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<?php |
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namespace PSFS\base\extension; |
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use PSFS\base\config\Config; |
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use PSFS\base\Logger; |
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use PSFS\base\Security; |
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use PSFS\base\types\helpers\I18nHelper; |
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use PSFS\base\types\helpers\Inspector; |
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use PSFS\base\types\traits\SingletonTrait; |
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use Twig\Extension\AbstractExtension; |
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use Twig\TokenParser\BlockTokenParser; |
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use Twig\TwigFilter; |
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/** |
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* Class CustomTranslateExtension |
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* @package PSFS\base\extension |
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*/ |
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class CustomTranslateExtension extends AbstractExtension |
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{ |
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use SingletonTrait; |
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const CUSTOM_LOCALE_SESSION_KEY = '__PSFS_CUSTOM_LOCALE_KEY__'; |
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const LOCALE_CACHED_VERSION = '__PSFS_LOCALE_VERSION__'; |
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const LOCALE_CACHED_TAG = '__PSFS_TRANSLATIONS__'; |
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/** |
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* @var array |
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*/ |
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protected static $translations = []; |
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/** |
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* @var string |
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*/ |
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protected static $locale = 'es_ES'; |
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/** |
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* @var bool |
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*/ |
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protected static $generate = false; |
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/** |
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* @var string |
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*/ |
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protected static $filename = ''; |
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/** |
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* @return array|mixed |
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*/ |
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protected static function extractBaseTranslations() |
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{ |
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// Gather always the base translations |
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$standardTranslations = []; |
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self::$filename = implode(DIRECTORY_SEPARATOR, [LOCALE_DIR, 'custom', self::$locale . '.json']); |
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if (file_exists(self::$filename)) { |
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$standardTranslations = json_decode(file_get_contents(self::$filename), true); |
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} |
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return $standardTranslations; |
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} |
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/** |
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* @param string $customKey |
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* @param bool $forceReload |
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* @param bool $useBase |
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*/ |
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protected static function translationsCheckLoad($customKey = null, $forceReload = false, $useBase = false) |
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{ |
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Inspector::stats('[translationsCheckLoad] Start checking translations load', Inspector::SCOPE_DEBUG); |
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$session = Security::getInstance(); |
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self::$locale = I18nHelper::extractLocale($session->getSessionKey(I18nHelper::PSFS_SESSION_LANGUAGE_KEY)); |
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$version = $session->getSessionKey(self::LOCALE_CACHED_VERSION); |
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$configVersion = self::$locale . '_' . Config::getParam('cache.var', 'v1'); |
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if ($forceReload) { |
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Inspector::stats('[translationsCheckLoad] Force translations reload', Inspector::SCOPE_DEBUG); |
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self::dropInstance(); |
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$version = null; |
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self::$translations = []; |
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} |
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if(count(self::$translations) === 0) { |
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Inspector::stats('[translationsCheckLoad] Extracting translations', Inspector::SCOPE_DEBUG); |
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self::$generate = (boolean)Config::getParam('i18n.autogenerate', false); |
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if(null !== $version && $version === $configVersion) { |
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Inspector::stats('[translationsCheckLoad] Translations loaded from session', Inspector::SCOPE_DEBUG); |
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self::$translations = $session->getSessionKey(self::LOCALE_CACHED_TAG); |
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} else { |
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if (!$useBase) { |
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$customKey = $customKey ?: $session->getSessionKey(self::CUSTOM_LOCALE_SESSION_KEY); |
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} |
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$standardTranslations = self::extractBaseTranslations(); |
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// If the project has custom translations, gather them |
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if (null !== $customKey) { |
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Logger::log('[' . self::class . '] Custom key detected: ' . $customKey, LOG_INFO); |
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self::$filename = implode(DIRECTORY_SEPARATOR, [LOCALE_DIR, 'custom', $customKey, self::$locale . '.json']); |
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} |
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// Finally we merge base and custom translations to complete all the i18n set |
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if (file_exists(self::$filename)) { |
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Logger::log('[' . self::class . '] Custom locale detected: ' . $customKey . ' [' . self::$locale . ']', LOG_INFO); |
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self::$translations = array_merge($standardTranslations, json_decode(file_get_contents(self::$filename), true)); |
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$session->setSessionKey(self::LOCALE_CACHED_TAG, self::$translations); |
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$session->setSessionKey(self::LOCALE_CACHED_VERSION, $configVersion); |
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} elseif (null !== $customKey) { |
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self::translationsCheckLoad(null, $forceReload, true); |
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} |
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} |
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} |
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Inspector::stats('[translationsCheckLoad] Translations loaded', Inspector::SCOPE_DEBUG); |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function getTokenParsers() |
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{ |
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return [new BlockTokenParser()]; |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function getFilters() |
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{ |
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return array( |
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new TwigFilter('trans', function ($message) { |
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return self::_($message); |
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}), |
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); |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function getName() |
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{ |
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return 'PSFSi18n'; |
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} |
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/** |
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* @param $message |
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* @param string $customKey |
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* @param bool $forceReload |
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* @return mixed|string |
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*/ |
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public static function _($message, $customKey = null, $forceReload = false) |
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{ |
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if(0 === count(self::$translations) || $forceReload) { |
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self::translationsCheckLoad($customKey, $forceReload); |
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} |
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if (is_array(self::$translations) && array_key_exists($message, self::$translations)) { |
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$translation = self::$translations[$message]; |
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} else { |
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$translation = gettext($message); |
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} |
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if (self::$generate) { |
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self::generate($message, $translation); |
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} |
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return $translation; |
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} |
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/** |
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* @param string $message |
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* @param string $translation |
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*/ |
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protected static function generate($message, $translation) |
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{ |
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if (!array_key_exists($message, self::$translations)) { |
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self::$translations[$message] = $translation; |
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} |
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file_put_contents(self::$filename, json_encode(array_unique(self::$translations), JSON_UNESCAPED_UNICODE | JSON_PRETTY_PRINT)); |
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} |
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} |
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psfs /
core
