<?php

namespace frontend\models;

use backend\modules\products\models\Products;
use Yii;
use yii\base\Model;

class CartItem extends Model{
    public $product_id;
    public $qty;
    public $variant_1;
    public $variant_2;

    public function rules()
    {
        return [
            [['product_id','qty','variant_1','variant_2'], 'safe']
        ];
    }

    public function getProduct(){
        return Products::findOne($this->product_id);
    }

    public function getSubtotal(){
        return $this->product->getPrice($this->variant_1,$this->variant_2)*$this->qty;
    }

    public function getPrice(){
        return $this->product->getPrice($this->variant_1,$this->variant_2);
    }
}