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