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<?php
declare(strict_types=1);
/**
* SPDX-FileCopyrightText: 2016 ownCloud, Inc.
* SPDX-License-Identifier: AGPL-3.0-only
*/
namespace OCA\UpdateNotification\Notification;
use OCP\App\IAppManager;
use OCP\IConfig;
use OCP\IGroupManager;
use OCP\IURLGenerator;
use OCP\IUser;
use OCP\IUserSession;
use OCP\L10N\IFactory;
use OCP\Notification\AlreadyProcessedException;
use OCP\Notification\IManager;
use OCP\Notification\INotification;
use OCP\Notification\INotifier;
use OCP\Notification\UnknownNotificationException;
use OCP\Util;
class Notifier implements INotifier {
/** @var IURLGenerator */
protected $url;
/** @var IConfig */
protected $config;
/** @var IManager */
protected $notificationManager;
/** @var IFactory */
protected $l10NFactory;
/** @var IUserSession */
protected $userSession;
/** @var IGroupManager */
protected $groupManager;
/** @var string[] */
protected $appVersions;
/**
* Notifier constructor.
*
* @param IURLGenerator $url
* @param IConfig $config
* @param IManager $notificationManager
* @param IFactory $l10NFactory
* @param IUserSession $userSession
* @param IGroupManager $groupManager
*/
public function __construct(IURLGenerator $url, IConfig $config, IManager $notificationManager, IFactory $l10NFactory, IUserSession $userSession, IGroupManager $groupManager) {
$this->url = $url;
$this->notificationManager = $notificationManager;
$this->config = $config;
$this->l10NFactory = $l10NFactory;
$this->userSession = $userSession;
$this->groupManager = $groupManager;
$this->appVersions = $this->getAppVersions();
}
/**
* Identifier of the notifier, only use [a-z0-9_]
*
* @return string
* @since 17.0.0
*/
public function getID(): string {
return 'updatenotification';
}
/**
* Human readable name describing the notifier
*
* @return string
* @since 17.0.0
*/
public function getName(): string {
return $this->l10NFactory->get('updatenotification')->t('Update notifications');
}
/**
* @param INotification $notification
* @param string $languageCode The code of the language that should be used to prepare the notification
* @return INotification
* @throws UnknownNotificationException When the notification was not prepared by a notifier
* @throws AlreadyProcessedException When the notification is not needed anymore and should be deleted
* @since 9.0.0
*/
public function prepare(INotification $notification, string $languageCode): INotification {
if ($notification->getApp() !== 'updatenotification') {
throw new UnknownNotificationException('Unknown app id');
}
if ($notification->getSubject() !== 'update_available' && $notification->getSubject() !== 'connection_error') {
throw new UnknownNotificationException('Unknown subject');
}
$l = $this->l10NFactory->get('updatenotification', $languageCode);
if ($notification->getSubject() === 'connection_error') {
$errors = (int) $this->config->getAppValue('updatenotification', 'update_check_errors', '0');
if ($errors === 0) {
throw new AlreadyProcessedException();
}
$notification->setParsedSubject($l->t('The update server could not be reached since %d days to check for new updates.', [$errors]))
->setParsedMessage($l->t('Please check the Nextcloud and server log files for errors.'));
} else {
if ($notification->getObjectType() === 'core') {
$this->updateAlreadyInstalledCheck($notification, $this->getCoreVersions());
$parameters = $notification->getSubjectParameters();
$notification->setRichSubject($l->t('Update to {serverAndVersion} is available.'), [
'serverAndVersion' => [
'type' => 'highlight',
'id' => $notification->getObjectType(),
'name' => $parameters['version'],
]
]);
if ($this->isAdmin()) {
$notification->setLink($this->url->linkToRouteAbsolute('settings.AdminSettings.index', ['section' => 'overview']) . '#version');
}
} else {
$appInfo = $this->getAppInfo($notification->getObjectType(), $languageCode);
$appName = ($appInfo === null) ? $notification->getObjectType() : $appInfo['name'];
if (isset($this->appVersions[$notification->getObjectType()])) {
$this->updateAlreadyInstalledCheck($notification, $this->appVersions[$notification->getObjectType()]);
}
$notification->setRichSubject($l->t('Update for {app} to version %s is available.', [$notification->getObjectId()]), [
'app' => [
'type' => 'app',
'id' => $notification->getObjectType(),
'name' => $appName,
]
]);
if ($this->isAdmin()) {
$notification->setLink($this->url->linkToRouteAbsolute('settings.AppSettings.viewApps', ['category' => 'updates']) . '#app-' . $notification->getObjectType());
}
}
}
$notification->setIcon($this->url->getAbsoluteURL($this->url->imagePath('updatenotification', 'notification.svg')));
return $notification;
}
/**
* Remove the notification and prevent rendering, when the update is installed
*
* @param INotification $notification
* @param string $installedVersion
* @throws AlreadyProcessedException When the update is already installed
*/
protected function updateAlreadyInstalledCheck(INotification $notification, $installedVersion) {
if (version_compare($notification->getObjectId(), $installedVersion, '<=')) {
throw new AlreadyProcessedException();
}
}
/**
* @return bool
*/
protected function isAdmin(): bool {
$user = $this->userSession->getUser();
if ($user instanceof IUser) {
return $this->groupManager->isAdmin($user->getUID());
}
return false;
}
protected function getCoreVersions(): string {
return implode('.', Util::getVersion());
}
protected function getAppVersions(): array {
return \OC_App::getAppVersions();
}
protected function getAppInfo($appId, $languageCode) {
return \OCP\Server::get(IAppManager::class)->getAppInfo($appId, false, $languageCode);
}
}
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