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- import {
- NOTIFICATIONS_UPDATE,
- NOTIFICATIONS_EXPAND_SUCCESS,
- NOTIFICATIONS_EXPAND_REQUEST,
- NOTIFICATIONS_EXPAND_FAIL,
- NOTIFICATIONS_CLEAR,
- NOTIFICATIONS_SCROLL_TOP,
- } from '../actions/notifications';
- import {
- ACCOUNT_BLOCK_SUCCESS,
- ACCOUNT_MUTE_SUCCESS,
- } from '../actions/accounts';
- 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({
- items: ImmutableList(),
- hasMore: true,
- top: true,
- unread: 0,
- isLoading: false,
- });
- 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) => {
- const top = state.get('top');
- if (!top) {
- state = state.update('unread', unread => unread + 1);
- }
- return state.update('items', list => {
- if (top && list.size > 40) {
- list = list.take(20);
- }
- return list.unshift(notificationToMap(notification));
- });
- };
- const expandNormalizedNotifications = (state, notifications, next) => {
- let items = ImmutableList();
- notifications.forEach((n, i) => {
- items = items.set(i, notificationToMap(n));
- });
- return state.withMutations(mutable => {
- if (!items.isEmpty()) {
- mutable.update('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);
- }
- mutable.set('isLoading', false);
- });
- };
- const filterNotifications = (state, relationship) => {
- return state.update('items', list => list.filterNot(item => item !== null && item.get('account') === relationship.id));
- };
- const updateTop = (state, top) => {
- if (top) {
- state = state.set('unread', 0);
- }
- return state.set('top', top);
- };
- const deleteByStatus = (state, statusId) => {
- return state.update('items', list => list.filterNot(item => item !== null && item.get('status') === statusId));
- };
- export default function notifications(state = initialState, action) {
- switch(action.type) {
- case NOTIFICATIONS_EXPAND_REQUEST:
- return state.set('isLoading', true);
- case NOTIFICATIONS_EXPAND_FAIL:
- return state.set('isLoading', false);
- case NOTIFICATIONS_SCROLL_TOP:
- return updateTop(state, action.top);
- case NOTIFICATIONS_UPDATE:
- return normalizeNotification(state, action.notification);
- case NOTIFICATIONS_EXPAND_SUCCESS:
- return expandNormalizedNotifications(state, action.notifications, action.next);
- case ACCOUNT_BLOCK_SUCCESS:
- case ACCOUNT_MUTE_SUCCESS:
- return action.relationship.muting_notifications ? filterNotifications(state, action.relationship) : state;
- case NOTIFICATIONS_CLEAR:
- return state.set('items', ImmutableList()).set('hasMore', false);
- case TIMELINE_DELETE:
- return deleteByStatus(state, action.id);
- case TIMELINE_DISCONNECT:
- return action.timeline === 'home' ?
- state.update('items', items => items.first() ? items.unshift(null) : items) :
- state;
- default:
- return state;
- }
- };
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