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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\tao\model\resources\relation\service; |
| 24 | |
| 25 | use oat\oatbox\service\ConfigurableService; |
| 26 | use oat\tao\model\resources\relation\FindAllQuery; |
| 27 | use oat\tao\model\resources\relation\ResourceRelationCollection; |
| 28 | |
| 29 | class ResourceRelationServiceProxy extends ConfigurableService implements ResourceRelationServiceInterface |
| 30 | { |
| 31 | public const SERVICE_ID = 'tao/ResourceRelationServiceProxy'; |
| 32 | public const OPTION_SERVICES = 'services'; |
| 33 | |
| 34 | public function addService(string $type, string $serviceId): void |
| 35 | { |
| 36 | $services = $this->getServices($type); |
| 37 | |
| 38 | if (!in_array($serviceId, $services[$type], true)) { |
| 39 | $services[$type][] = $serviceId; |
| 40 | } |
| 41 | |
| 42 | $this->setOption(self::OPTION_SERVICES, $services); |
| 43 | } |
| 44 | |
| 45 | public function removeService(string $type, string $serviceId): void |
| 46 | { |
| 47 | $services = $this->getServices($type); |
| 48 | |
| 49 | $key = array_search($serviceId, $services[$type]); |
| 50 | |
| 51 | if ($key !== false) { |
| 52 | unset($services[$type][$key]); |
| 53 | } |
| 54 | |
| 55 | $this->setOption(self::OPTION_SERVICES, $services); |
| 56 | } |
| 57 | |
| 58 | public function findRelations(FindAllQuery $query): ResourceRelationCollection |
| 59 | { |
| 60 | $relations = []; |
| 61 | |
| 62 | foreach ($this->getOption(self::OPTION_SERVICES, []) as $type => $services) { |
| 63 | if ($query->getType() !== $type) { |
| 64 | continue; |
| 65 | } |
| 66 | |
| 67 | foreach ($services as $serviceId) { |
| 68 | $relations = array_merge( |
| 69 | $relations, |
| 70 | $this->getResourceRelationService($serviceId) |
| 71 | ->findRelations($query) |
| 72 | ->getIterator() |
| 73 | ->getArrayCopy() |
| 74 | ); |
| 75 | } |
| 76 | } |
| 77 | |
| 78 | return new ResourceRelationCollection(...$relations); |
| 79 | } |
| 80 | |
| 81 | private function getResourceRelationService(string $serviceId): ResourceRelationServiceInterface |
| 82 | { |
| 83 | return $this->getServiceLocator()->get($serviceId); |
| 84 | } |
| 85 | |
| 86 | private function getServices(string $type): array |
| 87 | { |
| 88 | $services = (array)$this->getOption(self::OPTION_SERVICES, []); |
| 89 | |
| 90 | if (!isset($services[$type])) { |
| 91 | $services[$type] = []; |
| 92 | } |
| 93 | |
| 94 | return $services; |
| 95 | } |
| 96 | } |