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<?php
/**
* @author Joas Schilling <coding@schilljs.com>
*
* @copyright Copyright (c) 2016, ownCloud, Inc.
* @license AGPL-3.0
*
* This code is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License, version 3,
* as published by the Free Software Foundation.
*
* 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, version 3,
* along with this program. If not, see <http://www.gnu.org/licenses/>
*
*/
namespace OCA\Notifications\Controller;
use OCA\Notifications\Handler;
use OCP\AppFramework\Http;
use OCP\AppFramework\Http\DataResponse;
use OCP\AppFramework\OCSController;
use OCP\IConfig;
use OCP\IRequest;
use OCP\IUser;
use OCP\IUserSession;
use OCP\Notification\IAction;
use OCP\Notification\IManager;
use OCP\Notification\INotification;
class EndpointController extends OCSController {
/** @var Handler */
private $handler;
/** @var IManager */
private $manager;
/** @var IUserSession */
private $session;
/** @var IConfig */
private $config;
/**
* @param string $appName
* @param IRequest $request
* @param Handler $handler
* @param IManager $manager
* @param IConfig $config
* @param IUserSession $session
*/
public function __construct($appName, IRequest $request, Handler $handler, IManager $manager, IConfig $config, IUserSession $session) {
parent::__construct($appName, $request);
$this->handler = $handler;
$this->manager = $manager;
$this->config = $config;
$this->session = $session;
}
/**
* @NoAdminRequired
* @NoCSRFRequired
*
* @param string $apiVersion
* @return DataResponse
*/
public function listNotifications($apiVersion) {
// When there are no apps registered that use the notifications
// We stop polling for them.
if (!$this->manager->hasNotifiers()) {
return new DataResponse(null, Http::STATUS_NO_CONTENT);
}
$filter = $this->manager->createNotification();
$filter->setUser($this->getCurrentUser());
$language = $this->config->getUserValue($this->getCurrentUser(), 'core', 'lang', null);
$notifications = $this->handler->get($filter);
$data = [];
$notificationIds = [];
foreach ($notifications as $notificationId => $notification) {
/** @var INotification $notification */
try {
$notification = $this->manager->prepare($notification, $language);
} catch (\InvalidArgumentException $e) {
// The app was disabled, skip the notification
continue;
}
$notificationIds[] = $notificationId;
$data[] = $this->notificationToArray($notificationId, $notification, $apiVersion);
}
$etag = $this->generateEtag($notificationIds);
if ($apiVersion !== 'v1' && $this->request->getHeader('If-None-Match') === $etag) {
return new DataResponse([], Http::STATUS_NOT_MODIFIED);
}
return new DataResponse($data, Http::STATUS_OK, ['ETag' => $etag]);
}
/**
* @NoAdminRequired
* @NoCSRFRequired
*
* @param string $apiVersion
* @param int $id
* @return DataResponse
*/
public function getNotification($apiVersion, $id) {
if (!$this->manager->hasNotifiers()) {
return new DataResponse(null, Http::STATUS_NOT_FOUND);
}
if (!is_int($id) || $id === 0) {
return new DataResponse(null, Http::STATUS_NOT_FOUND);
}
$notification = $this->handler->getById($id, $this->getCurrentUser());
if (!($notification instanceof INotification)) {
return new DataResponse(null, Http::STATUS_NOT_FOUND);
}
$language = $this->config->getUserValue($this->getCurrentUser(), 'core', 'lang', null);
try {
$notification = $this->manager->prepare($notification, $language);
} catch (\InvalidArgumentException $e) {
// The app was disabled
return new DataResponse(null, Http::STATUS_NOT_FOUND);
}
return new DataResponse($this->notificationToArray($id, $notification, $apiVersion));
}
/**
* @NoAdminRequired
*
* @param int $id
* @return DataResponse
*/
public function deleteNotification($id = 0) {
if (!is_int($id) || $id === 0) {
return new DataResponse(null, Http::STATUS_NOT_FOUND);
}
$id = (int) $id;
$this->handler->deleteById($id, $this->getCurrentUser());
return new DataResponse();
}
/**
* Get an Etag for the notification ids
*
* @param array $notifications
* @return string
*/
protected function generateEtag(array $notifications) {
return md5(json_encode($notifications));
}
/**
* @param int $notificationId
* @param INotification $notification
* @param string $apiVersion
* @return array
*/
protected function notificationToArray($notificationId, INotification $notification, $apiVersion) {
$data = [
'notification_id' => $notificationId,
'app' => $notification->getApp(),
'user' => $notification->getUser(),
'datetime' => $notification->getDateTime()->format('c'),
'object_type' => $notification->getObjectType(),
'object_id' => $notification->getObjectId(),
'subject' => $notification->getParsedSubject(),
'message' => $notification->getParsedMessage(),
'link' => $notification->getLink(),
];
if ($apiVersion !== 'v1') {
$data = array_merge($data, [
'subjectRich' => $notification->getRichSubject(),
'subjectRichParameters' => $notification->getRichSubjectParameters(),
'messageRich' => $notification->getRichMessage(),
'messageRichParameters' => $notification->getRichMessageParameters(),
'icon' => $notification->getIcon(),
]);
}
$data['actions'] = [];
foreach ($notification->getParsedActions() as $action) {
$data['actions'][] = $this->actionToArray($action);
}
return $data;
}
/**
* @param IAction $action
* @return array
*/
protected function actionToArray(IAction $action) {
return [
'label' => $action->getParsedLabel(),
'link' => $action->getLink(),
'type' => $action->getRequestType(),
'primary' => $action->isPrimary(),
];
}
/**
* @return string
*/
protected function getCurrentUser() {
$user = $this->session->getUser();
if ($user instanceof IUser) {
$user = $user->getUID();
}
return (string) $user;
}
}