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application/Espo/Core/Acl/AssignmentChecker/Helper.php
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application/Espo/Core/Acl/AssignmentChecker/Helper.php
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<?php
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/************************************************************************
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* This file is part of EspoCRM.
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*
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* EspoCRM – Open Source CRM application.
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* Copyright (C) 2014-2025 EspoCRM, Inc.
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* Website: https://www.espocrm.com
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*
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* This program 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 as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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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
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* along with this program. If not, see <https://www.gnu.org/licenses/>.
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*
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* The interactive user interfaces in modified source and object code versions
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* of this program must display Appropriate Legal Notices, as required under
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* Section 5 of the GNU Affero General Public License version 3.
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*
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* In accordance with Section 7(b) of the GNU Affero General Public License version 3,
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* these Appropriate Legal Notices must retain the display of the "EspoCRM" word.
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************************************************************************/
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namespace Espo\Core\Acl\AssignmentChecker;
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use Espo\Core\Acl\Permission;
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use Espo\Core\Acl\Table;
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use Espo\Core\AclManager;
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use Espo\Core\Name\Field;
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use Espo\Core\ORM\Entity as CoreEntity;
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use Espo\Core\ORM\Type\FieldType;
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use Espo\Core\Utils\Metadata;
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use Espo\Entities\User;
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use Espo\ORM\Defs;
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use Espo\ORM\Entity;
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use Espo\ORM\EntityManager;
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use Espo\ORM\Name\Attribute;
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use Espo\Repositories\User as UserRepository;
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class Helper
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{
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private const ATTR_ASSIGNED_USER_ID = Field::ASSIGNED_USER . 'Id';
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private const FIELD_TEAMS = Field::TEAMS;
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private const FIELD_ASSIGNED_USERS = Field::ASSIGNED_USERS;
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private const FIELD_COLLABORATORS = Field::COLLABORATORS;
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public function __construct(
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private EntityManager $entityManager,
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private AclManager $aclManager,
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private Defs $ormDefs,
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private Metadata $metadata,
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) {}
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public function checkAssignedUser(User $user, Entity $entity): bool
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{
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if (!$entity->hasAttribute(self::ATTR_ASSIGNED_USER_ID)) {
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return true;
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}
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if ($user->isPortal()) {
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return !$entity->isAttributeChanged(self::ATTR_ASSIGNED_USER_ID);
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}
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$assignmentPermission = $this->aclManager->getPermissionLevel($user, Permission::ASSIGNMENT);
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if ($assignmentPermission === Table::LEVEL_ALL) {
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return true;
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}
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$toProcess = false;
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if (!$entity->isNew()) {
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if ($entity->isAttributeChanged(self::ATTR_ASSIGNED_USER_ID)) {
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$toProcess = true;
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}
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} else {
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$toProcess = true;
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}
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if (!$toProcess) {
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return true;
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}
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$assignedUserId = $entity->get(self::ATTR_ASSIGNED_USER_ID);
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if (!$assignedUserId) {
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if ($assignmentPermission === Table::LEVEL_NO && !$user->isApi()) {
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return false;
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}
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return true;
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}
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if ($assignmentPermission === Table::LEVEL_NO) {
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return $user->getId() === $assignedUserId;
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}
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if ($assignmentPermission === Table::LEVEL_TEAM) {
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$teamIdList = $user->getTeamIdList();
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return $this->getUserRepository()->checkBelongsToAnyOfTeams($assignedUserId, $teamIdList);
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}
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return false;
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}
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public function checkTeams(User $user, Entity $entity): bool
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{
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$assignmentPermission = $this->aclManager->getPermissionLevel($user, Permission::ASSIGNMENT);
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if (!in_array($assignmentPermission, [Table::LEVEL_TEAM, Table::LEVEL_NO])) {
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return true;
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}
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if (!$entity instanceof CoreEntity) {
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return true;
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}
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if (!$entity->hasLinkMultipleField(self::FIELD_TEAMS)) {
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return true;
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}
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$teamIdList = $entity->getLinkMultipleIdList(self::FIELD_TEAMS);
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if ($teamIdList === []) {
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return $this->isPermittedTeamsEmpty($user, $entity);
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}
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$newIdList = [];
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if (!$entity->isNew()) {
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$existingIdList = [];
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$teamCollection = $this->entityManager
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->getRelation($entity, self::FIELD_TEAMS)
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->select(Attribute::ID)
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->find();
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foreach ($teamCollection as $team) {
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$existingIdList[] = $team->getId();
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}
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foreach ($teamIdList as $id) {
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if (!in_array($id, $existingIdList)) {
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$newIdList[] = $id;
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}
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}
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} else {
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$newIdList = $teamIdList;
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}
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if ($newIdList === []) {
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return true;
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}
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$userTeamIdList = $user->getLinkMultipleIdList(self::FIELD_TEAMS);
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foreach ($newIdList as $id) {
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if (!in_array($id, $userTeamIdList)) {
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return false;
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}
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}
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return true;
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}
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public function checkUsers(User $user, Entity $entity, string $field): bool
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{
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if (!$entity instanceof CoreEntity) {
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return true;
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}
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$idsAttr = $field . 'Ids';
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if (!$entity->hasLinkMultipleField($field)) {
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return true;
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}
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if ($user->isPortal()) {
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if (!$entity->isAttributeChanged($idsAttr)) {
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return true;
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}
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return false;
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}
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$assignmentPermission = $this->aclManager->getPermissionLevel($user, Permission::ASSIGNMENT);
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if ($assignmentPermission === Table::LEVEL_ALL) {
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if (!$this->hasOnlyInternalUsers($user, $entity, $field)) {
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return false;
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}
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return true;
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}
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$toProcess = $entity->isNew() || $entity->isAttributeChanged($idsAttr);
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if (!$toProcess) {
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return true;
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}
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$userIds = $entity->getLinkMultipleIdList($field);
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if ($userIds === []) {
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if ($assignmentPermission === Table::LEVEL_NO && !$user->isApi()) {
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return false;
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}
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return true;
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}
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if ($assignmentPermission === Table::LEVEL_NO) {
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return $this->isPermittedUsersLevelNo($user, $entity, $field);
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}
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if ($assignmentPermission === Table::LEVEL_TEAM) {
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return $this->isPermittedUsersLevelTeam($user, $entity, $field);
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}
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return false;
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}
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private function isPermittedUsersLevelNo(User $user, CoreEntity $entity, string $field): bool
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{
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$userIds = $this->getAddedLinkMultipleIds($entity, $field);
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foreach ($userIds as $userId) {
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if ($user->getId() !== $userId) {
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return false;
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}
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}
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return true;
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}
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private function isPermittedUsersLevelTeam(User $user, CoreEntity $entity, string $field): bool
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{
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$teamIds = $user->getLinkMultipleIdList(self::FIELD_TEAMS);
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$userIds = $this->getAddedLinkMultipleIds($entity, $field);
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foreach ($userIds as $userId) {
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if (!$this->getUserRepository()->checkBelongsToAnyOfTeams($userId, $teamIds)) {
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return false;
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}
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}
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return true;
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}
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private function hasOnlyInternalUsers(User $user, CoreEntity $entity, string $field): bool
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{
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$ids = array_diff($this->getAddedLinkMultipleIds($entity, $field), [$user->getId()]);
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$ids = array_values($ids);
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$count = $this->entityManager
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->getRDBRepositoryByClass(User::class)
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->where([
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'type!=' => [
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User::TYPE_REGULAR,
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User::TYPE_ADMIN,
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],
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Attribute::ID => $ids,
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])
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->count();
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return $count === 0;
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}
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/**
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* @return string[]
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*/
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private function getAddedLinkMultipleIds(CoreEntity $entity, string $field): array
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{
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/** @var string[] $previousIds */
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$previousIds = $entity->getFetched(self::FIELD_COLLABORATORS . 'Ids') ?? [];
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return array_values(array_diff($entity->getLinkMultipleIdList($field), $previousIds));
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}
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private function isPermittedTeamsEmpty(User $user, CoreEntity $entity): bool
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{
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$assignmentPermission = $this->aclManager->getPermissionLevel($user, Permission::ASSIGNMENT);
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if ($assignmentPermission !== Table::LEVEL_TEAM) {
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return true;
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}
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if ($entity->hasLinkMultipleField(self::FIELD_ASSIGNED_USERS)) {
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$assignedUserIdList = $entity->getLinkMultipleIdList(self::FIELD_ASSIGNED_USERS);
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if ($assignedUserIdList === []) {
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return false;
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}
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} else if ($entity->hasAttribute(self::ATTR_ASSIGNED_USER_ID)) {
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if (!$entity->get(self::ATTR_ASSIGNED_USER_ID)) {
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return false;
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}
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}
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return true;
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}
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public function hasAssignedUsersField(string $entityType): bool
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{
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$entityDefs = $this->ormDefs->getEntity($entityType);
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return
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$entityDefs->hasField(self::FIELD_ASSIGNED_USERS) &&
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$entityDefs->getField(self::FIELD_ASSIGNED_USERS)->getType() === FieldType::LINK_MULTIPLE &&
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$entityDefs->hasRelation(self::FIELD_ASSIGNED_USERS) &&
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$entityDefs->getRelation(self::FIELD_ASSIGNED_USERS)->getForeignEntityType() === User::ENTITY_TYPE;
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}
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public function hasCollaboratorsField(string $entityType): bool
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{
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if (!$this->metadata->get("scopes.$entityType.collaborators")) {
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return false;
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}
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$entityDefs = $this->ormDefs->getEntity($entityType);
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return
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$entityDefs->tryGetField(self::FIELD_COLLABORATORS)?->getType() === FieldType::LINK_MULTIPLE &&
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$entityDefs->tryGetRelation(self::FIELD_COLLABORATORS)?->tryGetForeignEntityType() === User::ENTITY_TYPE;
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}
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private function getUserRepository(): UserRepository
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{
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/** @var UserRepository */
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return $this->entityManager->getRepository(User::ENTITY_TYPE);
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}
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}
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