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<?php |
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namespace Pmochine\LaravelTongue\Localization; |
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use Illuminate\Support\Arr; |
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use Pmochine\LaravelTongue\Misc\Config; |
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use Pmochine\LaravelTongue\Misc\Cookie; |
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use Pmochine\LaravelTongue\Misc\Url; |
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class Localization |
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{ |
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/** |
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* The goal is to find the language (the locale). |
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* We look at the subdomain or in the cookies or browser language. |
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* |
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* @return string [Finds the locale of the url] |
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*/ |
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public static function decipherTongue() |
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{ |
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$locale = self::fromUrl(); |
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// there is no subdomain found |
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if ($locale === false) { |
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// this could be a future bug |
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// when no middleware is active the language is not set right |
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// domain.com could be in german etc... |
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if (! Config::beautify()) { |
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// if the middleware is active we should be redirected to en.domain.com |
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// if not the fallback language is going to be used |
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return Config::fallbackLocale(); |
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} |
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// we are checking if we have languages set in cookies or in the browser |
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return self::currentTongue(); |
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} |
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// could be a custom subdomain |
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if (! tongue()->isSpeaking($locale)) { |
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// check if it is a white listed domain |
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if (tongue()->speaking('subdomains', $locale)) { |
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return self::currentTongue(); |
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} |
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// check if we have a custom locale subdomain, if not it returns a null |
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$locale = tongue()->speaking('aliases', $locale) ?: $locale; |
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} |
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return $locale; |
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} |
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/** |
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* Gets the locale from the url. |
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* |
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* @return string|bool false [when hostname===locale] |
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*/ |
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public static function fromUrl() |
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{ |
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return Url::hasSubdomain() ? Url::subdomain() : false; |
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} |
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/** |
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* Tries to get the current locale of the user. |
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* Via the Browser or the fallback language. |
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* |
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* @return string |
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*/ |
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public static function currentTongue(): string |
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{ |
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if (Config::cookieLocalization() && $locale = self::cookie()) { |
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return $locale; |
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} |
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if (Config::acceptLanguage() && self::languageIsSet()) { |
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$detector = new TongueDetector(Config::fallbackLocale(), Config::supportedLocales(), request()); |
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return $detector->negotiateLanguage(); |
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} |
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return Config::fallbackLocale(); |
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} |
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/** |
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* Only for testing the TongueDetector. |
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* |
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* @return bool |
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*/ |
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protected static function languageIsSet(): bool |
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{ |
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return ! app()->runningInConsole() || Arr::has(request()->server(), 'HTTP_ACCEPT_LANGUAGE'); |
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} |
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/** |
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* Sets or gets the cookie of the locale. |
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* Important to set config/session domain to .exmaple.com |
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* https://gistlog.co/JacobBennett/15558410de2a394373ac. |
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* |
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* @param string $locale |
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* @return string|null |
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*/ |
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public static function cookie(string $locale = null): ?string |
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{ |
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$cookie = new Cookie('tongue-locale', Config::cookieSerialize()); //Name of the cookie |
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if ($locale !== null) { |
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$cookie->save($locale); |
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return null; |
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} |
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return $cookie->get(); |
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} |
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} |
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pmochine /
Laravel-Tongue
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