money.php

См. документацию.

<?php
namespace Bitrix\Bizproc\UserType;
 
use Bitrix\Bizproc\FieldType;
use Bitrix\Main\Loader;
 
class Money extends UserFieldBase
{
    protected static function extractValue(FieldType $fieldType, array $field, array $request)
    {
        $value = parent::extractValue($fieldType, $field, $request);
 
        if ($value && mb_strpos($value, '|') !== false)
        {
            list($sum, $currency) = explode('|', $value);
            $value = doubleval($sum) . '|' . $currency;
        }
 
        return $value;
    }

    public static function compareValues($valueA, $valueB)
    {
        if (mb_strpos($valueA, '|') === false || mb_strpos($valueB, '|') === false)
        {
            return parent::compareValues($valueA, $valueB);
        }
 
        list($sumA, $currencyA) = explode('|', $valueA);
        list($sumB, $currencyB) = explode('|', $valueB);
 
        $sumA = (double) $sumA;
        $sumB = (double) $sumB;
 
        if (!$currencyA)
        {
            $currencyA = self::getDefaultCurrencyId();
        }
        if (!$currencyB)
        {
            $currencyB = self::getDefaultCurrencyId();
        }
 
        if ($currencyA !== $currencyB)
        {
            $sumB = self::convertMoney($sumB, $currencyB, $currencyA);
        }
 
        return parent::compareValues($sumA, $sumB);
    }
 
    protected static function formatValuePrintable(FieldType $fieldType, $value)
    {
        $formatted = parent::formatValuePrintable($fieldType, $value);
        $formatted = str_replace('&nbsp;', ' ', $formatted);
 
        return $formatted;
    }
 
    private static function getDefaultCurrencyId()
    {
        static $currencyId;
 
        if($currencyId !== null)
        {
            return $currencyId;
        }
 
        $currencyId = 'USD';
 
        $lang = \CLanguage::GetByID('ru');
        if($lang->Fetch())
        {
            $currencyId = 'RUB';
        }
        else
        {
            $lang = \CLanguage::GetByID('de');
            if($lang->Fetch())
            {
                $currencyId = 'EUR';
            }
        }
 
        return $currencyId;
    }
 
    private static function normalizeCurrencyID($currencyID)
    {
        return mb_strtoupper(trim(strval($currencyID)));
    }
 
    private static function convertMoney($sum, $srcCurrencyID, $dstCurrencyID, $srcExchRate = -1)
    {
        $sum = doubleval($sum);
 
        if (!Loader::includeModule('currency'))
        {
            return $sum;
        }
 
        $srcCurrencyID = self::normalizeCurrencyID($srcCurrencyID);
        $dstCurrencyID = self::normalizeCurrencyID($dstCurrencyID);
        $srcExchRate = doubleval($srcExchRate);
 
        if($sum === 0.0 || $srcCurrencyID === $dstCurrencyID)
        {
            return $sum;
        }
 
        if($srcExchRate <= 0)
        {
            $result = \CCurrencyRates::ConvertCurrency($sum, $srcCurrencyID, $dstCurrencyID);
        }
        else
        {
            $result = \CCurrencyRates::ConvertCurrency(
                doubleval($sum * $srcExchRate),
                \Bitrix\Currency\CurrencyManager::getBaseCurrency(),
                $dstCurrencyID
            );
        }
 
        $decimals = 2;
        $formatInfo = \CCurrencyLang::GetCurrencyFormat($dstCurrencyID);
        if(isset($formatInfo['DECIMALS']))
        {
            $decimals = intval($formatInfo['DECIMALS']);
        }
 
        $result = round($result, $decimals);
        return $result;
    }
}