mirror of
https://git.anonymousland.org/anonymousland/synapse-product.git
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148 lines
4.8 KiB
Python
148 lines
4.8 KiB
Python
# -*- coding: utf-8 -*-
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# Copyright 2015 OpenMarket Ltd
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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 ._base import BaseHandler
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from synapse.streams.config import PaginationConfig
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from synapse.api.constants import Membership
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from twisted.internet import defer
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import collections
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import logging
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logger = logging.getLogger(__name__)
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SyncConfig = collections.namedtuple("SyncConfig", [
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"user",
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"device",
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"limit",
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"gap",
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"sort",
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"backfill",
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"filter",
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])
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RoomSyncResult = collections.namedtuple("RoomSyncResult", [
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"room_id",
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"limited",
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"published",
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"events", # dict of event
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"state",
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"prev_batch",
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])
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class SyncResult(collections.namedtuple("SyncResult", [
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"next_batch", # Token for the next sync
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"private_user_data", # List of private events for the user.
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"public_user_data", # List of public events for all users.
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"rooms", # RoomSyncResult for each room.
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])):
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__slots__ = []
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def __nonzero__(self):
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return self.private_user_data or self.public_user_data or self.rooms
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class SyncHandler(BaseHandler):
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def __init__(self, hs):
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super(SyncHandler, self).__init__(hs)
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self.event_sources = hs.get_event_sources()
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self.clock = hs.get_clock()
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def wait_for_sync_for_user(self, sync_config, since_token=None, timeout=0):
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if timeout == 0:
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return self.current_sync_for_user(sync_config, since_token)
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else:
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def current_sync_callback(since_token):
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return self.current_sync_for_user(
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self, since_token, sync_config
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)
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return self.notifier.wait_for_events(
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sync_config.filter, since_token, current_sync_callback
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)
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def current_sync_for_user(self, sync_config, since_token=None):
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if since_token is None:
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return self.initial_sync(sync_config)
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else:
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return self.incremental_sync(sync_config)
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@defer.inlineCallbacks
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def initial_sync(self, sync_config):
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if sync_config.sort == "timeline,desc":
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# TODO(mjark): Handle going through events in reverse order?.
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# What does "most recent events" mean when applying the limits mean
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# in this case?
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raise NotImplementedError()
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now_token = yield self.event_sources.get_current_token()
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presence_stream = self.event_sources.sources["presence"]
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# TODO (mjark): This looks wrong, shouldn't we be getting the presence
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# UP to the present rather than after the present?
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pagination_config = PaginationConfig(from_token=now_token)
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presence, _ = yield presence_stream.get_pagination_rows(
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user=sync_config.user,
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pagination_config=pagination_config.get_source_config("presence"),
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key=None
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)
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room_list = yield self.store.get_rooms_for_user_where_membership_is(
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user_id=sync_config.user.to_string(),
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membership_list=[Membership.INVITE, Membership.JOIN]
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)
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# TODO (mjark): Does public mean "published"?
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published_rooms = yield self.store.get_rooms(is_public=True)
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published_room_ids = set(r["room_id"] for r in published_rooms)
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rooms = []
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for event in room_list:
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#TODO (mjark): Apply the event filter in sync_config.
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recent_events, token = yield self.store.get_recent_events_for_room(
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event.room_id,
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limit=sync_config.limit,
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end_token=now_token.room_key,
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)
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prev_batch_token = now_token.copy_and_replace("room_key", token[0])
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current_state_events = yield self.state_handler.get_current_state(
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event.room_id
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)
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rooms.append(RoomSyncResult(
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room_id=event.room_id,
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published=event.room_id in published_room_ids,
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events=recent_events,
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prev_batch=prev_batch_token,
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state=current_state_events,
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limited=True,
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))
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defer.returnValue(SyncResult(
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public_user_data=presence,
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private_user_data=[],
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rooms=rooms,
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next_batch=now_token,
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))
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@defer.inlineCallbacks
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def incremental_sync(self, sync_config):
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pass
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