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Fix disappearing events on thread view

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This commit fixes an issue where events in threads would occasionally
disappear.

Previously, the computation of parent events and reply events depended
on EventCache and had to be manually computed upon event selection
change. This may lead to inconsistencies if the computation is not
re-done after a new event that leads to a change in the model, or if certain
events are not yet on the cache. Instead, these are now computed
properties inside ThreadModel, and relies exclusively on the events
already in the ThreadModel.

Several other smaller improvements were made around the affected class,
including:
- Removing unused code for simplicity
- Configuring the class external interface with more intent, avoiding
  misusage
- Adding more documentation on the usage of things, as well as
  implementation notes on why certain design decisions were taken.
- Moving things to explicit actors, to integrate more structured concurrency
- Improving code efficiency to lower computational overhead on the main
  actor
- Splitting concerns between objects with more intent and thoughful
  design.

Changelog-Fixed: Fixed an issue where events on a thread view would occasionally disappear
Closes: https://github.com/damus-io/damus/issues/2791
Signed-off-by: Daniel D’Aquino <daniel@daquino.me>
This commit is contained in:
Daniel D’Aquino
2025-01-10 13:34:45 +09:00
parent 8066fa1bf8
commit 74d5bee1f6
8 changed files with 258 additions and 231 deletions
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8
damus.xcodeproj/project.pbxproj
View File

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