28 lines
1.1 KiB
TypeScript
28 lines
1.1 KiB
TypeScript
import { NostrLink, RequestBuilder, NoteCollection } from "@snort/system";
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import { useReactions, useRequestBuilder } from "@snort/system-react";
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import { unixNow } from "@snort/shared";
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import { useMemo } from "react";
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import { LIVE_STREAM_CHAT, WEEK } from "const";
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export function useLiveChatFeed(link: NostrLink, eZaps?: Array<string>) {
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const since = useMemo(() => unixNow() - WEEK, [link.id]);
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const sub = useMemo(() => {
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const rb = new RequestBuilder(`live:${link.id}:${link.author}`);
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rb.withOptions({
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leaveOpen: true,
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});
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const aTag = `${link.kind}:${link.author}:${link.id}`;
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rb.withFilter().kinds([LIVE_STREAM_CHAT]).tag("a", [aTag]).limit(100);
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return rb;
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}, [link.id, since, eZaps]);
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const feed = useRequestBuilder(NoteCollection, sub);
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const messages = useMemo(() => {
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return (feed.data ?? []).filter(ev => ev.kind === LIVE_STREAM_CHAT);
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}, [feed.data]);
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const reactions = useReactions(`live:${link.id}:${link.author}:reactions`, messages.map(a => NostrLink.fromEvent(a)).concat(link), undefined, true);
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return { messages, reactions: reactions.data ?? [] };
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}
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