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Make events pagination responses parse threads (#2011)

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This commit is contained in:
Germain
2021-11-04 11:29:14 +00:00
committed by GitHub
parent 50332c4999
commit 195498e9db
2 changed files with 64 additions and 46 deletions
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65
src/client.ts
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@@ -4578,7 +4578,12 @@ export class MatrixClient extends EventEmitter {
const stateEvents = res.state.map(this.getEventMapper());
room.currentState.setUnknownStateEvents(stateEvents);
}
room.addEventsToTimeline(matrixEvents, true, room.getLiveTimeline());
const [timelineEvents, threadedEvents] = this.partitionThreadedEvents(matrixEvents);
room.addEventsToTimeline(timelineEvents, true, room.getLiveTimeline());
this.processThreadEvents(room, threadedEvents);
room.oldState.paginationToken = res.end;
if (res.chunk.length === 0) {
room.oldState.paginationToken = null;
@@ -4684,7 +4689,11 @@ export class MatrixClient extends EventEmitter {
const stateEvents = res.state.map(this.getEventMapper());
timeline.getState(EventTimeline.BACKWARDS).setUnknownStateEvents(stateEvents);
}
timelineSet.addEventsToTimeline(matrixEvents, true, timeline, res.start);
const [timelineEvents, threadedEvents] = this.partitionThreadedEvents(matrixEvents);
timelineSet.addEventsToTimeline(timelineEvents, true, timeline, res.start);
this.processThreadEvents(timelineSet.room, threadedEvents);
// there is no guarantee that the event ended up in "timeline" (we
// might have switched to a neighbouring timeline) - so check the
@@ -4817,8 +4826,11 @@ export class MatrixClient extends EventEmitter {
matrixEvents[i] = event;
}
eventTimeline.getTimelineSet()
.addEventsToTimeline(matrixEvents, backwards, eventTimeline, token);
const [timelineEvents, threadedEvents] = this.partitionThreadedEvents(matrixEvents);
const timelineSet = eventTimeline.getTimelineSet();
timelineSet.addEventsToTimeline(timelineEvents, backwards, eventTimeline, token);
this.processThreadEvents(timelineSet.room, threadedEvents);
// if we've hit the end of the timeline, we need to stop trying to
// paginate. We need to keep the 'forwards' token though, to make sure
@@ -4851,8 +4863,12 @@ export class MatrixClient extends EventEmitter {
}
const token = res.end;
const matrixEvents = res.chunk.map(this.getEventMapper());
const [timelineEvents, threadedEvents] = this.partitionThreadedEvents(matrixEvents);
eventTimeline.getTimelineSet()
.addEventsToTimeline(matrixEvents, backwards, eventTimeline, token);
.addEventsToTimeline(timelineEvents, backwards, eventTimeline, token);
this.processThreadEvents(room, threadedEvents);
// if we've hit the end of the timeline, we need to stop trying to
// paginate. We need to keep the 'forwards' token though, to make sure
@@ -8551,6 +8567,45 @@ export class MatrixClient extends EventEmitter {
prefix: "/_matrix/client/unstable/im.nheko.summary",
});
}
public partitionThreadedEvents(events: MatrixEvent[]): [MatrixEvent[], MatrixEvent[]] {
if (this.supportsExperimentalThreads) {
return events.reduce((memo, event: MatrixEvent) => {
const room = this.getRoom(event.getRoomId());
// An event should live in the thread timeline if
// - It's a reply in thread event
// - It's related to a reply in thread event
let shouldLiveInThreadTimeline = event.isThreadRelation;
if (!shouldLiveInThreadTimeline) {
const parentEventId = event.parentEventId;
const parentEvent = room?.findEventById(parentEventId) || events.find((mxEv: MatrixEvent) => {
return mxEv.getId() === parentEventId;
});
shouldLiveInThreadTimeline = parentEvent?.isThreadRelation;
}
memo[shouldLiveInThreadTimeline ? 1 : 0].push(event);
return memo;
}, [[], []]);
} else {
// When `experimentalThreadSupport` is disabled
// treat all events as timelineEvents
return [
events,
[],
];
}
}
/**
* @experimental
*/
public processThreadEvents(room: Room, threadedEvents: MatrixEvent[]): void {
threadedEvents
.sort((a, b) => a.getTs() - b.getTs())
.forEach(event => {
room.addThreadedEvent(event);
});
}
}
/**