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