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ContainerSessionToRequestStackSessionRector.php
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ContainerSessionToRequestStackSessionRector.php
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<?php
declare(strict_types=1);
namespace Contao\Rector\Rector;
use PhpParser\Node;
use PHPStan\Type\ObjectType;
use Psr\Container\ContainerInterface;
use Rector\Rector\AbstractRector;
use Symplify\RuleDocGenerator\ValueObject\CodeSample\CodeSample;
use Symplify\RuleDocGenerator\ValueObject\RuleDefinition;
final class ContainerSessionToRequestStackSessionRector extends AbstractRector
{
public function getRuleDefinition(): RuleDefinition
{
return new RuleDefinition('Rewrites session access to the request stack session', [
new CodeSample(
<<<'CODE_BEFORE'
\Contao\System::getContainer()->get('session');
CODE_BEFORE
,
<<<'CODE_AFTER'
\Contao\System::getContainer()->get('request_stack')->getSession();
CODE_AFTER
),
]);
}
public function getNodeTypes(): array
{
return [Node\Expr\MethodCall::class];
}
public function refactor(Node $node): ?Node
{
assert($node instanceof Node\Expr\MethodCall);
$args = $node->getArgs();
if (
!$this->isMethodCall($node, ContainerInterface::class, 'get')
|| 1 !== \count($args)
|| 'session' !== $args[0]->value->value
) {
return null;
}
$container = new Node\Expr\StaticCall(new Node\Name\FullyQualified('Contao\System'), 'getContainer');
$requestStack = new Node\Expr\MethodCall($container, 'get', [new Node\Arg(new Node\Scalar\String_('request_stack'))]);
$node = new Node\Expr\MethodCall($requestStack, 'getSession');
return $node;
}
private function isMethodCall(Node $node, string $className, string $methodName): bool
{
return $node instanceof Node\Expr\MethodCall
&& $this->isName($node->name, $methodName)
&& $this->isObjectType($node->var, new ObjectType($className))
;
}
}