loggedin redirection added

use OCP\AppFramework\Controller;

use OCP\AppFramework\Http;

use OCP\AppFramework\Http\DataResponse;

use OCP\AppFramework\Http\RedirectResponse;

use OCP\AppFramework\Http\TemplateResponse;

use OCP\IRequest;

use OCP\ISession;

use OCP\IURLGenerator;

use OCP\L10N\IFactory;

class AccountController extends Controller {

	private $captchaService;

	protected $l10nFactory;

	private $session;

	private $userSession;

	private $urlGenerator;

	public function __construct(

		$AppName,

		IRequest $request,

		UserService $userService,

		CaptchaService $captchaService,

		IFactory $l10nFactory,

		IUserSession $userSession,

		IURLGenerator $urlGenerator,

		ISession $session

	) {

		parent::__construct($AppName, $request);

		$this->captchaService = $captchaService;

		$this->l10nFactory = $l10nFactory;

		$this->session = $session;

		$this->userSession = $userSession;

		$this->urlGenerator = $urlGenerator;

	}

	/**

	 * @NoAdminRequired

	 * @UseSession

	 * @PublicPage

	 * @NoCSRFRequired

	 *

	 * @param string $lang Language code (default: 'en')

	 *

	 * @return \OCP\AppFramework\Http\TemplateResponse

	 */

	public function index(string $lang = 'en') {

		if ($this->userSession->isLoggedIn()) {

			return new RedirectResponse($this->urlGenerator->linkToDefaultPageUrl());

		}

		return new TemplateResponse(

			Application::APP_ID,

			'signup',