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<?php |
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declare(strict_types=1); |
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namespace ReadModel\Bridge\Doctrine\Query; |
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use Doctrine\DBAL\Connection; |
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use Doctrine\DBAL\Query\QueryBuilder; |
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use ReadModel\Bridge\Doctrine\ApplyFilters; |
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use ReadModel\Bridge\Doctrine\DbalPaginator; |
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use ReadModel\Filters\Filters; |
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use ReadModel\NotFoundException; |
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use ReadModel\Paginator; |
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abstract class DbalQuery |
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{ |
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/** @var Connection */ |
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protected $connection; |
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/** @var int */ |
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protected $defaultLimit = 100; |
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/** @var array */ |
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protected $columnMapping = []; |
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public function __construct(Connection $connection) |
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{ |
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$this->connection = $connection; |
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} |
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protected function createQueryBuilder(): QueryBuilder |
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{ |
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return $this->connection->createQueryBuilder(); |
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} |
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protected function createPaginator(QueryBuilder $qb, int $limit = null, $offset = 0, string ...$parameters): Paginator |
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{ |
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$limit = $limit ?? $this->defaultLimit; |
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$this->transformParameters($qb, ...$parameters); |
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return new DbalPaginator($qb, $limit, $offset); |
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} |
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protected function createPaginatorForFilters(QueryBuilder $qb, Filters $filters, string ...$parameters): Paginator |
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{ |
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$paginator = $this->createPaginator($qb, $filters->limit(), $filters->offset(), ...$parameters); |
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$filters->addMetaToPaginator($paginator); |
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return $paginator; |
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} |
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protected function applyFilters(QueryBuilder $qb, Filters $filters): void |
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{ |
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(new ApplyFilters($this->columnMapping))($qb, $filters); |
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} |
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protected function getResult(QueryBuilder $qb, string ...$parameters): array |
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{ |
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$this->transformParameters($qb, ...$parameters); |
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return $qb->execute()->fetchAll(); |
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} |
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protected function getScalarResult(QueryBuilder $qb, string ...$parameters): array |
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{ |
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return array_map(function (array $row) { |
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return $this->getColumn($row); |
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}, $this->getResult($qb, ...$parameters)); |
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} |
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protected function getSingleResult(QueryBuilder $qb, string ...$parameters): array |
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{ |
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$this->transformParameters($qb, ...$parameters); |
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$qb->setMaxResults(1); |
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$result = $qb->execute()->fetch(); |
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if ($result === false) { |
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throw new NotFoundException(); |
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} |
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return $result; |
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} |
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protected function getSingleScalarResult(QueryBuilder $qb, ...$parameters) |
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{ |
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return $this->getColumn( |
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$this->getSingleResult($qb, ...$parameters) |
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); |
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} |
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protected function transformParameters(QueryBuilder $qb, string ...$parameters): void |
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{ |
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// do nothing, you can override this method or use trait TransformUuidToBytes |
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} |
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private function getColumn(array $result) |
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{ |
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if (count($result) > 1) { |
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throw new TooManyColumnsException(array_keys($result)); |
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} |
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return array_shift($result); |
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} |
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} |
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tomaszhanc /
cqrs-lite-read-model
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This check looks for parameters that have been defined for a function or method, but which are not used in the method body.