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<?php
namespace Illuminate\Validation;
use Illuminate\Contracts\Validation\DataAwareRule;
use Illuminate\Contracts\Validation\ImplicitRule;
use Illuminate\Contracts\Validation\InvokableRule;
use Illuminate\Contracts\Validation\Rule;
use Illuminate\Contracts\Validation\ValidatorAwareRule;
use Illuminate\Translation\PotentiallyTranslatedString;
class InvokableValidationRule implements Rule, ValidatorAwareRule
{
/**
* The invokable that validates the attribute.
*
* @var \Illuminate\Contracts\Validation\InvokableRule
*/
protected $invokable;
/**
* Indicates if the validation invokable failed.
*
* @var bool
*/
protected $failed = false;
/**
* The validation error messages.
*
* @var array
*/
protected $messages = [];
/**
* The current validator.
*
* @var \Illuminate\Validation\Validator
*/
protected $validator;
/**
* The data under validation.
*
* @var array
*/
protected $data = [];
/**
* Create a new explicit Invokable validation rule.
*
* @param \Illuminate\Contracts\Validation\InvokableRule $invokable
* @return void
*/
protected function __construct(InvokableRule $invokable)
{
$this->invokable = $invokable;
}
/**
* Create a new implicit or explicit Invokable validation rule.
*
* @param \Illuminate\Contracts\Validation\InvokableRule $invokable
* @return \Illuminate\Contracts\Validation\Rule
*/
public static function make($invokable)
{
if ($invokable->implicit ?? false) {
return new class($invokable) extends InvokableValidationRule implements ImplicitRule
{
//
};
}
return new InvokableValidationRule($invokable);
}
/**
* Determine if the validation rule passes.
*
* @param string $attribute
* @param mixed $value
* @return bool
*/
public function passes($attribute, $value)
{
$this->failed = false;
if ($this->invokable instanceof DataAwareRule) {
$this->invokable->setData($this->validator->getData());
}
if ($this->invokable instanceof ValidatorAwareRule) {
$this->invokable->setValidator($this->validator);
}
$this->invokable->__invoke($attribute, $value, function ($attribute, $message = null) {
$this->failed = true;
return $this->pendingPotentiallyTranslatedString($attribute, $message);
});
return ! $this->failed;
}
/**
* Get the underlying invokable rule.
*
* @return \Illuminate\Contracts\Validation\InvokableRule
*/
public function invokable()
{
return $this->invokable;
}
/**
* Get the validation error messages.
*
* @return array
*/
public function message()
{
return $this->messages;
}
/**
* Set the data under validation.
*
* @param array $data
* @return $this
*/
public function setData($data)
{
$this->data = $data;
return $this;
}
/**
* Set the current validator.
*
* @param \Illuminate\Validation\Validator $validator
* @return $this
*/
public function setValidator($validator)
{
$this->validator = $validator;
return $this;
}
/**
* Create a pending potentially translated string.
*
* @param string $attribute
* @param ?string $message
* @return \Illuminate\Translation\PotentiallyTranslatedString
*/
protected function pendingPotentiallyTranslatedString($attribute, $message)
{
$destructor = $message === null
? fn ($message) => $this->messages[] = $message
: fn ($message) => $this->messages[$attribute] = $message;
return new class($message ?? $attribute, $this->validator->getTranslator(), $destructor) extends PotentiallyTranslatedString
{
/**
* The callback to call when the object destructs.
*
* @var \Closure
*/
protected $destructor;
/**
* Create a new pending potentially translated string.
*
* @param string $message
* @param \Illuminate\Contracts\Translation\Translator $translator
* @param \Closure $destructor
*/
public function __construct($message, $translator, $destructor)
{
parent::__construct($message, $translator);
$this->destructor = $destructor;
}
/**
* Handle the object's destruction.
*
* @return void
*/
public function __destruct()
{
($this->destructor)($this->toString());
}
};
}
}
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