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<?php |
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declare(strict_types=1); |
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namespace Ray\AuraSqlModule\Pagerfanta; |
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use Aura\Sql\ExtendedPdoInterface; |
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use Aura\SqlQuery\Common\SelectInterface; |
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use Pagerfanta\Adapter\AdapterInterface; |
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use PDO; |
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use PDOStatement; |
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use function assert; |
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use function call_user_func; |
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use function is_array; |
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use function is_int; |
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/** |
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* @template T |
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* @implements AdapterInterface<T> |
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*/ |
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class AuraSqlQueryAdapter implements AdapterInterface |
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{ |
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private ExtendedPdoInterface $pdo; |
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private SelectInterface $select; |
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/** @var callable */ |
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private $countQueryBuilderModifier; |
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/** @param callable $countQueryBuilderModifier a callable to modifier the query builder to count */ |
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public function __construct(ExtendedPdoInterface $pdo, SelectInterface $select, callable $countQueryBuilderModifier) |
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{ |
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$this->pdo = $pdo; |
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$this->select = clone $select; |
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$this->countQueryBuilderModifier = $countQueryBuilderModifier; |
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} |
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/** |
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* {@inheritDoc} |
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*/ |
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public function getNbResults(): int |
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{ |
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$select = $this->prepareCountQueryBuilder(); |
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$sql = $select->getStatement(); |
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$sth = $this->pdo->prepare($sql); |
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assert($sth instanceof PDOStatement); |
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$sth->execute($this->select->getBindValues()); |
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$result = $sth->fetchColumn(); |
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$nbResults = (int) $result; |
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assert($nbResults >= 0); |
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assert(is_int($nbResults)); |
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return $nbResults; |
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} |
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/** |
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* {@inheritDoc} |
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* |
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* @return iterable<array-key, mixed> |
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*/ |
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public function getSlice(int $offset, int $length): iterable |
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{ |
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$select = clone $this->select; |
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$sql = $select |
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->offset($offset) |
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->limit($length) |
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->getStatement(); |
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$sth = $this->pdo->prepare($sql); |
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assert($sth instanceof PDOStatement); |
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$sth->execute($this->select->getBindValues()); |
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$result = $sth->fetchAll(PDO::FETCH_ASSOC); |
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assert(is_array($result)); |
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return $result; |
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} |
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private function prepareCountQueryBuilder(): SelectInterface |
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{ |
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$select = clone $this->select; |
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call_user_func($this->countQueryBuilderModifier, $select); |
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return $select; |
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} |
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} |
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Ray-Di /
Ray.AuraSqlModule
