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<?php |
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/** |
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* @copyright Copyright (C) eZ Systems AS. All rights reserved. |
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* @license For full copyright and license information view LICENSE file distributed with this source code. |
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*/ |
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declare(strict_types=1); |
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namespace eZ\Publish\Core\MVC\Symfony\Locale; |
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use Symfony\Component\HttpFoundation\Request; |
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use Symfony\Component\HttpFoundation\RequestStack; |
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class UserLanguagePreferenceProvider implements UserLanguagePreferenceProviderInterface |
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{ |
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/** |
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* @var \Symfony\Component\HttpFoundation\RequestStack |
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*/ |
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private $requestStack; |
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/** |
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* @var array |
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*/ |
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private $languageCodesMap; |
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/** |
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* @param \Symfony\Component\HttpFoundation\RequestStack $requestStack |
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* @param array $languageCodesMap |
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*/ |
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public function __construct(RequestStack $requestStack, array $languageCodesMap) |
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{ |
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$this->requestStack = $requestStack; |
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$this->languageCodesMap = $languageCodesMap; |
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} |
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public function getPreferredLocales(Request $request = null): array |
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{ |
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$request = $request ?? $this->requestStack->getCurrentRequest(); |
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$preferredLocales = $request->headers->get('Accept-Language') ?? ''; |
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$preferredLocales = array_reduce( |
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explode(',', $preferredLocales), |
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function (array $result, string $languageWithQuality) { |
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[$language, $quality] = array_merge(explode(';q=', $languageWithQuality), [1]); |
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$result[$language] = (float) $quality; |
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return $result; |
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}, |
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[] |
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); |
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arsort($preferredLocales); |
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return array_keys($preferredLocales); |
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} |
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public function getPreferredLanguages(): array |
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{ |
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$languageCodes = []; |
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foreach ($this->getPreferredLocales() as $locale) { |
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$locale = strtolower($locale); |
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if (isset($this->languageCodesMap[$locale])) { |
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$languageCodes = array_merge($languageCodes, $this->languageCodesMap[$locale]); |
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} elseif (preg_match('/^([a-z]{3})-([a-z]{2})$/', $locale, $matches)) { |
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// if the given locale is already in the eZ format |
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$languageCodes[] = strtolower($matches[1]) . '-' . strtoupper($matches[2]); |
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} |
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} |
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return array_unique($languageCodes); |
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} |
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} |
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ezsystems /
ezpublish-kernel
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