68 lines
2.1 KiB
JavaScript
68 lines
2.1 KiB
JavaScript
import { useContext, useEffect, useState } from "react";
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import { useDispatch, useSelector } from "react-redux";
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import { NostrContext } from "../..";
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import Event from "../../nostr/Event";
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import { Subscriptions } from "../../nostr/Subscriptions";
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import { addNote, reset } from "../../state/Thread";
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import { addPubKey } from "../../state/Users";
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export default function useThreadFeed(id) {
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const dispatch = useDispatch();
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const system = useContext(NostrContext);
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const notes = useSelector(s => s.thread.notes);
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// track profiles
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useEffect(() => {
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for (let n of notes) {
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if (n.pubkey) {
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dispatch(addPubKey(n.pubkey));
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}
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for(let t of n.tags) {
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if(t[0] === "p" && t[1]) {
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dispatch(addPubKey(t[1]));
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}
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}
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}
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}, [notes]);
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useEffect(() => {
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if (system) {
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let sub = new Subscriptions();
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if (notes.length === 1) {
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let thisNote = Event.FromObject(notes[0]);
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let thread = thisNote.GetThread();
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if (thread !== null) {
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if (thread.ReplyTo) {
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sub.Ids.add(thread.ReplyTo.Event);
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}
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if (thread.Root) {
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sub.Ids.add(thread.Root.Event);
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}
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for (let m of thread.Mentions) {
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sub.Ids.add(m.Event);
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}
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}
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} else if (notes.length === 0) {
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sub.Ids.add(id);
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// get replies to this event
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let subRelated = new Subscriptions();
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subRelated.ETags.add(id);
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sub.AddSubscription(subRelated);
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} else {
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return;
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}
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sub.OnEvent = (e) => {
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dispatch(addNote(e));
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};
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system.AddSubscription(sub);
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return () => system.RemoveSubscription(sub.Id);
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}
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}, [system, notes]);
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useEffect(() => {
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dispatch(reset());
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}, []);
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return { notes };
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} |