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225 lines
7.7 KiB
225 lines
7.7 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, loadPending, mountNotifications, unmountNotifications } 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 { defineMessages, injectIntl, FormattedMessage } from 'react-intl';
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import ColumnSettingsContainer from './containers/column_settings_container';
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import FilterBarContainer from './containers/filter_bar_container';
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import { createSelector } from 'reselect';
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import { List as ImmutableList } from 'immutable';
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import { debounce } from 'lodash';
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import ScrollableList from '../../components/scrollable_list';
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import LoadGap from '../../components/load_gap';
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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 => state.getIn(['settings', 'notifications', 'quickFilter', 'show']),
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state => state.getIn(['settings', 'notifications', 'quickFilter', 'active']),
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state => ImmutableList(state.getIn(['settings', 'notifications', 'shows']).filter(item => !item).keys()),
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state => state.getIn(['notifications', 'items']),
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], (showFilterBar, allowedType, excludedTypes, notifications) => {
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if (!showFilterBar || allowedType === 'all') {
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// used if user changed the notification settings after loading the notifications from the server
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// otherwise a list of notifications will come pre-filtered from the backend
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// we need to turn it off for FilterBar in order not to block ourselves from seeing a specific category
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return notifications.filterNot(item => item !== null && excludedTypes.includes(item.get('type')));
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}
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return notifications.filter(item => item === null || allowedType === item.get('type'));
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});
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const mapStateToProps = state => ({
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showFilterBar: state.getIn(['settings', 'notifications', 'quickFilter', 'show']),
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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 || state.getIn(['notifications', 'pendingItems']).size > 0,
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hasMore: state.getIn(['notifications', 'hasMore']),
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numPending: state.getIn(['notifications', 'pendingItems'], ImmutableList()).size,
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});
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export default @connect(mapStateToProps)
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@injectIntl
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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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showFilterBar: PropTypes.bool.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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numPending: PropTypes.number,
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};
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static defaultProps = {
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trackScroll: true,
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};
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componentWillMount() {
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this.props.dispatch(mountNotifications());
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}
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componentWillUnmount () {
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this.handleLoadOlder.cancel();
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this.handleScrollToTop.cancel();
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this.handleScroll.cancel();
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this.props.dispatch(scrollTopNotifications(false));
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this.props.dispatch(unmountNotifications());
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}
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handleLoadGap = (maxId) => {
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this.props.dispatch(expandNotifications({ maxId }));
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};
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handleLoadOlder = debounce(() => {
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const last = this.props.notifications.last();
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this.props.dispatch(expandNotifications({ maxId: last && last.get('id') }));
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}, 300, { leading: true });
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handleLoadPending = () => {
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this.props.dispatch(loadPending());
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};
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handleScrollToTop = debounce(() => {
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this.props.dispatch(scrollTopNotifications(true));
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}, 100);
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handleScroll = debounce(() => {
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this.props.dispatch(scrollTopNotifications(false));
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}, 100);
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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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setColumnRef = c => {
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this.column = c;
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}
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handleMoveUp = id => {
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const elementIndex = this.props.notifications.findIndex(item => item !== null && item.get('id') === id) - 1;
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this._selectChild(elementIndex, true);
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}
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handleMoveDown = id => {
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const elementIndex = this.props.notifications.findIndex(item => item !== null && item.get('id') === id) + 1;
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this._selectChild(elementIndex, false);
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}
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_selectChild (index, align_top) {
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const container = this.column.node;
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const element = container.querySelector(`article:nth-of-type(${index + 1}) .focusable`);
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if (element) {
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if (align_top && container.scrollTop > element.offsetTop) {
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element.scrollIntoView(true);
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} else if (!align_top && container.scrollTop + container.clientHeight < element.offsetTop + element.offsetHeight) {
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element.scrollIntoView(false);
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}
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element.focus();
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}
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}
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render () {
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const { intl, notifications, shouldUpdateScroll, isLoading, isUnread, columnId, multiColumn, hasMore, numPending, showFilterBar } = this.props;
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const pinned = !!columnId;
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const emptyMessage = <FormattedMessage id='empty_column.notifications' defaultMessage="You don't have any notifications yet. Interact with others to start the conversation." />;
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let scrollableContent = null;
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const filterBarContainer = showFilterBar
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? (<FilterBarContainer />)
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: null;
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if (isLoading && this.scrollableContent) {
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scrollableContent = this.scrollableContent;
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} else if (notifications.size > 0 || hasMore) {
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scrollableContent = notifications.map((item, index) => item === null ? (
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<LoadGap
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key={'gap:' + notifications.getIn([index + 1, 'id'])}
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disabled={isLoading}
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maxId={index > 0 ? notifications.getIn([index - 1, 'id']) : null}
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onClick={this.handleLoadGap}
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/>
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) : (
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<NotificationContainer
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key={item.get('id')}
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notification={item}
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accountId={item.get('account')}
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onMoveUp={this.handleMoveUp}
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onMoveDown={this.handleMoveDown}
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/>
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));
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} else {
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scrollableContent = null;
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}
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this.scrollableContent = scrollableContent;
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const scrollContainer = (
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<ScrollableList
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scrollKey={`notifications-${columnId}`}
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trackScroll={!pinned}
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isLoading={isLoading}
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showLoading={isLoading && notifications.size === 0}
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hasMore={hasMore}
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numPending={numPending}
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emptyMessage={emptyMessage}
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onLoadMore={this.handleLoadOlder}
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onLoadPending={this.handleLoadPending}
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onScrollToTop={this.handleScrollToTop}
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onScroll={this.handleScroll}
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shouldUpdateScroll={shouldUpdateScroll}
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bindToDocument={!multiColumn}
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>
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{scrollableContent}
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</ScrollableList>
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);
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return (
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<Column bindToDocument={!multiColumn} ref={this.setColumnRef} label={intl.formatMessage(messages.title)}>
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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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{filterBarContainer}
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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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