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