mwe-comments/src/Components/Comments/index.js
2019-07-13 22:40:08 +02:00

95 lines
3.1 KiB
JavaScript

import React from 'react'
import SingleComment from './SingleComment'
import uuid from 'uuid'
class ThreadList extends React.Component {
constructor() {
super()
this.toggleCollapse = this.toggleCollapse.bind(this)
this.showCollapseLink = this.showCollapseLink.bind(this)
}
showCollapseLink(id, collapsed) {
this.setState({ displayCollapse: 'block' })
const otherComments = this.props.comments.filter(c => c.id !== id)
const comment = this.props.comments.find(c => c.id === id)
comment['displayCollapse'] = collapsed
//console.log('displayed collapse for: ', comment)
this.setState({ comments: otherComments.concat(comment) })
}
toggleCollapse(id, collapsed) {
const otherComments = this.props.comments.filter(c => c.id !== id)
var parent = this.props.comments.find(c => c.id === id)
console.log('toggling', parent)
parent['collapsed'] = collapsed
if (!collapsed) {
// when parent was a reply in a previously collapsed thread
// and is to be expanded it will be marked hidden
// and needs to be unhidden
parent['hidden'] = false
}
this.setState({ comments: otherComments.concat(parent) })
parent.replies.map(comment => this.toggleReplies(comment.id, collapsed))
}
toggleReplies(id, collapsed) {
const otherComments = this.props.comments.filter(c => c.id !== id)
var comment = this.props.comments.find(c => c.id === id)
comment['hidden'] = collapsed
this.setState({ comments: otherComments.concat(comment) })
if (comment.replies) {
comment.replies.map(c => this.toggleReplies(c.id, collapsed))
}
}
render() {
const comments = this.props.comments.filter(
// only show comments for this parent / thread
c =>
(!c.parentId && !this.props.threadLevel) ||
c.parentId === this.props.threadLevel
)
if (comments.length === 0) {
return ''
}
console.log('showing comments for thread', this.props.threadLevel, comments)
return (
<ul className="list-unstyled">
{comments.map(comment => {
// TODO comments aren't sorted by time
if (comment.replies && comment.replies.length === 0) {
return (
<div className="ml-3" key={uuid()}>
<SingleComment
threadLevel={this.props.threadLevel}
showCollapseLink={this.showCollapseLink}
toggleCollapse={this.toggleCollapse}
{...comment}
/>
</div>
)
} else {
return (
<div className="ml-3" key={uuid()}>
<SingleComment
threadLevel={this.props.threadLevel}
showCollapseLink={this.showCollapseLink}
toggleCollapse={this.toggleCollapse}
{...comment}
/>
<ThreadList
threadLevel={comment.id}
showCollapseLink={this.showCollapseLink}
comments={this.props.comments}
/>
</div>
)
}
})}
</ul>
)
}
}
export default ThreadList