import "./Note.css";
import { useCallback, useMemo, useState, useLayoutEffect, ReactNode } from "react";
import { useNavigate, Link } from "react-router-dom";
import { useInView } from "react-intersection-observer";
import { default as NEvent } from "Nostr/Event";
import ProfileImage from "Element/ProfileImage";
import Text from "Element/Text";
import { eventLink, getReactions, hexToBech32 } from "Util";
import NoteFooter, { Translation } from "Element/NoteFooter";
import NoteTime from "Element/NoteTime";
import ShowMore from "Element/ShowMore";
import EventKind from "Nostr/EventKind";
import { useUserProfiles } from "Feed/ProfileFeed";
import { TaggedRawEvent, u256 } from "Nostr";
import useModeration from "Hooks/useModeration";
export interface NoteProps {
data?: TaggedRawEvent,
className?: string
related: TaggedRawEvent[],
highlight?: boolean,
ignoreModeration?: boolean,
options?: {
showHeader?: boolean,
showTime?: boolean,
showFooter?: boolean
},
["data-ev"]?: NEvent
}
const HiddenNote = ({ children }: any) => {
const [show, setShow] = useState(false)
return show ? children : (
This author has been muted
)
}
export default function Note(props: NoteProps) {
const navigate = useNavigate();
const { data, className, related, highlight, options: opt, ["data-ev"]: parsedEvent, ignoreModeration = false} = props
const ev = useMemo(() => parsedEvent ?? new NEvent(data), [data]);
const pubKeys = useMemo(() => ev.Thread?.PubKeys || [], [ev]);
const users = useUserProfiles(pubKeys);
const deletions = useMemo(() => getReactions(related, ev.Id, EventKind.Deletion), [related]);
const { isMuted } = useModeration()
const isOpMuted = isMuted(ev.PubKey)
const { ref, inView, entry } = useInView({ triggerOnce: true });
const [extendable, setExtendable] = useState(false);
const [showMore, setShowMore] = useState(false);
const baseClassname = `note card ${props.className ? props.className : ''}`
const [translated, setTranslated] = useState();
const replyId = ev.Thread?.ReplyTo?.Event ?? ev.Thread?.Root?.Event;
const options = {
showHeader: true,
showTime: true,
showFooter: true,
...opt
};
const transformBody = useCallback(() => {
let body = ev?.Content ?? "";
if (deletions?.length > 0) {
return (Deleted);
}
return ;
}, [ev]);
useLayoutEffect(() => {
if (entry && inView && extendable === false) {
let h = entry?.target.clientHeight ?? 0;
if (h > 650) {
setExtendable(true);
}
}
}, [inView, entry, extendable]);
function goToEvent(e: any, id: u256) {
e.stopPropagation();
navigate(eventLink(id));
}
function replyTag() {
if (ev.Thread === null) {
return null;
}
const maxMentions = 2;
let replyId = ev.Thread?.ReplyTo?.Event ?? ev.Thread?.Root?.Event;
let mentions: { pk: string, name: string, link: ReactNode }[] = [];
for (let pk of ev.Thread?.PubKeys) {
const u = users?.get(pk);
const npub = hexToBech32("npub", pk)
const shortNpub = npub.substring(0, 12);
if (u) {
mentions.push({
pk,
name: u.name ?? shortNpub,
link: (
{u.name ? `@${u.name}` : shortNpub}
)
});
} else {
mentions.push({
pk,
name: shortNpub,
link: (
{shortNpub}
)
});
}
}
mentions.sort((a, b) => a.name.startsWith("npub") ? 1 : -1);
let othersLength = mentions.length - maxMentions
const renderMention = (m: any, idx: number) => {
return (
<>
{idx > 0 && ", "}
{m.link}
>
)
}
const pubMentions = mentions.length > maxMentions ? (
mentions?.slice(0, maxMentions).map(renderMention)
) : mentions?.map(renderMention);
const others = mentions.length > maxMentions ? ` & ${othersLength} other${othersLength > 1 ? 's' : ''}` : ''
return (
re:
{(mentions?.length ?? 0) > 0 ? (
<>
{pubMentions}
{others}
>
) : replyId && (
{hexToBech32("note", replyId)?.substring(0, 12)}
)}
)
}
if (ev.Kind !== EventKind.TextNote) {
return (
<>
Unknown event kind: {ev.Kind}
{JSON.stringify(ev.ToObject(), undefined, ' ')}
>
);
}
function translation() {
if (translated && translated.confidence > 0.5) {
return <>
Translated from {translated.fromLanguage}:
{translated.text}
>
} else if (translated) {
return Translation failed
}
}
function content() {
if (!inView) return null;
return (
<>
{options.showHeader ?
{options.showTime ?
: null}
: null}
goToEvent(e, ev.Id)}>
{transformBody()}
{translation()}
{extendable && !showMore && (
setShowMore(true)}>
Show more
)}
{options.showFooter && setTranslated(t)} />}
>
)
}
const note = (
{content()}
)
return !ignoreModeration && isOpMuted ? {note} : note
}