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import React, { Fragment, memo, useEffect, useRef } from 'react'
import dayjs from 'dayjs'
import utc from 'dayjs/plugin/utc'
dayjs.extend(utc)
import relativeTime from 'dayjs/plugin/relativeTime'
dayjs.extend(relativeTime)
import { Link } from 'react-router-dom'
import Icon from './Icon'
import Avatar from './Avatar'
import { UserLink } from './UserInfo'
import { format, embedUrls } from '../utils/embed'
import { useVisitor } from './VisitorContext'
/**
* @callback ToggleSubscriptionCallback
* @param { import('../client').Message } message
*/
/**
* @typedef {object} MessageProps
* @property { import('../client').Message } data data
* @property {boolean} isThread
* @property {ToggleSubscriptionCallback} onToggleSubscription
*/
/**
* Message component
* @param {React.PropsWithChildren<{}> & MessageProps} props props
*/
export default function Message({ data, isThread, onToggleSubscription, children }) {
const [visitor] = useVisitor()
const isCode = (data.tags || []).indexOf('code') >= 0
const likesSummary = data.likes ? `${data.likes}` : 'Recommend'
const commentsSummary = data.replies ? `${data.replies}` : 'Comment'
/**
* @type {React.MutableRefObject<HTMLDivElement?>}
*/
const embedRef = useRef(null)
/**
* @type {React.MutableRefObject<HTMLDivElement?>}
*/
const msgRef = useRef(null)
useEffect(() => {
const msg = msgRef.current
const embed = embedRef.current
if (msg && embed) {
embedUrls(msg.querySelectorAll('a'), embed)
if (!embed.hasChildNodes()) {
embed.style.display = 'none'
}
}
}, [])
const canComment = data.user && visitor.uid === data.user.uid || !data.ReadOnly && visitor.uid > 0
|| !data.ReadOnly && !isThread
return (
<div className="msg-cont">
<Recommendations forMessage={data} />
<header className="h">
{
data.user &&
<Avatar user={data.user}>
<div className="msg-ts">
<Link to={`/${data.user.uname}/${data.mid}`} state={{ data: data }}>
<time dateTime={data.timestamp}
title={dayjs.utc(data.timestamp).local().format('lll')}>
{dayjs.utc(data.timestamp).fromNow()}
</time>
</Link>
{
visitor.uid == data.user.uid &&
<>
<span> · </span>
<Link to={{
pathname: '/post',
}} state={{ data: data }}>Edit</Link>
</>
}
</div>
</Avatar>
}
</header>
{
data.body && data.user && data.mid &&
<div className="msg-txt" ref={msgRef}>
<TagsList user={data.user} data={data.tags || []} />
<MessageContainer isCode={isCode} data={{ __html: format(data.body, data.mid.toString(), isCode) }} />
</div>
}
{
data.photo && data.attachment && data.attachment.small &&
<div className="msg-media">
<a href={`https://i.juick.com/p/${data.mid}.${data.attach}`} data-fname={`${data.mid}.${data.attach}`}>
<img src={data.attachment.small.url} width={data.attachment.small.width} height={data.attachment.small.height} alt="Message media" />
</a>
</div>
}
<div className="embedContainer" ref={embedRef} />
{canComment &&
<nav className="l">
{data.user && visitor.uid === data.user.uid ? (
<Link to={`/${data.user.uname}/${data.mid}`} className="a-like msg-button"
state={{ data: data }}>
<Icon name="ei-heart" size="s" />
<span>{likesSummary}</span>
</Link>
) : visitor.uid > 0 ? (
<Link to={'/post'} className="a-like msg-button">
<Icon name="ei-heart" size="s" />
<span>{likesSummary}</span>
</Link>
) : (
<Link to="/login" className="a-login msg-button">
<Icon name="ei-heart" size="s" />
<span>{likesSummary}</span>
</Link>
)}
{
data.user && canComment && ((
isThread ? (
<a className="msg-button" onClick={() => { onToggleSubscription(data) }}>
{
data.subscribed ? (<>
<Icon name="ei-check" size="s" />
<span>Subscribed</span>
</>) : (<>
<Icon name="ei-eye" size="s" />
<span>Subscribe</span>
</>)}
</a>
) : (
<Link to={`/${data.user.uname}/${data.mid}`} className="a-comment msg-button"
state={{ data: data }}>
<Icon name="ei-comment" size="s" />
<span>{commentsSummary}</span>
</Link>
)
))
}
</nav>
}
{children}
</div >
)
}
/**
* @param {{isCode: boolean, data: {__html: string}}} props props
*/
function MessageContainer({ isCode, data }) {
return isCode ? (<pre dangerouslySetInnerHTML={data} />) : (<span dangerouslySetInnerHTML={data} />)
}
/**
* Tags component
* @param {{user: import('../client').User, data: string[]}} props props
*/
function Tags({ data, user }) {
return data.length > 0 ? (
<span className="msg-tags">
{
data.map((tag, index) => (
<Fragment key={tag}>
{index > 0 && ' '}
<Link key={tag} to={`/${user.uname}?tag=${tag}`} title={tag}>
{tag}
</Link>
</Fragment>
))
}
</span>
) : null
}
const TagsList = memo(Tags)
/**
*
* @param {{forMessage: import('../client').Message}} props props
*/
function Recommends({ forMessage }) {
const { recommendations } = forMessage
const likes = forMessage.likes || 0
return recommendations && recommendations.length > 0 && (
<div className="msg-recomms">{'♡ by '}
{
recommendations.map((it, index) => (
<Fragment key={it.uri || it.uid}>
{index > 0 && ', '}
<UserLink key={it.uri || it.uid} user={it} />
</Fragment>
))
}
{
likes > recommendations.length && (<span> and {likes - recommendations.length} others</span>)
}
</div>
) || null
}
const Recommendations = memo(Recommends)
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