Files
remark42/web/app/components/thread/thread.jsx
T
2018-06-03 18:36:56 +03:00

97 lines
2.6 KiB
React

import { h, Component } from 'preact';
import { LS_COLLAPSE_KEY } from 'common/constants';
import { siteId, url } from 'common/settings';
import store from 'common/store';
import Comment from 'components/comment';
export default class Thread extends Component {
constructor(props) {
super(props);
if (this.props.data && this.props.data.comment) {
this.updateCollapsedState(this.props.data.comment);
}
this.onCollapseToggle = this.onCollapseToggle.bind(this);
}
componentWillReceiveProps(nextProps) {
if (nextProps.data && nextProps.data.comment) {
this.updateCollapsedState(nextProps.data.comment);
}
}
updateCollapsedState(comment) {
const config = store.get('config') || {};
const score = comment.score || 0;
this.lsCollapsedID = `${siteId}_${url}_${comment.id}`;
this.state = {
collapsed: !this.state.isCollapsedChanged && score <= config.critical_score
|| getCollapsedComments().includes(this.lsCollapsedID),
isCollapsedChanged: true,
};
}
onCollapseToggle() {
const collapsed = !this.state.collapsed;
this.setState({ collapsed: !this.state.collapsed });
let collapsedComments = getCollapsedComments();
if (collapsed) {
if (!collapsedComments.includes(this.lsCollapsedID)) {
collapsedComments = collapsedComments.concat(this.lsCollapsedID);
}
} else {
collapsedComments = collapsedComments.filter(id => id !== this.lsCollapsedID);
}
saveCollapsedComments(collapsedComments);
}
render(props, { collapsed }) {
const { data: { comment, replies = [] }, mods = {} } = props;
return (
<div
className={b('thread', props)}
role={['listitem'].concat(!collapsed && replies.length ? 'list' : [])}
aria-expanded={!collapsed}
>
<Comment
data={comment}
mods={{ level: mods.level, collapsed }}
onReply={props.onReply}
onEdit={props.onEdit}
onCollapseToggle={this.onCollapseToggle}
/>
{
!collapsed && !!replies.length && replies.map(thread => (
<Thread
key={thread.comment.id}
data={thread}
mods={{ level: mods.level < 5 ? mods.level + 1 : mods.level }}
onReply={props.onReply}
onEdit={props.onEdit}
/>
))
}
</div>
);
}
}
function getCollapsedComments() {
return JSON.parse(localStorage.getItem(LS_COLLAPSE_KEY) || '[]');
}
function saveCollapsedComments(comments) {
localStorage.setItem(LS_COLLAPSE_KEY, JSON.stringify(comments));
}