Yarik / artbox-language

  <?php
      namespace artweb\artbox\language\components;
      
      use artweb\artbox\language\models\Language;

      use yii\web\NotFoundHttpException;

      use yii\web\UrlManager;
      
      class LanguageUrlManager extends UrlManager
      {

          /**
           * @var array
           */
          public $badGetParams = [];
          
          public function parseRequest($request)
          {
              foreach ($request->get() as $param => $value) {
                  if (in_array($param, $this->badGetParams)) {
                      throw new NotFoundHttpException();
                  }
              }
              
              return parent::parseRequest($request);
          }

          
          /**
           * @inheritdoc
           */
          public function createUrl($params)
          {

              if (isset($params[ 'language_id' ])) {

                  
                  $language = Language::findOne($params[ 'language_id' ]);

                  if ($language === null) {

                      $language = Language::getDefaultLanguage();
                  }

                  unset($params[ 'language_id' ]);

              } else {
                  
                  $language = Language::getCurrent();
              }
              
              $url = parent::createUrl($params);
              

              if ($url == '/') {

                  return '/' . $language->url;
              } else {
                  return '/' . $language->url . $url;
              }
          }

      }