Files
kiri-core/http-handler/Abstracts/Handler.php
T
2021-09-18 10:50:59 +08:00

69 lines
1.5 KiB
PHP

<?php
namespace Http\Handler\Abstracts;
use Http\Handler\Handler as CHl;
use Kiri\Kiri;
use Psr\Http\Message\ResponseInterface;
use Psr\Http\Message\ServerRequestInterface;
use Psr\Http\Server\MiddlewareInterface;
use Psr\Http\Server\RequestHandlerInterface;
abstract class Handler implements RequestHandlerInterface
{
private int $offset = 0;
/**
* @param CHl $handler
* @param array|null $middlewares
*/
public function __construct(protected CHl $handler, protected ?array $middlewares)
{
}
/**
* @param ServerRequestInterface $request
* @return ResponseInterface
* @throws \Exception
*/
protected function execute(ServerRequestInterface $request): ResponseInterface
{
if (empty($this->middlewares) || !isset($this->middlewares[$this->offset])) {
return $this->dispatcher();
}
$middleware = $this->middlewares[$this->offset];
if (!($middleware instanceof MiddlewareInterface)) {
throw new \Exception('get_implements_class($middleware) not found method process.');
}
++$this->offset;
return $middleware->process($request, $this);
}
/**
* @return mixed
*/
protected function dispatcher(): mixed
{
if ($this->handler->callback instanceof \Closure) {
return call_user_func($this->handler->callback, ...$this->handler->params);
}
[$controller, $action] = $this->handler->callback;
$controller = Kiri::getDi()->get($controller);
return call_user_func([$controller, $action], ...$this->handler->params);
}
}