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<?php
namespace Illuminate\Validation\Rules;
use Illuminate\Contracts\Validation\Rule;
use Illuminate\Contracts\Validation\ValidatorAwareRule;
use Illuminate\Support\Facades\Gate;
class Can implements Rule, ValidatorAwareRule
{
/**
* The ability to check.
*
* @var string
*/
protected $ability;
/**
* The arguments to pass to the authorization check.
*
* @var array
*/
protected $arguments;
/**
* The current validator instance.
*
* @var \Illuminate\Validation\Validator
*/
protected $validator;
/**
* Constructor.
*
* @param string $ability
* @param array $arguments
*/
public function __construct($ability, array $arguments = [])
{
$this->ability = $ability;
$this->arguments = $arguments;
}
/**
* Determine if the validation rule passes.
*
* @param string $attribute
* @param mixed $value
* @return bool
*/
public function passes($attribute, $value)
{
$arguments = $this->arguments;
$model = array_shift($arguments);
return Gate::allows($this->ability, array_filter([$model, ...$arguments, $value]));
}
/**
* Get the validation error message.
*
* @return array
*/
public function message()
{
$message = $this->validator->getTranslator()->get('validation.can');
return $message === 'validation.can'
? ['The :attribute field contains an unauthorized value.']
: $message;
}
/**
* Set the current validator.
*
* @param \Illuminate\Validation\Validator $validator
* @return $this
*/
public function setValidator($validator)
{
$this->validator = $validator;
return $this;
}
}
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