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<?php |
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declare(strict_types=1); |
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/* |
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* This file is part of the Explicit Architecture POC, |
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* which is created on top of the Symfony Demo application. |
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* |
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* (c) Herberto Graça <[email protected]> |
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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 Acme\App\Infrastructure\TemplateEngine\Twig; |
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use Acme\App\Core\Port\TemplateEngine\NullTemplateViewModel; |
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use Acme\App\Core\Port\TemplateEngine\TemplateEngineInterface; |
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use Acme\App\Core\Port\TemplateEngine\TemplateViewModelInterface; |
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use Psr\Http\Message\ResponseInterface; |
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use ReflectionClass; |
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use ReflectionMethod; |
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use Symfony\Bridge\PsrHttpMessage\HttpFoundationFactoryInterface; |
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use Symfony\Bridge\PsrHttpMessage\HttpMessageFactoryInterface; |
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use Symfony\Bundle\FrameworkBundle\Templating\EngineInterface; |
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final class TemplateEngine implements TemplateEngineInterface |
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{ |
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/** |
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* @var EngineInterface |
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*/ |
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private $templateEngine; |
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/** |
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* @var HttpFoundationFactoryInterface |
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*/ |
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private $symfonyResponseFactory; |
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/** |
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* @var HttpMessageFactoryInterface |
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*/ |
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private $psrResponseFactory; |
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public function __construct( |
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EngineInterface $templateEngine, |
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HttpFoundationFactoryInterface $symfonyResponseFactory, |
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HttpMessageFactoryInterface $psrResponseFactory |
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) { |
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$this->templateEngine = $templateEngine; |
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$this->symfonyResponseFactory = $symfonyResponseFactory; |
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$this->psrResponseFactory = $psrResponseFactory; |
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} |
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/** |
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* @throws \ReflectionException |
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*/ |
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public function render(string $template, TemplateViewModelInterface $viewModel = null): string |
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{ |
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return $this->templateEngine->render( |
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$template, |
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$this->extractParametersFromViewModel($viewModel ?? new NullTemplateViewModel()) |
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); |
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} |
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/** |
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* @throws \ReflectionException |
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*/ |
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public function renderResponse( |
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string $template, |
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TemplateViewModelInterface $viewModel = null, |
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ResponseInterface $response = null |
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): ResponseInterface { |
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if ($response) { |
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$response = $this->symfonyResponseFactory->createResponse($response); |
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} |
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$parameters = $this->extractParametersFromViewModel($viewModel ?? new NullTemplateViewModel()); |
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$response = $this->psrResponseFactory->createResponse( |
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$this->templateEngine->renderResponse($template, $parameters, $response) |
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); |
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$response->getBody()->rewind(); |
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return $response; |
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} |
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public function exists(string $template): bool |
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{ |
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return $this->templateEngine->exists($template); |
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} |
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/** |
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* @throws \ReflectionException |
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*/ |
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private function extractParametersFromViewModel(TemplateViewModelInterface $viewModel): array |
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{ |
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$parameters = ['viewModel' => $viewModel]; |
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$viewModelReflection = new ReflectionClass($viewModel); |
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$methods = $viewModelReflection->getMethods(ReflectionMethod::IS_PUBLIC); |
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foreach ($methods as $method) { |
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if ($this->methodNameHasTemplatePrefix($method)) { |
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$parameters[$this->generateTemplateVariableName($method)] = $method->invoke($viewModel); |
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} |
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} |
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return $parameters; |
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} |
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private function methodNameHasTemplatePrefix(ReflectionMethod $method): bool |
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{ |
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return (bool) preg_match('/^(' . self::PARSED_METHOD_PREFIXES . ')/', $method->getName()); |
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} |
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private function generateTemplateVariableName(ReflectionMethod $method): string |
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{ |
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return lcfirst(str_replace('get', '', $method->getName())); |
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} |
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} |
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hgraca /
explicit-architecture-php
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