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application/Espo/Core/Acl/DefaultAssignmentChecker.php

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+<?php
+/************************************************************************
+ * This file is part of EspoCRM.
+ *
+ * EspoCRM – Open Source CRM application.
+ * Copyright (C) 2014-2025 EspoCRM, Inc.
+ * Website: https://www.espocrm.com
+ *
+ * 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 <https://www.gnu.org/licenses/>.
+ *
+ * The interactive user interfaces in modified source and object code versions
+ * of this program must display Appropriate Legal Notices, as required under
+ * Section 5 of the GNU Affero General Public License version 3.
+ *
+ * In accordance with Section 7(b) of the GNU Affero General Public License version 3,
+ * these Appropriate Legal Notices must retain the display of the "EspoCRM" word.
+ ************************************************************************/
+
+namespace Espo\Core\Acl;
+
+use Espo\Core\Acl\AssignmentChecker\Helper;
+use Espo\Core\Name\Field;
+use Espo\Core\ORM\Entity as CoreEntity;
+use Espo\ORM\Entity;
+use Espo\Entities\User;
+
+/**
+ * @implements AssignmentChecker<CoreEntity>
+ */
+class DefaultAssignmentChecker implements AssignmentChecker
+{
+    protected const FIELD_ASSIGNED_USERS = Field::ASSIGNED_USERS;
+    private const FIELD_COLLABORATORS = Field::COLLABORATORS;
+
+    public function __construct(
+        private Helper $helper,
+    ) {}
+
+    public function check(User $user, Entity $entity): bool
+    {
+        if (!$this->isPermittedAssignedUser($user, $entity)) {
+            return false;
+        }
+
+        if (!$this->isPermittedTeams($user, $entity)) {
+            return false;
+        }
+
+        if ($this->helper->hasAssignedUsersField($entity->getEntityType())) {
+            if (!$this->isPermittedAssignedUsers($user, $entity)) {
+                return false;
+            }
+        }
+
+        if ($this->helper->hasCollaboratorsField($entity->getEntityType())) {
+            if (!$this->helper->checkUsers($user, $entity, self::FIELD_COLLABORATORS)) {
+                return false;
+            }
+        }
+
+        return true;
+    }
+
+    protected function isPermittedAssignedUser(User $user, Entity $entity): bool
+    {
+        return $this->helper->checkAssignedUser($user, $entity);
+    }
+
+    protected function isPermittedTeams(User $user, Entity $entity): bool
+    {
+        return $this->helper->checkTeams($user, $entity);
+    }
+
+    /**
+     * Left for backward compatibility.
+     */
+    protected function isPermittedAssignedUsers(User $user, Entity $entity): bool
+    {
+        return $this->helper->checkUsers($user, $entity, self::FIELD_ASSIGNED_USERS);
+    }
+}