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| 1 | <?php |
| 2 | |
| 3 | namespace BO\Slim; |
| 4 | |
| 5 | use Psr\Http\Message\RequestInterface; |
| 6 | use Symfony\Bridge\Twig\Extension\TranslationExtension; |
| 7 | |
| 8 | class Language |
| 9 | { |
| 10 | public static $supportedLanguages = array(); |
| 11 | |
| 12 | public $current = ''; |
| 13 | |
| 14 | protected $currentLocale = ''; |
| 15 | |
| 16 | protected $default = ''; |
| 17 | |
| 18 | protected static $translatorInstance = null; |
| 19 | |
| 20 | public function __construct(RequestInterface $request, array $supportedLanguages) |
| 21 | { |
| 22 | self::$supportedLanguages = $supportedLanguages; |
| 23 | $this->current = $this->getLanguageFromRequest($request); |
| 24 | $fallbackLocale = $this->getLocale($this->getDefault()); |
| 25 | $this->currentLocale = $this->getLocale($this->getCurrentLanguage()); |
| 26 | $this->setCurrentLocale(); |
| 27 | $defaultLang = $this->getDefault(); |
| 28 | |
| 29 | if ( |
| 30 | \App::MULTILANGUAGE |
| 31 | || (strlen($fallbackLocale) > 0 && strlen($this->currentLocale) > 0 && strlen($defaultLang) > 0) |
| 32 | ) { |
| 33 | if (null === self::$translatorInstance) { |
| 34 | self::$translatorInstance = (new LanguageTranslator( |
| 35 | $fallbackLocale, |
| 36 | $this->currentLocale, |
| 37 | $defaultLang |
| 38 | ))->getInstance(); |
| 39 | \BO\Slim\Bootstrap::addTwigExtension(new TranslationExtension(self::$translatorInstance)); |
| 40 | } else { |
| 41 | self::$translatorInstance->setLocale($this->currentLocale); |
| 42 | } |
| 43 | } |
| 44 | } |
| 45 | |
| 46 | public function getDefaultLanguageName() |
| 47 | { |
| 48 | $default = \App::$supportedLanguages[$this->getDefault()]['name'] ?? null; |
| 49 | return $default; |
| 50 | } |
| 51 | |
| 52 | public function getCurrentLanguage($lang = '') |
| 53 | { |
| 54 | $current = (isset(self::$supportedLanguages[$this->current])) ? $this->current : $this->getDefault(); |
| 55 | return ($lang != '') ? $lang : $current; |
| 56 | } |
| 57 | |
| 58 | public function getLocale($locale = '') |
| 59 | { |
| 60 | $locale = ('' == $locale) ? $this->getDefault() : $locale; |
| 61 | if ( |
| 62 | isset(self::$supportedLanguages[$this->getCurrentLanguage($locale)]) && |
| 63 | isset(self::$supportedLanguages[$this->getCurrentLanguage($locale)]['locale']) |
| 64 | ) { |
| 65 | $locale = self::$supportedLanguages[$this->getCurrentLanguage($locale)]['locale']; |
| 66 | } |
| 67 | return $locale; |
| 68 | } |
| 69 | |
| 70 | public function getCurrentLocale() |
| 71 | { |
| 72 | return $this->currentLocale; |
| 73 | } |
| 74 | |
| 75 | public function setCurrentLocale() |
| 76 | { |
| 77 | if (class_exists("Locale")) { |
| 78 | \Locale::setDefault($this->currentLocale); |
| 79 | } |
| 80 | \setlocale(LC_ALL, $this->getLocaleList($this->currentLocale)); |
| 81 | } |
| 82 | |
| 83 | protected function getLocaleList($locale) |
| 84 | { |
| 85 | $localeList[] = $this->getCurrentLanguage(); |
| 86 | $localeList[] = $locale; |
| 87 | $suffixList = ['utf8', 'utf-8']; |
| 88 | foreach ($suffixList as $suffix) { |
| 89 | array_unshift($localeList, $locale . '.' . $suffix); |
| 90 | } |
| 91 | return $localeList; |
| 92 | } |
| 93 | |
| 94 | public function getDefault() |
| 95 | { |
| 96 | if (! $this->default) { |
| 97 | foreach (self::$supportedLanguages as $lang_id => $lang_data) { |
| 98 | if (isset($lang_data['default']) && $lang_data['default']) { |
| 99 | $this->default = $lang_id; |
| 100 | break; |
| 101 | } |
| 102 | } |
| 103 | if (! $this->default) { |
| 104 | reset(self::$supportedLanguages); |
| 105 | $this->default = key(self::$supportedLanguages); |
| 106 | } |
| 107 | } |
| 108 | return $this->default; |
| 109 | } |
| 110 | |
| 111 | // Detect current language based on request URI or Parameter |
| 112 | protected function getLanguageFromRequest(RequestInterface $request) |
| 113 | { |
| 114 | $language = $this->getLanguageFromUri($request); |
| 115 | $route = $request->getAttribute('route'); |
| 116 | |
| 117 | if ($route instanceof \Slim\Routing\Route) { |
| 118 | $lang = $route->getArgument('lang'); |
| 119 | $language = (!empty($lang)) ? $lang : $language; |
| 120 | } |
| 121 | |
| 122 | return $language; |
| 123 | } |
| 124 | |
| 125 | protected function getLanguageFromUri($request) |
| 126 | { |
| 127 | $requestParamLang = $request->getParam('lang'); |
| 128 | return ($requestParamLang) ? $requestParamLang : $this->getDefault(); |
| 129 | } |
| 130 | } |