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<?php |
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namespace Thinktomorrow\Locale; |
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use Illuminate\Http\Request; |
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use Thinktomorrow\Locale\Detectors\FallbackDetector; |
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use Thinktomorrow\Locale\Detectors\HiddenSegmentDetector; |
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use Thinktomorrow\Locale\Detectors\QueryDetector; |
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use Thinktomorrow\Locale\Detectors\SegmentDetector; |
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use Thinktomorrow\Locale\Values\ApplicationLocale; |
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use Thinktomorrow\Locale\Values\Config; |
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use Thinktomorrow\Locale\Values\Locale; |
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final class Detect |
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{ |
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/** |
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* @var Request |
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*/ |
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private $request; |
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/** |
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* @var Config |
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*/ |
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private $config; |
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/** |
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* @var Locale |
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*/ |
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private $locale; |
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/** |
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* Current scope of locales. |
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* |
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* @var Scope |
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*/ |
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private $scope; |
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public function __construct(Request $request, Config $config) |
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{ |
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$this->request = $request; |
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$this->config = $config; |
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} |
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/** |
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* Detect the locale from current request url. |
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* Once the locale has been determined, it will be set as the application locale. |
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* A locale is only validated if it is present within the current locale scope. |
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* |
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* Detection honours following priority: |
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* 1) If locale is found in request as query parameter e.g. ?locale=fr, |
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* 2) If locale is found in request url, either from host or segment eg. nl.example.com, example.nl or example.com/nl |
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* 3) Otherwise set locale to our fallback language (app.locale) |
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*/ |
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public function detectLocale(): self |
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{ |
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$locale = null; |
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$detectors = [ |
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FallbackDetector::class, |
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HiddenSegmentDetector::class, |
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SegmentDetector::class, |
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QueryDetector::class, |
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]; |
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foreach ($detectors as $detector) { |
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$locale = app($detector)->get($this->getScope(), $this->config) ?? $locale; |
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} |
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$this->locale = $locale; |
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Scope::setActiveLocale($locale); |
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$this->setApplicationLocale(); |
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return $this; |
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} |
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public function getLocale(): Locale |
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{ |
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if (!$this->locale) { |
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$this->detectLocale(); |
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} |
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return $this->locale; |
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} |
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public function getScope(): Scope |
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{ |
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if (!$this->scope) { |
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$this->detectScope(); |
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} |
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return $this->scope; |
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} |
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public function getConfig(): Config |
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{ |
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return $this->config; |
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} |
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/** |
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* This is handy for setting allowed scope via other source than config file. |
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* this can be configurable from a cms. |
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* |
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* @param Scope|null $scope |
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* |
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* @return $this |
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*/ |
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public function setScope(Scope $scope = null) |
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{ |
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if ($scope) { |
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$this->scope = $scope; |
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} |
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return $this; |
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} |
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private function detectScope() |
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{ |
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$this->scope = ScopeCollection::fromConfig($this->config)->findByRoot($this->request->root()); |
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} |
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private function setApplicationLocale() |
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{ |
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$applicationLocale = ApplicationLocale::from($this->locale); |
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app()->setLocale($applicationLocale->__toString()); |
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} |
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} |
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thinktomorrow /
locale
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