openecomp-ui/src/sdc-app/onboarding/userNotifications/NotificationsReducer.js

   1 /*!
   2  * Copyright (C) 2017 AT&T Intellectual Property. All rights reserved.
   3  *
   4  * Licensed under the Apache License, Version 2.0 (the "License");
   5  * you may not use this file except in compliance with the License.
   6  * You may obtain a copy of the License at
   7  *
   8  * http://www.apache.org/licenses/LICENSE-2.0
   9  *
  10  * Unless required by applicable law or agreed to in writing, software
  11  * distributed under the License is distributed on an "AS IS" BASIS,
  12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express
  13  * or implied. See the License for the specific language governing
  14  * permissions and limitations under the License.
  15  */
  16
  17 import {actionTypes} from './UserNotificationsConstants.js';
  18
  19 export default (state = {}, action) => {
  20         switch (action.type) {
  21                 case actionTypes.NOTIFICATION:
  22                         let list = (state.notificationsList) ? state.notificationsList : [];
  23                         const {notifications, lastScanned} = action.data;
  24                         return {
  25                                 ...state,
  26                                 lastScanned,
  27                                 notificationsList: [...notifications, ...list],
  28                                 numOfNotSeenNotifications: state.numOfNotSeenNotifications + notifications.length
  29                         };
  30                 case actionTypes.LOAD_NOTIFICATIONS:
  31                         return {
  32                                 ...state,
  33                                 ...action.result,
  34                                 notificationsList: action.result.notifications,
  35                                 notifications: undefined
  36                         };
  37                 case actionTypes.LOAD_PREV_NOTIFICATIONS:
  38                         const {notifications: prevNotifications, endOfPage: newEndOfPage} = action.result;
  39                         return {
  40                                 ...state,
  41                                 notificationsList: [
  42                                         ...state.notificationsList,
  43                                         ...prevNotifications
  44                                 ],
  45                                 endOfPage: newEndOfPage
  46                         };
  47                 case actionTypes.UPDATE_READ_NOTIFICATION:
  48                         let {notificationForUpdate} = action;
  49                         notificationForUpdate = {...notificationForUpdate, read: true};
  50                         const indexForEdit = state.notificationsList.findIndex(notification => notification.eventId === notificationForUpdate.eventId);
  51                         return {
  52                                 ...state,
  53                                 notificationsList: [
  54                                         ...state.notificationsList.slice(0, indexForEdit),
  55                                         notificationForUpdate,
  56                                         ...state.notificationsList.slice(indexForEdit + 1)
  57                                 ]
  58                         };
  59                 case actionTypes.RESET_NEW_NOTIFICATIONS:
  60                         return {
  61                                 ...state,
  62                                 numOfNotSeenNotifications: 0
  63                         };
  64                 case actionTypes.TOGGLE_OVERLAY:
  65                         return {
  66                                 ...state,
  67                                 showNotificationsOverlay: action.showNotificationsOverlay
  68                         };
  69                 default:
  70                         return state;
  71         }
  72 };