hometown/app/javascript/mastodon/features/community_timeline/index.js

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import React from 'react';
import { connect } from 'react-redux';
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import { defineMessages, injectIntl, FormattedMessage } from 'react-intl';
import PropTypes from 'prop-types';
import StatusListContainer from '../ui/containers/status_list_container';
import Column from '../../components/column';
import ColumnHeader from '../../components/column_header';
import { expandCommunityTimeline } from '../../actions/timelines';
import { addColumn, removeColumn, moveColumn, changeColumnParams } from '../../actions/columns';
import ColumnSettingsContainer from './containers/column_settings_container';
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import SectionHeadline from './components/section_headline';
import { connectCommunityStream } from '../../actions/streaming';
const messages = defineMessages({
title: { id: 'column.community', defaultMessage: 'Local timeline' },
});
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const mapStateToProps = (state, { onlyMedia }) => ({
hasUnread: state.getIn(['timelines', `community${onlyMedia ? ':media' : ''}`, 'unread']) > 0,
});
@connect(mapStateToProps)
@injectIntl
export default class CommunityTimeline extends React.PureComponent {
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static defaultProps = {
onlyMedia: false,
};
static propTypes = {
dispatch: PropTypes.func.isRequired,
columnId: PropTypes.string,
intl: PropTypes.object.isRequired,
hasUnread: PropTypes.bool,
multiColumn: PropTypes.bool,
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onlyMedia: PropTypes.bool,
};
handlePin = () => {
const { columnId, dispatch, onlyMedia } = this.props;
if (columnId) {
dispatch(removeColumn(columnId));
} else {
dispatch(addColumn('COMMUNITY', { other: { onlyMedia } }));
}
}
handleMove = (dir) => {
const { columnId, dispatch } = this.props;
dispatch(moveColumn(columnId, dir));
}
handleHeaderClick = () => {
this.column.scrollTop();
}
componentDidMount () {
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const { dispatch, onlyMedia } = this.props;
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dispatch(expandCommunityTimeline({ onlyMedia }));
this.disconnect = dispatch(connectCommunityStream({ onlyMedia }));
}
componentDidUpdate (prevProps) {
if (prevProps.onlyMedia !== this.props.onlyMedia) {
const { dispatch, onlyMedia } = this.props;
this.disconnect();
dispatch(expandCommunityTimeline({ onlyMedia }));
this.disconnect = dispatch(connectCommunityStream({ onlyMedia }));
}
}
componentWillUnmount () {
if (this.disconnect) {
this.disconnect();
this.disconnect = null;
}
}
setRef = c => {
this.column = c;
}
handleLoadMore = maxId => {
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const { dispatch, onlyMedia } = this.props;
dispatch(expandCommunityTimeline({ maxId, onlyMedia }));
}
handleHeadlineLinkClick = e => {
const { columnId, dispatch } = this.props;
const onlyMedia = /\/media$/.test(e.currentTarget.href);
dispatch(changeColumnParams(columnId, { other: { onlyMedia } }));
}
render () {
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const { intl, hasUnread, columnId, multiColumn, onlyMedia } = this.props;
const pinned = !!columnId;
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const headline = (
<SectionHeadline
timelineId='community'
to='/timelines/public/local'
pinned={pinned}
onlyMedia={onlyMedia}
onClick={this.handleHeadlineLinkClick}
/>
);
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return (
<Column ref={this.setRef}>
<ColumnHeader
icon='users'
active={hasUnread}
title={intl.formatMessage(messages.title)}
onPin={this.handlePin}
onMove={this.handleMove}
onClick={this.handleHeaderClick}
pinned={pinned}
multiColumn={multiColumn}
>
<ColumnSettingsContainer />
</ColumnHeader>
<StatusListContainer
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prepend={headline}
trackScroll={!pinned}
scrollKey={`community_timeline-${columnId}`}
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timelineId={`community${onlyMedia ? ':media' : ''}`}
onLoadMore={this.handleLoadMore}
emptyMessage={<FormattedMessage id='empty_column.community' defaultMessage='The local timeline is empty. Write something publicly to get the ball rolling!' />}
/>
</Column>
);
}
}