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- import {
- NOTIFICATIONS_UPDATE,
- NOTIFICATIONS_EXPAND_SUCCESS,
- NOTIFICATIONS_EXPAND_REQUEST,
- NOTIFICATIONS_EXPAND_FAIL,
- NOTIFICATIONS_FILTER_SET,
- NOTIFICATIONS_CLEAR,
- NOTIFICATIONS_SCROLL_TOP,
- NOTIFICATIONS_LOAD_PENDING,
- NOTIFICATIONS_MOUNT,
- NOTIFICATIONS_UNMOUNT,
- NOTIFICATIONS_MARK_AS_READ,
- NOTIFICATIONS_SET_BROWSER_SUPPORT,
- NOTIFICATIONS_SET_BROWSER_PERMISSION,
- } from '../actions/notifications';
- import {
- ACCOUNT_BLOCK_SUCCESS,
- ACCOUNT_MUTE_SUCCESS,
- FOLLOW_REQUEST_AUTHORIZE_SUCCESS,
- FOLLOW_REQUEST_REJECT_SUCCESS,
- } from '../actions/accounts';
- import {
- MARKERS_FETCH_SUCCESS,
- } from '../actions/markers';
- import {
- APP_FOCUS,
- APP_UNFOCUS,
- } from '../actions/app';
- import { DOMAIN_BLOCK_SUCCESS } from 'mastodon/actions/domain_blocks';
- import { TIMELINE_DELETE, TIMELINE_DISCONNECT } from '../actions/timelines';
- import { Map as ImmutableMap, List as ImmutableList } from 'immutable';
- import compareId from '../compare_id';
- const initialState = ImmutableMap({
- pendingItems: ImmutableList(),
- items: ImmutableList(),
- hasMore: true,
- top: false,
- mounted: 0,
- unread: 0,
- lastReadId: '0',
- readMarkerId: '0',
- isTabVisible: true,
- isLoading: false,
- browserSupport: false,
- browserPermission: 'default',
- });
- const notificationToMap = notification => ImmutableMap({
- id: notification.id,
- type: notification.type,
- account: notification.account.id,
- created_at: notification.created_at,
- status: notification.status ? notification.status.id : null,
- });
- const normalizeNotification = (state, notification, usePendingItems) => {
- const top = state.get('top');
- if (usePendingItems || !state.get('pendingItems').isEmpty()) {
- return state.update('pendingItems', list => list.unshift(notificationToMap(notification))).update('unread', unread => unread + 1);
- }
- if (shouldCountUnreadNotifications(state)) {
- state = state.update('unread', unread => unread + 1);
- } else {
- state = state.set('lastReadId', notification.id);
- }
- return state.update('items', list => {
- if (top && list.size > 40) {
- list = list.take(20);
- }
- return list.unshift(notificationToMap(notification));
- });
- };
- const expandNormalizedNotifications = (state, notifications, next, isLoadingRecent, usePendingItems) => {
- const lastReadId = state.get('lastReadId');
- let items = ImmutableList();
- notifications.forEach((n, i) => {
- items = items.set(i, notificationToMap(n));
- });
- return state.withMutations(mutable => {
- if (!items.isEmpty()) {
- usePendingItems = isLoadingRecent && (usePendingItems || !mutable.get('pendingItems').isEmpty());
- mutable.update(usePendingItems ? 'pendingItems' : 'items', list => {
- const lastIndex = 1 + list.findLastIndex(
- item => item !== null && (compareId(item.get('id'), items.last().get('id')) > 0 || item.get('id') === items.last().get('id')),
- );
- const firstIndex = 1 + list.take(lastIndex).findLastIndex(
- item => item !== null && compareId(item.get('id'), items.first().get('id')) > 0,
- );
- return list.take(firstIndex).concat(items, list.skip(lastIndex));
- });
- }
- if (!next) {
- mutable.set('hasMore', false);
- }
- if (shouldCountUnreadNotifications(state)) {
- mutable.set('unread', mutable.get('pendingItems').count(item => item !== null) + mutable.get('items').count(item => item && compareId(item.get('id'), lastReadId) > 0));
- } else {
- const mostRecent = items.find(item => item !== null);
- if (mostRecent && compareId(lastReadId, mostRecent.get('id')) < 0) {
- mutable.set('lastReadId', mostRecent.get('id'));
- }
- }
- mutable.set('isLoading', false);
- });
- };
- const filterNotifications = (state, accountIds, type) => {
- const helper = list => list.filterNot(item => item !== null && accountIds.includes(item.get('account')) && (type === undefined || type === item.get('type')));
- return state.update('items', helper).update('pendingItems', helper);
- };
- const clearUnread = (state) => {
- state = state.set('unread', state.get('pendingItems').size);
- const lastNotification = state.get('items').find(item => item !== null);
- return state.set('lastReadId', lastNotification ? lastNotification.get('id') : '0');
- };
- const updateTop = (state, top) => {
- state = state.set('top', top);
- if (!shouldCountUnreadNotifications(state)) {
- state = clearUnread(state);
- }
- return state;
- };
- const deleteByStatus = (state, statusId) => {
- const lastReadId = state.get('lastReadId');
- if (shouldCountUnreadNotifications(state)) {
- const deletedUnread = state.get('items').filter(item => item !== null && item.get('status') === statusId && compareId(item.get('id'), lastReadId) > 0);
- state = state.update('unread', unread => unread - deletedUnread.size);
- }
- const helper = list => list.filterNot(item => item !== null && item.get('status') === statusId);
- const deletedUnread = state.get('pendingItems').filter(item => item !== null && item.get('status') === statusId && compareId(item.get('id'), lastReadId) > 0);
- state = state.update('unread', unread => unread - deletedUnread.size);
- return state.update('items', helper).update('pendingItems', helper);
- };
- const updateMounted = (state) => {
- state = state.update('mounted', count => count + 1);
- if (!shouldCountUnreadNotifications(state, state.get('mounted') === 1)) {
- state = state.set('readMarkerId', state.get('lastReadId'));
- state = clearUnread(state);
- }
- return state;
- };
- const updateVisibility = (state, visibility) => {
- state = state.set('isTabVisible', visibility);
- if (!shouldCountUnreadNotifications(state)) {
- state = state.set('readMarkerId', state.get('lastReadId'));
- state = clearUnread(state);
- }
- return state;
- };
- const shouldCountUnreadNotifications = (state, ignoreScroll = false) => {
- const isTabVisible = state.get('isTabVisible');
- const isOnTop = state.get('top');
- const isMounted = state.get('mounted') > 0;
- const lastReadId = state.get('lastReadId');
- const lastItem = state.get('items').findLast(item => item !== null);
- const lastItemReached = !state.get('hasMore') || lastReadId === '0' || (lastItem && compareId(lastItem.get('id'), lastReadId) <= 0);
- return !(isTabVisible && (ignoreScroll || isOnTop) && isMounted && lastItemReached);
- };
- const recountUnread = (state, last_read_id) => {
- return state.withMutations(mutable => {
- if (compareId(last_read_id, mutable.get('lastReadId')) > 0) {
- mutable.set('lastReadId', last_read_id);
- }
- if (compareId(last_read_id, mutable.get('readMarkerId')) > 0) {
- mutable.set('readMarkerId', last_read_id);
- }
- if (state.get('unread') > 0 || shouldCountUnreadNotifications(state)) {
- mutable.set('unread', mutable.get('pendingItems').count(item => item !== null) + mutable.get('items').count(item => item && compareId(item.get('id'), last_read_id) > 0));
- }
- });
- };
- export default function notifications(state = initialState, action) {
- switch(action.type) {
- case MARKERS_FETCH_SUCCESS:
- return action.markers.notifications ? recountUnread(state, action.markers.notifications.last_read_id) : state;
- case NOTIFICATIONS_MOUNT:
- return updateMounted(state);
- case NOTIFICATIONS_UNMOUNT:
- return state.update('mounted', count => count - 1);
- case APP_FOCUS:
- return updateVisibility(state, true);
- case APP_UNFOCUS:
- return updateVisibility(state, false);
- case NOTIFICATIONS_LOAD_PENDING:
- return state.update('items', list => state.get('pendingItems').concat(list.take(40))).set('pendingItems', ImmutableList()).set('unread', 0);
- case NOTIFICATIONS_EXPAND_REQUEST:
- return state.set('isLoading', true);
- case NOTIFICATIONS_EXPAND_FAIL:
- return state.set('isLoading', false);
- case NOTIFICATIONS_FILTER_SET:
- return state.set('items', ImmutableList()).set('pendingItems', ImmutableList()).set('hasMore', true);
- case NOTIFICATIONS_SCROLL_TOP:
- return updateTop(state, action.top);
- case NOTIFICATIONS_UPDATE:
- return normalizeNotification(state, action.notification, action.usePendingItems);
- case NOTIFICATIONS_EXPAND_SUCCESS:
- return expandNormalizedNotifications(state, action.notifications, action.next, action.isLoadingRecent, action.usePendingItems);
- case ACCOUNT_BLOCK_SUCCESS:
- return filterNotifications(state, [action.relationship.id]);
- case ACCOUNT_MUTE_SUCCESS:
- return action.relationship.muting_notifications ? filterNotifications(state, [action.relationship.id]) : state;
- case DOMAIN_BLOCK_SUCCESS:
- return filterNotifications(state, action.accounts);
- case FOLLOW_REQUEST_AUTHORIZE_SUCCESS:
- case FOLLOW_REQUEST_REJECT_SUCCESS:
- return filterNotifications(state, [action.id], 'follow_request');
- case ACCOUNT_MUTE_SUCCESS:
- return action.relationship.muting_notifications ? filterNotifications(state, [action.relationship.id]) : state;
- case NOTIFICATIONS_CLEAR:
- return state.set('items', ImmutableList()).set('pendingItems', ImmutableList()).set('hasMore', false);
- case TIMELINE_DELETE:
- return deleteByStatus(state, action.id);
- case TIMELINE_DISCONNECT:
- return action.timeline === 'home' ?
- state.update(action.usePendingItems ? 'pendingItems' : 'items', items => items.first() ? items.unshift(null) : items) :
- state;
- case NOTIFICATIONS_MARK_AS_READ:
- const lastNotification = state.get('items').find(item => item !== null);
- return lastNotification ? recountUnread(state, lastNotification.get('id')) : state;
- case NOTIFICATIONS_SET_BROWSER_SUPPORT:
- return state.set('browserSupport', action.value);
- case NOTIFICATIONS_SET_BROWSER_PERMISSION:
- return state.set('browserPermission', action.value);
- default:
- return state;
- }
- };
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