36 lines
1.1 KiB
TypeScript
36 lines
1.1 KiB
TypeScript
import { useEffect } from 'react';
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import { AppState, type AppStateStatus } from 'react-native';
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import { apiFetch } from '../lib/api';
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const ping = (reason: string) => {
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apiFetch('/api/me/last-seen', { method: 'POST' })
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.catch((e) => console.warn('[presence] heartbeat FAIL (' + reason + '):', e?.message ?? e));
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};
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export function useLastSeenHeartbeat(enabled: boolean) {
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useEffect(() => {
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if (!enabled) return;
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// 60s-Interval während App im Foreground
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const interval = setInterval(() => {
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if (AppState.currentState === 'active') {
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ping('interval');
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}
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}, 60_000);
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// Phase-2-Alternative zur Edge-Function: bei App-Background sofort einen
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// finalen Ping → lastSeenAt ist exakt der Schließ-Zeitpunkt, kein 60s-Lag
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// mehr für den letzten-aktiv-Zustand. 90% Edge-Function-Gewinn ohne Setup.
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const sub = AppState.addEventListener('change', (next: AppStateStatus) => {
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if (next === 'background' || next === 'inactive') {
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ping('background');
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}
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});
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return () => {
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clearInterval(interval);
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sub.remove();
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};
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}, [enabled]);
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}
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