import { NOTIFICATIONS_UPDATE, NOTIFICATIONS_REFRESH_SUCCESS, NOTIFICATIONS_EXPAND_SUCCESS, NOTIFICATIONS_REFRESH_REQUEST, NOTIFICATIONS_EXPAND_REQUEST, NOTIFICATIONS_REFRESH_FAIL, NOTIFICATIONS_EXPAND_FAIL, NOTIFICATIONS_CLEAR, NOTIFICATIONS_SCROLL_TOP } from '../actions/notifications'; import { ACCOUNT_BLOCK_SUCCESS } from '../actions/accounts'; import { TIMELINE_DELETE } from '../actions/timelines'; import Immutable from 'immutable'; const initialState = Immutable.Map({ items: Immutable.List(), next: null, top: true, unread: 0, loaded: false, isLoading: true }); const notificationToMap = notification => Immutable.Map({ id: notification.id, type: notification.type, account: notification.account.id, 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 normalizeNotifications = (state, notifications, next) => { let items = Immutable.List(); const loaded = state.get('loaded'); notifications.forEach((n, i) => { items = items.set(i, notificationToMap(n)); }); if (state.get('next') === null) { state = state.set('next', next); } return state .update('items', list => loaded ? items.concat(list) : list.concat(items)) .set('loaded', true) .set('isLoading', false); }; const appendNormalizedNotifications = (state, notifications, next) => { let items = Immutable.List(); notifications.forEach((n, i) => { items = items.set(i, notificationToMap(n)); }); return state .update('items', list => list.concat(items)) .set('next', next) .set('isLoading', false); }; const filterNotifications = (state, relationship) => { return state.update('items', list => list.filterNot(item => 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.get('status') === statusId)); }; export default function notifications(state = initialState, action) { switch(action.type) { case NOTIFICATIONS_REFRESH_REQUEST: case NOTIFICATIONS_EXPAND_REQUEST: case NOTIFICATIONS_REFRESH_FAIL: case NOTIFICATIONS_EXPAND_FAIL: return state.set('isLoading', true); case NOTIFICATIONS_SCROLL_TOP: return updateTop(state, action.top); case NOTIFICATIONS_UPDATE: return normalizeNotification(state, action.notification); case NOTIFICATIONS_REFRESH_SUCCESS: return normalizeNotifications(state, action.notifications, action.next); case NOTIFICATIONS_EXPAND_SUCCESS: return appendNormalizedNotifications(state, action.notifications, action.next); case ACCOUNT_BLOCK_SUCCESS: return filterNotifications(state, action.relationship); case NOTIFICATIONS_CLEAR: return state.set('items', Immutable.List()).set('next', null); case TIMELINE_DELETE: return deleteByStatus(state, action.id); default: return state; } };