230 lines
6.6 KiB
PHP
230 lines
6.6 KiB
PHP
<?php
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/**
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* @copyright Copyright (c) 2016, ownCloud, Inc.
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*
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* @author Joas Schilling <coding@schilljs.com>
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* @author Vincent Petry <pvince81@owncloud.com>
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*
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* @license AGPL-3.0
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*
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* This code is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Affero General Public License, version 3,
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* as published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Affero General Public License for more details.
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*
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* You should have received a copy of the GNU Affero General Public License, version 3,
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* along with this program. If not, see <http://www.gnu.org/licenses/>
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*
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*/
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namespace OCA\SystemTags\Activity;
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use OCP\Activity\IManager;
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use OCP\App\IAppManager;
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use OCP\Files\Config\IMountProviderCollection;
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use OCP\Files\IRootFolder;
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use OCP\Files\Node;
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use OCP\IGroup;
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use OCP\IGroupManager;
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use OCP\IUser;
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use OCP\IUserSession;
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use OCP\Share;
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use OCP\SystemTag\ISystemTag;
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use OCP\SystemTag\ISystemTagManager;
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use OCP\SystemTag\ManagerEvent;
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use OCP\SystemTag\MapperEvent;
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use OCP\SystemTag\TagNotFoundException;
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class Listener {
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/** @var IGroupManager */
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protected $groupManager;
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/** @var IManager */
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protected $activityManager;
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/** @var IUserSession */
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protected $session;
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/** @var \OCP\SystemTag\ISystemTagManager */
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protected $tagManager;
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/** @var \OCP\App\IAppManager */
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protected $appManager;
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/** @var \OCP\Files\Config\IMountProviderCollection */
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protected $mountCollection;
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/** @var \OCP\Files\IRootFolder */
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protected $rootFolder;
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/**
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* Listener constructor.
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*
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* @param IGroupManager $groupManager
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* @param IManager $activityManager
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* @param IUserSession $session
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* @param ISystemTagManager $tagManager
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* @param IAppManager $appManager
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* @param IMountProviderCollection $mountCollection
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* @param IRootFolder $rootFolder
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*/
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public function __construct(IGroupManager $groupManager,
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IManager $activityManager,
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IUserSession $session,
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ISystemTagManager $tagManager,
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IAppManager $appManager,
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IMountProviderCollection $mountCollection,
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IRootFolder $rootFolder) {
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$this->groupManager = $groupManager;
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$this->activityManager = $activityManager;
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$this->session = $session;
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$this->tagManager = $tagManager;
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$this->appManager = $appManager;
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$this->mountCollection = $mountCollection;
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$this->rootFolder = $rootFolder;
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}
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/**
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* @param ManagerEvent $event
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*/
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public function event(ManagerEvent $event) {
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$actor = $this->session->getUser();
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if ($actor instanceof IUser) {
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$actor = $actor->getUID();
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} else {
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$actor = '';
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}
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$activity = $this->activityManager->generateEvent();
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$activity->setApp(Extension::APP_NAME)
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->setType(Extension::APP_NAME)
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->setAuthor($actor);
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if ($event->getEvent() === ManagerEvent::EVENT_CREATE) {
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$activity->setSubject(Extension::CREATE_TAG, [
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$actor,
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$this->prepareTagAsParameter($event->getTag()),
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]);
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} else if ($event->getEvent() === ManagerEvent::EVENT_UPDATE) {
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$activity->setSubject(Extension::UPDATE_TAG, [
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$actor,
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$this->prepareTagAsParameter($event->getTag()),
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$this->prepareTagAsParameter($event->getTagBefore()),
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]);
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} else if ($event->getEvent() === ManagerEvent::EVENT_DELETE) {
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$activity->setSubject(Extension::DELETE_TAG, [
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$actor,
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$this->prepareTagAsParameter($event->getTag()),
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]);
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} else {
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return;
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}
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$group = $this->groupManager->get('admin');
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if ($group instanceof IGroup) {
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foreach ($group->getUsers() as $user) {
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$activity->setAffectedUser($user->getUID());
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$this->activityManager->publish($activity);
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}
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}
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}
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/**
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* @param MapperEvent $event
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*/
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public function mapperEvent(MapperEvent $event) {
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$tagIds = $event->getTags();
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if ($event->getObjectType() !== 'files' ||empty($tagIds)
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|| !in_array($event->getEvent(), [MapperEvent::EVENT_ASSIGN, MapperEvent::EVENT_UNASSIGN])
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|| !$this->appManager->isInstalled('activity')) {
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// System tags not for files, no tags, not (un-)assigning or no activity-app enabled (save the energy)
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return;
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}
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try {
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$tags = $this->tagManager->getTagsByIds($tagIds);
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} catch (TagNotFoundException $e) {
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// User assigned/unassigned a non-existing tag, ignore...
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return;
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}
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if (empty($tags)) {
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return;
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}
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// Get all mount point owners
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$cache = $this->mountCollection->getMountCache();
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$mounts = $cache->getMountsForFileId($event->getObjectId());
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if (empty($mounts)) {
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return;
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}
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$users = [];
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foreach ($mounts as $mount) {
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$owner = $mount->getUser()->getUID();
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$ownerFolder = $this->rootFolder->getUserFolder($owner);
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$nodes = $ownerFolder->getById($event->getObjectId());
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if (!empty($nodes)) {
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/** @var Node $node */
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$node = array_shift($nodes);
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$path = $node->getPath();
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if (strpos($path, '/' . $owner . '/files/') === 0) {
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$path = substr($path, strlen('/' . $owner . '/files'));
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}
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// Get all users that have access to the mount point
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$users = array_merge($users, Share::getUsersSharingFile($path, $owner, true, true));
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}
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}
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$actor = $this->session->getUser();
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if ($actor instanceof IUser) {
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$actor = $actor->getUID();
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} else {
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$actor = '';
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}
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$activity = $this->activityManager->generateEvent();
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$activity->setApp(Extension::APP_NAME)
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->setType(Extension::APP_NAME)
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->setAuthor($actor)
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->setObject($event->getObjectType(), $event->getObjectId());
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foreach ($users as $user => $path) {
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$activity->setAffectedUser($user);
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foreach ($tags as $tag) {
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// don't publish activity for non-admins if tag is invisible
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if (!$tag->isUserVisible() && !$this->groupManager->isAdmin($user)) {
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continue;
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}
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if ($event->getEvent() === MapperEvent::EVENT_ASSIGN) {
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$activity->setSubject(Extension::ASSIGN_TAG, [
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$actor,
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$path,
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$this->prepareTagAsParameter($tag),
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]);
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} else if ($event->getEvent() === MapperEvent::EVENT_UNASSIGN) {
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$activity->setSubject(Extension::UNASSIGN_TAG, [
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$actor,
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$path,
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$this->prepareTagAsParameter($tag),
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]);
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}
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$this->activityManager->publish($activity);
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}
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}
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}
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/**
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* @param ISystemTag $tag
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* @return string
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*/
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protected function prepareTagAsParameter(ISystemTag $tag) {
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if (!$tag->isUserVisible()) {
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return '{{{' . $tag->getName() . '|||invisible}}}';
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} else if (!$tag->isUserAssignable()) {
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return '{{{' . $tag->getName() . '|||not-assignable}}}';
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} else {
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return '{{{' . $tag->getName() . '|||assignable}}}';
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}
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}
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}
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