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Revert "Fix room state being updated with old (now overwritten) state and emitting for those updates. (#4242)" (#4532)

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This reverts commit 957329b218.
This commit is contained in:
Timo
2024-11-27 11:49:29 +01:00
committed by GitHub
parent b1445d7457
commit 66f099b2e7
3 changed files with 3 additions and 86 deletions
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55
spec/unit/room-state.spec.ts
View File

@@ -1122,59 +1122,4 @@ describe("RoomState", function () {
).toBeFalsy();
});
});
describe("skipWrongOrderRoomStateInserts", () => {
const idNow = "now";
const idBefore = "before";
const endState = new RoomState(roomId);
const startState = new RoomState(roomId, undefined, true);
let onRoomStateEvent: (event: MatrixEvent, state: RoomState, lastStateEvent: MatrixEvent | null) => void;
const evNow = new MatrixEvent({
type: "m.call.member",
room_id: roomId,
state_key: "@user:example.org",
content: {},
});
evNow.event.unsigned = { replaces_state: idBefore };
evNow.event.event_id = idNow;
const evBefore = new MatrixEvent({
type: "m.call.member",
room_id: roomId,
state_key: "@user:example.org",
content: {},
});
const updatedStateWithBefore = jest.fn();
const updatedStateWithNow = jest.fn();
beforeEach(() => {
evBefore.event.event_id = idBefore;
onRoomStateEvent = (event, _state, _lastState) => {
if (event.event.event_id === idNow) {
updatedStateWithNow();
} else if (event.event.event_id === idBefore) {
updatedStateWithBefore();
}
};
endState.on(RoomStateEvent.Events, onRoomStateEvent);
startState.on(RoomStateEvent.Events, onRoomStateEvent);
});
afterEach(() => {
endState.off(RoomStateEvent.Events, onRoomStateEvent);
startState.off(RoomStateEvent.Events, onRoomStateEvent);
updatedStateWithNow.mockReset();
updatedStateWithBefore.mockReset();
});
it("should skip inserting state to the end of the timeline if the current endState events replaces_state id is the same as the inserted events id", () => {
endState.setStateEvents([evNow, evBefore]);
expect(updatedStateWithBefore).not.toHaveBeenCalled();
expect(updatedStateWithNow).toHaveBeenCalled();
});
it("should skip inserting state at the beginning of the timeline if the inserted events replaces_state is the event id of the current startState", () => {
startState.setStateEvents([evBefore, evNow]);
expect(updatedStateWithBefore).toHaveBeenCalled();
expect(updatedStateWithNow).not.toHaveBeenCalled();
});
});
});

2
src/models/event-timeline.ts
View File

@@ -127,7 +127,7 @@ export class EventTimeline {
public constructor(private readonly eventTimelineSet: EventTimelineSet) {
this.roomId = eventTimelineSet.room?.roomId ?? null;
if (this.roomId) {
this.startState = new RoomState(this.roomId, undefined, true);
this.startState = new RoomState(this.roomId);
this.endState = new RoomState(this.roomId);
}

32
src/models/room-state.ts
View File

@@ -194,22 +194,10 @@ export class RoomState extends TypedEventEmitter<EmittedEvents, EventHandlerMap>
* As the timeline might get reset while they are loading, this state needs to be inherited
* and shared when the room state is cloned for the new timeline.
* This should only be passed from clone.
* @param isStartTimelineState - Optional. This state is marked as a start state.
* This is used to skip state insertions that are
* in the wrong order. The order is determined by the `replaces_state` id.
*
* Example:
* A current state events `replaces_state` value is `1`.
* Trying to insert a state event with `event_id` `1` in its place would fail if isStartTimelineState = false.
*
* A current state events `event_id` is `2`.
* Trying to insert a state event where its `replaces_state` value is `2` would fail if isStartTimelineState = true.
*/
public constructor(
public readonly roomId: string,
private oobMemberFlags = { status: OobStatus.NotStarted },
public readonly isStartTimelineState = false,
) {
super();
this.updateModifiedTime();
@@ -420,7 +408,7 @@ export class RoomState extends TypedEventEmitter<EmittedEvents, EventHandlerMap>
* Fires {@link RoomStateEvent.Events}
* Fires {@link RoomStateEvent.Marker}
*/
public setStateEvents(stateEvents: MatrixEvent[], options?: IMarkerFoundOptions): void {
public setStateEvents(stateEvents: MatrixEvent[], markerFoundOptions?: IMarkerFoundOptions): void {
this.updateModifiedTime();
// update the core event dict
@@ -432,22 +420,6 @@ export class RoomState extends TypedEventEmitter<EmittedEvents, EventHandlerMap>
}
const lastStateEvent = this.getStateEventMatching(event);
// Safety measure to not update the room (and emit the update) with older state.
// The sync loop really should not send old events but it does very regularly.
// Logging on return in those two conditions results in a large amount of logging. (on startup and when running element)
const lastReplaceId = lastStateEvent?.event.unsigned?.replaces_state;
const lastId = lastStateEvent?.event.event_id;
const newReplaceId = event.event.unsigned?.replaces_state;
const newId = event.event.event_id;
if (this.isStartTimelineState) {
// Add an event to the start of the timeline. Its replace id should not be the same as the one of the current/last start state event.
if (newReplaceId && lastId && newReplaceId === lastId) return;
} else {
// Add an event to the end of the timeline. It should not be the same as the one replaced by the current/last end state event.
if (lastReplaceId && newId && lastReplaceId === newId) return;
}
this.setStateEvent(event);
if (event.getType() === EventType.RoomMember) {
this.updateDisplayNameCache(event.getStateKey()!, event.getContent().displayname ?? "");
@@ -504,7 +476,7 @@ export class RoomState extends TypedEventEmitter<EmittedEvents, EventHandlerMap>
// assume all our sentinels are now out-of-date
this.sentinels = {};
} else if (UNSTABLE_MSC2716_MARKER.matches(event.getType())) {
this.emit(RoomStateEvent.Marker, event, options);
this.emit(RoomStateEvent.Marker, event, markerFoundOptions);
}
});