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My products have a base price, but each product can have additional fees, like costs for the packaging or for special delivery conditions (Dangerous Goods Fee). How can I calculate the final product price dynamically by using all my costs?

Christian

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  1. Create a sales.xml file under <NAMESPACE>/<MODULE_NAME>/etc folder and add the below code over there.

    <config xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
        xsi:noNamespaceSchemaLocation="urn:magento:module:Magento_Sales:etc/sales.xsd">
    <section name="quote">
        <group name="totals">
            <item name="customer_discount" instance="<NAMESPACE>\<MODULE_NAME>\Model\Total\Quote\<CLASS_NAME>" sort_order="420"/>
        </group>
    </section>
    

  2. Now create the class on the above mention path.

    namespace Vendor\Module\Model\Total\Quote;
    
    class CLASS_NAME extends \Magento\Quote\Model\Quote\Address\Total\AbstractTotal
    {
    
    protected $priceCurrency;
    
    public function __construct(
            \Magento\Framework\Pricing\PriceCurrencyInterface $priceCurrency
        ) {
            $this->priceCurrency = $priceCurrency;
            $this->setCode('customer_discount');
        }
    
    public function collect(
            \Magento\Quote\Model\Quote $quote,
            \Magento\Quote\Api\Data\ShippingAssignmentInterface $shippingAssignment,
            \Magento\Quote\Model\Quote\Address\Total $total
        ) {
        $address = $shippingAssignment->getShipping()->getAddress();
        if ($address->getAddressType() != 'shipping') {
            return $this;
        }
        parent::collect($quote, $shippingAssignment, $total);
        $baseDiscount = 10;
        $discount = 10;
        $total->addTotalAmount('customer_discount', -$discount);
        $total->addBaseTotalAmount('customer_discount', -$baseDiscount);
        return $this;
    }
    
    public function fetch(\Magento\Quote\Model\Quote $quote, \Magento\Quote\Model\Quote\Address\Total $total) {
        if ($quote->getActualMycardDiscount()) {
            $data = [
            'code' => 'customer_discount',
            'title' => 'customer discount',
            'value' => 10
            ];
            return $data;
            }
        }
    }
    
  3. You need to generate dynamic value for $baseDiscount and $discount.

| improve this answer | |
  • I want to explain more what I need. I have added two price attributes: cost_packaging and cost_transport_dangerous_good. No I want to us as product price: price + cost_packaging + cost_transport_dangerous_good. This calculated price should be used for the whole order process and should replace the default product price – Dr. Christian Kusche May 30 at 3:02

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