Files
lume/src/utils/hooks/useProfile.tsx
2023-07-10 14:20:36 +07:00

40 lines
1.2 KiB
TypeScript

import { NDKFilter } from '@nostr-dev-kit/ndk';
import { useQuery } from '@tanstack/react-query';
import { useNDK } from '@libs/ndk/provider';
import { createMetadata, getUserMetadata } from '@libs/storage';
export function useProfile(pubkey: string, fallback?: string) {
const { ndk } = useNDK();
const {
status,
data: user,
error,
isFetching,
} = useQuery(['user', pubkey], async () => {
if (!fallback) {
const current = Math.floor(Date.now() / 1000);
const cache = await getUserMetadata(pubkey);
if (cache && parseInt(cache.created_at) + 86400 >= current) {
return cache;
} else {
const filter: NDKFilter = { kinds: [0], authors: [pubkey] };
const events = await ndk.fetchEvents(filter);
const latest = [...events].slice(-1)[0];
if (latest) {
await createMetadata(pubkey, pubkey, latest.content);
return JSON.parse(latest.content);
} else {
await createMetadata(pubkey, pubkey, [...events][0].content);
return JSON.parse([...events][0].content);
}
}
} else {
const profile = JSON.parse(fallback);
return profile;
}
});
return { status, user, error, isFetching };
}