diff --git a/synapse/handlers/message.py b/synapse/handlers/message.py
index d8f8ea80cc..081030dbb8 100644
--- a/synapse/handlers/message.py
+++ b/synapse/handlers/message.py
@@ -293,3 +293,65 @@ class MessageHandler(BaseHandler):
}
defer.returnValue(ret)
+
+ @defer.inlineCallbacks
+ def room_initial_sync(self, user_id, room_id, pagin_config=None,
+ feedback=False):
+ yield self.auth.check_joined_room(room_id, user_id)
+
+ # TODO(paul): I wish I was called with user objects not user_id
+ # strings...
+ auth_user = self.hs.parse_userid(user_id)
+
+ # TODO: These concurrently
+ state_tuples = yield self.store.get_current_state(room_id)
+ state = [self.hs.serialize_event(x) for x in state_tuples]
+
+ member_event = (yield self.store.get_room_member(
+ user_id=user_id,
+ room_id=room_id
+ ))
+
+ now_token = yield self.hs.get_event_sources().get_current_token()
+
+ limit = pagin_config.limit if pagin_config else None
+ if limit is None:
+ limit = 10
+
+ messages, token = yield self.store.get_recent_events_for_room(
+ room_id,
+ limit=limit,
+ end_token=now_token.room_key,
+ )
+
+ start_token = now_token.copy_and_replace("room_key", token[0])
+ end_token = now_token.copy_and_replace("room_key", token[1])
+
+ room_members = yield self.store.get_room_members(room_id)
+
+ presence_handler = self.hs.get_handlers().presence_handler
+ presence = []
+ for m in room_members:
+ try:
+ member_presence = yield presence_handler.get_state(
+ target_user=self.hs.parse_userid(m.user_id),
+ auth_user=auth_user,
+ as_event=True,
+ )
+ presence.append(member_presence)
+ except Exception as e:
+ logger.exception("Failed to get member presence of %r",
+ m.user_id
+ )
+
+ defer.returnValue({
+ "membership": member_event.membership,
+ "room_id": room_id,
+ "messages": {
+ "chunk": [self.hs.serialize_event(m) for m in messages],
+ "start": start_token.to_string(),
+ "end": end_token.to_string(),
+ },
+ "state": state,
+ "presence": presence
+ })
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