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<?php |
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/** |
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* Copyright (c) 2020. |
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* @author Paweł Antosiak <[email protected]> |
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*/ |
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declare(strict_types=1); |
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namespace Gorynych\Http; |
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use Gorynych\Exception\KernelNotBootedException; |
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use Gorynych\Http\Dto\ProblemDetails; |
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use Gorynych\Http\Exception\HttpException; |
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use Gorynych\Http\Exception\NotAcceptableHttpException; |
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use Gorynych\Http\Formatter\FormatterFactory; |
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use Gorynych\Http\Routing\Router; |
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use Gorynych\Resource\ResourceLoader; |
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use Symfony\Component\Config\FileLocator; |
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use Symfony\Component\Config\FileLocatorInterface; |
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use Symfony\Component\DependencyInjection\ContainerBuilder; |
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use Symfony\Component\DependencyInjection\Loader\YamlFileLoader; |
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use Symfony\Component\HttpFoundation\Request; |
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use Symfony\Component\HttpFoundation\Response; |
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abstract class Kernel |
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{ |
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protected ?ContainerBuilder $container; |
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protected string $env; |
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protected bool $booted = false; |
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public function boot(string $env = 'dev'): self |
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{ |
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$this->env = $env; |
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$this->initializeContainer(); |
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$this->booted = true; |
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return $this; |
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} |
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public function reboot(): self |
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{ |
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$this->shutdown()->boot($this->env ?? 'dev'); |
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return $this; |
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} |
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public function shutdown(): self |
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{ |
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$this->container = null; |
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$this->booted = false; |
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return $this; |
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} |
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/** |
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* @throws KernelNotBootedException |
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*/ |
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public function getContainer(): ContainerBuilder |
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{ |
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$this->ensureIsBooted(); |
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return $this->container; |
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} |
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/** |
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* @throws KernelNotBootedException |
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*/ |
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public function getRouter(): Router |
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{ |
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$this->ensureIsBooted(); |
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return $this->container->get('http.router'); |
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} |
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/** |
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* @throws KernelNotBootedException |
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*/ |
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public function getFormatterFactory(): FormatterFactory |
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{ |
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$this->ensureIsBooted(); |
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return $this->container->get('http.formatter_factory'); |
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} |
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/** |
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* @throws KernelNotBootedException |
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* @throws \Throwable |
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*/ |
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public function handleRequest(Request $request): Response |
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{ |
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$this->ensureIsBooted(); |
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try { |
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$formatter = $this->getFormatterFactory()->create(...$request->getAcceptableContentTypes()); |
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} catch (NotAcceptableHttpException $e) { |
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return new Response($e->getMessage(), $e->getStatusCode()); |
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} |
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try { |
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$operation = $this->getRouter()->findOperation($request); |
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$output = $operation->handle($request); |
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} catch (\Throwable $throwable) { |
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if ( |
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'dev' === $this->env || |
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('test' === $this->env && !($throwable instanceof HttpException)) |
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) { |
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throw $throwable; |
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} |
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$problemDetails = ProblemDetails::fromThrowable($throwable); |
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return $formatter->format($problemDetails, $problemDetails->status); |
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} |
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return $formatter->format($output, $operation->getResponseStatus()); |
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} |
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/** |
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* Returns FileLocator for project config directory |
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*/ |
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abstract public function getConfigLocator(): FileLocatorInterface; |
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/** |
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* Loads project configuration files |
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*/ |
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abstract protected function loadConfiguration(): void; |
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private function initializeContainer(): void |
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{ |
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$this->container = new ContainerBuilder(); |
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$loader = new YamlFileLoader($this->container, new FileLocator(dirname(__DIR__, 2) . '/config')); |
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$loader->load('services.yaml'); |
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$this->container->set('kernel.config_locator', $this->getConfigLocator()); |
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$this->container->set('http.router', new Router(new ResourceLoader($this->container, $this->getConfigLocator()))); |
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$this->container->set('http.formatter_factory', new FormatterFactory($this->getConfigLocator())); |
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$this->loadConfiguration(); |
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$this->container->compile(); |
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} |
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/** |
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* @throws KernelNotBootedException |
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*/ |
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private function ensureIsBooted(): void |
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{ |
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if (false === $this->booted) { |
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throw new KernelNotBootedException(); |
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} |
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} |
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} |
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Assasz /
gorynych
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