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fix(stitched): Remove redundant event tracking code

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Ginger 2026-01-22 12:33:48 -05:00
parent c507ff6687
commit d2d580c76c
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1 changed files with 3 additions and 13 deletions
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16
src/service/rooms/timeline/stitcher/algorithm.rs
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@ -38,8 +38,6 @@ impl<B: StitcherBackend> Stitcher<'_, B> {
pub(super) fn stitch<'id>(&self, batch: &Batch<'id>) -> OrderUpdates<'id, B::Key> {
let mut gap_updates = Vec::new();
let mut all_new_events: HashSet<&'id str> = HashSet::new();
let mut remaining_events: IndexSet<_> = batch.events().collect();
// 1: Find existing gaps which include IDs of events in `batch`
@ -58,15 +56,12 @@ impl<B: StitcherBackend> Stitcher<'_, B> {
.copied()
.collect();
all_new_events.extend(events_to_insert.iter());
// 4. Remove the events in the to-insert list from `remaining_events` so they
// aren't processed again
remaining_events.retain(|event| !events_to_insert.contains(event));
// 5 and 6
let inserted_items =
self.sort_events_and_create_gaps(&batch, &all_new_events, events_to_insert);
let inserted_items = self.sort_events_and_create_gaps(batch, events_to_insert);
// 8. Update gap
gap.retain(|id| !batch.contains(id));
@ -78,9 +73,7 @@ impl<B: StitcherBackend> Stitcher<'_, B> {
// 10. Append remaining events and gaps
all_new_events.extend(remaining_events.iter());
let new_items =
self.sort_events_and_create_gaps(&batch, &all_new_events, remaining_events);
let new_items = self.sort_events_and_create_gaps(batch, remaining_events);
OrderUpdates { gap_updates, new_items }
}
@ -88,7 +81,6 @@ impl<B: StitcherBackend> Stitcher<'_, B> {
fn sort_events_and_create_gaps<'id>(
&self,
batch: &Batch<'id>,
all_new_events: &HashSet<&'id str>,
events_to_insert: impl IntoIterator<Item = &'id str>,
) -> Vec<StitchedItem<'id>> {
// 5. Sort the to-insert list with DAG;received order
@ -111,9 +103,7 @@ impl<B: StitcherBackend> Stitcher<'_, B> {
.prev_events
.iter()
.filter(|prev_event| {
!(batch.contains(prev_event)
|| all_new_events.contains(*prev_event)
|| self.backend.event_exists(prev_event))
!(batch.contains(prev_event) || self.backend.event_exists(prev_event))
})
.map(|id| String::from(*id))
.collect();