public function init()
{
parent::init();
$mobile_detect = new MobileDetect();
$this->is_mobile = $mobile_detect->isMobile();
$this->is_tablet = $mobile_detect->isTablet();
// Yii::$app->language = 'vi-VN';
$language = Language::getLanguage();
$language_data = $language->getLanguageData();
$currency_params = $language->getDefaultCurrencyParams();
I18n::setLanguageData($language_data);
I18n::setCurrencyParams($currency_params);
Yii::$app->session->set('language_id', $language->id);
$this->meta_index = 'index';
$this->meta_follow = 'follow';
$this->page_title = I18n::t('{page title}');
$this->meta_title = I18n::t('{meta title}');
$this->meta_description = I18n::t('{meta description}');
$this->meta_keywords = I18n::t('{meta keywords}');
$this->meta_image = Yii::$app->params['default_image'];
Yii::$app->session->has('cart') or Yii::$app->session->set('cart', new Cart());
}
