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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) 2021 (original work) Open Assessment Technologies SA; |
| 19 | */ |
| 20 | |
| 21 | declare(strict_types=1); |
| 22 | |
| 23 | namespace oat\tao\model\resources\Service; |
| 24 | |
| 25 | use oat\tao\model\menu\Tree; |
| 26 | use core_kernel_classes_Class; |
| 27 | use oat\tao\model\menu\Section; |
| 28 | use oat\tao\model\menu\MenuService; |
| 29 | use oat\tao\model\menu\Perspective; |
| 30 | use oat\generis\model\data\Ontology; |
| 31 | use oat\tao\model\resources\Contract\RootClassesListServiceInterface; |
| 32 | |
| 33 | class RootClassesListService implements RootClassesListServiceInterface |
| 34 | { |
| 35 | /** @var Ontology */ |
| 36 | private $ontology; |
| 37 | |
| 38 | /** @var Perspective[] */ |
| 39 | private $perspectives; |
| 40 | |
| 41 | /** @var array<string, string[]|core_kernel_classes_Class[]> */ |
| 42 | private $cache = []; |
| 43 | |
| 44 | /** |
| 45 | * @param Perspective[]|null $perspectives |
| 46 | */ |
| 47 | public function __construct(Ontology $ontology, array $perspectives = null) |
| 48 | { |
| 49 | $this->ontology = $ontology; |
| 50 | $this->perspectives = $perspectives ?? MenuService::getAllPerspectives(); |
| 51 | } |
| 52 | |
| 53 | /** |
| 54 | * {@inheritdoc} |
| 55 | */ |
| 56 | public function list(): array |
| 57 | { |
| 58 | if (!isset($this->cache[__FUNCTION__])) { |
| 59 | $rootClasses = []; |
| 60 | |
| 61 | foreach ($this->listUris() as $rootClassUri) { |
| 62 | $rootClasses[] = $this->ontology->getClass($rootClassUri); |
| 63 | } |
| 64 | |
| 65 | $this->cache[__FUNCTION__] = $rootClasses; |
| 66 | } |
| 67 | |
| 68 | return $this->cache[__FUNCTION__]; |
| 69 | } |
| 70 | |
| 71 | /** |
| 72 | * {@inheritdoc} |
| 73 | */ |
| 74 | public function listUris(): array |
| 75 | { |
| 76 | if (!isset($this->cache[__FUNCTION__])) { |
| 77 | $rootClassesUris = []; |
| 78 | |
| 79 | foreach ($this->perspectives as $perspective) { |
| 80 | /** @var Section $structure */ |
| 81 | foreach ($perspective->getChildren() as $structure) { |
| 82 | /** @var Tree $tree */ |
| 83 | foreach ($structure->getTrees() as $tree) { |
| 84 | $rootClassUri = $tree->get('rootNode'); |
| 85 | |
| 86 | if (!empty($rootClassUri)) { |
| 87 | $rootClassesUris[] = $rootClassUri; |
| 88 | } |
| 89 | } |
| 90 | } |
| 91 | } |
| 92 | |
| 93 | $this->cache[__FUNCTION__] = $rootClassesUris; |
| 94 | } |
| 95 | |
| 96 | return $this->cache[__FUNCTION__]; |
| 97 | } |
| 98 | } |