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<?php |
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/** |
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* This file is part of slick/web_stack package |
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* |
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* For the full copyright and license information, please view the LICENSE |
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* file that was distributed with this source code. |
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*/ |
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namespace Slick\WebStack\Http\Server; |
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use Interop\Http\Server\MiddlewareInterface; |
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use Interop\Http\Server\RequestHandlerInterface; |
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use Psr\Http\Message\ResponseInterface; |
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use Psr\Http\Message\ServerRequestInterface; |
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use Slick\Http\Message\Stream\TextStream; |
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use Slick\Template\TemplateEngineInterface; |
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use Slick\WebStack\Renderer\ViewInflectorInterface; |
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/** |
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* RendererMiddleware |
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* |
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* @package Slick\WebStack\Http\Server |
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*/ |
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class RendererMiddleware implements MiddlewareInterface |
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{ |
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/** |
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* @var TemplateEngineInterface |
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*/ |
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private $templateEngine; |
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/** |
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* @var ViewInflectorInterface |
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*/ |
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private $viewInflector; |
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/** |
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* Creates a Renderer Middleware |
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* |
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* @param TemplateEngineInterface $templateEngine |
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* @param ViewInflectorInterface $viewInflector |
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*/ |
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public function __construct(TemplateEngineInterface $templateEngine, ViewInflectorInterface $viewInflector) |
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{ |
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$this->templateEngine = $templateEngine; |
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$this->viewInflector = $viewInflector; |
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} |
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/** |
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* Process an incoming server request and return a response, optionally delegating |
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* response creation to a handler. |
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* |
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* @param ServerRequestInterface $request |
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* @param RequestHandlerInterface $handler |
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* |
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* @return ResponseInterface |
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*/ |
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public function process(ServerRequestInterface $request, RequestHandlerInterface $handler) |
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{ |
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$response = $handler->handle($request); |
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$body = new TextStream($this->createContent($request)); |
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$response = $response->withBody($body); |
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return $response; |
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} |
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/** |
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* Generates the content form request attributes |
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* |
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* @param ServerRequestInterface $request |
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* |
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* @return string |
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*/ |
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private function createContent(ServerRequestInterface $request) |
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{ |
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$route = $request->getAttribute('route'); |
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$template = $this->viewInflector->inflect($route); |
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$this->templateEngine->parse($template); |
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return $this->templateEngine->process($request->getAttribute('viewData', [])); |
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} |
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} |
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