diff options
Diffstat (limited to 'synapse/handlers/device.py')
| -rw-r--r-- | synapse/handlers/device.py | 68 |
1 files changed, 57 insertions, 11 deletions
diff --git a/synapse/handlers/device.py b/synapse/handlers/device.py index ed60d494ff..dac4b3f4e0 100644 --- a/synapse/handlers/device.py +++ b/synapse/handlers/device.py @@ -270,6 +270,8 @@ class DeviceHandler(BaseHandler): user_id (str) from_token (StreamToken) """ + now_token = yield self.hs.get_event_sources().get_current_token() + room_ids = yield self.store.get_rooms_for_user(user_id) # First we check if any devices have changed @@ -280,11 +282,30 @@ class DeviceHandler(BaseHandler): # Then work out if any users have since joined rooms_changed = self.store.get_rooms_that_changed(room_ids, from_token.room_key) + member_events = yield self.store.get_membership_changes_for_user( + user_id, from_token.room_key, now_token.room_key + ) + rooms_changed.update(event.room_id for event in member_events) + stream_ordering = RoomStreamToken.parse_stream_token( - from_token.room_key).stream + from_token.room_key + ).stream possibly_changed = set(changed) + possibly_left = set() for room_id in rooms_changed: + current_state_ids = yield self.store.get_current_state_ids(room_id) + + # The user may have left the room + # TODO: Check if they actually did or if we were just invited. + if room_id not in room_ids: + for key, event_id in current_state_ids.iteritems(): + etype, state_key = key + if etype != EventTypes.Member: + continue + possibly_left.add(state_key) + continue + # Fetch the current state at the time. try: event_ids = yield self.store.get_forward_extremeties_for_room( @@ -295,8 +316,6 @@ class DeviceHandler(BaseHandler): # ordering: treat it the same as a new room event_ids = [] - current_state_ids = yield self.store.get_current_state_ids(room_id) - # special-case for an empty prev state: include all members # in the changed list if not event_ids: @@ -307,9 +326,25 @@ class DeviceHandler(BaseHandler): possibly_changed.add(state_key) continue + current_member_id = current_state_ids.get((EventTypes.Member, user_id)) + if not current_member_id: + continue + # mapping from event_id -> state_dict prev_state_ids = yield self.store.get_state_ids_for_events(event_ids) + # Check if we've joined the room? If so we just blindly add all the users to + # the "possibly changed" users. + for state_dict in prev_state_ids.itervalues(): + member_event = state_dict.get((EventTypes.Member, user_id), None) + if not member_event or member_event != current_member_id: + for key, event_id in current_state_ids.iteritems(): + etype, state_key = key + if etype != EventTypes.Member: + continue + possibly_changed.add(state_key) + break + # If there has been any change in membership, include them in the # possibly changed list. We'll check if they are joined below, # and we're not toooo worried about spuriously adding users. @@ -320,19 +355,30 @@ class DeviceHandler(BaseHandler): # check if this member has changed since any of the extremities # at the stream_ordering, and add them to the list if so. - for state_dict in prev_state_ids.values(): + for state_dict in prev_state_ids.itervalues(): prev_event_id = state_dict.get(key, None) if not prev_event_id or prev_event_id != event_id: - possibly_changed.add(state_key) + if state_key != user_id: + possibly_changed.add(state_key) break - users_who_share_room = yield self.store.get_users_who_share_room_with_user( - user_id - ) + if possibly_changed or possibly_left: + users_who_share_room = yield self.store.get_users_who_share_room_with_user( + user_id + ) - # Take the intersection of the users whose devices may have changed - # and those that actually still share a room with the user - defer.returnValue(users_who_share_room & possibly_changed) + # Take the intersection of the users whose devices may have changed + # and those that actually still share a room with the user + possibly_joined = possibly_changed & users_who_share_room + possibly_left = (possibly_changed | possibly_left) - users_who_share_room + else: + possibly_joined = [] + possibly_left = [] + + defer.returnValue({ + "changed": list(possibly_joined), + "left": list(possibly_left), + }) @defer.inlineCallbacks def on_federation_query_user_devices(self, user_id): |