import React from 'react'; import { connect } from 'react-redux'; import PropTypes from 'prop-types'; import ImmutablePropTypes from 'react-immutable-proptypes'; import Column from 'flavours/glitch/components/column'; import ColumnHeader from 'flavours/glitch/components/column_header'; import { enterNotificationClearingMode, expandNotifications, scrollTopNotifications, mountNotifications, unmountNotifications, loadPending, } from 'flavours/glitch/actions/notifications'; import { addColumn, removeColumn, moveColumn } from 'flavours/glitch/actions/columns'; import NotificationContainer from './containers/notification_container'; import { defineMessages, injectIntl, FormattedMessage } from 'react-intl'; import ColumnSettingsContainer from './containers/column_settings_container'; import FilterBarContainer from './containers/filter_bar_container'; import { createSelector } from 'reselect'; import { List as ImmutableList } from 'immutable'; import { debounce } from 'lodash'; import ScrollableList from 'flavours/glitch/components/scrollable_list'; import LoadGap from 'flavours/glitch/components/load_gap'; const messages = defineMessages({ title: { id: 'column.notifications', defaultMessage: 'Notifications' }, }); const getNotifications = createSelector([ state => state.getIn(['settings', 'notifications', 'quickFilter', 'show']), state => state.getIn(['settings', 'notifications', 'quickFilter', 'active']), state => ImmutableList(state.getIn(['settings', 'notifications', 'shows']).filter(item => !item).keys()), state => state.getIn(['notifications', 'items']), ], (showFilterBar, allowedType, excludedTypes, notifications) => { if (!showFilterBar || allowedType === 'all') { // used if user changed the notification settings after loading the notifications from the server // otherwise a list of notifications will come pre-filtered from the backend // we need to turn it off for FilterBar in order not to block ourselves from seeing a specific category return notifications.filterNot(item => item !== null && excludedTypes.includes(item.get('type'))); } return notifications.filter(item => item !== null && allowedType === item.get('type')); }); const mapStateToProps = state => ({ showFilterBar: state.getIn(['settings', 'notifications', 'quickFilter', 'show']), notifications: getNotifications(state), localSettings: state.get('local_settings'), isLoading: state.getIn(['notifications', 'isLoading'], true), isUnread: state.getIn(['notifications', 'unread']) > 0 || state.getIn(['notifications', 'pendingItems']).size > 0, hasMore: state.getIn(['notifications', 'hasMore']), numPending: state.getIn(['notifications', 'pendingItems'], ImmutableList()).size, notifCleaningActive: state.getIn(['notifications', 'cleaningMode']), }); /* glitch */ const mapDispatchToProps = dispatch => ({ onEnterCleaningMode(yes) { dispatch(enterNotificationClearingMode(yes)); }, onMount() { dispatch(mountNotifications()); }, onUnmount() { dispatch(unmountNotifications()); }, dispatch, }); export default @connect(mapStateToProps, mapDispatchToProps) @injectIntl class Notifications extends React.PureComponent { static propTypes = { columnId: PropTypes.string, notifications: ImmutablePropTypes.list.isRequired, showFilterBar: PropTypes.bool.isRequired, dispatch: PropTypes.func.isRequired, shouldUpdateScroll: PropTypes.func, intl: PropTypes.object.isRequired, isLoading: PropTypes.bool, isUnread: PropTypes.bool, multiColumn: PropTypes.bool, hasMore: PropTypes.bool, numPending: PropTypes.number, localSettings: ImmutablePropTypes.map, notifCleaningActive: PropTypes.bool, onEnterCleaningMode: PropTypes.func, onMount: PropTypes.func, onUnmount: PropTypes.func, }; static defaultProps = { trackScroll: true, }; handleLoadGap = (maxId) => { this.props.dispatch(expandNotifications({ maxId })); }; handleLoadOlder = debounce(() => { const last = this.props.notifications.last(); this.props.dispatch(expandNotifications({ maxId: last && last.get('id') })); }, 300, { leading: true }); handleLoadPending = () => { this.props.dispatch(loadPending()); }; handleScrollToTop = debounce(() => { this.props.dispatch(scrollTopNotifications(true)); }, 100); handleScroll = debounce(() => { this.props.dispatch(scrollTopNotifications(false)); }, 100); 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(); } setColumnRef = c => { this.column = c; } handleMoveUp = id => { const elementIndex = this.props.notifications.findIndex(item => item !== null && item.get('id') === id) - 1; this._selectChild(elementIndex, true); } handleMoveDown = id => { const elementIndex = this.props.notifications.findIndex(item => item !== null && item.get('id') === id) + 1; this._selectChild(elementIndex, false); } _selectChild (index, align_top) { const container = this.column.node; const element = container.querySelector(`article:nth-of-type(${index + 1}) .focusable`); if (element) { if (align_top && container.scrollTop > element.offsetTop) { element.scrollIntoView(true); } else if (!align_top && container.scrollTop + container.clientHeight < element.offsetTop + element.offsetHeight) { element.scrollIntoView(false); } element.focus(); } } componentDidMount () { const { onMount } = this.props; if (onMount) { onMount(); } } componentWillUnmount () { const { onUnmount } = this.props; if (onUnmount) { onUnmount(); } } render () { const { intl, notifications, shouldUpdateScroll, isLoading, isUnread, columnId, multiColumn, hasMore, numPending, showFilterBar } = this.props; const pinned = !!columnId; const emptyMessage = <FormattedMessage id='empty_column.notifications' defaultMessage="You don't have any notifications yet. Interact with others to start the conversation." />; let scrollableContent = null; const filterBarContainer = showFilterBar ? (<FilterBarContainer />) : null; if (isLoading && this.scrollableContent) { scrollableContent = this.scrollableContent; } else if (notifications.size > 0 || hasMore) { scrollableContent = notifications.map((item, index) => item === null ? ( <LoadGap key={'gap:' + notifications.getIn([index + 1, 'id'])} disabled={isLoading} maxId={index > 0 ? notifications.getIn([index - 1, 'id']) : null} onClick={this.handleLoadGap} /> ) : ( <NotificationContainer key={item.get('id')} notification={item} accountId={item.get('account')} onMoveUp={this.handleMoveUp} onMoveDown={this.handleMoveDown} /> )); } else { scrollableContent = null; } this.scrollableContent = scrollableContent; const scrollContainer = ( <ScrollableList scrollKey={`notifications-${columnId}`} trackScroll={!pinned} isLoading={isLoading} showLoading={isLoading && notifications.size === 0} hasMore={hasMore} numPending={numPending} emptyMessage={emptyMessage} onLoadMore={this.handleLoadOlder} onLoadPending={this.handleLoadPending} onScrollToTop={this.handleScrollToTop} onScroll={this.handleScroll} shouldUpdateScroll={shouldUpdateScroll} bindToDocument={!multiColumn} > {scrollableContent} </ScrollableList> ); return ( <Column bindToDocument={!multiColumn} ref={this.setColumnRef} name='notifications' extraClasses={this.props.notifCleaningActive ? 'notif-cleaning' : null} label={intl.formatMessage(messages.title)} > <ColumnHeader icon='bell' active={isUnread} title={intl.formatMessage(messages.title)} onPin={this.handlePin} onMove={this.handleMove} onClick={this.handleHeaderClick} pinned={pinned} multiColumn={multiColumn} localSettings={this.props.localSettings} notifCleaning notifCleaningActive={this.props.notifCleaningActive} // this is used to toggle the header text onEnterCleaningMode={this.props.onEnterCleaningMode} > <ColumnSettingsContainer /> </ColumnHeader> {filterBarContainer} {scrollContainer} </Column> ); } }