298 lines
8.5 KiB
TypeScript
298 lines
8.5 KiB
TypeScript
import React, { HTMLProps, useEffect, useState } from "react";
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import { useSelector, useDispatch } from "react-redux";
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import { useIntl } from "react-intl";
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import { useLongPress } from "use-long-press";
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import { TaggedNostrEvent, HexKey, u256, ParsedZap, countLeadingZeros } from "@snort/system";
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import { LNURL } from "@snort/shared";
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import { useUserProfile } from "@snort/system-react";
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import Icon from "Icons/Icon";
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import Spinner from "Icons/Spinner";
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import { formatShort } from "Number";
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import useEventPublisher from "Feed/EventPublisher";
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import { delay, findTag, normalizeReaction, unwrap } from "SnortUtils";
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import { NoteCreator } from "Element/NoteCreator";
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import SendSats from "Element/SendSats";
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import { ZapsSummary } from "Element/Zap";
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import { RootState } from "State/Store";
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import { setReplyTo, setShow, reset } from "State/NoteCreator";
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import { useWallet } from "Wallet";
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import useLogin from "Hooks/useLogin";
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import { useInteractionCache } from "Hooks/useInteractionCache";
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import { ZapPoolController } from "ZapPoolController";
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import { System } from "index";
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import messages from "./messages";
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let isZapperBusy = false;
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const barrierZapper = async <T,>(then: () => Promise<T>): Promise<T> => {
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while (isZapperBusy) {
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await delay(100);
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}
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isZapperBusy = true;
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try {
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return await then();
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} finally {
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isZapperBusy = false;
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}
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};
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export interface NoteFooterProps {
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reposts: TaggedNostrEvent[];
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zaps: ParsedZap[];
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positive: TaggedNostrEvent[];
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ev: TaggedNostrEvent;
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}
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export default function NoteFooter(props: NoteFooterProps) {
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const { ev, positive, reposts, zaps } = props;
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const dispatch = useDispatch();
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const { formatMessage } = useIntl();
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const login = useLogin();
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const { publicKey, preferences: prefs, relays } = login;
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const author = useUserProfile(System, ev.pubkey);
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const interactionCache = useInteractionCache(publicKey, ev.id);
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const publisher = useEventPublisher();
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const showNoteCreatorModal = useSelector((s: RootState) => s.noteCreator.show);
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const replyTo = useSelector((s: RootState) => s.noteCreator.replyTo);
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const willRenderNoteCreator = showNoteCreatorModal && replyTo?.id === ev.id;
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const [tip, setTip] = useState(false);
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const [zapping, setZapping] = useState(false);
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const walletState = useWallet();
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const wallet = walletState.wallet;
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const isMine = ev.pubkey === publicKey;
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const zapTotal = zaps.reduce((acc, z) => acc + z.amount, 0);
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const didZap = interactionCache.data.zapped || zaps.some(a => a.sender === publicKey);
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const longPress = useLongPress(
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e => {
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e.stopPropagation();
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setTip(true);
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},
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{
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captureEvent: true,
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}
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);
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function hasReacted(emoji: string) {
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return (
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interactionCache.data.reacted ||
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positive?.some(({ pubkey, content }) => normalizeReaction(content) === emoji && pubkey === publicKey)
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);
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}
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function hasReposted() {
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return interactionCache.data.reposted || reposts.some(a => a.pubkey === publicKey);
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}
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async function react(content: string) {
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if (!hasReacted(content) && publisher) {
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const evLike = await publisher.react(ev, content);
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System.BroadcastEvent(evLike);
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await interactionCache.react();
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}
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}
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async function repost() {
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if (!hasReposted() && publisher) {
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if (!prefs.confirmReposts || window.confirm(formatMessage(messages.ConfirmRepost, { id: ev.id }))) {
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const evRepost = await publisher.repost(ev);
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System.BroadcastEvent(evRepost);
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await interactionCache.repost();
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}
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}
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}
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function getLNURL() {
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return ev.tags.find(a => a[0] === "zap")?.[1] || author?.lud16 || author?.lud06;
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}
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function getTargetName() {
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const zapTarget = ev.tags.find(a => a[0] === "zap")?.[1];
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if (zapTarget) {
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return new LNURL(zapTarget).name;
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} else {
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return author?.display_name || author?.name;
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}
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}
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async function fastZap(e?: React.MouseEvent) {
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if (zapping || e?.isPropagationStopped()) return;
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const lnurl = getLNURL();
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if (wallet?.isReady() && lnurl) {
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setZapping(true);
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try {
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await fastZapInner(lnurl, prefs.defaultZapAmount, ev.pubkey, ev.id);
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} catch (e) {
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console.warn("Fast zap failed", e);
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if (!(e instanceof Error) || e.message !== "User rejected") {
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setTip(true);
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}
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} finally {
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setZapping(false);
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}
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} else {
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setTip(true);
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}
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}
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async function fastZapInner(lnurl: string, amount: number, key: HexKey, id?: u256) {
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// only allow 1 invoice req/payment at a time to avoid hitting rate limits
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await barrierZapper(async () => {
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const handler = new LNURL(lnurl);
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await handler.load();
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const zr = Object.keys(relays.item);
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const zap = handler.canZap && publisher ? await publisher.zap(amount * 1000, key, zr, id) : undefined;
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const invoice = await handler.getInvoice(amount, undefined, zap);
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await wallet?.payInvoice(unwrap(invoice.pr));
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ZapPoolController.allocate(amount);
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await interactionCache.zap();
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});
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}
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useEffect(() => {
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if (prefs.autoZap && !didZap && !isMine && !zapping) {
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const lnurl = getLNURL();
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if (wallet?.isReady() && lnurl) {
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setZapping(true);
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queueMicrotask(async () => {
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try {
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await fastZapInner(lnurl, prefs.defaultZapAmount, ev.pubkey, ev.id);
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} catch {
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// ignored
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} finally {
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setZapping(false);
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}
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});
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}
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}
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}, [prefs.autoZap, author, zapping]);
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function powIcon() {
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const pow = findTag(ev, "nonce") ? countLeadingZeros(ev.id) : undefined;
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if (pow) {
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return (
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<AsyncFooterIcon title={formatMessage({ defaultMessage: "Proof of Work" })} iconName="diamond" value={pow} />
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);
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}
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}
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function tipButton() {
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const service = getLNURL();
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if (service) {
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return (
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<AsyncFooterIcon
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className={didZap ? "reacted" : ""}
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{...longPress()}
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iconName={wallet?.isReady() ? "zapFast" : "zap"}
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value={zapTotal}
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onClick={e => fastZap(e)}
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/>
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);
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}
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return null;
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}
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function repostIcon() {
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return (
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<AsyncFooterIcon
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className={hasReposted() ? "reacted" : ""}
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iconName="repeat"
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value={reposts.length}
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onClick={() => repost()}
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/>
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);
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}
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function reactionIcons() {
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if (!prefs.enableReactions) {
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return null;
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}
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const reacted = hasReacted("+");
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return (
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<AsyncFooterIcon
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className={reacted ? "reacted" : ""}
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iconName={reacted ? "heart-solid" : "heart"}
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value={positive.length}
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onClick={() => react(prefs.reactionEmoji)}
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/>
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);
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}
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const handleReplyButtonClick = () => {
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if (replyTo?.id !== ev.id) {
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dispatch(reset());
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}
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dispatch(setReplyTo(ev));
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dispatch(setShow(!showNoteCreatorModal));
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};
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return (
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<>
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<div className="footer">
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<div className="footer-reactions">
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{tipButton()}
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{reactionIcons()}
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{repostIcon()}
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<AsyncFooterIcon
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className={showNoteCreatorModal ? "reacted" : ""}
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iconName="reply"
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onClick={async () => handleReplyButtonClick()}
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/>
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{powIcon()}
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</div>
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{willRenderNoteCreator && <NoteCreator />}
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<SendSats
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lnurl={getLNURL()}
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onClose={() => setTip(false)}
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show={tip}
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author={author?.pubkey}
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target={getTargetName()}
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note={ev.id}
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allocatePool={true}
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/>
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</div>
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<ZapsSummary zaps={zaps} />
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</>
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);
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}
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interface AsyncFooterIconProps extends HTMLProps<HTMLDivElement> {
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iconName: string;
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value?: number;
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loading?: boolean;
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onClick?: (e: React.MouseEvent<HTMLDivElement>) => Promise<void>;
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}
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function AsyncFooterIcon(props: AsyncFooterIconProps) {
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const [loading, setLoading] = useState(props.loading ?? false);
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async function handleClick(e: React.MouseEvent<HTMLDivElement>) {
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setLoading(true);
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try {
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if (props.onClick) {
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await props.onClick(e);
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}
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} catch (ex) {
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console.error(ex);
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}
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setLoading(false);
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}
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return (
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<div
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{...props}
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className={`reaction-pill${props.className ? ` ${props.className}` : ""}`}
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onClick={e => handleClick(e)}>
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{loading ? <Spinner /> : <Icon name={props.iconName} size={18} />}
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{props.value && <div className="reaction-pill-number">{formatShort(props.value)}</div>}
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</div>
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);
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}
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