Files
kiri-core/HttpServer/Route/Reduce.php
T
2020-09-09 10:44:48 +08:00

60 lines
1.0 KiB
PHP

<?php
namespace HttpServer\Route;
use Closure;
use HttpServer\IInterface\After;
class Reduce
{
/**
* @param $last
* @param $middleWares
* @return mixed|null
*/
public static function reduce($last, $middleWares)
{
return array_reduce(array_reverse($middleWares), static::core(), $last);
}
/**
* @param $middleWares
* @return mixed|null
*/
public static function after($middleWares)
{
return array_reduce(array_reverse($middleWares), function ($stack, $pipe) {
return function ($request, $passable) use ($stack, $pipe) {
if ($pipe instanceof After) {
return $pipe->onHandler($request, $passable, $stack);
} else {
return $pipe($request, $passable, $stack);
}
};
});
}
/**
* @return Closure
*/
private static function core()
{
return function ($stack, $pipe) {
return function ($passable) use ($stack, $pipe) {
if ($pipe instanceof \HttpServer\IInterface\Middleware) {
return $pipe->handler($passable, $stack);
} else {
return $pipe($passable, $stack);
}
};
};
}
}