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<?php |
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namespace HnrAzevedo\Viewer; |
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use Psr\Http\Message\ServerRequestInterface; |
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use Psr\Http\Message\ResponseInterface; |
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use Psr\Http\Server\RequestHandlerInterface; |
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use HnrAzevedo\Http\Uri; |
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use HnrAzevedo\Http\Factory; |
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final class Viewer implements ViewerInterface |
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{ |
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use Helper; |
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private static Viewer $instance; |
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private static string $path = ''; |
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private bool $middleware; |
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public static function getInstance(): Viewer |
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{ |
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self::$instance = (isset(self::$instance)) ? self::$instance : new self(); |
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return self::$instance; |
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} |
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public function process(ServerRequestInterface $request, RequestHandlerInterface $handler): ResponseInterface |
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{ |
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if(null === $request->getAttribute('viewer')){ |
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throw new \RuntimeException('The path and file parameters for viewing were not defined in the request'); |
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} |
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self::$path = $request->getAttribute('viewer')['path']; |
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$data = (isset($request->getAttribute('viewer')['data'])) ? $request->getAttribute('viewer')['data'] : []; |
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$buffer = $this->getInstance()->render($request->getAttribute('viewer')['file'], $data, true); |
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$request = $request->withBody((new Factory())->createStream($buffer)); |
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return $handler->handle($request); |
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} |
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public static function render(string $file, ?array $data = [], ?bool $return = false): string |
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{ |
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self::getInstance()->data = $data; |
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if(!isset(self::$middleware) && $return === false){ |
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self::getInstance()->handle($file); |
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return ''; |
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} |
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return self::getInstance()->getBody($file.'.view.php'); |
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} |
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private function handle(string $file): void |
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{ |
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self::getInstance()->middleware = false; |
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$serverRequest = (new Factory())->createServerRequest( |
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$_SERVER['REQUEST_METHOD'], |
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new Uri($_SERVER['REQUEST_URI']) |
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); |
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$serverRequest = $serverRequest->withAttribute('viewer',[ |
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'path' => self::$path, |
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'file' => $file, |
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'data' => self::getInstance()->data |
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]); |
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self::getInstance()->process($serverRequest, new class implements RequestHandlerInterface{ |
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public function handle(ServerRequestInterface $request): ResponseInterface |
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{ |
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echo $request->getBody()->getContents(); |
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return (new Factory())->createResponse(200); |
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} |
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}); |
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} |
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public static function path(string $path): Viewer |
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{ |
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self::$path = $path; |
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unset(self::getInstance()->middleware); |
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return self::getInstance(); |
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} |
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public static function import(string $file): void |
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{ |
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try{ |
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echo self::getInstance()->getBody($file.'.inc.php'); |
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}catch(\Exception $er){ |
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echo "<div class='view error'>Component error: {$er->getMessage()}</div>"; |
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} |
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} |
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private function getBody(string $file) |
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{ |
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$buffer = $this->getInstance()->getOB(self::$path . DIRECTORY_SEPARATOR . $file); |
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$buffer = $this->getInstance()->getVars($buffer); |
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$buffer = $this->getInstance()->getVars($buffer, false); |
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$buffer = $this->getInstance()->removeComments($buffer); |
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return $buffer; |
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} |
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} |
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hnrazevedo /
Viewer
