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<?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 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 |
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* modify it under the terms of the GNU General Public License |
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* as published by the Free Software Foundation; either version 2 |
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* of the License, or (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 General Public License for more details. |
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* |
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* You should have received a copy of the GNU General Public License |
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* along with this program; if not, write to the Free Software |
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA |
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*/ |
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namespace App\DataTables\Adapter; |
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use Doctrine\ORM\Query; |
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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\ORMAdapter; |
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use Omines\DataTablesBundle\Column\AbstractColumn; |
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/** |
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* Override default ORM Adapter, to allow fetch joins (allow addSelect with ManyToOne Collections). |
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* This should improves performance for Part Tables. |
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* Based on: https://github.com/omines/datatables-bundle/blob/master/tests/Fixtures/AppBundle/DataTable/Adapter/CustomORMAdapter.php |
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* @package App\DataTables\Adapter |
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*/ |
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class CustomORMAdapter extends ORMAdapter |
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{ |
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protected $hydrationMode; |
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public function configure(array $options) |
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{ |
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parent::configure($options); |
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$this->hydrationMode = isset($options['hydrate']) ? $options['hydrate'] : Query::HYDRATE_OBJECT; |
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} |
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protected function prepareQuery(AdapterQuery $query) |
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{ |
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parent::prepareQuery($query); |
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$query->setIdentifierPropertyPath(null); |
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} |
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/** |
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* @param AdapterQuery $query |
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* @return \Traversable |
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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 list($column, $direction)) { |
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/** @var AbstractColumn $column */ |
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if ($column->isOrderable()) { |
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$builder->addOrderBy($column->getOrderField(), $direction); |
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} |
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} |
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if ($state->getLength() > 0) { |
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$builder |
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->setFirstResult($state->getStart()) |
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->setMaxResults($state->getLength()); |
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} |
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/* |
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* Use foreach instead of iterate to prevent group by from crashing |
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*/ |
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foreach ($builder->getQuery()->getResult($this->hydrationMode) as $result) { |
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/* |
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* Return everything instead of first element |
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*/ |
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yield $result; |
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} |
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} |
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} |
Part-DB /
Part-DB-symfony
