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Merge pull request #3820 from dmnyc/fix/nip73-scope-prefetch

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perf(nip73): prefetch external-content preview URLs
This commit is contained in:
Vitor Pamplona
2026-07-29 18:13:30 -04:00
committed by GitHub
parent 112fbb8379 c4c8649fcc
commit 27c863925a
1 changed files with 13 additions and 4 deletions
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amethyst/src/main/java/com/vitorpamplona/amethyst/ui/feeds/PrefetchFeedMedia.kt
+13 -4
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@@ -51,6 +51,8 @@ import com.vitorpamplona.quartz.nip10Notes.TextNoteEvent
import com.vitorpamplona.quartz.nip14Subject.subject
import com.vitorpamplona.quartz.nip22Comments.CommentEvent
import com.vitorpamplona.quartz.nip71Video.image
import com.vitorpamplona.quartz.nip73ExternalIds.scope
import com.vitorpamplona.quartz.nip73ExternalIds.urls.UrlId
import com.vitorpamplona.quartz.nip92IMeta.IMetaTag
import com.vitorpamplona.quartz.nip92IMeta.imetas
import com.vitorpamplona.quartz.nip94FileMetadata.tags.MimeTypeTag
@@ -313,10 +315,10 @@ private class WarmTargets {
/**
* Collects everything worth warming for this note. Reads NIP-92 imeta tags (every
* kind), then the free-text body: text notes and comments go through the shared
* render cache — which both warms the renderer and yields a fully classified body
* — while every other kind gets a cheap URL scan. Returns null only when the note
* has no event.
* kind), the NIP-73 external-content scope (kind 1111 only), then the free-text
* body: text notes and comments go through the shared render cache — which both
* warms the renderer and yields a fully classified body — while every other kind
* gets a cheap URL scan. Returns null only when the note has no event.
*/
private fun Note.collectWarmTargets(): WarmTargets? {
val ev = event ?: return null
@@ -335,6 +337,13 @@ private fun Note.collectWarmTargets(): WarmTargets? {
// imetas() above misses these entirely.
targets.addFileHeaderMedia(ev)
// NIP-73 external-content scope. Only kind 1111 carries one, so the type check
// keeps every other kind out of the tag walk. Reuses scope() — the same accessor
// the renderer uses — so we only warm a URL that will actually be shown.
if (ev is CommentEvent) {
(ev.scope() as? UrlId)?.let { targets.link(it.url) }
}
// Free-text body. The reproducible-key kinds parse through the shared cache
// (which also warms the render); everything else is scanned for URLs only.
val rendered = warmRenderCache(ev)