donphan/app/assets/javascripts/components/reducers/notifications.jsx

88 lines
2.6 KiB
JavaScript

import {
NOTIFICATIONS_UPDATE,
NOTIFICATIONS_REFRESH_SUCCESS,
NOTIFICATIONS_EXPAND_SUCCESS,
NOTIFICATIONS_REFRESH_REQUEST,
NOTIFICATIONS_EXPAND_REQUEST,
NOTIFICATIONS_REFRESH_FAIL,
NOTIFICATIONS_EXPAND_FAIL,
NOTIFICATIONS_CLEAR
} from '../actions/notifications';
import { ACCOUNT_BLOCK_SUCCESS } from '../actions/accounts';
import Immutable from 'immutable';
const initialState = Immutable.Map({
items: Immutable.List(),
next: null,
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) => {
return state.update('items', list => 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 ? list.unshift(...items) : list.push(...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.push(...items))
.set('next', next)
.set('isLoading', false);
};
const filterNotifications = (state, relationship) => {
return state.update('items', list => list.filterNot(item => item.get('account') === relationship.id));
};
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_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);
default:
return state;
}
};