forked from EVOgeek/Vmeda.Online
65 lines
2.5 KiB
TypeScript
65 lines
2.5 KiB
TypeScript
// (C) Copyright 2015 Moodle Pty Ltd.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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import { AddonNotificationsNotificationsSource } from '@addons/notifications/classes/notifications-source';
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import {
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AddonNotificationsGetReadType,
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AddonNotificationsNotificationMessageFormatted,
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} from '@addons/notifications/services/notifications';
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/**
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* Provides a list of notifications using legacy web services.
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*/
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export class AddonLegacyNotificationsNotificationsSource extends AddonNotificationsNotificationsSource {
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/**
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* @inheritdoc
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*/
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protected async loadPageItems(page: number): Promise<{
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items: AddonNotificationsNotificationMessageFormatted[];
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hasMoreItems: boolean;
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}> {
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let items: AddonNotificationsNotificationMessageFormatted[] = [];
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let hasMoreItems = false;
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let pageUnreadCount = 0;
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const pageLength = this.getPageLength();
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const totalUnread = () => this.totals[AddonNotificationsGetReadType.UNREAD] ?? Number.MAX_VALUE;
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// Load unread notifications first.
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if (totalUnread() > page * pageLength) {
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const pageResults = await this.loadNotifications(AddonNotificationsGetReadType.UNREAD, page * pageLength);
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items = items.concat(pageResults.notifications);
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hasMoreItems = pageResults.hasMoreNotifications;
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pageUnreadCount = pageResults.notifications.length;
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}
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// If all unread notifications have been fetched, load read notifications first.
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if (totalUnread() < (page + 1) * pageLength) {
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const offset = Math.max(0, page * pageLength - totalUnread());
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const pageResults = await this.loadNotifications(
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AddonNotificationsGetReadType.READ,
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offset,
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pageLength - pageUnreadCount,
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);
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items = items.concat(pageResults.notifications);
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hasMoreItems = pageResults.hasMoreNotifications;
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}
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return { items, hasMoreItems };
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}
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}
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