gab-social/app/javascript/gabsocial/components/panel/gab_news_panel.js

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import React from 'react'
import PropTypes from 'prop-types'
import { connect } from 'react-redux'
import { injectIntl, defineMessages } from 'react-intl'
import ImmutablePureComponent from 'react-immutable-pure-component'
import ImmutablePropTypes from 'react-immutable-proptypes'
import { fetchGabNews } from '../../actions/news'
import PanelLayout from './panel_layout'
import NewsItem from '../news_item'
class GabNewsPanel extends ImmutablePureComponent {
state = {
fetched: false,
}
static getDerivedStateFromProps(nextProps, prevState) {
if (nextProps.shouldLoad && !prevState.fetched) {
return { fetched: true }
}
return null
}
componentDidUpdate(prevProps, prevState) {
if (!prevState.fetched && this.state.fetched && this.props.isLazy) {
this.props.dispatch(fetchGabNews())
}
}
componentDidMount() {
if (!this.props.isLazy) {
this.props.dispatch(fetchGabNews())
this.setState({ fetched: true })
}
}
render() {
const {
intl,
isLoading,
items,
} = this.props
const { fetched } = this.state
const count = !!items ? items.count() : 0
if (count === 0 && fetched) return null
return (
<PanelLayout
noPadding
title={intl.formatMessage(messages.title)}
headerButtonTitle={intl.formatMessage(messages.readMore)}
headerButtonHref='https://news.gab.com'
footerButtonTitle={intl.formatMessage(messages.readMore)}
footerButtonHref='https://news.gab.com'
>
<div className={[_s.d, _s.borderTop1PX, _s.borderBottom1PX, _s.borderColorSecondary, _s.flexRow, _s.w100PC, _s.overflowXScroll, _s.py15, _s.pl15].join(' ')}>
{
count > 0 &&
items.slice(0, 5).map((news, i) => (
<NewsItem news={news} key={`news-panel-item-${i}`} />
))
}
</div>
</PanelLayout>
)
}
}
const messages = defineMessages({
title: { id: 'gab_news.title', defaultMessage: 'Gab News' },
readMore: { id: 'status.read_more', defaultMessage: 'Read more' },
})
const mapStateToProps = (state) => ({
isLoading: state.getIn(['news', 'gab_news', 'isLoading']),
isFetched: state.getIn(['news', 'gab_news', 'isFetched']),
items: state.getIn(['news', 'gab_news', 'items']),
})
GabNewsPanel.propTypes = {
intl: PropTypes.object.isRequired,
isLazy: PropTypes.bool,
isLoading: PropTypes.bool,
isFetched: PropTypes.bool,
items: ImmutablePropTypes.list.isRequired,
}
export default injectIntl(connect(mapStateToProps)(GabNewsPanel))