nostr-hooks/dist/nip29/queries/use-group-leave-requests/index.js

React hooks for developing Nostr clients

import { useEffect } from 'react';
import { useSubscription } from '../../../hooks';
import { useNip29Store } from '../../../nip29/store';
const addGroupLeaveRequest = useNip29Store.getState().addGroupLeaveRequest;
export const useGroupLeaveRequests = (relay, groupId, filter) => {
    const subId = relay && groupId ? `${relay}-${groupId}-leaveRequests-${JSON.stringify(filter)}` : undefined;
    const leaveRequests = useNip29Store((state) => subId && groupId ? state.groups[subId]?.[groupId]?.leaveRequests : undefined);
    const { events, hasMore, isLoading, createSubscription, loadMore } = useSubscription(subId);
    useEffect(() => {
        if (!relay || !groupId || !subId)
            return;
        if (filter?.byPubkey?.waitForPubkey && !filter.byPubkey.pubkey)
            return;
        if (filter?.byId?.waitForId && !filter.byId.id)
            return;
        let f = { kinds: [9022], limit: filter?.limit || 10 };
        if (groupId)
            f['#h'] = [groupId];
        if (filter?.byPubkey?.pubkey)
            f.authors = [filter?.byPubkey?.pubkey];
        if (filter?.byId?.id)
            f.ids = [filter?.byId?.id];
        if (filter?.since)
            f.since = filter.since;
        if (filter?.until)
            f.until = filter.until;
        const filters = [f];
        const relayUrls = [relay];
        const onEvent = (event) => {
            const joinRequest = {
                id: event.id,
                pubkey: event.pubkey,
                reason: event.getMatchingTags('reason')?.[0]?.[1] || '',
                timestamp: event.created_at || 0,
            };
            addGroupLeaveRequest(subId, groupId, joinRequest);
        };
        createSubscription({ filters, relayUrls, onEvent });
    }, [
        subId,
        relay,
        groupId,
        filter?.byPubkey?.pubkey,
        filter?.byPubkey?.waitForPubkey,
        filter?.byId?.id,
        filter?.byId?.waitForId,
        filter?.since,
        filter?.until,
        createSubscription,
    ]);
    return {
        leaveRequests,
        isLoadingLeaveRequests: isLoading,
        hasMoreLeaveRequests: hasMore,
        loadMoreLeaveRequests: loadMore,
        leaveRequestsEvents: events,
    };
};
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