Files
lume/src/utils/hooks/useEvent.ts
2023-09-08 15:29:41 +07:00

60 lines
1.5 KiB
TypeScript

import { NDKEvent } from '@nostr-dev-kit/ndk';
import { useQuery } from '@tanstack/react-query';
import { useNDK } from '@libs/ndk/provider';
import { useStorage } from '@libs/storage/provider';
import { toRawEvent } from '@utils/rawEvent';
export function useEvent(id: string, embed?: string) {
const { db } = useStorage();
const { ndk } = useNDK();
const { status, data } = useQuery(
['event', id],
async () => {
// return embed event (nostr.band api) or repost
if (embed) {
const event: NDKEvent = JSON.parse(embed);
return event;
}
// get event from db
const dbEvent = await db.getEventByID(id);
if (dbEvent) return dbEvent;
// get event from relay if event in db not present
const event = await ndk.fetchEvent(id);
if (!event) throw new Error(`Event not found: ${id.toString()}`);
let root: string;
let reply: string;
if (event.tags?.[0]?.[0] === 'e' && !event.tags?.[0]?.[3]) {
root = event.tags[0][1];
} else {
root = event.tags.find((el) => el[3] === 'root')?.[1];
reply = event.tags.find((el) => el[3] === 'reply')?.[1];
}
const rawEvent = toRawEvent(event);
await db.createEvent(
event.id,
JSON.stringify(rawEvent),
event.pubkey,
event.kind,
root,
reply,
event.created_at
);
return event;
},
{
enabled: !!ndk,
refetchOnMount: false,
refetchOnWindowFocus: false,
}
);
return { status, data };
}