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# Copyright 2015, 2016 OpenMarket Ltd
# Copyright 2021 The Matrix.org Foundation C.I.C.
#
# 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 random
from typing import TYPE_CHECKING, Any, List, Tuple
from synapse.replication.http.account_data import (
ReplicationAddTagRestServlet,
ReplicationRemoveTagRestServlet,
ReplicationRoomAccountDataRestServlet,
ReplicationUserAccountDataRestServlet,
)
from synapse.types import JsonDict, UserID
if TYPE_CHECKING:
from synapse.server import HomeServer
class AccountDataHandler:
def __init__(self, hs: "HomeServer"):
self._store = hs.get_datastore()
self._instance_name = hs.get_instance_name()
self._notifier = hs.get_notifier()
self._user_data_client = ReplicationUserAccountDataRestServlet.make_client(hs)
self._room_data_client = ReplicationRoomAccountDataRestServlet.make_client(hs)
self._add_tag_client = ReplicationAddTagRestServlet.make_client(hs)
self._remove_tag_client = ReplicationRemoveTagRestServlet.make_client(hs)
self._account_data_writers = hs.config.worker.writers.account_data
async def add_account_data_to_room(
self, user_id: str, room_id: str, account_data_type: str, content: JsonDict
) -> int:
"""Add some account_data to a room for a user.
Args:
user_id: The user to add a tag for.
room_id: The room to add a tag for.
account_data_type: The type of account_data to add.
content: A json object to associate with the tag.
Returns:
The maximum stream ID.
"""
if self._instance_name in self._account_data_writers:
max_stream_id = await self._store.add_account_data_to_room(
user_id, room_id, account_data_type, content
)
self._notifier.on_new_event(
"account_data_key", max_stream_id, users=[user_id]
)
return max_stream_id
else:
response = await self._room_data_client(
instance_name=random.choice(self._account_data_writers),
user_id=user_id,
room_id=room_id,
account_data_type=account_data_type,
content=content,
)
return response["max_stream_id"]
async def add_account_data_for_user(
self, user_id: str, account_data_type: str, content: JsonDict
) -> int:
"""Add some account_data to a room for a user.
Args:
user_id: The user to add a tag for.
account_data_type: The type of account_data to add.
content: A json object to associate with the tag.
Returns:
The maximum stream ID.
"""
if self._instance_name in self._account_data_writers:
max_stream_id = await self._store.add_account_data_for_user(
user_id, account_data_type, content
)
self._notifier.on_new_event(
"account_data_key", max_stream_id, users=[user_id]
)
return max_stream_id
else:
response = await self._user_data_client(
instance_name=random.choice(self._account_data_writers),
user_id=user_id,
account_data_type=account_data_type,
content=content,
)
return response["max_stream_id"]
async def add_tag_to_room(
self, user_id: str, room_id: str, tag: str, content: JsonDict
) -> int:
"""Add a tag to a room for a user.
Args:
user_id: The user to add a tag for.
room_id: The room to add a tag for.
tag: The tag name to add.
content: A json object to associate with the tag.
Returns:
The next account data ID.
"""
if self._instance_name in self._account_data_writers:
max_stream_id = await self._store.add_tag_to_room(
user_id, room_id, tag, content
)
self._notifier.on_new_event(
"account_data_key", max_stream_id, users=[user_id]
)
return max_stream_id
else:
response = await self._add_tag_client(
instance_name=random.choice(self._account_data_writers),
user_id=user_id,
room_id=room_id,
tag=tag,
content=content,
)
return response["max_stream_id"]
async def remove_tag_from_room(self, user_id: str, room_id: str, tag: str) -> int:
"""Remove a tag from a room for a user.
Returns:
The next account data ID.
"""
if self._instance_name in self._account_data_writers:
max_stream_id = await self._store.remove_tag_from_room(
user_id, room_id, tag
)
self._notifier.on_new_event(
"account_data_key", max_stream_id, users=[user_id]
)
return max_stream_id
else:
response = await self._remove_tag_client(
instance_name=random.choice(self._account_data_writers),
user_id=user_id,
room_id=room_id,
tag=tag,
)
return response["max_stream_id"]
class AccountDataEventSource:
def __init__(self, hs: "HomeServer"):
self.store = hs.get_datastore()
def get_current_key(self, direction: str = "f") -> int:
return self.store.get_max_account_data_stream_id()
async def get_new_events(
self, user: UserID, from_key: int, **kwargs: Any
) -> Tuple[List[JsonDict], int]:
user_id = user.to_string()
last_stream_id = from_key
current_stream_id = self.store.get_max_account_data_stream_id()
results = []
tags = await self.store.get_updated_tags(user_id, last_stream_id)
for room_id, room_tags in tags.items():
results.append(
{"type": "m.tag", "content": {"tags": room_tags}, "room_id": room_id}
)
(
account_data,
room_account_data,
) = await self.store.get_updated_account_data_for_user(user_id, last_stream_id)
for account_data_type, content in account_data.items():
results.append({"type": account_data_type, "content": content})
for room_id, account_data in room_account_data.items():
for account_data_type, content in account_data.items():
results.append(
{"type": account_data_type, "content": content, "room_id": room_id}
)
return results, current_stream_id
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