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<?php |
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declare(strict_types=1); |
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namespace App\Middleware; |
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use Psr\Container\ContainerInterface; |
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use Psr\Http\Message\ResponseFactoryInterface; |
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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\Message\StreamFactoryInterface; |
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use Psr\Http\Message\StreamInterface; |
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use Psr\Http\Server\MiddlewareInterface; |
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use Psr\Http\Server\RequestHandlerInterface; |
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use Yiisoft\Injector\Injector; |
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/** |
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* ActionCaller maps a route to specified class instance and method. |
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* |
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* Dependencies are automatically injected into both method |
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* and constructor based on types specified. |
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*/ |
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final class ActionCaller implements MiddlewareInterface |
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{ |
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private string $class; |
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private string $method; |
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private ContainerInterface $container; |
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public function __construct(string $class, string $method, ContainerInterface $container) |
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{ |
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$this->class = $class; |
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$this->method = $method; |
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$this->container = $container; |
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} |
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public function process(ServerRequestInterface $request, RequestHandlerInterface $handler): ResponseInterface |
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{ |
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$controller = $this->container->get($this->class); |
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$result = (new Injector($this->container))->invoke([$controller, $this->method], [$request, $handler]); |
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if ($result instanceof ResponseInterface) { |
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return $result; |
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} |
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if ($result instanceof StreamInterface) { |
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$stream = $result; |
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} else { |
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$stream = $this->container->get(\App\Stream\SmartStreamFactory::class)->createStream($result); |
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} |
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return $this->container->get(ResponseFactoryInterface::class)->createResponse()->withBody($stream); |
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} |
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} |
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yiisoft /
yii-demo
