lbry-desktop/ui/component/commentsReplies/view.jsx
2022-04-02 09:27:07 -04:00

120 lines
3.9 KiB
JavaScript

// @flow
import * as ICONS from 'constants/icons';
import Button from 'component/button';
import Comment from 'component/comment';
import React from 'react';
import Spinner from 'component/spinner';
type Props = {
fetchedReplies: Array<Comment>,
resolvedReplies: Array<Comment>,
uri: string,
parentId: string,
claimIsMine: boolean,
linkedCommentId?: string,
userCanComment: boolean,
threadDepth: number,
numDirectReplies: number, // Total replies for parentId as reported by 'comment[replies]'. Includes blocked items.
isFetchingByParentId: { [string]: boolean },
hasMore: boolean,
supportDisabled: boolean,
doResolveUris: (Array<string>) => void,
onShowMore?: () => void,
};
function CommentsReplies(props: Props) {
const {
uri,
parentId,
fetchedReplies,
resolvedReplies,
claimIsMine,
linkedCommentId,
userCanComment,
threadDepth,
numDirectReplies,
isFetchingByParentId,
hasMore,
supportDisabled,
doResolveUris,
onShowMore,
} = props;
const [isExpanded, setExpanded] = React.useState(true);
const [commentsToDisplay, setCommentsToDisplay] = React.useState(fetchedReplies);
const isResolvingReplies = fetchedReplies && resolvedReplies.length !== fetchedReplies.length;
const alreadyResolved = !isResolvingReplies && resolvedReplies.length !== 0;
const canDisplayComments = commentsToDisplay && fetchedReplies && commentsToDisplay.length === fetchedReplies.length;
// Batch resolve comment channel urls
React.useEffect(() => {
if (!fetchedReplies || alreadyResolved) return;
const urisToResolve = [];
fetchedReplies.map(({ channel_url }) => channel_url !== undefined && urisToResolve.push(channel_url));
if (urisToResolve.length > 0) doResolveUris(urisToResolve);
}, [alreadyResolved, doResolveUris, fetchedReplies]);
// Wait to only display topLevelComments after resolved or else
// other components will try to resolve again, like channelThumbnail
React.useEffect(() => {
if (!isResolvingReplies) setCommentsToDisplay(fetchedReplies);
}, [isResolvingReplies, fetchedReplies]);
return !numDirectReplies ? null : (
<div className="comment__replies-container">
{!isExpanded ? (
<div className="comment__actions--nested">
<Button
className="comment__action"
label={__('Show Replies')}
onClick={() => setExpanded(!isExpanded)}
icon={isExpanded ? ICONS.UP : ICONS.DOWN}
/>
</div>
) : (
<div className="comment__replies">
<Button className="comment__threadline" aria-label="Hide Replies" onClick={() => setExpanded(false)} />
<ul className="comments--replies">
{!isResolvingReplies &&
commentsToDisplay &&
commentsToDisplay.length > 0 &&
commentsToDisplay.map((comment) => (
<Comment
key={comment.comment_id}
threadDepth={threadDepth}
uri={uri}
comment={comment}
claimIsMine={claimIsMine}
linkedCommentId={linkedCommentId}
commentingEnabled={userCanComment}
supportDisabled={supportDisabled}
/>
))}
</ul>
</div>
)}
{isExpanded && fetchedReplies && hasMore && (
<div className="comment__actions--nested">
<Button
button="link"
label={__('Show more')}
onClick={() => onShowMore && onShowMore()}
className="button--uri-indicator"
/>
</div>
)}
{(isFetchingByParentId[parentId] || isResolvingReplies || !canDisplayComments) && (
<div className="comment__replies-container">
<div className="comment__actions--nested">
<Spinner type="small" />
</div>
</div>
)}
</div>
);
}
export default CommentsReplies;