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<?php |
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namespace Oc\GlobalContext\Provider; |
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use Oc\Language\LanguageService; |
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use Oc\Session\SessionDataInterface; |
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use Oc\User\UserProvider; |
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use Symfony\Component\HttpFoundation\Request; |
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/** |
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* Class LanguageProvider |
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* |
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* @package Oc\GlobalContext\Provider |
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*/ |
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class LanguageProvider |
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{ |
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/** |
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* @var LanguageService |
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*/ |
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private $languageService; |
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/** |
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* @var SessionDataInterface |
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*/ |
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private $sessionData; |
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/** |
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* @var string |
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*/ |
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private $defaultLanguage; |
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/** |
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* @var UserProvider |
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*/ |
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private $userProvider; |
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/** |
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* LanguageProvider constructor. |
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* |
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* @param LanguageService $languageService |
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* @param SessionDataInterface $sessionData |
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* @param UserProvider $userProvider |
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* @param string $defaultLanguage |
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*/ |
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public function __construct( |
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LanguageService $languageService, |
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SessionDataInterface $sessionData, |
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UserProvider $userProvider, |
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$defaultLanguage |
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) { |
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$this->languageService = $languageService; |
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$this->sessionData = $sessionData; |
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$this->defaultLanguage = $defaultLanguage; |
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$this->userProvider = $userProvider; |
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} |
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/** |
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* Determines the language of the user. |
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* |
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* @param Request $request |
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* |
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* @return string |
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*/ |
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public function getPreferredLanguage(Request $request) |
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{ |
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// Determine session locale |
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$sessionLocale = $this->sessionData->get('locale'); |
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if ($sessionLocale !== null) { |
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return strtolower($sessionLocale); |
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} |
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$userLocale = $this->getUserLocale(); |
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if ($userLocale !== null) { |
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return $userLocale; |
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} |
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$availableTranslations = $this->languageService->getAvailableTranslations(); |
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// Determine preferred language by Accepted-Language header and the available translations. |
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$preferredLanguage = $request->getPreferredLanguage($availableTranslations); |
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return $preferredLanguage ?: $this->defaultLanguage; |
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} |
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/** |
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* Fetches the user locale. |
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* |
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* @return string|null |
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*/ |
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private function getUserLocale() |
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{ |
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if ($user = $this->userProvider->bySession()) { |
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return $user->language; |
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} |
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return null; |
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} |
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} |
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OpencachingDeutschland /
oc-server3
