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<?php |
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/** |
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* This file is part of the Madapaja.TwigModule package. |
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* |
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* @license http://opensource.org/licenses/MIT MIT |
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*/ |
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namespace Madapaja\TwigModule; |
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use BEAR\Resource\Code; |
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use BEAR\Resource\RenderInterface; |
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use BEAR\Resource\ResourceObject; |
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use Ray\Aop\WeavedInterface; |
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use Twig_Environment; |
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class TwigRenderer implements RenderInterface |
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{ |
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/** |
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* File extension |
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* |
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* @var string |
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*/ |
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const EXT = '.html.twig'; |
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/** |
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* @var Twig_Environment |
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*/ |
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public $twig; |
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/** |
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* @var TemplateFinderInterface |
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*/ |
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private $templateFinder; |
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public function __construct(Twig_Environment $twig, TemplateFinderInterface $templateFinder = null) |
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{ |
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$this->twig = $twig; |
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$this->templateFinder = $templateFinder ?: new TemplateFinder; |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function render(ResourceObject $ro) |
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{ |
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$this->setContentType($ro); |
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$ro->view = $this->isNoContent($ro) ? '' : $this->renderView($ro); |
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return $ro->view; |
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} |
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private function setContentType(ResourceObject $ro) |
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{ |
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if (! isset($ro->headers['content-type'])) { |
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$ro->headers['content-type'] = 'text/html; charset=utf-8'; |
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} |
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} |
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private function renderView(ResourceObject $ro) |
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{ |
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$template = $this->load($ro); |
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return $template ? $template->render($this->buildBody($ro)) : ''; |
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} |
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/** |
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* @return null|\Twig_TemplateWrapper |
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*/ |
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private function load(ResourceObject $ro) |
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{ |
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try { |
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return $this->loadTemplate($ro); |
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} catch (\Twig_Error_Loader $e) { |
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if ($ro->code !== 200) { |
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return; |
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} |
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} |
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throw new Exception\TemplateNotFound($e->getMessage(), 500, $e); |
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} |
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private function isNoContent(ResourceObject $ro) : bool |
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{ |
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return $ro->code === Code::NO_CONTENT || $ro->view === ''; |
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} |
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private function loadTemplate(ResourceObject $ro) : \Twig_TemplateWrapper |
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{ |
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$loader = $this->twig->getLoader(); |
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if ($loader instanceof \Twig_Loader_Filesystem) { |
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$classFile = $this->getReflection($ro)->getFileName(); |
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$templateFile = $this->templateFinder->__invoke($classFile); |
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return $this->twig->load($templateFile); |
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} |
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return $this->twig->load($this->getReflection($ro)->name . self::EXT); |
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} |
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private function getReflection(ResourceObject $ro) : \ReflectionClass |
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{ |
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if ($ro instanceof WeavedInterface) { |
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return (new \ReflectionClass($ro))->getParentClass(); |
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} |
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return new \ReflectionClass($ro); |
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} |
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private function buildBody(ResourceObject $ro) : array |
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{ |
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$body = \is_array($ro->body) ? $ro->body : []; |
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$body += ['_ro' => $ro]; |
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return $body; |
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} |
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} |
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madapaja /
Madapaja.TwigModule
