/**
* 用于客户端验证的中间件。
*
* @param Service $api 被访问的 API。
* @param Validator|null $validator 验证器。
*
* @return callable
*/
public static function validation(Service $api, Validator $validator = null)
{
$validator = $validator ?: new \Validator();
return function (callable $handler) use($api, $validator) {
return function (CommandInterface $command, RequestInterface $request = null) use($api, $validator, $handler) {
$operation = $api->getOperation($command->getName());
$validator->validate($command->getName(), $operation->getInput(), $command->toArray());
return $handler($command, $request);
};
};
}
