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<?php |
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namespace Rb\Specification\Doctrine; |
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use Doctrine\ORM\EntityRepository; |
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use Doctrine\ORM\Query; |
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use Doctrine\ORM\QueryBuilder; |
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use Rb\Specification\Doctrine\Exception\LogicException; |
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use Rb\Specification\Doctrine\Result\ModifierInterface; |
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/** |
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* Class SpecificationRepository. |
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*/ |
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class SpecificationRepository extends EntityRepository |
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{ |
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/** |
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* @var string |
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*/ |
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private $dqlAlias = 'e'; |
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/** |
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* Get the query after matching with given specification. |
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* |
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* @param SpecificationInterface $specification |
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* @param ModifierInterface $modifier |
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* |
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* @throws LogicException |
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* |
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* @return Query |
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*/ |
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public function match(SpecificationInterface $specification, ModifierInterface $modifier = null) |
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{ |
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if (! $specification->isSatisfiedBy($this->getEntityName())) { |
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throw new LogicException(sprintf( |
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'Specification "%s" not supported by this repository!', |
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get_class($specification) |
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)); |
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} |
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$queryBuilder = $this->createQueryBuilder($this->dqlAlias); |
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$this->modifyQueryBuilder($queryBuilder, $specification); |
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return $this->modifyQuery($queryBuilder, $modifier); |
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} |
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/** |
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* Get the query for a "SELECT COUNT(e) FROM entityName" after matching with given specification. |
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* |
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* @param SpecificationInterface $specification |
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* @param ModifierInterface $modifier |
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* |
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* @throws LogicException |
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* |
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* @return Query |
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*/ |
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public function countMatching(SpecificationInterface $specification, ModifierInterface $modifier = null) |
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{ |
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if (! $specification->isSatisfiedBy($this->getEntityName())) { |
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throw new LogicException(sprintf( |
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'Specification "%s" not supported by this repository!', |
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get_class($specification) |
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)); |
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} |
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$queryBuilder = $this->getEntityManager()->createQueryBuilder()->select( |
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$this->getEntityManager()->getExpressionBuilder()->count($this->dqlAlias) |
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) |
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->from($this->_entityName, $this->dqlAlias); |
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$this->modifyQueryBuilder($queryBuilder, $specification); |
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return $this->modifyQuery($queryBuilder, $modifier); |
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} |
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/** |
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* Modifies the QueryBuilder according to the passed Specification. |
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* Will also set the condition for this query if needed. |
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* |
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* @param QueryBuilder $queryBuilder |
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* @param SpecificationInterface $specification |
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* |
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* @internal param string $dqlAlias |
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*/ |
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private function modifyQueryBuilder(QueryBuilder $queryBuilder, SpecificationInterface $specification) |
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{ |
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$condition = $specification->modify($queryBuilder, $this->dqlAlias); |
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if (empty($condition)) { |
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return; |
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} |
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$queryBuilder->where($condition); |
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} |
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/** |
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* Modifies and returns a Query object according to the (optional) result modifier. |
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* |
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* @param QueryBuilder $queryBuilder |
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* @param ModifierInterface|null $modifier |
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* |
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* @return Query |
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*/ |
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private function modifyQuery(QueryBuilder $queryBuilder, ModifierInterface $modifier = null) |
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{ |
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$query = $queryBuilder->getQuery(); |
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if ($modifier) { |
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$modifier->modify($query); |
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} |
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return $query; |
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} |
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} |
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rikbruil /
Doctrine-Specification
