spreed/lib/Chat/Notifier.php
Joas Schilling abe9f2f75d
fix(notifications): Change default group notifications to "Always"
Signed-off-by: Joas Schilling <coding@schilljs.com>
2025-11-20 17:05:19 +01:00

777 lines
26 KiB
PHP

<?php
declare(strict_types=1);
/**
* SPDX-FileCopyrightText: 2017 Nextcloud GmbH and Nextcloud contributors
* SPDX-License-Identifier: AGPL-3.0-or-later
*/
namespace OCA\Talk\Chat;
use OCA\Talk\Exceptions\ParticipantNotFoundException;
use OCA\Talk\Files\Util;
use OCA\Talk\Model\Attendee;
use OCA\Talk\Model\Session;
use OCA\Talk\Model\ThreadAttendee;
use OCA\Talk\Participant;
use OCA\Talk\Room;
use OCA\Talk\Service\ParticipantService;
use OCA\Talk\Service\ThreadService;
use OCA\Talk\Webinary;
use OCP\AppFramework\Utility\ITimeFactory;
use OCP\Comments\IComment;
use OCP\IConfig;
use OCP\IGroup;
use OCP\IGroupManager;
use OCP\IUserManager;
use OCP\Notification\IManager as INotificationManager;
use OCP\Notification\INotification;
/**
* 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\Talk\Notification\Notifier is the one that
* prepares the notifications for display.
*/
class Notifier {
public const PRIORITY_NONE = 0;
public const PRIORITY_NORMAL = 1;
public const PRIORITY_IMPORTANT = 2;
public function __construct(
private INotificationManager $notificationManager,
private IUserManager $userManager,
private IGroupManager $groupManager,
private ParticipantService $participantService,
private ThreadService $threadService,
private IConfig $config,
private ITimeFactory $timeFactory,
private 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
* @param array[] $alreadyNotifiedUsers
* @psalm-param array<int, array{id: string, type: string, reason: string, sourceId?: string, attendee?: Attendee}> $alreadyNotifiedUsers
* @param bool $silent
* @param Participant|null $participant
* @return string[] Users that were mentioned
* @psalm-return array<int, array{id: string, type: string, reason: string, sourceId?: string, attendee?: Attendee}>
*/
public function notifyMentionedUsers(Room $chat, IComment $comment, array $alreadyNotifiedUsers, bool $silent, ?Participant $participant = null, ?int $threadId = null): array {
$usersToNotify = $this->getUsersToNotify($chat, $comment, $alreadyNotifiedUsers, $participant);
if (!$usersToNotify) {
return $alreadyNotifiedUsers;
}
$shouldFlush = false;
if (!$silent) {
$notification = $this->createNotification($chat, $comment, 'mention', threadId: $threadId);
$parameters = $notification->getSubjectParameters();
$shouldFlush = $this->notificationManager->defer();
}
foreach ($usersToNotify as $mentionedUser) {
$shouldMentionedUserBeNotified = $this->shouldMentionedUserBeNotified($mentionedUser['id'], $comment, $chat, $mentionedUser['attendee'] ?? null);
if ($shouldMentionedUserBeNotified !== self::PRIORITY_NONE) {
if (!$silent) {
$notification->setUser($mentionedUser['id']);
if (isset($mentionedUser['reason'])) {
$notification->setSubject('mention_' . $mentionedUser['reason'], array_merge($parameters, [
'sourceId' => $mentionedUser['sourceId'] ?? null,
]));
} else {
$notification->setSubject('mention', $parameters);
}
$notification->setPriorityNotification($shouldMentionedUserBeNotified === self::PRIORITY_IMPORTANT);
$this->notificationManager->notify($notification);
}
$alreadyNotifiedUsers[] = $mentionedUser;
}
}
if ($shouldFlush) {
$this->notificationManager->flush();
}
return $alreadyNotifiedUsers;
}
/**
* @param Room $chat
* @param IComment $comment
* @param array $alreadyNotifiedUsers
* @psalm-param array<int, array{id: string, type: string, reason: string, sourceId?: string, attendee?: Attendee}> $alreadyNotifiedUsers
* @param Participant|null $participant
* @return array
* @psalm-return array<int, array{id: string, type: string, reason: string, sourceId?: string, attendee?: Attendee}>
*/
public function getUsersToNotify(Room $chat, IComment $comment, array $alreadyNotifiedUsers, ?Participant $participant = null): array {
$usersToNotify = $this->getMentionedUsers($comment);
$usersToNotify = $this->getMentionedGroupMembers($chat, $comment, $usersToNotify);
$usersToNotify = $this->getMentionedTeamMembers($chat, $comment, $usersToNotify);
$usersToNotify = $this->addMentionAllToList($chat, $usersToNotify, $participant);
$usersToNotify = $this->removeAlreadyNotifiedUsers($usersToNotify, $alreadyNotifiedUsers);
return $usersToNotify;
}
/**
* @param array $usersToNotify
* @psalm-param array<int, array{id: string, type: string, reason: string, sourceId?: string, attendee?: Attendee}> $usersToNotify
* @param array $alreadyNotifiedUsers
* @psalm-param array<int, array{id: string, type: string, reason: string, sourceId?: string, attendee?: Attendee}> $alreadyNotifiedUsers
* @return array
* @psalm-return array<int, array{id: string, type: string, reason: string, sourceId?: string, attendee?: Attendee}>
*/
private function removeAlreadyNotifiedUsers(array $usersToNotify, array $alreadyNotifiedUsers): array {
return array_filter($usersToNotify, static function (array $userToNotify) use ($alreadyNotifiedUsers): bool {
foreach ($alreadyNotifiedUsers as $alreadyNotified) {
if ($alreadyNotified['id'] === $userToNotify['id'] && $alreadyNotified['type'] === $userToNotify['type']) {
return false;
}
}
return true;
});
}
/**
* @param Room $chat
* @param array $list
* @psalm-param array<int, array{id: string, type: string, reason: string, sourceId?: string}> $list
* @param Participant|null $participant
* @return array
* @psalm-return array<int, array{id: string, type: string, reason: string, sourceId?: string, attendee?: Attendee}>
*/
private function addMentionAllToList(Room $chat, array $list, ?Participant $participant = null): array {
$usersToNotify = array_filter($list, static function (array $entry): bool {
return $entry['type'] !== Attendee::ACTOR_USERS || $entry['id'] !== 'all';
});
if (count($list) === count($usersToNotify)) {
return $usersToNotify;
}
if ($chat->getMentionPermissions() === Room::MENTION_PERMISSIONS_MODERATORS && (!$participant instanceof Participant || !$participant->hasModeratorPermissions())) {
return $usersToNotify;
}
$attendees = $this->participantService->getActorsByType($chat, Attendee::ACTOR_USERS);
foreach ($attendees as $attendee) {
$alreadyAddedToNotify = array_filter($list, static function ($user) use ($attendee): bool {
return $user['id'] === $attendee->getActorId();
});
if (!empty($alreadyAddedToNotify)) {
continue;
}
$usersToNotify[] = [
'id' => $attendee->getActorId(),
'type' => $attendee->getActorType(),
'attendee' => $attendee,
'reason' => 'all',
];
}
return $usersToNotify;
}
/**
* Notifies the author that wrote the comment which was replied to
*
* The comment must be a chat message comment. That is, its "objectId" must
* be the room ID.
*
* The author of the message is notified only if they are still able to participate in the room
*
* @param Room $chat
* @param IComment $comment
* @param IComment $replyTo
* @param bool $silent
* @return array[] Actor that was replied to
* @psalm-return array<int, array{id: string, type: string, reason: string}>
*/
public function notifyReplyToAuthor(Room $chat, IComment $comment, IComment $replyTo, bool $silent, ?int $threadId = null): array {
if ($replyTo->getActorType() !== Attendee::ACTOR_USERS && $replyTo->getActorType() !== Attendee::ACTOR_FEDERATED_USERS) {
// No reply notification when the replyTo-author was not a user or federated user
return [];
}
if ($replyTo->getActorType() === Attendee::ACTOR_FEDERATED_USERS) {
return [
[
'id' => $replyTo->getActorId(),
'type' => $replyTo->getActorType(),
'reason' => 'reply',
],
];
}
$shouldMentionedUserBeNotified = $this->shouldMentionedUserBeNotified($replyTo->getActorId(), $comment, $chat);
if ($shouldMentionedUserBeNotified === self::PRIORITY_NONE) {
return [];
}
if (!$silent) {
$notification = $this->createNotification($chat, $comment, 'reply', threadId: $threadId);
$notification->setUser($replyTo->getActorId());
$notification->setPriorityNotification($shouldMentionedUserBeNotified === self::PRIORITY_IMPORTANT);
$this->notificationManager->notify($notification);
}
return [
[
'id' => $replyTo->getActorId(),
'type' => $replyTo->getActorType(),
'reason' => 'reply',
],
];
}
/**
* 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 array[] $alreadyNotifiedUsers
* @param bool $silent
* @psalm-param array<int, array{id: string, type: string, reason: string, sourceId?: string, attendee?: Attendee}> $alreadyNotifiedUsers
*/
public function notifyOtherParticipant(Room $chat, IComment $comment, array $alreadyNotifiedUsers, bool $silent): void {
if ($silent) {
return;
}
$participants = $this->participantService->getParticipantsByNotificationLevel($chat, Participant::NOTIFY_ALWAYS);
$threadId = (int)$comment->getTopmostParentId();
/** @var array<int, ThreadAttendee> $threadAttendees */
$threadAttendees = [];
if ($threadId !== 0) {
$threadAttendees = $this->threadService->findAttendeesForNotificationByThreadId($chat->getId(), $threadId);
}
// Handle participants that only subscribed with Participant::NOTIFY_ALWAYS to the thread, but not the conversation
$threadAttendeeIds = array_map(static fn (ThreadAttendee $threadAttendee): int => $threadAttendee->getAttendeeId(),
array_filter($threadAttendees, static fn (ThreadAttendee $threadAttendee): bool => $threadAttendee->getNotificationLevel() === Participant::NOTIFY_ALWAYS)
);
if (!empty($threadAttendeeIds)) {
$participantIds = array_map(static fn (Participant $participant): int => $participant->getAttendee()->getId(), $participants);
$missingParticipantIds = array_diff($threadAttendeeIds, $participantIds);
if (!empty($missingParticipantIds)) {
$missingParticipants = $this->participantService->getParticipantsByAttendeeId($chat, $missingParticipantIds);
if (!empty($missingParticipants)) {
$participants = array_merge($participants, $missingParticipants);
}
}
}
$notification = $this->createNotification($chat, $comment, 'chat', threadId: $threadId);
foreach ($participants as $participant) {
$attendeeId = $participant->getAttendee()->getId();
$shouldParticipantBeNotified = $this->shouldParticipantBeNotified($participant, $comment, $alreadyNotifiedUsers);
if (isset($threadAttendees[$attendeeId])) {
$threadAttendee = $threadAttendees[$attendeeId];
if ($threadAttendee->getNotificationLevel() !== Participant::NOTIFY_ALWAYS) {
// User unsubscribed from this thread
continue;
}
}
if ($shouldParticipantBeNotified === self::PRIORITY_NONE) {
continue;
}
$notification->setUser($participant->getAttendee()->getActorId());
$notification->setPriorityNotification($shouldParticipantBeNotified === self::PRIORITY_IMPORTANT);
$this->notificationManager->notify($notification);
}
// Also notify default participants in one-to-one chats or when the admin default is "always"
if ($this->getDefaultGroupNotification() === Participant::NOTIFY_ALWAYS || $chat->getType() === Room::TYPE_ONE_TO_ONE) {
$participants = $this->participantService->getParticipantsByNotificationLevel($chat, Participant::NOTIFY_DEFAULT);
foreach ($participants as $participant) {
$shouldParticipantBeNotified = $this->shouldParticipantBeNotified($participant, $comment, $alreadyNotifiedUsers);
if ($shouldParticipantBeNotified === self::PRIORITY_NONE) {
continue;
}
$notification->setUser($participant->getAttendee()->getActorId());
$notification->setPriorityNotification($shouldParticipantBeNotified === self::PRIORITY_IMPORTANT);
$this->notificationManager->notify($notification);
}
}
}
public function notifyReacted(Room $chat, IComment $comment, IComment $reaction): void {
if ($comment->getActorType() !== Attendee::ACTOR_USERS) {
return;
}
if ($comment->getActorType() === $reaction->getActorType() && $comment->getActorId() === $reaction->getActorId()) {
return;
}
try {
$participant = $this->participantService->getParticipant($chat, $comment->getActorId(), false);
} catch (ParticipantNotFoundException $e) {
return;
}
$notificationLevel = $participant->getAttendee()->getNotificationLevel();
if ($notificationLevel === Participant::NOTIFY_DEFAULT) {
if ($chat->getType() === Room::TYPE_ONE_TO_ONE) {
$notificationLevel = Participant::NOTIFY_ALWAYS;
} else {
$notificationLevel = $this->getDefaultGroupNotification();
}
}
if ($notificationLevel === Participant::NOTIFY_ALWAYS) {
$notification = $this->createNotification($chat, $comment, 'reaction', [
'reaction' => $reaction->getMessage(),
], $reaction);
$notification->setUser($comment->getActorId());
$this->notificationManager->notify($notification);
}
}
/**
* Removes all the pending notifications for the room with the given ID.
*/
public function removePendingNotificationsForRoom(Room $chat, bool $chatOnly = false): void {
$notification = $this->notificationManager->createNotification();
$shouldFlush = $this->notificationManager->defer();
// @todo this should be in the Notifications\Hooks
$notification->setApp('spreed');
$objectTypes = [
'chat',
'reminder',
];
if (!$chatOnly) {
$objectTypes = [
'call',
'chat',
'room',
'recording',
'recording_information',
'remote_talk_share',
];
}
foreach ($objectTypes as $type) {
$notification->setObject($type, $chat->getToken());
$this->notificationManager->markProcessed($notification);
}
if ($shouldFlush) {
$this->notificationManager->flush();
}
}
/**
* 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;
}
$shouldFlush = $this->notificationManager->defer();
$notification = $this->notificationManager->createNotification();
$notification
->setApp('spreed')
->setObject('chat', $chat->getToken())
->setUser($userId);
$this->notificationManager->markProcessed($notification);
if ($shouldFlush) {
$this->notificationManager->flush();
}
}
/**
* Remove all mention notifications of users that got their mention removed
*
* @param list<string> $userIds
*/
public function removeMentionNotificationAfterEdit(Room $chat, IComment $comment, array $userIds): void {
$shouldFlush = $this->notificationManager->defer();
$notification = $this->notificationManager->createNotification();
$notification
->setApp('spreed')
->setObject('chat', $chat->getToken())
// FIXME message_parameters are not handled by notification app, so this removes all notifications :(
->setMessage('comment', [
'commentId' => $comment->getId(),
]);
foreach (['mention_all', 'mention_direct'] as $subject) {
$notification->setSubject($subject);
foreach ($userIds as $userId) {
$notification->setUser($userId);
$this->notificationManager->markProcessed($notification);
}
}
if ($shouldFlush) {
$this->notificationManager->flush();
}
}
/**
* Returns the IDs of the users mentioned in the given comment.
*
* @param IComment $comment
* @return string[] the mentioned user IDs
*/
public function getMentionedUserIds(IComment $comment): array {
$mentionedUsers = $this->getMentionedUsers($comment);
return array_map(static function ($mentionedUser) {
return $mentionedUser['id'];
}, $mentionedUsers);
}
/**
* Returns the cloud IDs of the federated users mentioned in the given comment.
*
* @param IComment $comment
* @return string[] the mentioned cloud IDs
*/
public function getMentionedCloudIds(IComment $comment): array {
$mentionedFederatedUsers = $this->getMentionedFederatedUsers($comment);
return array_map(static function ($mentionedUser) {
return $mentionedUser['id'];
}, $mentionedFederatedUsers);
}
/**
* @param IComment $comment
* @return array[]
* @psalm-return array<int, array{type: string, id: string, reason: string}>
*/
private function getMentionedUsers(IComment $comment): array {
$mentions = $comment->getMentions();
if (empty($mentions)) {
return [];
}
$mentionedUsers = [];
foreach ($mentions as $mention) {
if ($mention['type'] !== 'user') {
continue;
}
$mentionedUsers[] = [
'id' => $mention['id'],
'type' => Attendee::ACTOR_USERS,
'reason' => 'direct',
];
}
return $mentionedUsers;
}
/**
* @param IComment $comment
* @return array[]
* @psalm-return array<int, array{type: string, id: string, reason: string}>
*/
private function getMentionedFederatedUsers(IComment $comment): array {
$mentions = $comment->getMentions();
if (empty($mentions)) {
return [];
}
$mentionedUsers = [];
foreach ($mentions as $mention) {
if ($mention['type'] !== 'federated_user') {
continue;
}
$mentionedUsers[] = [
'id' => $mention['id'],
'type' => Attendee::ACTOR_FEDERATED_USERS,
'reason' => 'direct',
];
}
return $mentionedUsers;
}
/**
* @param Room $chat
* @param IComment $comment
* @param array $list
* @psalm-param array<int, array{id: string, type: string, reason: string}> $list
* @return array[]
* @psalm-return array<int, array{type: string, id: string, reason: string, sourceId?: string}>
*/
private function getMentionedGroupMembers(Room $chat, IComment $comment, array $list): array {
$mentions = $comment->getMentions();
if (empty($mentions)) {
return [];
}
$alreadyMentionedUserIds = array_filter(
array_map(static fn (array $entry) => $entry['type'] === Attendee::ACTOR_USERS ? $entry['id'] : null, $list),
static fn ($userId) => $userId !== null
);
$alreadyMentionedUserIds = array_flip($alreadyMentionedUserIds);
foreach ($mentions as $mention) {
if ($mention['type'] !== 'group') {
continue;
}
$group = $this->groupManager->get($mention['id']);
if (!$group instanceof IGroup) {
continue;
}
try {
$this->participantService->getParticipantByActor($chat, Attendee::ACTOR_GROUPS, $group->getGID());
} catch (ParticipantNotFoundException $e) {
continue;
}
$members = $group->getUsers();
foreach ($members as $member) {
if (isset($alreadyMentionedUserIds[$member->getUID()])) {
continue;
}
$list[] = [
'id' => $member->getUID(),
'type' => Attendee::ACTOR_USERS,
'reason' => 'group',
'sourceId' => $group->getGID(),
];
$alreadyMentionedUserIds[$member->getUID()] = true;
}
}
return $list;
}
/**
* @param Room $chat
* @param IComment $comment
* @param array $list
* @psalm-param array<int, array{type: string, id: string, reason: string, sourceId?: string}> $list
* @return array[]
* @psalm-return array<int, array{type: string, id: string, reason: string, sourceId?: string}>
*/
private function getMentionedTeamMembers(Room $chat, IComment $comment, array $list): array {
$mentions = $comment->getMentions();
if (empty($mentions)) {
return [];
}
$alreadyMentionedUserIds = array_filter(
array_map(static fn (array $entry) => $entry['type'] === Attendee::ACTOR_USERS ? $entry['id'] : null, $list),
static fn ($userId) => $userId !== null
);
$alreadyMentionedUserIds = array_flip($alreadyMentionedUserIds);
foreach ($mentions as $mention) {
if ($mention['type'] !== 'team') {
continue;
}
try {
$this->participantService->getParticipantByActor($chat, Attendee::ACTOR_CIRCLES, $mention['id']);
} catch (ParticipantNotFoundException) {
continue;
}
$members = $this->participantService->getCircleMembers($mention['id']);
if (empty($members)) {
continue;
}
foreach ($members as $member) {
$list[] = [
'id' => $member->getUserId(),
'type' => Attendee::ACTOR_USERS,
'reason' => 'team',
'sourceId' => $mention['id'],
];
$alreadyMentionedUserIds[$member->getUserId()] = true;
}
}
return $list;
}
/**
* Creates a notification for the given chat message comment and mentioned
* user ID.
*/
private function createNotification(Room $chat, IComment $comment, string $subject, array $subjectData = [], ?IComment $reaction = null, ?int $threadId = null): INotification {
$subjectData['userType'] = $reaction ? $reaction->getActorType() : $comment->getActorType();
$subjectData['userId'] = $reaction ? $reaction->getActorId() : $comment->getActorId();
$messageData = [
'commentId' => $comment->getId(),
];
if ($threadId !== null && $threadId !== 0) {
$messageData['threadId'] = $threadId;
}
$notification = $this->notificationManager->createNotification();
$notification
->setApp('spreed')
->setObject('chat', $chat->getToken())
->setSubject($subject, $subjectData)
->setMessage($comment->getVerb(), $messageData)
->setDateTime($reaction ? $reaction->getCreationDateTime() : $comment->getCreationDateTime());
return $notification;
}
protected function getDefaultGroupNotification(): int {
return (int)$this->config->getAppValue('spreed', 'default_group_notification', (string)Participant::NOTIFY_ALWAYS);
}
/**
* Determines 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
*/
protected function shouldMentionedUserBeNotified(string $userId, IComment $comment, Room $room, ?Attendee $attendee = null): int {
if ($comment->getActorType() === Attendee::ACTOR_USERS && $userId === $comment->getActorId()) {
// Do not notify the user if they mentioned themselves
return self::PRIORITY_NONE;
}
try {
if (!$attendee instanceof Attendee) {
if (!$this->userManager->userExists($userId)) {
return self::PRIORITY_NONE;
}
$participant = $this->participantService->getParticipant($room, $userId, false);
$attendee = $participant->getAttendee();
} else {
$participant = new Participant($room, $attendee, null);
}
if ($room->getLobbyState() !== Webinary::LOBBY_NONE
&& !($participant->getPermissions() & Attendee::PERMISSIONS_LOBBY_IGNORE)) {
return self::PRIORITY_NONE;
}
$notificationLevel = $attendee->getNotificationLevel();
$threadId = (int)$comment->getTopmostParentId();
if ($threadId !== 0) {
$threadAttendees = $this->threadService->findAttendeeByThreadIds($attendee, [$threadId]);
$threadAttendee = array_shift($threadAttendees);
if ($threadAttendee !== null && $threadAttendee->getNotificationLevel() !== Participant::NOTIFY_DEFAULT) {
$notificationLevel = $threadAttendee->getNotificationLevel();
}
}
if ($notificationLevel === Participant::NOTIFY_DEFAULT) {
if ($room->getType() === Room::TYPE_ONE_TO_ONE) {
$notificationLevel = Participant::NOTIFY_ALWAYS;
} else {
$notificationLevel = $this->getDefaultGroupNotification();
}
}
if ($notificationLevel === Participant::NOTIFY_NEVER) {
return self::PRIORITY_NONE;
}
if ($attendee->isImportant()) {
return self::PRIORITY_IMPORTANT;
}
return self::PRIORITY_NORMAL;
} 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.
$userDisplayName = $this->userManager->getDisplayName($userId);
$this->participantService->addUsers($room, [[
'actorType' => Attendee::ACTOR_USERS,
'actorId' => $userId,
'displayName' => $userDisplayName ?? $userId,
]]);
return self::PRIORITY_NORMAL;
}
return self::PRIORITY_NONE;
}
}
/**
* Determines whether a participant should be notified about the message:
*
* 1. The participant is not a guest
* 2. The participant is not the writing user
* 3. The participant was not mentioned already
* 4. The participant must not be active in the room
*
* @psalm-param array<int, array{type: string, id: string, reason: string, sourceId?: string, attendee?: Attendee}> $alreadyNotifiedUsers
*/
protected function shouldParticipantBeNotified(Participant $participant, IComment $comment, array $alreadyNotifiedUsers): int {
if ($participant->getAttendee()->getActorType() !== Attendee::ACTOR_USERS) {
return self::PRIORITY_NONE;
}
$userId = $participant->getAttendee()->getActorId();
if ($comment->getActorType() === Attendee::ACTOR_USERS && $userId === $comment->getActorId()) {
// Do not notify the author
return self::PRIORITY_NONE;
}
$actorType = $participant->getAttendee()->getActorType();
foreach ($alreadyNotifiedUsers as $user) {
if ($user['id'] === $userId && $user['type'] === $actorType) {
return self::PRIORITY_NONE;
}
}
if ($participant->getSession()?->getLastPing() >= $this->timeFactory->getTime() - Session::SESSION_TIMEOUT) {
// User is online
return self::PRIORITY_NONE;
}
if ($participant->getAttendee()->isImportant()) {
return self::PRIORITY_IMPORTANT;
}
return self::PRIORITY_NORMAL;
}
}