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<?php
declare(strict_types=1);
namespace Doctrine\ORM\Query;
use Doctrine\Common\Collections\ArrayCollection;
use Doctrine\Common\Collections\Expr\Comparison;
use Doctrine\Common\Collections\Expr\CompositeExpression;
use Doctrine\Common\Collections\Expr\ExpressionVisitor;
use Doctrine\Common\Collections\Expr\Value;
use RuntimeException;
use function count;
use function str_replace;
use function str_starts_with;
/**
* Converts Collection expressions to Query expressions.
*/
class QueryExpressionVisitor extends ExpressionVisitor
{
private const OPERATOR_MAP = [
Comparison::GT => Expr\Comparison::GT,
Comparison::GTE => Expr\Comparison::GTE,
Comparison::LT => Expr\Comparison::LT,
Comparison::LTE => Expr\Comparison::LTE,
];
private readonly Expr $expr;
/** @var list<mixed> */
private array $parameters = [];
/** @param mixed[] $queryAliases */
public function __construct(
private readonly array $queryAliases,
) {
$this->expr = new Expr();
}
/**
* Gets bound parameters.
* Filled after {@link dispach()}.
*
* @return ArrayCollection<int, mixed>
*/
public function getParameters(): ArrayCollection
{
return new ArrayCollection($this->parameters);
}
public function clearParameters(): void
{
$this->parameters = [];
}
/**
* Converts Criteria expression to Query one based on static map.
*/
private static function convertComparisonOperator(string $criteriaOperator): string|null
{
return self::OPERATOR_MAP[$criteriaOperator] ?? null;
}
public function walkCompositeExpression(CompositeExpression $expr): mixed
{
$expressionList = [];
foreach ($expr->getExpressionList() as $child) {
$expressionList[] = $this->dispatch($child);
}
return match ($expr->getType()) {
CompositeExpression::TYPE_AND => new Expr\Andx($expressionList),
CompositeExpression::TYPE_OR => new Expr\Orx($expressionList),
CompositeExpression::TYPE_NOT => $this->expr->not($expressionList[0]),
default => throw new RuntimeException('Unknown composite ' . $expr->getType()),
};
}
public function walkComparison(Comparison $comparison): mixed
{
if (! isset($this->queryAliases[0])) {
throw new QueryException('No aliases are set before invoking walkComparison().');
}
$field = $this->queryAliases[0] . '.' . $comparison->getField();
foreach ($this->queryAliases as $alias) {
if (str_starts_with($comparison->getField() . '.', $alias . '.')) {
$field = $comparison->getField();
break;
}
}
$parameterName = str_replace('.', '_', $comparison->getField());
foreach ($this->parameters as $parameter) {
if ($parameter->getName() === $parameterName) {
$parameterName .= '_' . count($this->parameters);
break;
}
}
$parameter = new Parameter($parameterName, $this->walkValue($comparison->getValue()));
$placeholder = ':' . $parameterName;
switch ($comparison->getOperator()) {
case Comparison::IN:
$this->parameters[] = $parameter;
return $this->expr->in($field, $placeholder);
case Comparison::NIN:
$this->parameters[] = $parameter;
return $this->expr->notIn($field, $placeholder);
case Comparison::EQ:
case Comparison::IS:
if ($this->walkValue($comparison->getValue()) === null) {
return $this->expr->isNull($field);
}
$this->parameters[] = $parameter;
return $this->expr->eq($field, $placeholder);
case Comparison::NEQ:
if ($this->walkValue($comparison->getValue()) === null) {
return $this->expr->isNotNull($field);
}
$this->parameters[] = $parameter;
return $this->expr->neq($field, $placeholder);
case Comparison::CONTAINS:
$parameter->setValue('%' . $parameter->getValue() . '%', $parameter->getType());
$this->parameters[] = $parameter;
return $this->expr->like($field, $placeholder);
case Comparison::MEMBER_OF:
return $this->expr->isMemberOf($comparison->getField(), $comparison->getValue()->getValue());
case Comparison::STARTS_WITH:
$parameter->setValue($parameter->getValue() . '%', $parameter->getType());
$this->parameters[] = $parameter;
return $this->expr->like($field, $placeholder);
case Comparison::ENDS_WITH:
$parameter->setValue('%' . $parameter->getValue(), $parameter->getType());
$this->parameters[] = $parameter;
return $this->expr->like($field, $placeholder);
default:
$operator = self::convertComparisonOperator($comparison->getOperator());
if ($operator) {
$this->parameters[] = $parameter;
return new Expr\Comparison(
$field,
$operator,
$placeholder,
);
}
throw new RuntimeException('Unknown comparison operator: ' . $comparison->getOperator());
}
}
public function walkValue(Value $value): mixed
{
return $value->getValue();
}
}
|
