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<?php
namespace Rakit\Validation\Rules;
use Rakit\Validation\Helper;
use Rakit\Validation\Rule;
class Extension extends Rule
{
/** @var string */
protected $message = "The :attribute must be a :allowed_extensions file";
/**
* Given $params and assign the $this->params
*
* @param array $params
* @return self
*/
public function fillParameters(array $params): Rule
{
if (count($params) == 1 && is_array($params[0])) {
$params = $params[0];
}
$this->params['allowed_extensions'] = $params;
return $this;
}
/**
* Check the $value is valid
*
* @param mixed $value
* @return bool
*/
public function check($value): bool
{
$this->requireParameters(['allowed_extensions']);
$allowedExtensions = $this->parameter('allowed_extensions');
foreach ($allowedExtensions as $key => $ext) {
$allowedExtensions[$key] = ltrim($ext, '.');
}
$or = $this->validation ? $this->validation->getTranslation('or') : 'or';
$allowedExtensionsText = Helper::join(Helper::wraps($allowedExtensions, ".", ""), ', ', ", {$or} ");
$this->setParameterText('allowed_extensions', $allowedExtensionsText);
$ext = strtolower(pathinfo($value, PATHINFO_EXTENSION));
return ($ext && in_array($ext, $allowedExtensions)) ? true : false;
}
}