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186 lines
5.6 KiB
186 lines
5.6 KiB
import React from 'react';
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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 '../../components/column';
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import ColumnHeader from '../../components/column_header';
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import { expandNotifications, scrollTopNotifications } from '../../actions/notifications';
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import { addColumn, removeColumn, moveColumn } from '../../actions/columns';
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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 { debounce } from 'lodash';
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const messages = defineMessages({
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title: { id: 'column.notifications', defaultMessage: '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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hasMore: !!state.getIn(['notifications', 'next']),
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});
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@connect(mapStateToProps)
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@injectIntl
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export default class Notifications extends React.PureComponent {
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static propTypes = {
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columnId: PropTypes.string,
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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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multiColumn: PropTypes.bool,
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hasMore: PropTypes.bool,
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};
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static defaultProps = {
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trackScroll: true,
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};
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dispatchExpandNotifications = debounce(() => {
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this.props.dispatch(expandNotifications());
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}, 300, { leading: true });
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dispatchScrollToTop = debounce((top) => {
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this.props.dispatch(scrollTopNotifications(top));
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}, 100);
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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.hasMore && !this.props.isLoading) {
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this.dispatchExpandNotifications();
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}
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if (scrollTop < 100) {
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this.dispatchScrollToTop(true);
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} else {
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this.dispatchScrollToTop(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.dispatchExpandNotifications();
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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('NOTIFICATIONS', {}));
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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.node = c;
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}
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setColumnRef = c => {
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this.column = c;
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}
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render () {
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const { intl, notifications, shouldUpdateScroll, isLoading, isUnread, columnId, multiColumn, hasMore } = this.props;
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const pinned = !!columnId;
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let loadMore = '';
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let scrollableArea = '';
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let unread = '';
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let scrollContainer = '';
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if (!isLoading && notifications.size > 0 && hasMore) {
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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 && this.scrollableArea) {
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scrollableArea = this.scrollableArea;
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} else if (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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if (pinned) {
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scrollContainer = scrollableArea;
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} else {
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scrollContainer = (
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<ScrollContainer scrollKey={`notifications-${columnId}`} shouldUpdateScroll={shouldUpdateScroll}>
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{scrollableArea}
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</ScrollContainer>
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);
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}
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this.scrollableArea = scrollableArea;
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return (
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<Column ref={this.setColumnRef}>
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<ColumnHeader
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icon='bell'
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active={isUnread}
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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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>
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<ColumnSettingsContainer />
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</ColumnHeader>
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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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