mirror of
https://mau.dev/maunium/synapse.git
synced 2024-10-01 01:36:05 -04:00
141 lines
5.1 KiB
Python
141 lines
5.1 KiB
Python
# -*- coding: utf-8 -*-
|
|
# Copyright 2016 OpenMarket Ltd
|
|
#
|
|
# 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.
|
|
|
|
import logging
|
|
import ujson
|
|
|
|
from twisted.internet import defer
|
|
|
|
from ._base import SQLBaseStore
|
|
|
|
|
|
logger = logging.getLogger(__name__)
|
|
|
|
|
|
class DeviceInboxStore(SQLBaseStore):
|
|
|
|
@defer.inlineCallbacks
|
|
def add_messages_to_device_inbox(self, messages_by_user_then_device):
|
|
"""
|
|
Args:
|
|
messages_by_user_and_device(dict):
|
|
Dictionary of user_id to device_id to message.
|
|
Returns:
|
|
A deferred that resolves when the messages have been inserted.
|
|
"""
|
|
|
|
def select_devices_txn(txn, user_id, devices):
|
|
if not devices:
|
|
return []
|
|
sql = (
|
|
"SELECT user_id, device_id FROM devices"
|
|
" WHERE user_id = ? AND device_id IN ("
|
|
+ ",".join("?" * len(devices))
|
|
+ ")"
|
|
)
|
|
# TODO: Maybe this needs to be done in batches if there are
|
|
# too many local devices for a given user.
|
|
args = [user_id] + devices
|
|
txn.execute(sql, args)
|
|
return [tuple(row) for row in txn.fetchall()]
|
|
|
|
def add_messages_to_device_inbox_txn(txn, stream_id):
|
|
local_users_and_devices = set()
|
|
for user_id, messages_by_device in messages_by_user_then_device.items():
|
|
local_users_and_devices.update(
|
|
select_devices_txn(txn, user_id, messages_by_device.keys())
|
|
)
|
|
|
|
sql = (
|
|
"INSERT INTO device_inbox"
|
|
" (user_id, device_id, stream_id, message_json)"
|
|
" VALUES (?,?,?,?)"
|
|
)
|
|
rows = []
|
|
for user_id, messages_by_device in messages_by_user_then_device.items():
|
|
for device_id, message in messages_by_device.items():
|
|
message_json = ujson.dumps(message)
|
|
# Only insert into the local inbox if the device exists on
|
|
# this server
|
|
if (user_id, device_id) in local_users_and_devices:
|
|
rows.append((user_id, device_id, stream_id, message_json))
|
|
|
|
txn.executemany(sql, rows)
|
|
|
|
with self._device_inbox_id_gen.get_next() as stream_id:
|
|
yield self.runInteraction(
|
|
"add_messages_to_device_inbox",
|
|
add_messages_to_device_inbox_txn,
|
|
stream_id
|
|
)
|
|
|
|
def get_new_messages_for_device(
|
|
self, user_id, device_id, current_stream_id, limit=100
|
|
):
|
|
"""
|
|
Args:
|
|
user_id(str): The recipient user_id.
|
|
device_id(str): The recipient device_id.
|
|
current_stream_id(int): The current position of the to device
|
|
message stream.
|
|
Returns:
|
|
Deferred ([dict], int): List of messages for the device and where
|
|
in the stream the messages got to.
|
|
"""
|
|
def get_new_messages_for_device_txn(txn):
|
|
sql = (
|
|
"SELECT stream_id, message_json FROM device_inbox"
|
|
" WHERE user_id = ? AND device_id = ?"
|
|
" AND stream_id <= ?"
|
|
" ORDER BY stream_id ASC"
|
|
" LIMIT ?"
|
|
)
|
|
txn.execute(sql, (user_id, device_id, current_stream_id, limit))
|
|
messages = []
|
|
for row in txn.fetchall():
|
|
stream_pos = row[0]
|
|
messages.append(ujson.loads(row[1]))
|
|
if len(messages) < limit:
|
|
stream_pos = current_stream_id
|
|
return (messages, stream_pos)
|
|
|
|
return self.runInteraction(
|
|
"get_new_messages_for_device", get_new_messages_for_device_txn,
|
|
)
|
|
|
|
def delete_messages_for_device(self, user_id, device_id, up_to_stream_id):
|
|
"""
|
|
Args:
|
|
user_id(str): The recipient user_id.
|
|
device_id(str): The recipient device_id.
|
|
up_to_stream_id(int): Where to delete messages up to.
|
|
Returns:
|
|
A deferred that resolves when the messages have been deleted.
|
|
"""
|
|
def delete_messages_for_device_txn(txn):
|
|
sql = (
|
|
"DELETE FROM device_inbox"
|
|
" WHERE user_id = ? AND device_id = ?"
|
|
" AND stream_id <= ?"
|
|
)
|
|
txn.execute(sql, (user_id, device_id, up_to_stream_id))
|
|
|
|
return self.runInteraction(
|
|
"delete_messages_for_device", delete_messages_for_device_txn
|
|
)
|
|
|
|
def get_to_device_stream_token(self):
|
|
return self._device_inbox_id_gen.get_current_token()
|