spreed/lib/Chat/Notifier.php

308 строки
8.5 KiB
PHP

<?php
declare(strict_types=1);
/**
*
* @copyright Copyright (c) 2017, Daniel Calviño Sánchez (danxuliu@gmail.com)
*
* @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 <http://www.gnu.org/licenses/>.
*
*/
namespace OCA\Spreed\Chat;
use OCA\Spreed\Exceptions\ParticipantNotFoundException;
use OCA\Spreed\Exceptions\RoomNotFoundException;
use OCA\Spreed\Files\Util;
use OCA\Spreed\Manager;
use OCA\Spreed\Participant;
use OCA\Spreed\Room;
use OCP\Comments\IComment;
use OCP\Notification\IManager as INotificationManager;
use OCP\Notification\INotification;
use OCP\IUserManager;
/**
* Helper class for notifications related to user mentions in chat messages.
*
* This class uses the NotificationManager to create and remove the
* notifications as needed; OCA\Spreed\Notification\Notifier is the one that
* prepares the notifications for display.
*/
class Notifier {
/** @var INotificationManager */
private $notificationManager;
/** @var IUserManager */
private $userManager;
/** @var Manager */
private $manager;
/** @var Util */
private $util;
public function __construct(INotificationManager $notificationManager,
IUserManager $userManager,
Manager $manager,
Util $util) {
$this->notificationManager = $notificationManager;
$this->userManager = $userManager;
$this->manager = $manager;
$this->util = $util;
}
/**
* Notifies the user mentioned in the comment.
*
* The comment must be a chat message comment. That is, its "objectId" must
* be the room ID.
*
* Not every user mentioned in the message is notified, but only those that
* are able to participate in the room.
*
* @param Room $chat
* @param IComment $comment
* @return string[] Users that were mentioned
*/
public function notifyMentionedUsers(Room $chat, IComment $comment): array {
$mentionedUserIds = $this->getMentionedUserIds($comment);
if (empty($mentionedUserIds)) {
return [];
}
$mentionedAll = array_search('all', $mentionedUserIds, true);
if ($mentionedAll !== false) {
$mentionedUserIds = array_unique(array_merge($mentionedUserIds, $chat->getParticipantUserIds()));
}
$notification = $this->createNotification($chat, $comment, 'mention');
foreach ($mentionedUserIds as $mentionedUserId) {
if ($this->shouldUserBeNotified($mentionedUserId, $comment)) {
$notification->setUser($mentionedUserId);
$this->notificationManager->notify($notification);
}
}
return $mentionedUserIds;
}
/**
* Notifies the user mentioned in the comment.
*
* The comment must be a chat message comment. That is, its "objectId" must
* be the room ID.
*
* Not every user mentioned in the message is notified, but only those that
* are able to participate in the room.
*
* @param Room $chat
* @param IComment $comment
* @param string[] $mentionedUsers
*/
public function notifyOtherParticipant(Room $chat, IComment $comment, array $mentionedUsers): void {
$participants = $chat->getParticipantsByNotificationLevel(Participant::NOTIFY_ALWAYS);
$notification = $this->createNotification($chat, $comment, 'chat');
foreach ($participants as $participant) {
if ($participant->isGuest()) {
continue;
}
if ($participant->getUser() === $comment->getActorId()) {
// Do not notify the author
continue;
}
if (\in_array($participant->getUser(), $mentionedUsers, true)) {
continue;
}
if ($participant->getSessionId() !== '0') {
// User is online
continue;
}
$notification->setUser($participant->getUser());
$this->notificationManager->notify($notification);
}
// Also notify default participants in one2one chats
if ($chat->getType() === Room::ONE_TO_ONE_CALL) {
$participants = $chat->getParticipantsByNotificationLevel(Participant::NOTIFY_DEFAULT);
foreach ($participants as $participant) {
if ($participant->isGuest()) {
continue;
}
if ($participant->getUser() === $comment->getActorId()) {
// Do not notify the author
continue;
}
if (\in_array($participant->getUser(), $mentionedUsers, true)) {
continue;
}
if ($participant->getSessionId() !== '0') {
// User is online
continue;
}
$notification->setUser($participant->getUser());
$this->notificationManager->notify($notification);
}
}
}
/**
* Removes all the pending notifications for the room with the given ID.
*
* @param Room $chat
*/
public function removePendingNotificationsForRoom(Room $chat): void {
$notification = $this->notificationManager->createNotification();
// @todo this should be in the Notifications\Hooks
$notification->setApp('spreed');
$notification->setObject('chat', $chat->getToken());
$this->notificationManager->markProcessed($notification);
$notification->setObject('room', $chat->getToken());
$this->notificationManager->markProcessed($notification);
$notification->setObject('call', $chat->getToken());
$this->notificationManager->markProcessed($notification);
}
/**
* Removes all the pending mention notifications for the room
*
* @param Room $chat
* @param string $userId
*/
public function markMentionNotificationsRead(Room $chat, ?string $userId): void {
if ($userId === null || $userId === '') {
return;
}
$notification = $this->notificationManager->createNotification();
$notification
->setApp('spreed')
->setObject('chat', $chat->getToken())
->setUser($userId);
$this->notificationManager->markProcessed($notification);
}
/**
* Returns the IDs of the users mentioned in the given comment.
*
* @param IComment $comment
* @return string[] the mentioned user IDs
*/
private function getMentionedUserIds(IComment $comment): array {
$mentions = $comment->getMentions();
if (empty($mentions)) {
return [];
}
$userIds = [];
foreach ($mentions as $mention) {
if ($mention['type'] === 'user') {
$userIds[] = $mention['id'];
}
}
return $userIds;
}
/**
* Creates a notification for the given chat message comment and mentioned
* user ID.
*
* @param Room $chat
* @param IComment $comment
* @param string $subject
* @return INotification
*/
private function createNotification(Room $chat, IComment $comment, string $subject): INotification {
$notification = $this->notificationManager->createNotification();
$notification
->setApp('spreed')
->setObject('chat', $chat->getToken())
->setSubject($subject, [
'userType' => $comment->getActorType(),
'userId' => $comment->getActorId(),
])
->setMessage($comment->getVerb(), [
'commentId' => $comment->getId(),
])
->setDateTime($comment->getCreationDateTime());
return $notification;
}
/**
* Determinates whether a user should be notified about the mention:
*
* 1. The user did not mention themself
* 2. The user must exist
* 3. The user must be a participant of the room
* 4. The user must not be active in the room
*
* @param string $userId
* @param IComment $comment
* @return bool
*/
private function shouldUserBeNotified($userId, IComment $comment): bool {
if ($userId === $comment->getActorId()) {
// Do not notify the user if they mentioned themselves
return false;
}
if (!$this->userManager->userExists($userId)) {
return false;
}
try {
$room = $this->manager->getRoomById((int) $comment->getObjectId());
} catch (RoomNotFoundException $e) {
return false;
}
try {
$participant = $room->getParticipant($userId);
return $participant->getNotificationLevel() !== Participant::NOTIFY_NEVER;
} catch (ParticipantNotFoundException $e) {
if ($room->getObjectType() === 'file' && $this->util->canUserAccessFile($room->getObjectId(), $userId)) {
// Users are added on mentions in file-rooms,
// so they can see the room in their room list and
// the notification can be parsed and links to an existing room,
// where they are a participant of.
$room->addUsers(['userId' => $userId]);
return true;
}
return false;
}
}
}