Files
lume/src/utils/hooks/useSocial.tsx
2023-07-09 07:21:41 +07:00

91 lines
2.3 KiB
TypeScript

import { NDKEvent, NDKFilter } from '@nostr-dev-kit/ndk';
import { useQuery, useQueryClient } from '@tanstack/react-query';
import { useNDK } from '@libs/ndk/provider';
import { createNote } from '@libs/storage';
import { dateToUnix, getHourAgo } from '@utils/date';
import { useAccount } from '@utils/hooks/useAccount';
import { usePublish } from '@utils/hooks/usePublish';
import { nip02ToArray } from '@utils/transform';
export function useSocial() {
const queryClient = useQueryClient();
const publish = usePublish();
const { ndk } = useNDK();
const { account } = useAccount();
const { status, data: userFollows } = useQuery(
['userFollows', account.pubkey],
async () => {
const res = await ndk.fetchEvents({
kinds: [3],
authors: [account.pubkey],
});
const latest = [...res].slice(-1)[0];
const list = nip02ToArray(latest.tags);
return list;
},
{
enabled: account ? true : false,
refetchOnReconnect: false,
refetchOnMount: false,
refetchOnWindowFocus: false,
}
);
const unfollow = (pubkey: string) => {
const followsAsSet = new Set(userFollows);
followsAsSet.delete(pubkey);
const tags = [];
followsAsSet.forEach((item) => {
tags.push(['p', item]);
});
// publish event
publish({ content: '', kind: 3, tags: tags });
// invalid cache
queryClient.invalidateQueries({
queryKey: ['userFollows', account.pubkey],
});
};
const follow = async (pubkey: string) => {
const followsAsSet = new Set(userFollows);
followsAsSet.add(pubkey);
const tags = [];
followsAsSet.forEach((item) => {
tags.push(['p', item]);
});
// publish event
publish({ content: '', kind: 3, tags: tags });
// invalid cache
queryClient.invalidateQueries({
queryKey: ['userFollows', account.pubkey],
});
// fetch events
const filter: NDKFilter = {
authors: [pubkey],
kinds: [1, 6],
since: dateToUnix(getHourAgo(48, new Date())),
};
const events = await ndk.fetchEvents(filter);
events.forEach((event: NDKEvent) => {
createNote(
event.id,
event.pubkey,
event.kind,
event.tags,
event.content,
event.created_at
);
});
};
return { status, userFollows, follow, unfollow };
}