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Filter the discarded feed timestamps on their own keys

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The two dictionaries are not guaranteed to agree, and walking only the
video keys left a timestamp behind for any feed entry that had already
lost its videos. Nothing reads it — validity requires the videos too —
but it names a feed this login was never shown.
This commit is contained in:
Arkadiusz Fal
2026-08-30 16:56:53 +02:00
parent 00bab2ae63
commit d1e1948409
1 changed files with 7 additions and 4 deletions
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11
Yattee/Services/HomeInstanceCache.swift
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@@ -97,12 +97,15 @@ final class HomeInstanceCache {
// popular and trending, which are public and cost a cold start
// to fetch again. Anything the new login has already cached
// wins over what came off disk.
let isFeedKey = { (key: String) in
key.hasSuffix("_\(InstanceContentType.feed.rawValue)")
}
var videos = cacheData.videos
var timestamps = cacheData.lastUpdated
for key in videos.keys where key.hasSuffix("_\(InstanceContentType.feed.rawValue)") {
videos.removeValue(forKey: key)
timestamps.removeValue(forKey: key)
}
// Filtered independently: a timestamp can outlive its entry,
// and one left behind is a feed this login was never shown.
videos = videos.filter { !isFeedKey($0.key) }
timestamps = timestamps.filter { !isFeedKey($0.key) }
videos.merge(cache) { _, current in current }
timestamps.merge(lastUpdated) { _, current in current }