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<?php declare(strict_types=1); |
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/* |
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* This file is part of Biurad opensource projects. |
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* |
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* @copyright 2019 Biurad Group (https://biurad.com/) |
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* @license https://opensource.org/licenses/BSD-3-Clause License |
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* |
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* For the full copyright and license information, please view the LICENSE |
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* file that was distributed with this source code. |
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*/ |
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namespace Flange\Database\Doctrine\Form\ChoiceList; |
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use Doctrine\DBAL\Connection; |
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use Doctrine\DBAL\Types\ConversionException; |
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use Doctrine\DBAL\Types\Type; |
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use Doctrine\ORM\QueryBuilder; |
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use Symfony\Component\Form\Exception\TransformationFailedException; |
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/** |
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* Loads entities using a {@link QueryBuilder} instance. |
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* |
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* @author Benjamin Eberlei <[email protected]> |
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* @author Bernhard Schussek <[email protected]> |
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*/ |
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class ORMQueryBuilderLoader implements EntityLoaderInterface |
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{ |
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/** |
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* Contains the query builder that builds the query for fetching the |
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* entities. |
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* |
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* This property should only be accessed through queryBuilder. |
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*/ |
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private $queryBuilder; |
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public function __construct(QueryBuilder $queryBuilder) |
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{ |
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$this->queryBuilder = $queryBuilder; |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function getEntities(): array |
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{ |
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return $this->queryBuilder->getQuery()->execute(); |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function getEntitiesByIds(string $identifier, array $values): array |
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{ |
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if (null !== $this->queryBuilder->getMaxResults() || 0 < (int) $this->queryBuilder->getFirstResult()) { |
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// an offset or a limit would apply on results including the where clause with submitted id values |
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// that could make invalid choices valid |
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$choices = []; |
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$metadata = $this->queryBuilder->getEntityManager()->getClassMetadata(\current($this->queryBuilder->getRootEntities())); |
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foreach ($this->getEntities() as $entity) { |
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if (\in_array((string) \current($metadata->getIdentifierValues($entity)), $values, true)) { |
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$choices[] = $entity; |
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} |
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} |
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return $choices; |
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} |
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$qb = clone $this->queryBuilder; |
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$alias = \current($qb->getRootAliases()); |
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$parameter = 'ORMQueryBuilderLoader_getEntitiesByIds_'.$identifier; |
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$parameter = \str_replace('.', '_', $parameter); |
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$where = $qb->expr()->in($alias.'.'.$identifier, ':'.$parameter); |
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// Guess type |
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$entity = \current($qb->getRootEntities()); |
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$metadata = $qb->getEntityManager()->getClassMetadata($entity); |
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if (\in_array($type = $metadata->getTypeOfField($identifier), ['integer', 'bigint', 'smallint'], true)) { |
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$parameterType = Connection::PARAM_INT_ARRAY; |
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// Filter out non-integer values (e.g. ""). If we don't, some |
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// databases such as PostgreSQL fail. |
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$values = \array_values(\array_filter($values, fn ($v) => (string) $v === (string) (int) $v || \ctype_digit($v))); |
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} elseif (\in_array($type, ['ulid', 'uuid', 'guid'], true)) { |
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$parameterType = Connection::PARAM_STR_ARRAY; |
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// Like above, but we just filter out empty strings. |
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$values = \array_values(\array_filter($values, fn ($v) => '' !== (string) $v)); |
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// Convert values into right type |
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if (Type::hasType($type)) { |
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$doctrineType = Type::getType($type); |
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$platform = $qb->getEntityManager()->getConnection()->getDatabasePlatform(); |
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foreach ($values as &$value) { |
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try { |
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$value = $doctrineType->convertToDatabaseValue($value, $platform); |
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} catch (ConversionException $e) { |
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throw new TransformationFailedException(\sprintf('Failed to transform "%s" into "%s".', $value, $type), 0, $e); |
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} |
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} |
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unset($value); |
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} |
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} else { |
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$parameterType = Connection::PARAM_STR_ARRAY; |
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} |
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if (!$values) { |
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return []; |
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} |
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return $qb->andWhere($where) |
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->getQuery() |
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->setParameter($parameter, $values, $parameterType) |
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->getResult(); |
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} |
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} |
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biurad /
flange
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