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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\Arrays\ArrayPage; |
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use Zenstruck\Porpaginas\Callback\CallbackPage; |
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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 $count; |
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private $result; |
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/** |
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* @param Query|QueryBuilder $query |
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* @param bool $fetchCollection |
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*/ |
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public function __construct($query, $fetchCollection = true) |
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{ |
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if ($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 = $fetchCollection; |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function take($offset, $limit) |
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{ |
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if ($this->result !== null) { |
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return new ArrayPage( |
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array_slice($this->result, $offset, $limit), |
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$offset, |
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$limit, |
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count($this->result) |
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); |
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} |
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$results = function ($offset, $limit) { |
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return iterator_to_array($this->createPaginator($offset, $limit)); |
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}; |
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return new CallbackPage($results, [$this, 'count'], $offset, $limit); |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function count() |
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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->createPaginator(0, 1)); |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function getIterator() |
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{ |
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if (null === $this->result) { |
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$this->result = $this->query->execute(); |
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$this->count = count($this->result); |
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} |
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return new \ArrayIterator($this->result); |
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} |
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/** |
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* @return Query |
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*/ |
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public function getQuery() |
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{ |
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return $this->query; |
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} |
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/** |
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* @param int $offset |
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* @param int $limit |
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* |
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* @return Paginator |
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*/ |
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private function createPaginator($offset, $limit) |
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{ |
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$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 new Paginator($query, $this->fetchCollection); |
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} |
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} |
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kbond /
porpaginas
