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<?php |
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namespace KGzocha\Searcher\QueryCriteriaBuilder\Doctrine; |
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use Doctrine\ORM\Query\Expr\Join; |
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use Doctrine\ORM\QueryBuilder; |
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use KGzocha\Searcher\Context\Doctrine\QueryBuilderSearchingContext; |
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use KGzocha\Searcher\Context\SearchingContextInterface; |
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use KGzocha\Searcher\FilterImposer\QueryCriteriaBuilderInterface; |
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/** |
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* Filter imposers that requires {@link QueryBuilderSearchingContext} |
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* in SearchingContext can extend this class. |
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* |
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* @author Krzysztof Gzocha <[email protected]> |
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* @package KGzocha\DoctrineSearcher\FilterImposer |
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*/ |
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abstract class AbstractQueryBuilderQueryCriteriaBuilder implements |
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QueryCriteriaBuilderInterface |
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{ |
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/** |
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* @inheritDoc |
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*/ |
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public function supportsSearchingContext( |
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SearchingContextInterface $searchingContext |
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) { |
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return $searchingContext instanceof QueryBuilderSearchingContext; |
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} |
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/** |
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* Will do JOIN only if there is no such join already. |
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* |
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* @param QueryBuilder $queryBuilder |
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* @param string $join |
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* @param string $alias |
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* |
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* @return QueryBuilder |
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*/ |
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protected function join(QueryBuilder $queryBuilder, $join, $alias) |
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{ |
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list($entity) = explode('.', $join); |
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$joinParts = $queryBuilder->getDQLPart('join'); |
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if (!array_key_exists($entity, $joinParts)) { |
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return $queryBuilder->join($join, $alias); |
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} |
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return $this->filterExistingJoins( |
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$queryBuilder, |
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$joinParts[$entity], |
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$alias, |
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$join |
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); |
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} |
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/** |
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* @param QueryBuilder $queryBuilder |
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* @param mixed $joinParts |
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* @param string $alias |
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* @param string $join |
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* |
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* @return QueryBuilder|static |
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*/ |
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protected function filterExistingJoins( |
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QueryBuilder $queryBuilder, |
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$joinParts, |
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$alias, |
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$join |
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) { |
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$existingJoin = array_filter( |
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$joinParts, |
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function(Join $joinObj) use ($alias, $join) { |
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return $joinObj->getAlias() == $alias |
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&& $joinObj->getJoin() == $join; |
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} |
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); |
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if ([] != $existingJoin) { |
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return $queryBuilder; |
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} |
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return $queryBuilder->join($join, $alias); |
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} |
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} |
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krzysztof-gzocha /
searcher
