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<?php |
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declare(strict_types=1); |
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namespace Lochmueller\LanguageDetection\Handler; |
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use Lochmueller\LanguageDetection\Event\DetectUserLanguagesEvent; |
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use Lochmueller\LanguageDetection\Event\NegotiateSiteLanguageEvent; |
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use Lochmueller\LanguageDetection\Handler\Exception\DisableLanguageDetectionException; |
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use Lochmueller\LanguageDetection\Handler\Exception\NoUserLanguagesException; |
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use Psr\Http\Message\ResponseInterface; |
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use Psr\Http\Message\ServerRequestInterface; |
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use Psr\Http\Server\RequestHandlerInterface; |
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use TYPO3\CMS\Core\Http\JsonResponse; |
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/** |
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* Language detection via "language.json". Do not check if Detection is enabled and |
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* always output language information. |
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*/ |
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class JsonDetectionHandler extends AbstractHandler implements RequestHandlerInterface |
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{ |
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public function handle(ServerRequestInterface $request): ResponseInterface |
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{ |
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if ($request->getUri()->getPath() !== '/language.json') { |
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throw new DisableLanguageDetectionException('Wrong URI for JSON detection', 2_346_782); |
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} |
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$site = $this->getSiteFromRequest($request); |
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$detect = new DetectUserLanguagesEvent($site, $request); |
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$this->eventDispatcher->dispatch($detect); |
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if ($detect->getUserLanguages()->isEmpty()) { |
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throw new NoUserLanguagesException(); |
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} |
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$negotiate = new NegotiateSiteLanguageEvent($site, $request, $detect->getUserLanguages()); |
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$this->eventDispatcher->dispatch($negotiate); |
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$selectedLanguage = $negotiate->getSelectedLanguage(); |
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if ($selectedLanguage === null) { |
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return new JsonResponse($site->getDefaultLanguage()->toArray()); |
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} |
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return new JsonResponse($selectedLanguage->toArray()); |
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} |
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} |
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