mirror of
https://github.com/Part-DB/Part-DB-server.git
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67 lines
No EOL
2.4 KiB
PHP
67 lines
No EOL
2.4 KiB
PHP
<?php
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/*
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* This file is part of Part-DB (https://github.com/Part-DB/Part-DB-symfony).
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*
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* Copyright (C) 2019 - 2023 Jan Böhmer (https://github.com/jbtronics)
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Affero General Public License as published
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* by the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Affero General Public License for more details.
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*
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* You should have received a copy of the GNU Affero General Public License
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* along with this program. If not, see <https://www.gnu.org/licenses/>.
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*/
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declare(strict_types=1);
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namespace App\DataTables\Adapters;
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use Doctrine\ORM\QueryBuilder;
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use Omines\DataTablesBundle\Adapter\AdapterQuery;
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use Omines\DataTablesBundle\Adapter\Doctrine\Event\ORMAdapterQueryEvent;
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use Omines\DataTablesBundle\Adapter\Doctrine\ORMAdapter;
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use Omines\DataTablesBundle\Adapter\Doctrine\ORMAdapterEvents;
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use Omines\DataTablesBundle\Column\AbstractColumn;
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/**
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* This class is very similar to the original ORMAdapter, but instead of getting each line one by one, it gets all the results at once,
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* which can save some time in combination with fetch hints.
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*/
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class FetchResultsAtOnceORMAdapter extends ORMAdapter
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{
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protected function getResults(AdapterQuery $query): \Traversable
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{
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/** @var QueryBuilder $builder */
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$builder = $query->get('qb');
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$state = $query->getState();
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// Apply definitive view state for current 'page' of the table
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foreach ($state->getOrderBy() as [$column, $direction]) {
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/** @var AbstractColumn $column */
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if ($column->isOrderable()) {
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$builder->addOrderBy($column->getOrderField(), $direction);
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}
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}
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if (null !== $state->getLength()) {
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$builder
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->setFirstResult($state->getStart())
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->setMaxResults($state->getLength())
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;
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}
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$q = $builder->getQuery();
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$event = new ORMAdapterQueryEvent($q);
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$state->getDataTable()->getEventDispatcher()->dispatch($event, ORMAdapterEvents::PRE_QUERY);
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foreach ($q->getResult() as $item) {
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yield $item;
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}
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}
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} |