Fix updating channel's preview message when coming back to online #3574
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laevandus
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🐞 Bug
laevandus
commented
Jan 28, 2025
| // Ignore cache when inserted (but not yet saved) object id is present | ||
| guard !objectIds.contains(where: { $0.isTemporaryID }) else { return false } | ||
| // Context has pending inserted or deleted objects of this type (can affect ids returned by the fetch request) | ||
| guard !insertedObjects.contains(where: { $0 is T }) && !deletedObjects.contains(where: { $0 is T }) else { return false } |
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Theoretically speaking even updatedObjects could change results, but this will take away the benefit of the cache. Based on the history, it was added for speeding up channel list payload writes.
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nuno-vieira
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Jan 28, 2025
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testableapple
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# Conflicts: # CHANGELOG.md
martinmitrevski
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Feb 3, 2025
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@testableapple found that in some cases the preview message can end up being nil and then the channel list shows "No messages" as the preview. Reproduced it once, but don't know which code path triggers. |
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🔗 Issue Links
Resolves IOS-680
🎯 Goal
Channel's preview message did not update when coming back online
📝 Summary
🛠 Implementation
Ignore cached results if there are new objects inserted or deleted for that type.
🎨 Showcase
Add relevant screenshots and/or videos/gifs to easily see what this PR changes, if applicable.
🧪 Manual Testing Notes
☑️ Contributor Checklist
docs-contentrepo