sitecurrency.php

См. документацию.

<?php
namespace Bitrix\Sale\Internals;
 
use Bitrix\Main,
    Bitrix\Main\Application;

class SiteCurrencyTable extends Main\Entity\DataManager
{
    private static $cache = array();
 
    public static function getFilePath()
    {
        return __FILE__;
    }
 
    public static function getTableName()
    {
        return 'b_sale_lang';
    }
 
    public static function getMap()
    {
        return array(
            'LID' => array(
                'data_type' => 'string',
                'primary' => true,
                'format' => '/^[A-Za-z0-9_]{2}$/'
            ),
            'CURRENCY' => array(
                'data_type' => 'string',
                'format' => '/^[A-Z]{3}$/'
            )
        );
    }

    public static function getCurrency($siteId)
    {
        $siteId = (string)$siteId;
        if ($siteId == '')
            return false;
        if (empty(self::$cache))
        {
            $managed = Application::getInstance()->getManagedCache();
            $key = self::getTableName();
 
            if ($managed->read(3600, $key))
                self::$cache = $managed->get($key);
            else
            {
                $result = self::getList(array(
                    'select' => array('*')
                ));
                while ($row = $result->fetch())
                    self::$cache[$row['LID']] = $row;
                unset($row, $result);
                $managed->set($key, self::$cache);
            }
        }
        return (isset(self::$cache[$siteId]) ? self::$cache[$siteId] : false);
    }

    public static function getSiteCurrency($siteId)
    {
        $siteData = self::getCurrency($siteId);
        return (!empty($siteData['CURRENCY']) ? $siteData['CURRENCY'] : (string)Main\Config\Option::get('sale', 'default_currency'));
    }
 
    public static function onAfterAdd(Main\Entity\Event $event)
    {
        Application::getInstance()->getManagedCache()->clean(self::getTableName());
        self::$cache = array();
    }
 
    public static function onAfterUpdate(Main\Entity\Event $event)
    {
        Application::getInstance()->getManagedCache()->clean(self::getTableName());
        self::$cache = array();
    }
 
    public static function onAfterDelete(Main\Entity\Event $event)
    {
        Application::getInstance()->getManagedCache()->clean(self::getTableName());
        self::$cache = array();
    }
}