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<?php |
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namespace Backend\Core\Language; |
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use Backend\Core\Engine\Model; |
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use Backend\Modules\Locale\Engine\Model as BackendLocaleModel; |
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use RuntimeException; |
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use Symfony\Component\DependencyInjection\Exception\ServiceNotFoundException; |
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/** |
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* This class will store the language-dependant content for the Backend, it will also store the |
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* current language for the user. |
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*/ |
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class Language |
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{ |
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/** |
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* The errors |
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* |
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* @var array |
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*/ |
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protected static $err = []; |
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/** |
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* The labels |
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* |
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* @var array |
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*/ |
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protected static $lbl = []; |
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/** |
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* The messages |
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* |
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* @var array |
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*/ |
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protected static $msg = []; |
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/** |
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* The active languages |
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* |
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* @var array |
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*/ |
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protected static $activeLanguages; |
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/** |
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* The current interface-language |
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* |
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* @var string |
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*/ |
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protected static $currentInterfaceLanguage; |
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/** |
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* The current language that the user is working with |
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* |
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* @var string |
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*/ |
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protected static $currentWorkingLanguage; |
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public static function getActiveLanguages(): array |
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{ |
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// validate the cache |
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if (empty(self::$activeLanguages)) { |
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self::$activeLanguages = (array) Model::get('fork.settings')->get('Core', 'active_languages'); |
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} |
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// return from cache |
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return self::$activeLanguages; |
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} |
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/** |
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* Get all active languages in a format usable by SpoonForm's addRadioButton |
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* |
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* @return array |
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*/ |
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public static function getCheckboxValues(): array |
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{ |
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$languages = self::getActiveLanguages(); |
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$results = []; |
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// stop here if no languages are present |
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if (empty($languages)) { |
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return []; |
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} |
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// addRadioButton requires an array with keys 'value' and 'label' |
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foreach ($languages as $abbreviation) { |
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$results[] = [ |
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'value' => $abbreviation, |
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'label' => self::lbl(mb_strtoupper($abbreviation)), |
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]; |
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} |
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return $results; |
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} |
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public static function getCurrentModule(): string |
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{ |
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// Needed to make it possible to use the backend language in the console. |
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if (!defined('APPLICATION') || APPLICATION === 'Console') { |
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return 'Core'; |
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} |
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if (Model::getContainer()->has('url')) { |
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return Model::get('url')->getModule(); |
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} |
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if (Model::requestIsAvailable() && Model::getRequest()->query->has('module')) { |
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return Model::getRequest()->query->get('module'); |
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} |
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return 'Core'; |
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} |
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public static function getError(string $key, string $module = null): string |
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{ |
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$module = $module ?? self::getCurrentModule(); |
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$key = \SpoonFilter::toCamelCase($key); |
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// check if the error exists |
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if (isset(self::$err[$module][$key])) { |
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return self::$err[$module][$key]; |
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} |
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// check if the error exists in the Core |
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if (isset(self::$err['Core'][$key])) { |
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return self::$err['Core'][$key]; |
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} |
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// otherwise return the key in label-format |
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return '{$err' . \SpoonFilter::toCamelCase($module) . $key . '}'; |
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} |
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public static function getErrors(): array |
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{ |
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return self::$err; |
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} |
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public static function getInterfaceLanguage(): string |
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{ |
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if (self::$currentInterfaceLanguage === null) { |
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self::$currentInterfaceLanguage = Model::getContainer()->getParameter('site.default_language'); |
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} |
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return self::$currentInterfaceLanguage; |
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} |
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public static function getInterfaceLanguages(): array |
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{ |
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$languages = []; |
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// grab the languages from the settings & loop language to reset the label |
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foreach ((array) Model::get('fork.settings')->get('Core', 'interface_languages', ['en']) as $key) { |
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// fetch language's translation |
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$languages[$key] = self::getLabel(mb_strtoupper($key), 'Core'); |
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} |
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// sort alphabetically |
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asort($languages); |
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// return languages |
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return $languages; |
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} |
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public static function getLabel(string $key, string $module = null): string |
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{ |
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$module = $module ?? self::getCurrentModule(); |
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$key = \SpoonFilter::toCamelCase($key); |
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// check if the label exists |
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if (isset(self::$lbl[$module][$key])) { |
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return self::$lbl[$module][$key]; |
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} |
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// check if the label exists in the Core |
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if (isset(self::$lbl['Core'][$key])) { |
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return self::$lbl['Core'][$key]; |
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} |
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// otherwise return the key in label-format |
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return '{$lbl' . \SpoonFilter::toCamelCase($module) . $key . '}'; |
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} |
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public static function getLabels(): array |
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{ |
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return self::$lbl; |
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} |
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public static function getMessage(string $key, string $module = null): string |
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{ |
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$key = \SpoonFilter::toCamelCase((string) $key); |
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$module = $module ?? self::getCurrentModule(); |
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// check if the message exists |
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if (isset(self::$msg[$module][$key])) { |
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return self::$msg[$module][$key]; |
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} |
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// check if the message exists in the Core |
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if (isset(self::$msg['Core'][$key])) { |
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return self::$msg['Core'][$key]; |
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} |
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// otherwise return the key in label-format |
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return '{$msg' . \SpoonFilter::toCamelCase($module) . $key . '}'; |
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} |
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public static function getMessages(): array |
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{ |
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return self::$msg; |
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} |
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public static function getWorkingLanguage(): string |
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{ |
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if (self::$currentWorkingLanguage === null) { |
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self::$currentWorkingLanguage = Model::getContainer()->getParameter('site.default_language'); |
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} |
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return self::$currentWorkingLanguage; |
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} |
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public static function getWorkingLanguages(): array |
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{ |
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$languages = []; |
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// grab the languages from the settings & loop language to reset the label |
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foreach ((array) Model::get('fork.settings')->get('Core', 'languages', ['en']) as $key) { |
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// fetch the language's translation |
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$languages[$key] = self::getLabel(mb_strtoupper($key), 'Core'); |
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} |
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// sort alphabetically |
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asort($languages); |
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return $languages; |
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} |
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/** |
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* Set locale |
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* It will require the correct file and init the needed vars |
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* |
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* @param string $language The language to load. |
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*/ |
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public static function setLocale(string $language): void |
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{ |
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$application = (!defined('APPLICATION') || APPLICATION === 'Console') ? 'Backend' : APPLICATION; |
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// validate file, generate it if needed |
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if (!is_file(BACKEND_CACHE_PATH . '/Locale/en.json')) { |
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BackendLocaleModel::buildCache('en', $application); |
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} |
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if (!is_file(BACKEND_CACHE_PATH . '/Locale/' . $language . '.json')) { |
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// if you use the language in the console act like it is in the backend |
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BackendLocaleModel::buildCache($language, $application); |
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} |
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// store |
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self::$currentInterfaceLanguage = $language; |
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// attempt to set a cookie |
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try { |
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// Needed to make it possible to use the backend language in the console. |
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if (defined('APPLICATION') && APPLICATION !== 'Console') { |
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Model::getContainer()->get('fork.cookie')->set('interface_language', $language); |
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} |
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} catch (RuntimeException|ServiceNotFoundException $e) { |
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// settings cookies isn't allowed, because this isn't a real problem we ignore the exception |
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} |
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// set English translations, they'll be the fallback |
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$translations = json_decode( |
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file_get_contents(BACKEND_CACHE_PATH . '/Locale/en.json'), |
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true |
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); |
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self::$err = (array) ($translations['err'] ?? []); |
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self::$lbl = (array) ($translations['lbl'] ?? []); |
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self::$msg = (array) ($translations['msg'] ?? []); |
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// overwrite with the requested language's translations |
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$translations = json_decode( |
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file_get_contents(BACKEND_CACHE_PATH . '/Locale/' . $language . '.json'), |
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true |
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); |
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$err = (array) ($translations['err'] ?? []); |
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$lbl = (array) ($translations['lbl'] ?? []); |
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$msg = (array) ($translations['msg'] ?? []); |
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foreach ($err as $module => $translations) { |
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if (!isset(self::$err[$module])) { |
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self::$err[$module] = []; |
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} |
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self::$err[$module] = array_merge(self::$err[$module], $translations); |
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} |
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foreach ($lbl as $module => $translations) { |
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if (!isset(self::$lbl[$module])) { |
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self::$lbl[$module] = []; |
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} |
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self::$lbl[$module] = array_merge(self::$lbl[$module], $translations); |
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} |
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foreach ($msg as $module => $translations) { |
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if (!isset(self::$msg[$module])) { |
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self::$msg[$module] = []; |
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} |
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self::$msg[$module] = array_merge(self::$msg[$module], $translations); |
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} |
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} |
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/** |
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* @param string $language The language to use, if not provided we will use the working language. |
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*/ |
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public static function setWorkingLanguage(string $language): void |
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{ |
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self::$currentWorkingLanguage = $language; |
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} |
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public static function err(string $key, string $module = null): string |
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{ |
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return self::getError($key, $module); |
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} |
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public static function lbl(string $key, string $module = null): string |
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{ |
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return self::getLabel($key, $module); |
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} |
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public static function msg(string $key, string $module = null): string |
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{ |
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return self::getMessage($key, $module); |
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} |
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public static function isActiveLanguage(string $language): bool |
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{ |
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return in_array($language, self::getActiveLanguages(), true); |
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} |
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} |
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