/**
* @return object
* @throws \yii\base\InvalidConfigException
*/
protected static function getSession()
{
if (is_null(static::$session)) {
static::$session = Instance::ensure(static::$session, Session::className());
}
return static::$session;
}
/**
* @inheritdoc
*/
public function init()
{
parent::init();
if ($this->session === null) {
if (Yii::$app->has('session')) {
$this->session = Yii::$app->get('session');
}
} else {
$this->session = Instance::ensure($this->session, Session::className());
}
}
/**
* Saves cart to the session
*/
public function saveToSession()
{
$this->session = Instance::ensure($this->session, Session::className());
$this->session[$this->cartId] = $this->getSerialized();
}
