lbry-desktop/ui/component/comment/view.jsx
2019-12-04 13:24:57 -05:00

87 lines
2.4 KiB
JavaScript

// @flow
import React, { useEffect } from 'react';
import { isEmpty } from 'util/object';
import relativeDate from 'tiny-relative-date';
import Button from 'component/button';
import Expandable from 'component/expandable';
import MarkdownPreview from 'component/common/markdown-preview';
import ChannelThumbnail from 'component/channelThumbnail';
type Props = {
author: string,
authorUri: string,
message: string,
timePosted: number,
claim: ?Claim,
pending?: boolean,
resolveUri: string => void,
isResolvingUri: boolean,
channelIsBlocked: boolean,
};
const LENGTH_TO_COLLAPSE = 300;
function Comment(props: Props) {
const {
author,
authorUri,
timePosted,
message,
pending,
claim,
isResolvingUri,
resolveUri,
channelIsBlocked,
} = props;
// to debounce subsequent requests
const shouldFetch =
claim === undefined || (claim !== null && claim.value_type === 'channel' && isEmpty(claim.meta) && !pending);
useEffect(() => {
// If author was extracted from the URI, then it must be valid.
if (authorUri && author && !isResolvingUri && shouldFetch) {
resolveUri(authorUri);
}
}, [isResolvingUri, shouldFetch, author, authorUri, resolveUri]);
return (
<li className="comment">
<div className="comment__author-thumbnail">
{authorUri ? <ChannelThumbnail uri={authorUri} obscure={channelIsBlocked} small /> : <ChannelThumbnail small />}
</div>
<div className="comment__body_container">
<span className="comment__meta">
{!author ? (
<span className="comment__author">{__('Anonymous')}</span>
) : (
<Button
className="button--uri-indicator truncated-text comment__author"
navigate={authorUri}
label={author}
/>
)}
<time className="comment__time" dateTime={timePosted}>
{relativeDate(timePosted)}
</time>
</span>
<div>
{message.length >= LENGTH_TO_COLLAPSE ? (
<div className="comment__message">
<Expandable>
<MarkdownPreview content={message} />
</Expandable>
</div>
) : (
<div className="comment__message">
<MarkdownPreview content={message} />
</div>
)}
</div>
</div>
</li>
);
}
export default Comment;