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<?php |
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declare(strict_types=1); |
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namespace ReadModel\Bridge\Doctrine; |
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use Doctrine\DBAL\Query\QueryBuilder; |
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use ReadModel\Filters\Filters; |
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final class ApplyFilters |
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{ |
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/** @var array */ |
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private $columnMapping; |
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/** |
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* @param array $columnMapping to provide columnMapping from filters to db, eg: city => address_city |
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*/ |
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public function __construct(array $columnMapping = []) |
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{ |
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$this->columnMapping = $columnMapping; |
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} |
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/** |
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* Applies unused filters and unused orders by to the query. |
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*/ |
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public function __invoke(QueryBuilder $qb, Filters $filters) |
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{ |
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// add filters to a query |
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foreach ($filters->unusedFilters() as $filter) { |
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$value = $filter->simplifiedValue(); |
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if ($value === null) { |
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continue; |
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} |
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$columnName = $this->getColumnName($filter->name()); |
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$qb->andWhere(sprintf('%s = :%s', $columnName, $filter->name())) |
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->setParameter($filter->name(), $value); |
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} |
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// add orders by to a query |
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foreach ($filters->unusedOrdersBy() as $orderBy) { |
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$columnName = $this->getColumnName($orderBy->field()); |
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$qb->addOrderBy($columnName, $orderBy->order()); |
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} |
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} |
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private function getColumnName(string $name): string |
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{ |
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$name = $this->columnMapping[$name] ?? $name; |
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return $this->toUnderscore($name); |
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} |
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private function toUnderscore(string $value): string |
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{ |
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return strtolower(preg_replace('/[A-Z]/', '_\\0', lcfirst($value))); |
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} |
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} |
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tomaszhanc /
cqrs-lite-read-model
