137 lines
5.5 KiB
PHP
137 lines
5.5 KiB
PHP
<?php
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namespace BookStack\Translation;
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use Illuminate\Http\Request;
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class LanguageManager
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{
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/**
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* Array of right-to-left language options.
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*/
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protected array $rtlLanguages = ['ar', 'fa', 'he'];
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/**
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* Map of BookStack language names to best-estimate ISO and windows locale names.
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* Locales can often be found by running `locale -a` on a linux system.
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* Windows locales can be found at:
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* https://docs.microsoft.com/en-us/cpp/c-runtime-library/language-strings?view=msvc-170.
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*
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* @var array<string, array{iso: string, windows: string}>
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*/
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protected array $localeMap = [
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'ar' => ['iso' => 'ar', 'windows' => 'Arabic'],
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'bg' => ['iso' => 'bg_BG', 'windows' => 'Bulgarian'],
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'bs' => ['iso' => 'bs_BA', 'windows' => 'Bosnian (Latin)'],
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'ca' => ['iso' => 'ca', 'windows' => 'Catalan'],
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'cs' => ['iso' => 'cs_CZ', 'windows' => 'Czech'],
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'da' => ['iso' => 'da_DK', 'windows' => 'Danish'],
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'de' => ['iso' => 'de_DE', 'windows' => 'German'],
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'de_informal' => ['iso' => 'de_DE', 'windows' => 'German'],
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'en' => ['iso' => 'en_GB', 'windows' => 'English'],
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'el' => ['iso' => 'el_GR', 'windows' => 'Greek'],
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'es' => ['iso' => 'es_ES', 'windows' => 'Spanish'],
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'es_AR' => ['iso' => 'es_AR', 'windows' => 'Spanish'],
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'et' => ['iso' => 'et_EE', 'windows' => 'Estonian'],
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'eu' => ['iso' => 'eu_ES', 'windows' => 'Basque'],
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'fa' => ['iso' => 'fa_IR', 'windows' => 'Persian'],
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'fr' => ['iso' => 'fr_FR', 'windows' => 'French'],
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'he' => ['iso' => 'he_IL', 'windows' => 'Hebrew'],
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'hr' => ['iso' => 'hr_HR', 'windows' => 'Croatian'],
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'hu' => ['iso' => 'hu_HU', 'windows' => 'Hungarian'],
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'id' => ['iso' => 'id_ID', 'windows' => 'Indonesian'],
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'it' => ['iso' => 'it_IT', 'windows' => 'Italian'],
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'ja' => ['iso' => 'ja', 'windows' => 'Japanese'],
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'ko' => ['iso' => 'ko_KR', 'windows' => 'Korean'],
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'lt' => ['iso' => 'lt_LT', 'windows' => 'Lithuanian'],
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'lv' => ['iso' => 'lv_LV', 'windows' => 'Latvian'],
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'nl' => ['iso' => 'nl_NL', 'windows' => 'Dutch'],
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'nb' => ['iso' => 'nb_NO', 'windows' => 'Norwegian (Bokmal)'],
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'pl' => ['iso' => 'pl_PL', 'windows' => 'Polish'],
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'pt' => ['iso' => 'pt_PT', 'windows' => 'Portuguese'],
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'pt_BR' => ['iso' => 'pt_BR', 'windows' => 'Portuguese'],
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'ro' => ['iso' => 'ro_RO', 'windows' => 'Romanian'],
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'ru' => ['iso' => 'ru', 'windows' => 'Russian'],
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'sk' => ['iso' => 'sk_SK', 'windows' => 'Slovak'],
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'sl' => ['iso' => 'sl_SI', 'windows' => 'Slovenian'],
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'sv' => ['iso' => 'sv_SE', 'windows' => 'Swedish'],
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'uk' => ['iso' => 'uk_UA', 'windows' => 'Ukrainian'],
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'vi' => ['iso' => 'vi_VN', 'windows' => 'Vietnamese'],
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'zh_CN' => ['iso' => 'zh_CN', 'windows' => 'Chinese (Simplified)'],
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'zh_TW' => ['iso' => 'zh_TW', 'windows' => 'Chinese (Traditional)'],
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'tr' => ['iso' => 'tr_TR', 'windows' => 'Turkish'],
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];
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/**
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* Get the language specifically for the currently logged-in user if available.
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*/
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public function getUserLanguage(Request $request, string $default): string
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{
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try {
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$user = user();
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} catch (\Exception $exception) {
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return $default;
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}
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if ($user->isDefault() && config('app.auto_detect_locale')) {
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return $this->autoDetectLocale($request, $default);
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}
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return setting()->getUser($user, 'language', $default);
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}
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/**
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* Check if the given BookStack language value is a right-to-left language.
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*/
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public function isRTL(string $language): bool
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{
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return in_array($language, $this->rtlLanguages);
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}
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/**
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* Autodetect the visitors locale by matching locales in their headers
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* against the locales supported by BookStack.
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*/
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protected function autoDetectLocale(Request $request, string $default): string
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{
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$availableLocales = config('app.locales');
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foreach ($request->getLanguages() as $lang) {
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if (in_array($lang, $availableLocales)) {
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return $lang;
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}
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}
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return $default;
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}
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/**
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* Get the ISO version of a BookStack language name.
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*/
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public function getIsoName(string $language): string
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{
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return $this->localeMap[$language]['iso'] ?? $language;
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}
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/**
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* Set the system date locale for localized date formatting.
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* Will try both the standard locale name and the UTF8 variant.
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*/
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public function setPhpDateTimeLocale(string $language): void
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{
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$isoLang = $this->localeMap[$language]['iso'] ?? '';
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$isoLangPrefix = explode('_', $isoLang)[0];
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$locales = array_values(array_filter([
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$isoLang ? $isoLang . '.utf8' : false,
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$isoLang ?: false,
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$isoLang ? str_replace('_', '-', $isoLang) : false,
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$isoLang ? $isoLangPrefix . '.UTF-8' : false,
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$this->localeMap[$language]['windows'] ?? false,
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$language,
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]));
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if (!empty($locales)) {
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setlocale(LC_TIME, $locales[0], ...array_slice($locales, 1));
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}
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}
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}
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