diff options
Diffstat (limited to 'synapse/state/__init__.py')
-rw-r--r-- | synapse/state/__init__.py | 73 |
1 files changed, 3 insertions, 70 deletions
diff --git a/synapse/state/__init__.py b/synapse/state/__init__.py index bf09f5128a..ab68e2b6a4 100644 --- a/synapse/state/__init__.py +++ b/synapse/state/__init__.py @@ -32,13 +32,11 @@ from typing import ( Set, Tuple, Union, - overload, ) import attr from frozendict import frozendict from prometheus_client import Counter, Histogram -from typing_extensions import Literal from synapse.api.constants import EventTypes from synapse.api.room_versions import KNOWN_ROOM_VERSIONS, StateResolutionVersions @@ -132,85 +130,20 @@ class StateHandler: self._state_resolution_handler = hs.get_state_resolution_handler() self._storage_controllers = hs.get_storage_controllers() - @overload - async def get_current_state( - self, - room_id: str, - event_type: Literal[None] = None, - state_key: str = "", - latest_event_ids: Optional[List[str]] = None, - ) -> StateMap[EventBase]: - ... - - @overload - async def get_current_state( - self, - room_id: str, - event_type: str, - state_key: str = "", - latest_event_ids: Optional[List[str]] = None, - ) -> Optional[EventBase]: - ... - - async def get_current_state( + async def get_current_state_ids( self, room_id: str, - event_type: Optional[str] = None, - state_key: str = "", - latest_event_ids: Optional[List[str]] = None, - ) -> Union[Optional[EventBase], StateMap[EventBase]]: - """Retrieves the current state for the room. This is done by - calling `get_latest_events_in_room` to get the leading edges of the - event graph and then resolving any of the state conflicts. - - This is equivalent to getting the state of an event that were to send - next before receiving any new events. - - Returns: - If `event_type` is specified, then the method returns only the one - event (or None) with that `event_type` and `state_key`. - - Otherwise, a map from (type, state_key) to event. - """ - if not latest_event_ids: - latest_event_ids = await self.store.get_latest_event_ids_in_room(room_id) - assert latest_event_ids is not None - - logger.debug("calling resolve_state_groups from get_current_state") - ret = await self.resolve_state_groups_for_events(room_id, latest_event_ids) - state = ret.state - - if event_type: - event_id = state.get((event_type, state_key)) - event = None - if event_id: - event = await self.store.get_event(event_id, allow_none=True) - return event - - state_map = await self.store.get_events( - list(state.values()), get_prev_content=False - ) - return { - key: state_map[e_id] for key, e_id in state.items() if e_id in state_map - } - - async def get_current_state_ids( - self, room_id: str, latest_event_ids: Optional[Collection[str]] = None + latest_event_ids: Collection[str], ) -> StateMap[str]: """Get the current state, or the state at a set of events, for a room Args: room_id: - latest_event_ids: if given, the forward extremities to resolve. If - None, we look them up from the database (via a cache). + latest_event_ids: The forward extremities to resolve. Returns: the state dict, mapping from (event_type, state_key) -> event_id """ - if not latest_event_ids: - latest_event_ids = await self.store.get_latest_event_ids_in_room(room_id) - assert latest_event_ids is not None - logger.debug("calling resolve_state_groups from get_current_state_ids") ret = await self.resolve_state_groups_for_events(room_id, latest_event_ids) return ret.state |