Magento URL Categories

<?php

use Magento\UrlRewrite\Service\V1\Data\UrlRewrite;
use Magento\UrlRewrite\Controller\Adminhtml\Url\Rewrite;
use Magento\UrlRewrite\Model\OptionProvider;

class CategoryRedirect implements \Magento\Framework\Event\ObserverInterface
{
	const EN_STORE = 1;
	const GR_STORE = 6;

	/**
	 * @var \Magento\Framework\UrlInterface
	 */
	protected $_url;

	/** var \Magento\Framework\App\ActionFactory */
	protected $actionFactory;

	/** @var \Magento\Framework\UrlInterface */
	protected $url;

	/** @var \Magento\Store\Model\StoreManagerInterface */
	protected $storeManager;

	/** @var \Magento\Framework\App\ResponseInterface */
	protected $response;

	/**
	 * @var \Magento\UrlRewrite\Model\UrlFinderInterface
	 */
	protected $urlFinder;

	/**
	 * @var \Greecs\Museums\Helper\Data
	 */
	protected $museumsHelper;

	/**
	 * CategoryRedirect constructor.
	 *
	 * @param \Magento\Framework\UrlInterface            $url
	 * @param \Magento\Framework\App\ActionFactory       $actionFactory
	 * @param \Magento\Store\Model\StoreManagerInterface $storeManager
	 * @param \Magento\Framework\App\ResponseInterface   $response
	 * @param UrlFinderInterface                         $urlFinder
	 */
	public function __construct(
		\Magento\Framework\UrlInterface $url,
		\Magento\Framework\App\ActionFactory $actionFactory,
		\Magento\Store\Model\StoreManagerInterface $storeManager,
		\Magento\Framework\App\ResponseInterface $response,
		\Magento\UrlRewrite\Model\UrlFinderInterface $urlFinder,
	)
	{
		$this->actionFactory      = $actionFactory;
		$this->url                = $url;
		$this->storeManager       = $storeManager;
		$this->response           = $response;
		$this->urlFinder          = $urlFinder;
	}

	public function execute(\Magento\Framework\Event\Observer $observer)
	{
		$request = $observer->getEvent()->getRequest();
		$requestPath = $request->getRequestString();

		$currentStoreId = $this->storeManager->getStore()->getId();
		$rewrite = $this->getRewrite($requestPath, $currentStoreId);
		if ($rewrite === null){
			if($currentStoreId == self::GR_STORE){
				$newRewrite = $this->getRewrite($requestPath, self::EN_STORE);
				$lookupStore = self::GR_STORE;
			}else{
				$newRewrite = $this->getRewrite($requestPath, self::GR_STORE);
				$lookupStore = self::EN_STORE;
			}

			if($newRewrite != null){
				$newRewrite = $this->getRewriteByTargetPath($newRewrite->getTargetPath(), $lookupStore);
				return $this->redirect($request, $this->url->getUrl($newRewrite->getRequestPath()), OptionProvider::TEMPORARY);
			}
		}
	}

	/**
	 * @param \Magento\Framework\App\RequestInterface $request
	 * @param UrlRewrite                              $rewrite
	 *
	 * @return \Magento\Framework\App\ActionInterface|null
	 */
	protected function processRedirect($request, $rewrite)
	{
		$target = $rewrite->getTargetPath();
		if ($rewrite->getEntityType() !== Rewrite::ENTITY_TYPE_CUSTOM
			|| ($prefix = substr($target, 0, 6)) !== 'http:/' && $prefix !== 'https:'
		)
		{
			$target = $this->url->getUrl('', ['_direct' => $target]);
		}

		return $this->redirect($request, $target, $rewrite->getRedirectType());
	}

	/**
	 * @param \Magento\Framework\App\RequestInterface $request
	 * @param string                                  $url
	 * @param int                                     $code
	 *
	 * @return \Magento\Framework\App\ActionInterface
	 */
	protected function redirect($request, $url, $code)
	{
		$this->response->setRedirect($url, $code);
		$request->setDispatched(true);

		return $this->actionFactory->create('Magento\Framework\App\Action\Redirect');
	}

	/**
	 * @param string $requestPath
	 * @param int    $storeId
	 *
	 * @return UrlRewrite|null
	 */
	protected function getRewrite($requestPath, $storeId)
	{
		return $this->urlFinder->findOneByData([
			UrlRewrite::REQUEST_PATH => trim($requestPath, '/'),
			UrlRewrite::STORE_ID     => $storeId,
		]);
	}

	/**
	 * @param     $targetPath
	 * @param int $storeId
	 *
	 * @return UrlRewrite|null
	 * @internal param string $requestPath
	 */
	protected function getRewriteByTargetPath($targetPath, $storeId)
	{
		return $this->urlFinder->findOneByData([
			UrlRewrite::TARGET_PATH => trim($targetPath, '/'),
			UrlRewrite::STORE_ID     => $storeId,
		]);
	}
}