namespace Sale Handlers Delivery use Bitrix Sale Delivery CalculationR

<?
namespace Sale\Handlers\Delivery;

use Bitrix\Sale\Delivery\CalculationResult;
use Bitrix\Sale\Delivery\Services\Base;

class KmdistanceHandler extends Base
{
    public static function getClassTitle()
        {
            return 'Доставка по километражу';
        }

    public static function getClassDescription()
        {
            return 'Доставка, стоимость которой зависит от расстояния';
        }

    protected function calculateConcrete(\Bitrix\Sale\Shipment $shipment)
        {
            $result = new CalculationResult();
            $price = floatval($this->config["MAIN"]["PRICE"]);
            $order = $shipment->getCollection()->getOrder();
            $props = $order->getPropertyCollection();
            $distance = $props->getItemByOrderPropertyId(21);
            // формат 10:105;20:200;30:450  $this->config['MAIN']['PRICE_KM']
            $prices = explode(';', $this->config['MAIN']['PRICE_KM']);
            foreach ($prices as $pricePairStr) {
              $pricePair = explode(':', $pricePairStr);
              $resultPrice[$pricePair[0]] = $pricePair[1];
            }
            ksort($resultPrice);
            if ($distance->getValue() == 0) {
              $price = 0; // если дистанция не найдена яндексом
            } else {
              foreach ($resultPrice as $key => $value) {
                if($distance->getValue() < $key) {
                  $price = $value;
                  break;
                }
              }
            }

            $result->setDeliveryPrice(roundEx($price, 2));

            return $result;
        }

    protected function getConfigStructure()
        {
            return array(
                "MAIN" => array(
                    "TITLE" => 'Настройка обработчика',
                    "DESCRIPTION" => 'Настройка обработчика',
                    "ITEMS" => array(
                        "PRICE_KM" => array(
                                    "TYPE" => "STRING",
                                    "MIN" => 0,
                                    "NAME" => 'Стоимость доставки (маска 10:150;20:200;30:450)'
                        ),

                    )
                )
            );
        }

    public function isCalculatePriceImmediately()
        {
            return true;
        }

    public static function whetherAdminExtraServicesShow()
        {
            return true;
        }
}
?>