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Background

This pull request is part of a series of pull requests to add a full IndexedDB implementation of the EventCacheStore (see #4617, #4996, #5090, #5138, #5226, #5274, #5343). This particular pull request focuses on providing an implementation of EventCacheStore::load_last_chunk.

Changes

The primary change is the addition of EventCacheStore::load_last_chunk, as well as tests for ensuring this is functioning correctly.

There are also a number of additions to IndexeddbEventCacheStoreTransaction which support the implementation of EventCacheStore::load_last_chunk.

  • get_chunk_by_next_chunk_id
  • get_chunks_count_in_room
  • get_max_chunk_id

These are simply typed wrappers around the generic functions in IndexeddbEventCacheStoreTransaction.

Future Work

  • Add remaining implementations of EventCacheStore functions without relying on MemoryStore.

  • Public API changes documented in changelogs (optional)

Signed-off-by: Michael Goldenberg [email protected]

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codecov bot commented Jul 9, 2025

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 88.79%. Comparing base (d68895f) to head (26eec01).
Report is 39 commits behind head on main.

✅ All tests successful. No failed tests found.

Additional details and impacted files
@@            Coverage Diff             @@
##             main    #5384      +/-   ##
==========================================
- Coverage   88.79%   88.79%   -0.01%     
==========================================
  Files         334      334              
  Lines       91143    91143              
  Branches    91143    91143              
==========================================
- Hits        80928    80927       -1     
- Misses       6390     6391       +1     
  Partials     3825     3825              

☔ View full report in Codecov by Sentry.
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@mgoldenberg mgoldenberg marked this pull request as ready for review July 9, 2025 17:25
@mgoldenberg mgoldenberg requested a review from a team as a code owner July 9, 2025 17:25
@mgoldenberg mgoldenberg requested review from poljar and removed request for a team July 9, 2025 17:25
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@Hywan Hywan left a comment

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Great, thanks!

Comment on lines +467 to +468
check_test_event(&items[0], "saucisse de morteau");
check_test_event(&items[1], "comté");
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Excellent young padawan.

},
Update::PushItems {
at: Position::new(ChunkIdentifier::new(7), 0),
items: vec![event("fondue"), event("gruyère"), event("mont d'or")],
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okay okay, now I'm hungry.

@Hywan Hywan merged commit 25ed7ee into matrix-org:main Jul 14, 2025
51 checks passed
@mgoldenberg mgoldenberg deleted the indexeddb-event-cache-store-load-last-chunk branch September 17, 2025 15:49
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2 participants