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<?php |
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namespace App; |
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use Psr\Http\Message\ResponseInterface; |
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use Yiisoft\Aliases\Aliases; |
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use Yiisoft\Strings\Inflector; |
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use Yiisoft\View\ViewContextInterface; |
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use Yiisoft\View\WebView; |
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use Yiisoft\Yii\Web\Data\DataResponseFactoryInterface; |
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use Yiisoft\Yii\Web\User\User; |
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final class ViewRenderer implements ViewContextInterface |
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{ |
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protected ?string $name = null; |
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protected DataResponseFactoryInterface $responseFactory; |
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protected User $user; |
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private Aliases $aliases; |
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private WebView $view; |
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private string $layout; |
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private ?string $viewPath = null; |
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private ?string $viewBasePath = null; |
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public function __construct( |
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DataResponseFactoryInterface $responseFactory, |
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User $user, |
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Aliases $aliases, |
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WebView $view |
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) |
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{ |
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$this->responseFactory = $responseFactory; |
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$this->user = $user; |
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$this->aliases = $aliases; |
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$this->view = $view; |
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$this->layout = '@views/layout/main'; |
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} |
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public function getViewPath(): string |
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{ |
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if ($this->viewPath !== null) { |
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return $this->viewPath; |
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} |
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if ($this->viewBasePath !== null) { |
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return $this->aliases->get($this->viewBasePath) . '/' . $this->name; |
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} |
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return $this->aliases->get('@views') . '/' . $this->name; |
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} |
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public function render(string $view, array $parameters = []): ResponseInterface |
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{ |
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$contentRenderer = fn() => $this->renderProxy($view, $parameters); |
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return $this->responseFactory->createResponse($contentRenderer); |
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} |
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public function renderPartial(string $view, array $parameters = []): ResponseInterface |
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{ |
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$content = $this->view->render($view, $parameters, $this); |
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return $this->responseFactory->createResponse($content); |
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} |
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public function withController(object $controller): self |
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{ |
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$new = clone $this; |
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$new->name = $this->getName($controller); |
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return $new; |
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} |
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public function withControllerName(string $name): self |
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{ |
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$new = clone $this; |
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$new->name = $name; |
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return $new; |
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} |
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public function withViewPath(string $viewPath): self |
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{ |
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$new = clone $this; |
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$new->viewPath = $viewPath; |
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return $new; |
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} |
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public function withViewBasePath(string $viewBasePath): self |
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{ |
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$new = clone $this; |
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$new->viewBasePath = $viewBasePath; |
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return $new; |
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} |
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public function withLayout(string $layout): self |
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{ |
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$new = clone $this; |
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$new->layout = $layout; |
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return $new; |
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} |
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private function renderProxy(string $view, array $parameters = []): string |
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{ |
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$content = $this->view->render($view, $parameters, $this); |
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$user = $this->user->getIdentity(); |
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$layout = $this->findLayoutFile($this->aliases->get($this->layout)); |
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if ($layout === null) { |
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return $content; |
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} |
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return $this->view->renderFile( |
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$layout, |
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[ |
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'content' => $content, |
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'user' => $user, |
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], |
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$this |
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); |
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} |
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private function findLayoutFile(?string $file): ?string |
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{ |
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if ($file === null) { |
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return null; |
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} |
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if (pathinfo($file, PATHINFO_EXTENSION) !== '') { |
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return $file; |
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} |
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return $file . '.' . $this->view->getDefaultExtension(); |
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} |
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/** |
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* Returns the controller name. Name should be converted to "id" case. |
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* Method returns classname without `controller` on the ending. |
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* If namespace is not contain `controller` or `controllers` |
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* then returns only classname without `controller` on the ending |
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* else returns all subnamespaces from `controller` (or `controllers`) to the end |
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* |
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* @return string |
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* @example App\Controller\FooBar\BazController -> foo-bar/baz |
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* @example App\Controllers\FooBar\BazController -> foo-bar/baz |
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* @example Path\To\File\BlogController -> blog |
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* @see Inflector::camel2id() |
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*/ |
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private function getName(object $controller): string |
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{ |
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if ($this->name !== null) { |
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return $this->name; |
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} |
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$regexp = '/((?<=controller\\\|s\\\)(?:[\w\\\]+)|(?:[a-z]+))controller/iuU'; |
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if (!preg_match($regexp, get_class($controller), $m) || empty($m[1])) { |
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throw new \RuntimeException('Cannot detect controller name'); |
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} |
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$inflector = new Inflector(); |
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$name = str_replace('\\', '/', $m[1]); |
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return $inflector->camel2id($name); |
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} |
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} |
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yiisoft /
yii-demo
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