/**
* 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);
};
};
}
/**
* 为指定操作获取一个结果分页器。
*
* @param string $name 迭代器使用的操作名称。
* @param array $args 每个命令所使用的命令参数。
*
* @return ResultPaginator
* @throws \UnexpectedValueException 如果迭代器配置无效。
*/
public function getPaginator($name, array $args = [])
{
$config = $this->api->getPaginatorConfig($name);
return new ResultPaginator($this, $name, $args, $config);
}
public static function applyApiProvider(callable $value, array &$arguments, HandlerList $list)
{
$api = new Service(ApiProvider::resolve($value, 'api', $arguments['service'], $arguments['version']), $value);
$arguments['api'] = $api;
// todo add endpoint
$arguments['serializer'] = Service::createSerializer($api, $arguments['endpoint']);
// todo createParser
$arguments['parser'] = Service::createParser($api);
// todo get protocol
$arguments['errorParser'] = Service::createErrorParser($api->getProtocol());
$list->prependBuild(Middleware::requestBuilder($arguments['serializer']), 'builder');
}