prepaymentcheck.php

См. документацию.

<?php
 
namespace Bitrix\Sale\Cashbox;
 
use Bitrix\Main;
use Bitrix\Sale\Order;
use Bitrix\Sale\PriceMaths;
 
Main\Localization\Loc::loadMessages(__FILE__);

class PrepaymentCheck extends Check
{
    public static function getType()
    {
        return 'prepayment';
    }

    public static function getCalculatedSign()
    {
        return static::CALCULATED_SIGN_INCOME;
    }

    public static function getName()
    {
        return Main\Localization\Loc::getMessage('SALE_CASHBOX_PREPAYMENT_NAME');
    }

    public static function getSupportedEntityType()
    {
        return static::SUPPORTED_ENTITY_TYPE_PAYMENT;
    }

    public static function getSupportedRelatedEntityType()
    {
        return static::SUPPORTED_ENTITY_TYPE_SHIPMENT;
    }

    protected function extractDataInternal()
    {
        $result = parent::extractDataInternal();
 
        $result = $this->correlatePrices($result);
 
        foreach ($result['PRODUCTS'] as $i => $item)
        {
            $result['PRODUCTS'][$i]['PAYMENT_OBJECT'] = static::PAYMENT_OBJECT_PAYMENT;
        }
 
        if (!empty($result['DELIVERY']) && \is_array($result['DELIVERY']))
        {
            foreach ($result['DELIVERY'] as $i => $item)
            {
                $result['DELIVERY'][$i]['PAYMENT_OBJECT'] = static::PAYMENT_OBJECT_PAYMENT;
            }
        }
 
        return $result;
    }
 
    protected function needPrintMarkingCode($basketItem) : bool
    {
        return false;
    }

    private function correlatePrices($result)
    {
        $paymentSum = 0;
        foreach ($result['PAYMENTS'] as $payment)
        {
            $paymentSum += $payment['SUM'];
        }

        $order = $result['ORDER'];
 
        $rate = $paymentSum / $order->getPrice();
 
        $countProductPositions = $result['PRODUCTS'] ? \count($result['PRODUCTS']) : 0;
        $countDeliveryPositions = $result['DELIVERY'] ? \count($result['DELIVERY']) : 0;
 
        if ($countDeliveryPositions === 0)
        {
            $totalSum = 0;
            for ($i = 0; $i < $countProductPositions - 1; $i++)
            {
                $sum = PriceMaths::roundPrecision($result['PRODUCTS'][$i]['SUM'] * $rate);
                $totalSum += $sum;
                $result['PRODUCTS'][$i]['SUM'] = $sum;
 
                $price = PriceMaths::roundPrecision($sum / $result['PRODUCTS'][$i]['QUANTITY']);
                $result['PRODUCTS'][$i]['BASE_PRICE'] = $result['PRODUCTS'][$i]['PRICE'] = $price;
 
 
                if (isset($result['PRODUCTS'][$i]['DISCOUNT']))
                {
                    unset($result['PRODUCTS'][$i]['DISCOUNT']);
                }
            }
 
            if (isset($result['PRODUCTS']))
            {
                $lastElement = $countProductPositions - 1;
                $result['PRODUCTS'][$lastElement]['SUM'] = PriceMaths::roundPrecision($paymentSum - $totalSum);
                $price = PriceMaths::roundPrecision($result['PRODUCTS'][$lastElement]['SUM'] / $result['PRODUCTS'][$lastElement]['QUANTITY']);
                $result['PRODUCTS'][$lastElement]['BASE_PRICE'] = $result['PRODUCTS'][$lastElement]['PRICE'] = $price;
 
                if (isset($result['PRODUCTS'][$lastElement]['DISCOUNT']))
                {
                    unset($result['PRODUCTS'][$lastElement]['DISCOUNT']);
                }
            }
        }
        else
        {
            $totalSum = 0;
            for ($i = 0; $i < $countProductPositions; $i++)
            {
                $sum = PriceMaths::roundPrecision($result['PRODUCTS'][$i]['SUM'] * $rate);
                $totalSum += $sum;
                $result['PRODUCTS'][$i]['SUM'] = $sum;
 
                $price = PriceMaths::roundPrecision($sum / $result['PRODUCTS'][$i]['QUANTITY']);
                $result['PRODUCTS'][$i]['BASE_PRICE'] = $result['PRODUCTS'][$i]['PRICE'] = $price;
 
                if (isset($result['PRODUCTS'][$i]['DISCOUNT']))
                {
                    unset($result['PRODUCTS'][$i]['DISCOUNT']);
                }
            }
 
            if ($countDeliveryPositions === 1)
            {
                $result['DELIVERY'][0]['SUM'] = PriceMaths::roundPrecision($paymentSum - $totalSum);
                $price = PriceMaths::roundPrecision($result['DELIVERY'][0]['SUM'] / $result['DELIVERY'][0]['QUANTITY']);
                $result['DELIVERY'][0]['BASE_PRICE'] = $result['DELIVERY'][0]['PRICE'] = $price;
 
                if (isset($result['DELIVERY'][0]['DISCOUNT']))
                {
                    unset($result['DELIVERY'][0]['DISCOUNT']);
                }
            }
            else
            {
                for ($i = 0; $i < $countDeliveryPositions - 1; $i++)
                {
                    $sum = PriceMaths::roundPrecision($result['DELIVERY'][$i]['SUM'] * $rate);
                    $totalSum += $sum;
                    $result['DELIVERY'][$i]['SUM'] = $sum;
 
                    $price = PriceMaths::roundPrecision($sum / $result['DELIVERY'][$i]['QUANTITY']);
                    $result['DELIVERY'][$i]['BASE_PRICE'] = $result['DELIVERY'][$i]['PRICE'] = $price;
 
                    if (isset($result['DELIVERY'][$i]['DISCOUNT']))
                    {
                        unset($result['DELIVERY'][$i]['DISCOUNT']);
                    }
                }
 
                if (isset($result['DELIVERY']))
                {
                    $lastElement = $countDeliveryPositions - 1;
                    $result['DELIVERY'][$lastElement]['SUM'] = PriceMaths::roundPrecision($paymentSum - $totalSum);
                    $price = PriceMaths::roundPrecision($result['DELIVERY'][$lastElement]['SUM'] / $result['DELIVERY'][$lastElement]['QUANTITY']);
                    $result['DELIVERY'][$lastElement]['BASE_PRICE'] = $result['DELIVERY'][$lastElement]['PRICE'] = $price;
 
                    if (isset($result['DELIVERY'][$lastElement]['DISCOUNT']))
                    {
                        unset($result['DELIVERY'][$lastElement]['DISCOUNT']);
                    }
                }
            }
        }
 
        return $result;
    }
}