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<?php |
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declare(strict_types=1); |
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/* For licensing terms, see /license.txt */ |
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namespace Chamilo\CoreBundle\EventSubscriber; |
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use Chamilo\CoreBundle\Entity\Course; |
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use Chamilo\CoreBundle\Settings\SettingsManager; |
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use Chamilo\CourseBundle\Settings\SettingsCourseManager; |
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use Symfony\Component\DependencyInjection\ParameterBag\ParameterBagInterface; |
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use Symfony\Component\EventDispatcher\EventSubscriberInterface; |
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use Symfony\Component\HttpFoundation\Request; |
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use Symfony\Component\HttpKernel\Event\RequestEvent; |
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use Symfony\Component\HttpKernel\KernelEvents; |
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/** |
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* Handles locale selection based on platform, user, and course settings. |
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*/ |
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class LocaleSubscriber implements EventSubscriberInterface |
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{ |
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public function __construct( |
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private string $defaultLocale, |
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private SettingsManager $settingsManager, |
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private ParameterBagInterface $parameterBag, |
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private SettingsCourseManager $courseSettingsManager |
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) { |
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} |
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public function onKernelRequest(RequestEvent $event): void |
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{ |
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$request = $event->getRequest(); |
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$installed = $this->parameterBag->has('installed') && 1 === (int) $this->parameterBag->get('installed'); |
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if (!$installed || !$request->hasSession()) { |
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return; |
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} |
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$sessionHandler = $request->getSession(); |
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// Override locale if forced via ?_locale=xx |
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if ($attrLocale = $request->query->get('_locale')) { |
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$sessionHandler->set('_selected_locale', $attrLocale); |
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} |
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// Determine locale based on priority logic |
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$locale = $this->getCurrentLanguage($request); |
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// Apply locale to request and session |
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$request->setLocale($locale); |
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$sessionHandler->set('_locale', $locale); |
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} |
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public function getCurrentLanguage(Request $request): string |
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{ |
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$sessionHandler = $request->getSession(); |
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$localeList = []; |
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// 1. Platform default locale |
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if ($platformLocale = $this->settingsManager->getSetting('language.platform_language')) { |
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$localeList['platform_lang'] = $platformLocale; |
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} |
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// 2. User profile locale from session |
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if ($userLocale = $sessionHandler->get('_locale_user')) { |
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$localeList['user_profil_lang'] = $userLocale; |
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} |
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// 3. Course locale or user locale if course allows user language |
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$course = $sessionHandler->get('course'); |
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if ($course instanceof Course) { |
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$userLocale = $localeList['user_profil_lang'] ?? null; |
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$courseLocale = $course->getCourseLanguage(); |
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$this->courseSettingsManager->setCourse($course); |
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if ($this->courseSettingsManager->getCourseSettingValue('show_course_in_user_language') === '1' && $userLocale) { |
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$localeList['course_lang'] = $userLocale; |
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} elseif ($courseLocale) { |
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$localeList['course_lang'] = $courseLocale; |
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} |
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} |
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// 4. Locale selected manually via URL |
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if ($localeFromUrl = $sessionHandler->get('_selected_locale')) { |
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$localeList['user_selected_lang'] = $localeFromUrl; |
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} |
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// 5. Resolve locale based on configured language priorities |
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foreach ([ |
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'language_priority_1', |
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'language_priority_2', |
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'language_priority_3', |
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'language_priority_4', |
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] as $settingKey) { |
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$priority = $this->settingsManager->getSetting("language.$settingKey"); |
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if (!empty($priority) && !empty($localeList[$priority])) { |
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return $localeList[$priority]; |
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} |
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} |
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// 6. Fallback order if priorities are not defined |
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foreach (['platform_lang', 'user_profil_lang', 'course_lang', 'user_selected_lang'] as $key) { |
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if (!empty($localeList[$key])) { |
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return $localeList[$key]; |
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} |
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} |
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// 7. Final fallback to system default |
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return $this->defaultLocale; |
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} |
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public static function getSubscribedEvents(): array |
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{ |
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return [ |
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// must be registered before the default Locale listener |
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KernelEvents::REQUEST => [['onKernelRequest', 20]], |
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]; |
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} |
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} |
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chamilo /
chamilo-lms
