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- <?php
- /*
- * This file is part of the Symfony package.
- *
- * (c) Fabien Potencier <fabien@symfony.com>
- *
- * For the full copyright and license information, please view the LICENSE
- * file that was distributed with this source code.
- */
- namespace Symfony\Bridge\Twig;
- use Symfony\Component\HttpFoundation\Request;
- use Symfony\Component\HttpFoundation\RequestStack;
- use Symfony\Component\HttpFoundation\Session\Session;
- use Symfony\Component\Security\Core\Authentication\Token\Storage\TokenStorageInterface;
- use Symfony\Component\Security\Core\Authentication\Token\TokenInterface;
- /**
- * Exposes some Symfony parameters and services as an "app" global variable.
- *
- * @author Fabien Potencier <fabien@symfony.com>
- */
- class AppVariable
- {
- private $tokenStorage;
- private $requestStack;
- private $environment;
- private $debug;
- public function setTokenStorage(TokenStorageInterface $tokenStorage)
- {
- $this->tokenStorage = $tokenStorage;
- }
- public function setRequestStack(RequestStack $requestStack)
- {
- $this->requestStack = $requestStack;
- }
- public function setEnvironment(string $environment)
- {
- $this->environment = $environment;
- }
- public function setDebug(bool $debug)
- {
- $this->debug = $debug;
- }
- /**
- * Returns the current token.
- *
- * @return TokenInterface|null
- *
- * @throws \RuntimeException When the TokenStorage is not available
- */
- public function getToken()
- {
- if (null === $tokenStorage = $this->tokenStorage) {
- throw new \RuntimeException('The "app.token" variable is not available.');
- }
- return $tokenStorage->getToken();
- }
- /**
- * Returns the current user.
- *
- * @return object|null
- *
- * @see TokenInterface::getUser()
- */
- public function getUser()
- {
- if (null === $tokenStorage = $this->tokenStorage) {
- throw new \RuntimeException('The "app.user" variable is not available.');
- }
- if (!$token = $tokenStorage->getToken()) {
- return null;
- }
- $user = $token->getUser();
- return \is_object($user) ? $user : null;
- }
- /**
- * Returns the current request.
- *
- * @return Request|null The HTTP request object
- */
- public function getRequest()
- {
- if (null === $this->requestStack) {
- throw new \RuntimeException('The "app.request" variable is not available.');
- }
- return $this->requestStack->getCurrentRequest();
- }
- /**
- * Returns the current session.
- *
- * @return Session|null The session
- */
- public function getSession()
- {
- if (null === $this->requestStack) {
- throw new \RuntimeException('The "app.session" variable is not available.');
- }
- $request = $this->getRequest();
- return $request && $request->hasSession() ? $request->getSession() : null;
- }
- /**
- * Returns the current app environment.
- *
- * @return string The current environment string (e.g 'dev')
- */
- public function getEnvironment()
- {
- if (null === $this->environment) {
- throw new \RuntimeException('The "app.environment" variable is not available.');
- }
- return $this->environment;
- }
- /**
- * Returns the current app debug mode.
- *
- * @return bool The current debug mode
- */
- public function getDebug()
- {
- if (null === $this->debug) {
- throw new \RuntimeException('The "app.debug" variable is not available.');
- }
- return $this->debug;
- }
- /**
- * Returns some or all the existing flash messages:
- * * getFlashes() returns all the flash messages
- * * getFlashes('notice') returns a simple array with flash messages of that type
- * * getFlashes(['notice', 'error']) returns a nested array of type => messages.
- *
- * @return array
- */
- public function getFlashes($types = null)
- {
- try {
- if (null === $session = $this->getSession()) {
- return [];
- }
- } catch (\RuntimeException $e) {
- return [];
- }
- if (null === $types || '' === $types || [] === $types) {
- return $session->getFlashBag()->all();
- }
- if (\is_string($types)) {
- return $session->getFlashBag()->get($types);
- }
- $result = [];
- foreach ($types as $type) {
- $result[$type] = $session->getFlashBag()->get($type);
- }
- return $result;
- }
- }
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