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<?php
namespace Spatie\ModelStates\Validation;
use Illuminate\Contracts\Validation\Rule;
class ValidStateRule implements Rule
{
/** @var string|\Spatie\ModelStates\State */
private $abstractStateClass;
/** @var bool */
private $nullable;
public static function make(string $abstractStateClass): ValidStateRule
return new self($abstractStateClass);
}
public function __construct(string $abstractStateClass)
$this->abstractStateClass = $abstractStateClass;
public function nullable(): ValidStateRule
$this->nullable = true;
return $this;
public function required(): ValidStateRule
$this->nullable = false;
public function passes($attribute, $value): bool
if ($this->nullable && $value === null) {
return true;
$stateClass = $this->abstractStateClass::resolveStateClass($value);
return is_subclass_of($stateClass, $this->abstractStateClass);
public function message(): string
return 'This value is invalid';
spatie /
laravel-model-states
