Derek Ross
adc370a598
Implement NIP-53 staleness heuristic (24h threshold) to mark abandoned status=live streams as ended. Fetch all streams globally and filter follows client-side (including p-tag participants for streaming services). Add Live/Planned/Past pill tabs to the streams strip on /videos. Also fix pre-existing bug where the volume icon showed unmuted while the video was actually muted (autoplay requires muted), by syncing the initial muted state from the media element in usePlayerControls. Closes #88
35 lines
1.1 KiB
TypeScript
35 lines
1.1 KiB
TypeScript
import type { NostrEvent } from '@nostrify/nostrify';
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/**
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* Staleness threshold in seconds.
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*
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* NIP-53 suggests 1 hour, but in practice relays often serve older versions
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* of addressable events (different `created_at` depending on query filters),
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* which causes false positives at short thresholds. 24 hours is lenient
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* enough to avoid misclassifying genuinely live streams while still catching
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* streams that were abandoned without setting `status=ended`.
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*/
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const STALE_THRESHOLD_SECONDS = 24 * 3600; // 24 hours
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/**
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* Returns the effective stream status for a kind 30311 event, applying
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* a staleness heuristic inspired by NIP-53: a `status=live` event whose
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* `created_at` is older than 24 hours is treated as `ended`.
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*
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* When no status tag is present the event is treated as `ended`.
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*/
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export function getEffectiveStreamStatus(event: NostrEvent): string {
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const status = event.tags.find(([n]) => n === 'status')?.[1] ?? 'ended';
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if (status === 'live') {
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const now = Math.floor(Date.now() / 1000);
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if (now - event.created_at > STALE_THRESHOLD_SECONDS) {
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return 'ended';
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}
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}
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return status;
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}
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