218 lines
7.2 KiB
JavaScript
218 lines
7.2 KiB
JavaScript
import PropTypes from 'prop-types';
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import { PureComponent } from 'react';
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import { defineMessages, injectIntl, FormattedMessage } from 'react-intl';
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import classNames from 'classnames';
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import { Helmet } from 'react-helmet';
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import { List as ImmutableList } from 'immutable';
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import { connect } from 'react-redux';
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import { createSelector } from 'reselect';
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import { fetchAnnouncements, toggleShowAnnouncements } from 'flavours/glitch/actions/announcements';
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import { addColumn, removeColumn, moveColumn } from 'flavours/glitch/actions/columns';
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import { expandHomeTimeline } from 'flavours/glitch/actions/timelines';
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import Column from 'flavours/glitch/components/column';
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import ColumnHeader from 'flavours/glitch/components/column_header';
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import { IconWithBadge } from 'flavours/glitch/components/icon_with_badge';
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import { NotSignedInIndicator } from 'flavours/glitch/components/not_signed_in_indicator';
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import AnnouncementsContainer from 'flavours/glitch/features/getting_started/containers/announcements_container';
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import StatusListContainer from 'flavours/glitch/features/ui/containers/status_list_container';
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import { ExplorePrompt } from './components/explore_prompt';
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import ColumnSettingsContainer from './containers/column_settings_container';
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const messages = defineMessages({
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title: { id: 'column.home', defaultMessage: 'Home' },
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show_announcements: { id: 'home.show_announcements', defaultMessage: 'Show announcements' },
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hide_announcements: { id: 'home.hide_announcements', defaultMessage: 'Hide announcements' },
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});
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const getHomeFeedSpeed = createSelector([
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state => state.getIn(['timelines', 'home', 'items'], ImmutableList()),
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state => state.get('statuses'),
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], (statusIds, statusMap) => {
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const statuses = statusIds.take(20).map(id => statusMap.get(id));
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const uniqueAccountIds = (new Set(statuses.map(status => status.get('account')).toArray())).size;
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const oldest = new Date(statuses.getIn([statuses.size - 1, 'created_at'], 0));
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const newest = new Date(statuses.getIn([0, 'created_at'], 0));
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const averageGap = (newest - oldest) / (1000 * (statuses.size + 1)); // Average gap between posts on first page in seconds
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return {
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unique: uniqueAccountIds,
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gap: averageGap,
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newest,
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};
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});
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const homeTooSlow = createSelector(getHomeFeedSpeed, speed =>
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speed.unique < 5 // If there are fewer than 5 different accounts visible
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|| speed.gap > (30 * 60) // If the average gap between posts is more than 20 minutes
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|| (Date.now() - speed.newest) > (1000 * 3600) // If the most recent post is from over an hour ago
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);
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const mapStateToProps = state => ({
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hasUnread: state.getIn(['timelines', 'home', 'unread']) > 0,
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isPartial: state.getIn(['timelines', 'home', 'isPartial']),
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hasAnnouncements: !state.getIn(['announcements', 'items']).isEmpty(),
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unreadAnnouncements: state.getIn(['announcements', 'items']).count(item => !item.get('read')),
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showAnnouncements: state.getIn(['announcements', 'show']),
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tooSlow: homeTooSlow(state),
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regex: state.getIn(['settings', 'home', 'regex', 'body']),
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});
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class HomeTimeline extends PureComponent {
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static contextTypes = {
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identity: PropTypes.object,
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};
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static propTypes = {
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dispatch: PropTypes.func.isRequired,
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intl: PropTypes.object.isRequired,
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hasUnread: PropTypes.bool,
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isPartial: PropTypes.bool,
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columnId: PropTypes.string,
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multiColumn: PropTypes.bool,
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hasAnnouncements: PropTypes.bool,
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unreadAnnouncements: PropTypes.number,
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showAnnouncements: PropTypes.bool,
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tooSlow: PropTypes.bool,
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regex: PropTypes.string,
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};
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handlePin = () => {
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const { columnId, dispatch } = this.props;
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if (columnId) {
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dispatch(removeColumn(columnId));
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} else {
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dispatch(addColumn('HOME', {}));
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}
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};
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handleMove = (dir) => {
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const { columnId, dispatch } = this.props;
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dispatch(moveColumn(columnId, dir));
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};
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handleHeaderClick = () => {
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this.column.scrollTop();
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};
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setRef = c => {
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this.column = c;
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};
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handleLoadMore = maxId => {
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this.props.dispatch(expandHomeTimeline({ maxId }));
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};
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componentDidMount () {
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setTimeout(() => this.props.dispatch(fetchAnnouncements()), 700);
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this._checkIfReloadNeeded(false, this.props.isPartial);
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}
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componentDidUpdate (prevProps) {
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this._checkIfReloadNeeded(prevProps.isPartial, this.props.isPartial);
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}
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componentWillUnmount () {
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this._stopPolling();
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}
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_checkIfReloadNeeded (wasPartial, isPartial) {
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const { dispatch } = this.props;
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if (wasPartial === isPartial) {
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return;
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} else if (!wasPartial && isPartial) {
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this.polling = setInterval(() => {
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dispatch(expandHomeTimeline());
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}, 3000);
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} else if (wasPartial && !isPartial) {
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this._stopPolling();
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}
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}
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_stopPolling () {
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if (this.polling) {
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clearInterval(this.polling);
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this.polling = null;
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}
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}
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handleToggleAnnouncementsClick = (e) => {
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e.stopPropagation();
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this.props.dispatch(toggleShowAnnouncements());
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};
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render () {
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const { intl, hasUnread, columnId, multiColumn, tooSlow, hasAnnouncements, unreadAnnouncements, showAnnouncements } = this.props;
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const pinned = !!columnId;
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const { signedIn } = this.context.identity;
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let announcementsButton, banner;
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if (hasAnnouncements) {
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announcementsButton = (
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<button
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className={classNames('column-header__button', { 'active': showAnnouncements })}
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title={intl.formatMessage(showAnnouncements ? messages.hide_announcements : messages.show_announcements)}
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aria-label={intl.formatMessage(showAnnouncements ? messages.hide_announcements : messages.show_announcements)}
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onClick={this.handleToggleAnnouncementsClick}
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>
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<IconWithBadge id='bullhorn' count={unreadAnnouncements} />
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</button>
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);
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}
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if (tooSlow) {
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banner = <ExplorePrompt />;
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}
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return (
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<Column bindToDocument={!multiColumn} ref={this.setRef} name='home' label={intl.formatMessage(messages.title)}>
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<ColumnHeader
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icon='home'
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active={hasUnread}
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title={intl.formatMessage(messages.title)}
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onPin={this.handlePin}
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onMove={this.handleMove}
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onClick={this.handleHeaderClick}
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pinned={pinned}
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multiColumn={multiColumn}
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extraButton={announcementsButton}
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appendContent={hasAnnouncements && showAnnouncements && <AnnouncementsContainer />}
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>
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<ColumnSettingsContainer />
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</ColumnHeader>
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{signedIn ? (
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<StatusListContainer
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prepend={banner}
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alwaysPrepend
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trackScroll={!pinned}
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scrollKey={`home_timeline-${columnId}`}
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onLoadMore={this.handleLoadMore}
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timelineId='home'
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emptyMessage={<FormattedMessage id='empty_column.home' defaultMessage='Your home timeline is empty! Follow more people to fill it up.' />}
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bindToDocument={!multiColumn}
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regex={this.props.regex}
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/>
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) : <NotSignedInIndicator />}
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<Helmet>
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<title>{intl.formatMessage(messages.title)}</title>
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<meta name='robots' content='noindex' />
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</Helmet>
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</Column>
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);
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}
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}
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export default connect(mapStateToProps)(injectIntl(HomeTimeline));
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