<?php
/**
* Copyright © Magento, Inc. All rights reserved.
* See COPYING.txt for license details.
*/

namespace Magento\Framework\Validator;

use Magento\Framework\Setup\Lists;

/**
* Currency validator model
*/
class Currency
{
/**
* @var Lists
*/
protected $lists;

/**
* Constructor
*
* @param Lists $lists
*/
public function __construct(Lists $lists)
{
$this->lists = $lists;
}

/**
* Validate currency code
*
* @param string $currencyCode
* @return bool
* @api
*/
public function isValid($currencyCode)
{
$isValid = true;
$allowedCurrencyCodes = array_keys($this->lists->getCurrencyList());

if (!$currencyCode || !in_array($currencyCode, $allowedCurrencyCodes)) {
$isValid = false;
}

return $isValid;
}
}