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| 1 | <?php |
| 2 | |
| 3 | /** |
| 4 | * This program is free software; you can redistribute it and/or |
| 5 | * modify it under the terms of the GNU General Public License |
| 6 | * as published by the Free Software Foundation; under version 2 |
| 7 | * of the License (non-upgradable). |
| 8 | * |
| 9 | * This program is distributed in the hope that it will be useful, |
| 10 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 11 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 12 | * GNU General Public License for more details. |
| 13 | * |
| 14 | * You should have received a copy of the GNU General Public License |
| 15 | * along with this program; if not, write to the Free Software |
| 16 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. |
| 17 | * |
| 18 | * Copyright (c) 2020 (original work) Open Assessment Technologies SA |
| 19 | */ |
| 20 | |
| 21 | declare(strict_types=1); |
| 22 | |
| 23 | namespace oat\generis\model\data\permission; |
| 24 | |
| 25 | use oat\oatbox\service\ConfigurableService; |
| 26 | use oat\oatbox\session\SessionService; |
| 27 | use oat\oatbox\user\User; |
| 28 | |
| 29 | class PermissionHelper extends ConfigurableService |
| 30 | { |
| 31 | /** |
| 32 | * Filters resources by the provided right if it is supported |
| 33 | * @return array identifiers of resources that have permission for the provided right |
| 34 | */ |
| 35 | public function filterByPermission(array $resourceIds, string $right): array |
| 36 | { |
| 37 | $provider = $this->getServiceLocator()->get(PermissionInterface::SERVICE_ID); |
| 38 | if (!in_array($right, $provider->getSupportedRights())) { |
| 39 | return $resourceIds; |
| 40 | } |
| 41 | $permissions = $provider->getPermissions($this->getCurrentUser(), $resourceIds); |
| 42 | |
| 43 | return array_filter($resourceIds, function ($id) use ($right, $permissions) { |
| 44 | return isset($permissions[$id]) && in_array($right, $permissions[$id]); |
| 45 | }); |
| 46 | } |
| 47 | |
| 48 | private function getCurrentUser(): User |
| 49 | { |
| 50 | /** @noinspection PhpIncompatibleReturnTypeInspection */ |
| 51 | return $this->getServiceLocator()->get(SessionService::SERVICE_ID)->getCurrentUser(); |
| 52 | } |
| 53 | } |