. */ declare(strict_types=1); /** * This file is part of Part-DB (https://github.com/Part-DB/Part-DB-symfony). * * Copyright (C) 2019 - 2022 Jan Böhmer (https://github.com/jbtronics) * * 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 . */ namespace App\Repository; use App\Entity\Base\AbstractDBElement; use Doctrine\ORM\EntityRepository; use ReflectionClass; /** * @template TEntityClass of AbstractDBElement * @extends EntityRepository */ class DBElementRepository extends EntityRepository { private array $find_elements_by_id_cache = []; /** * Changes the ID of the given element to a new value. * You should only use it to undelete former existing elements, everything else is most likely a bad idea! * * @param AbstractDBElement $element The element whose ID should be changed * @phpstan-param TEntityClass $element * @param int $new_id The new ID */ public function changeID(AbstractDBElement $element, int $new_id): void { $qb = $this->createQueryBuilder('element'); $q = $qb->update($element::class, 'element') ->set('element.id', $new_id) ->where('element.id = ?1') ->setParameter(1, $element->getID()) ->getQuery(); //Do the renaming $q->execute(); $this->setField($element, 'id', $new_id); } /** * Find all elements that match a list of IDs. * * @return AbstractDBElement[] * @phpstan-return list */ public function getElementsFromIDArray(array $ids): array { $qb = $this->createQueryBuilder('element'); $q = $qb->select('element') ->where('element.id IN (?1)') ->setParameter(1, $ids) ->getQuery(); return $q->getResult(); } /** * Returns the elements with the given IDs in the same order, as they were given in the input array. * * @param array $ids * @return array */ public function findByIDInMatchingOrder(array $ids): array { $cache_key = implode(',', $ids); //Check if the result is already cached if (isset($this->find_elements_by_id_cache[$cache_key])) { return $this->find_elements_by_id_cache[$cache_key]; } //Otherwise do the query $qb = $this->createQueryBuilder('element'); $q = $qb->select('element') ->where('element.id IN (?1)') ->setParameter(1, $ids) ->getQuery(); $result = $q->getResult(); //Sort the result so that the elements are in the same order as the input array $this->sortResultArrayByIDArray($result, $ids); //Cache the result $this->find_elements_by_id_cache[$cache_key] = $result; return $result; } /** * The elements in the result array will be sorted, so that their order of their IDs matches the order of the IDs in the input array. * @param array $result_array * @phpstan-param list $result_array * @param int[] $ids * @return void */ protected function sortResultArrayByIDArray(array &$result_array, array $ids): void { usort($result_array, static function (AbstractDBElement $a, AbstractDBElement $b) use ($ids) { return array_search($a->getID(), $ids, true) <=> array_search($b->getID(), $ids, true); }); } protected function setField(AbstractDBElement $element, string $field, int $new_value): void { $reflection = new ReflectionClass($element::class); $property = $reflection->getProperty($field); $property->setAccessible(true); $property->setValue($element, $new_value); } }