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: / opt / psa / admin / plib / modules / grafana / vendor / mezzio / mezzio / src / Handler /
Filename : NotFoundHandler.php
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<?php

declare (strict_types=1);
namespace PleskGrafana\Mezzio\Handler;

use PleskGrafana\Fig\Http\Message\StatusCodeInterface;
use PleskGrafana\Mezzio\Response\CallableResponseFactoryDecorator;
use PleskGrafana\Mezzio\Template\TemplateRendererInterface;
use Psr\Http\Message\ResponseFactoryInterface;
use Psr\Http\Message\ResponseInterface;
use Psr\Http\Message\ServerRequestInterface;
use Psr\Http\Server\RequestHandlerInterface;
use function is_callable;
use function sprintf;
class NotFoundHandler implements RequestHandlerInterface
{
    public const TEMPLATE_DEFAULT = 'error::404';
    public const LAYOUT_DEFAULT = 'layout::default';
    private ResponseFactoryInterface $responseFactory;
    /**
     * @todo Allow nullable $layout
     * @param callable|ResponseFactoryInterface $responseFactory
     * @psalm-param (callable():ResponseInterface)|ResponseFactoryInterface $responseFactory
     */
    public function __construct($responseFactory, private ?TemplateRendererInterface $renderer = null, private string $template = self::TEMPLATE_DEFAULT, private string $layout = self::LAYOUT_DEFAULT)
    {
        if (is_callable($responseFactory)) {
            $responseFactory = new CallableResponseFactoryDecorator($responseFactory);
        }
        $this->responseFactory = $responseFactory;
    }
    /**
     * Creates and returns a 404 response.
     *
     * @param ServerRequestInterface $request Passed to internal handler
     */
    public function handle(ServerRequestInterface $request) : ResponseInterface
    {
        if ($this->renderer === null) {
            return $this->generatePlainTextResponse($request);
        }
        return $this->generateTemplatedResponse($this->renderer, $request);
    }
    /**
     * Generates a plain text response indicating the request method and URI.
     */
    private function generatePlainTextResponse(ServerRequestInterface $request) : ResponseInterface
    {
        $response = $this->responseFactory->createResponse()->withStatus(StatusCodeInterface::STATUS_NOT_FOUND);
        $response->getBody()->write(sprintf('Cannot %s %s', $request->getMethod(), (string) $request->getUri()));
        return $response;
    }
    /**
     * Generates a response using a template.
     *
     * Template will receive the current request via the "request" variable.
     */
    private function generateTemplatedResponse(TemplateRendererInterface $renderer, ServerRequestInterface $request) : ResponseInterface
    {
        $response = $this->responseFactory->createResponse()->withStatus(StatusCodeInterface::STATUS_NOT_FOUND);
        $response->getBody()->write($renderer->render($this->template, ['request' => $request, 'layout' => $this->layout]));
        return $response;
    }
    public function getResponseFactory() : ResponseFactoryInterface
    {
        return $this->responseFactory;
    }
}