import React from 'react'; import { connect } from 'react-redux'; import PropTypes from 'prop-types'; import ImmutablePropTypes from 'react-immutable-proptypes'; import Column from '../../components/column'; import ColumnHeader from '../../components/column_header'; import { expandNotifications, scrollTopNotifications } from '../../actions/notifications'; import { addColumn, removeColumn, moveColumn } from '../../actions/columns'; import NotificationContainer from './containers/notification_container'; import { ScrollContainer } from 'react-router-scroll'; import { defineMessages, injectIntl, FormattedMessage } from 'react-intl'; import ColumnSettingsContainer from './containers/column_settings_container'; import { createSelector } from 'reselect'; import Immutable from 'immutable'; import LoadMore from '../../components/load_more'; import { debounce } from 'lodash'; const messages = defineMessages({ title: { id: 'column.notifications', defaultMessage: 'Notifications' }, }); const getNotifications = createSelector([ state => Immutable.List(state.getIn(['settings', 'notifications', 'shows']).filter(item => !item).keys()), state => state.getIn(['notifications', 'items']), ], (excludedTypes, notifications) => notifications.filterNot(item => excludedTypes.includes(item.get('type')))); const mapStateToProps = state => ({ notifications: getNotifications(state), isLoading: state.getIn(['notifications', 'isLoading'], true), isUnread: state.getIn(['notifications', 'unread']) > 0, hasMore: !!state.getIn(['notifications', 'next']), }); @connect(mapStateToProps) @injectIntl export default class Notifications extends React.PureComponent { static propTypes = { columnId: PropTypes.string, notifications: ImmutablePropTypes.list.isRequired, dispatch: PropTypes.func.isRequired, shouldUpdateScroll: PropTypes.func, intl: PropTypes.object.isRequired, isLoading: PropTypes.bool, isUnread: PropTypes.bool, multiColumn: PropTypes.bool, hasMore: PropTypes.bool, }; static defaultProps = { trackScroll: true, }; dispatchExpandNotifications = debounce(() => { this.props.dispatch(expandNotifications()); }, 300, { leading: true }); dispatchScrollToTop = debounce((top) => { this.props.dispatch(scrollTopNotifications(top)); }, 100); handleScroll = (e) => { const { scrollTop, scrollHeight, clientHeight } = e.target; const offset = scrollHeight - scrollTop - clientHeight; this._oldScrollPosition = scrollHeight - scrollTop; if (250 > offset && this.props.hasMore && !this.props.isLoading) { this.dispatchExpandNotifications(); } if (scrollTop < 100) { this.dispatchScrollToTop(true); } else { this.dispatchScrollToTop(false); } } componentDidUpdate (prevProps) { if (this.node.scrollTop > 0 && (prevProps.notifications.size < this.props.notifications.size && prevProps.notifications.first() !== this.props.notifications.first() && !!this._oldScrollPosition)) { this.node.scrollTop = this.node.scrollHeight - this._oldScrollPosition; } } handleLoadMore = (e) => { e.preventDefault(); this.dispatchExpandNotifications(); } handlePin = () => { const { columnId, dispatch } = this.props; if (columnId) { dispatch(removeColumn(columnId)); } else { dispatch(addColumn('NOTIFICATIONS', {})); } } handleMove = (dir) => { const { columnId, dispatch } = this.props; dispatch(moveColumn(columnId, dir)); } handleHeaderClick = () => { this.column.scrollTop(); } setRef = (c) => { this.node = c; } setColumnRef = c => { this.column = c; } render () { const { intl, notifications, shouldUpdateScroll, isLoading, isUnread, columnId, multiColumn, hasMore } = this.props; const pinned = !!columnId; let loadMore = ''; let scrollableArea = ''; let unread = ''; let scrollContainer = ''; if (!isLoading && hasMore) { loadMore = ; } if (isUnread) { unread =
; } if (isLoading && this.scrollableArea) { scrollableArea = this.scrollableArea; } else if (notifications.size > 0 || hasMore) { scrollableArea = (
{unread}
{notifications.map(item => )} {loadMore}
); } else { scrollableArea = (
); } if (pinned) { scrollContainer = scrollableArea; } else { scrollContainer = ( {scrollableArea} ); } this.scrollableArea = scrollableArea; return ( {scrollContainer} ); } }