闭社主体
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142 lines
5.0 KiB
142 lines
5.0 KiB
import { connect } from 'react-redux';
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import PropTypes from 'prop-types';
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import ImmutablePropTypes from 'react-immutable-proptypes';
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import Column from '../ui/components/column';
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import { expandNotifications, clearNotifications, scrollTopNotifications } from '../../actions/notifications';
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import NotificationContainer from './containers/notification_container';
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import { ScrollContainer } from 'react-router-scroll';
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import { defineMessages, injectIntl, FormattedMessage } from 'react-intl';
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import ColumnSettingsContainer from './containers/column_settings_container';
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import { createSelector } from 'reselect';
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import Immutable from 'immutable';
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import LoadMore from '../../components/load_more';
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import ClearColumnButton from './components/clear_column_button';
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import { openModal } from '../../actions/modal';
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const messages = defineMessages({
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title: { id: 'column.notifications', defaultMessage: 'Notifications' },
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clearMessage: { id: 'notifications.clear_confirmation', defaultMessage: 'Are you sure you want to permanently clear all your notifications?' },
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clearConfirm: { id: 'notifications.clear', defaultMessage: 'Clear notifications' }
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});
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const getNotifications = createSelector([
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state => Immutable.List(state.getIn(['settings', 'notifications', 'shows']).filter(item => !item).keys()),
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state => state.getIn(['notifications', 'items'])
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], (excludedTypes, notifications) => notifications.filterNot(item => excludedTypes.includes(item.get('type'))));
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const mapStateToProps = state => ({
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notifications: getNotifications(state),
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isLoading: state.getIn(['notifications', 'isLoading'], true),
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isUnread: state.getIn(['notifications', 'unread']) > 0
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});
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class Notifications extends React.PureComponent {
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constructor (props, context) {
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super(props, context);
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this.handleScroll = this.handleScroll.bind(this);
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this.handleLoadMore = this.handleLoadMore.bind(this);
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this.handleClear = this.handleClear.bind(this);
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this.setRef = this.setRef.bind(this);
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}
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handleScroll (e) {
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const { scrollTop, scrollHeight, clientHeight } = e.target;
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const offset = scrollHeight - scrollTop - clientHeight;
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this._oldScrollPosition = scrollHeight - scrollTop;
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if (250 > offset && !this.props.isLoading) {
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this.props.dispatch(expandNotifications());
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} else if (scrollTop < 100) {
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this.props.dispatch(scrollTopNotifications(true));
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} else {
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this.props.dispatch(scrollTopNotifications(false));
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}
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}
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componentDidUpdate (prevProps) {
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if (this.node.scrollTop > 0 && (prevProps.notifications.size < this.props.notifications.size && prevProps.notifications.first() !== this.props.notifications.first() && !!this._oldScrollPosition)) {
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this.node.scrollTop = this.node.scrollHeight - this._oldScrollPosition;
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}
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}
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handleLoadMore (e) {
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e.preventDefault();
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this.props.dispatch(expandNotifications());
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}
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handleClear () {
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const { dispatch, intl } = this.props;
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dispatch(openModal('CONFIRM', {
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message: intl.formatMessage(messages.clearMessage),
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confirm: intl.formatMessage(messages.clearConfirm),
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onConfirm: () => dispatch(clearNotifications())
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}));
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}
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setRef (c) {
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this.node = c;
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}
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render () {
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const { intl, notifications, shouldUpdateScroll, isLoading, isUnread } = this.props;
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let loadMore = '';
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let scrollableArea = '';
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let unread = '';
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if (!isLoading && notifications.size > 0) {
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loadMore = <LoadMore onClick={this.handleLoadMore} />;
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}
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if (isUnread) {
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unread = <div className='notifications__unread-indicator' />;
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}
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if (isLoading || notifications.size > 0) {
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scrollableArea = (
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<div className='scrollable' onScroll={this.handleScroll} ref={this.setRef}>
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{unread}
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<div>
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{notifications.map(item => <NotificationContainer key={item.get('id')} notification={item} accountId={item.get('account')} />)}
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{loadMore}
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</div>
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</div>
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);
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} else {
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scrollableArea = (
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<div className='empty-column-indicator' ref={this.setRef}>
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<FormattedMessage id='empty_column.notifications' defaultMessage="You don't have any notifications yet. Interact with others to start the conversation." />
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</div>
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);
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}
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return (
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<Column icon='bell' active={isUnread} heading={intl.formatMessage(messages.title)}>
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<ColumnSettingsContainer />
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<ClearColumnButton onClick={this.handleClear} />
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<ScrollContainer scrollKey='notifications' shouldUpdateScroll={shouldUpdateScroll}>
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{scrollableArea}
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</ScrollContainer>
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</Column>
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);
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}
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}
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Notifications.propTypes = {
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notifications: ImmutablePropTypes.list.isRequired,
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dispatch: PropTypes.func.isRequired,
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shouldUpdateScroll: PropTypes.func,
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intl: PropTypes.object.isRequired,
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isLoading: PropTypes.bool,
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isUnread: PropTypes.bool
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};
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Notifications.defaultProps = {
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trackScroll: true
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};
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export default connect(mapStateToProps)(injectIntl(Notifications));
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