Order::beforeValidate PHP Méthode

    public function beforeValidate()
    {
        if ($this->getScenario() === self::SCENARIO_USER) {
            if (!$this->hasProducts) {
                $this->addError('products', Yii::t('OrderModule.order', 'There are no selected products'));
            }
        }
        return parent::beforeValidate();
    }