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<?php |
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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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/** |
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* @param Twig_Environment $twig |
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* @param TemplateFinderInterface|null $templateFinder |
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*/ |
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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->beforeRender($ro); |
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if ($ro->view === '') { |
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return ''; |
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} |
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try { |
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$template = $this->loadTemplate($ro); |
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} catch (\Twig_Error_Loader $e) { |
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if ($ro->code !== 200) { |
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$ro->view = ''; |
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return ''; |
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} |
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throw new Exception\TemplateNotFound($e->getMessage(), 500, $e); |
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} |
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$ro->view = $template->render($this->buildBody($ro)); |
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return $ro->view; |
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} |
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private function beforeRender(ResourceObject $ro) |
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{ |
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if (!isset($ro->headers['content-type'])) { |
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$ro->headers['content-type'] = 'text/html; charset=utf-8'; |
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} |
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if ($ro->code === Code::NO_CONTENT) { |
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$ro->view = ''; |
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} |
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} |
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private function buildBody(ResourceObject $ro) |
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{ |
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$body = is_array($ro->body) ? $ro->body : []; |
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$body += ['_code' => $ro->code, '_headers' => $ro->headers]; |
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return $body; |
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} |
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/** |
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* @param ResourceObject $ro |
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* @return \Twig_TemplateInterface |
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*/ |
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private function loadTemplate(ResourceObject $ro) |
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{ |
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$loader = $this->twig->getLoader(); |
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if ($loader instanceof \Twig_Loader_Filesystem) { |
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list($file, $dir) = $this->getTemplate($ro, $loader->getPaths()); |
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if ($dir) { |
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// if the file not in paths, register the directory |
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$loader->prependPath($dir); |
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} |
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return $this->twig->loadTemplate($file); |
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} |
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return $this->twig->loadTemplate($this->getReflection($ro)->name . self::EXT); |
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} |
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/** |
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* @param ResourceObject $ro |
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* @return \ReflectionClass |
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*/ |
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private function getReflection(ResourceObject $ro) |
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{ |
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if ($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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/** |
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* return template file full path |
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* |
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* @param ResourceObject $ro |
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* @return string |
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*/ |
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private function getTemplatePath(ResourceObject $ro) |
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{ |
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$file = $this->getReflection($ro)->getFileName(); |
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return $this->templateFinder->__invoke($file); |
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} |
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/** |
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* return template path and directory |
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* |
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* @param ResourceObject $ro |
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* @param array $paths |
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* @return array |
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*/ |
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9 |
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private function getTemplate(ResourceObject $ro, array $paths = []) |
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{ |
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$file = $this->getTemplatePath($ro); |
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foreach ($paths as $path) { |
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if (strpos($file, $path . '/') === 0) { |
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return [substr($file, strlen($path . '/')), null]; |
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} |
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} |
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return [basename($file), dirname($file)]; |
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} |
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} |
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madapaja /
Madapaja.TwigModule
