessagesTable.table_name, dict(
user_id=user_id,
room_id=room_id,
msg_id=msg_id,
content=content,
))
def get_max_message_id(self):
return self._simple_max_id(MessagesTable.table_name)
class MessagesTable(Table):
table_name = "messages"
fields = [
"id",
"user_id",
"room_id",
"msg_id",
"content"
]
class EntryType(collections.namedtuple("MessageEntry", fields)):
def as_event(self, event_factory):
return event_factory.create_event(
etype=MessageEvent.TYPE,
room_id=self.room_id,
user_id=self.user_id,
msg_id=self.msg_id,
content=json.loads(self.content),
)