friendica/src/Module/BaseNotifications.php

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<?php
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/**
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* @copyright Copyright (C) 2010-2021, the Friendica project
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*
* @license GNU AGPL version 3 or any later version
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as
* published by the Free Software Foundation, either version 3 of the
* License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <https://www.gnu.org/licenses/>.
*
*/
namespace Friendica\Module;
use Exception;
use Friendica\BaseModule;
use Friendica\Content\Pager;
use Friendica\Core\Renderer;
use Friendica\Core\System;
use Friendica\DI;
use Friendica\Network\HTTPException\ForbiddenException;
use Friendica\Object\Notification\Notification;
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/**
* Base Module for each tab of the notification display
*
* General possibility to print it as JSON as well
*/
abstract class BaseNotifications extends BaseModule
{
/** @var array Array of URL parameters */
const URL_TYPES = [
Notification::NETWORK => 'network',
Notification::SYSTEM => 'system',
Notification::HOME => 'home',
Notification::PERSONAL => 'personal',
Notification::INTRO => 'intros',
];
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/** @var array Array of the allowed notifications and their printable name */
const PRINT_TYPES = [
Notification::NETWORK => 'Network',
Notification::SYSTEM => 'System',
Notification::HOME => 'Home',
Notification::PERSONAL => 'Personal',
Notification::INTRO => 'Introductions',
];
/** @var array The array of access keys for notification pages */
const ACCESS_KEYS = [
Notification::NETWORK => 'w',
Notification::SYSTEM => 'y',
Notification::HOME => 'h',
Notification::PERSONAL => 'r',
Notification::INTRO => 'i',
];
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/** @var int The default count of items per page */
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const ITEMS_PER_PAGE = 20;
/** @var int The default limit of notifications per page */
const DEFAULT_PAGE_LIMIT = 80;
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/** @var boolean True, if ALL entries should get shown */
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protected static $showAll;
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/** @var int The determined start item of the current page */
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protected static $firstItemNum;
/**
* Collects all notifications from the backend
*
* @return array The determined notification array
* ['header', 'notifications']
*/
abstract public static function getNotifications();
public static function init(array $parameters = [])
{
if (!local_user()) {
throw new ForbiddenException(DI::l10n()->t('Permission denied.'));
}
$page = ($_REQUEST['page'] ?? 0) ?: 1;
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self::$firstItemNum = ($page * self::ITEMS_PER_PAGE) - self::ITEMS_PER_PAGE;
self::$showAll = ($_REQUEST['show'] ?? '') === 'all';
}
public static function rawContent(array $parameters = [])
{
// If the last argument of the query is NOT json, return
if (DI::args()->get(DI::args()->getArgc() - 1) !== 'json') {
return;
}
// Set the pager
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$pager = new Pager(DI::l10n(), DI::args()->getQueryString(), self::ITEMS_PER_PAGE);
// Add additional informations (needed for json output)
$notifications = [
'notifications' => static::getNotifications(),
'items_page' => $pager->getItemsPerPage(),
'page' => $pager->getPage(),
];
System::jsonExit($notifications);
}
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/**
* Shows the printable result of notifications for a specific tab
*
* @param string $header The notification header
* @param array $notifications The array with the notifications
* @param string $noContent The string in case there are no notifications
* @param array $showLink The possible links at the top
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*
* @return string The rendered output
*
* @throws \Friendica\Network\HTTPException\InternalServerErrorException
*/
protected static function printContent(string $header, array $notifications, string $noContent, array $showLink)
{
// Get the nav tabs for the notification pages
$tabs = self::getTabs();
// Set the pager
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$pager = new Pager(DI::l10n(), DI::args()->getQueryString(), self::ITEMS_PER_PAGE);
$notif_tpl = Renderer::getMarkupTemplate('notifications/notifications.tpl');
return Renderer::replaceMacros($notif_tpl, [
'$header' => $header ?? DI::l10n()->t('Notifications'),
'$tabs' => $tabs,
'$notifications' => $notifications,
'$noContent' => $noContent,
'$showLink' => $showLink,
'$paginate' => $pager->renderMinimal(count($notifications))
]);
}
/**
* List of pages for the Notifications TabBar
*
* @return array with with notifications TabBar data
* @throws Exception
*/
private static function getTabs()
{
$selected = DI::args()->get(1, '');
$tabs = [];
foreach (self::URL_TYPES as $type => $url) {
$tabs[] = [
'label' => DI::l10n()->t(self::PRINT_TYPES[$type]),
'url' => 'notifications/' . $url,
'sel' => (($selected == $url) ? 'active' : ''),
'id' => $type . '-tab',
'accesskey' => self::ACCESS_KEYS[$type],
];
}
return $tabs;
}
}