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<?php |
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namespace Zenstruck\Porpaginas\Doctrine; |
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use Doctrine\ORM\Query; |
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use Doctrine\ORM\QueryBuilder; |
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use Doctrine\ORM\Tools\Pagination\Paginator; |
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use Zenstruck\Porpaginas\Callback\CallbackPage; |
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use Zenstruck\Porpaginas\Page; |
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use Zenstruck\Porpaginas\Result; |
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final class ORMQueryResult implements Result |
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{ |
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private $query; |
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private $fetchCollection; |
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private $useOutputWalkers; |
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private $count; |
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/** |
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* @param Query|QueryBuilder $query |
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* @param bool|null $useOutputWalkers Set to false if query contains only columns |
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*/ |
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public function __construct($query, bool $fetchCollection = true, $useOutputWalkers = null) |
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{ |
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if ($query instanceof QueryBuilder) { |
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$query = $query->getQuery(); |
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} |
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$this->query = $query; |
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$this->fetchCollection = $fetchCollection; |
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$this->useOutputWalkers = $useOutputWalkers; |
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} |
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public function take(int $offset, int $limit): Page |
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{ |
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return new CallbackPage( |
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function ($offset, $limit) { |
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return \iterator_to_array($this->createPaginator($offset, $limit)); |
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}, |
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[$this, 'count'], |
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$offset, |
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$limit |
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); |
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} |
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public function count(): int |
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{ |
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if (null !== $this->count) { |
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return $this->count; |
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} |
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return $this->count = \count($this->paginatorFor($this->query)); |
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} |
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public function getIterator(): \Traversable |
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{ |
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$logger = $this->query->getEntityManager()->getConfiguration()->getSQLLogger(); |
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$this->query->getEntityManager()->getConfiguration()->setSQLLogger(null); |
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foreach ($this->query->iterate() as $key => $value) { |
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yield $key => IterableQueryResultNormalizer::normalize($value); |
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$this->query->getEntityManager()->clear(); |
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} |
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$this->query->getEntityManager()->getConfiguration()->setSQLLogger($logger); |
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} |
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public function batchIterator(int $batchSize = 100): ORMCountableBatchProcessor |
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{ |
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return new ORMCountableBatchProcessor( |
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new class($this->query, $this) implements \IteratorAggregate, \Countable { |
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private $query; |
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private $result; |
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public function __construct(Query $query, ORMQueryResult $result) |
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{ |
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$this->query = $query; |
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$this->result = $result; |
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} |
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public function getIterator(): \Traversable |
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{ |
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return $this->query->iterate(); |
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} |
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public function count(): int |
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{ |
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return $this->result->count(); |
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} |
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}, |
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$this->query->getEntityManager(), |
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$batchSize |
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); |
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} |
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private function createPaginator(int $offset, int $limit): Paginator |
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{ |
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$query = clone $this->query; |
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$query->setParameters($this->query->getParameters()); |
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foreach ($this->query->getHints() as $name => $value) { |
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$query->setHint($name, $value); |
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} |
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$query->setFirstResult($offset)->setMaxResults($limit); |
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return $this->paginatorFor($query); |
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} |
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private function paginatorFor(Query $query): Paginator |
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{ |
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return (new Paginator($query, $this->fetchCollection))->setUseOutputWalkers($this->useOutputWalkers); |
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} |
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} |
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kbond /
porpaginas
