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<?php declare(strict_types=1); |
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namespace Mgid\Component\Pagination\Adapter\Doctrine\ORM; |
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use Doctrine\ORM\QueryBuilder; |
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use Mgid\Component\Pagination\Contract\SortableInterface; |
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use Mgid\Component\Pagination\Contract\PaginationInterface; |
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use Mgid\Component\Pagination\Contract\FilterableInterface; |
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use Mgid\Component\Pagination\Adapter\QueryBuilderAdapterInterface; |
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final class QueryBuilderAdapter implements QueryBuilderAdapterInterface |
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{ |
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private const OPERATORS = [ |
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FilterableInterface::EQUAL => 'eq', |
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FilterableInterface::NOT_EQUAL => 'neq', |
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FilterableInterface::IN => 'in', |
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FilterableInterface::NOT_IN => 'notIn', |
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FilterableInterface::LESS_THEN => 'lt', |
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FilterableInterface::LESS_THEN_OR_EQUAL => 'lte', |
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FilterableInterface::GREATER_THEN => 'gt', |
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FilterableInterface::GREATER_THEN_OR_EQUAL => 'gte', |
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FilterableInterface::LIKE => 'like', |
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]; |
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/** |
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* @var QueryBuilder |
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*/ |
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private QueryBuilder $builder; |
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/** |
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* @param QueryBuilder $builder |
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*/ |
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public function __construct(QueryBuilder $builder) |
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{ |
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$this->builder = $builder; |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function getRootAlias(): ?string |
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{ |
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return $this->builder->getRootAliases()[0] ?? null; |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function addOrders(SortableInterface $sortable): void |
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{ |
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foreach ($sortable->getOrders() as $fieldName => $order) { |
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$this->builder->addOrderBy($fieldName, $order); |
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} |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function addFilters(FilterableInterface $filterable): void |
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{ |
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$i = 0; |
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$expr = $this->builder->expr(); |
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foreach ($filterable->getFilters() as $fieldName => $operators) { |
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foreach ($operators as $operator => $value) { |
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$this->builder->setParameter(++$i, $value); |
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$this->builder->andWhere($expr->{$this->getOperator($operator)}($fieldName, \sprintf('?%d', $i))); |
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} |
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} |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function addPagination(PaginationInterface $pagination): void |
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{ |
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if ($pagination->getOffset() > 0) { |
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$this->builder->setFirstResult($pagination->getOffset()); |
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} |
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if ($pagination->getLimit() > 0) { |
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$this->builder->setMaxResults($pagination->getLimit()); |
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} |
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} |
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/** |
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* {@inheritdoc} |
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* |
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* @throws \Doctrine\ORM\NoResultException |
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* @throws \Doctrine\ORM\NonUniqueResultException |
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*/ |
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public function getCount(): int |
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{ |
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return (int) (clone $this->builder)->select('COUNT(1)')->getQuery()->getSingleScalarResult(); |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function getItems(): iterable |
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{ |
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return $this->builder->getQuery()->getArrayResult(); |
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} |
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/** |
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* @param string $alias |
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* |
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* @return string |
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*/ |
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private function getOperator(string $alias): string |
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{ |
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return self::OPERATORS[$alias]; |
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} |
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} |
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mgid /
pagination
