<?php
/**
 * OpenMage
 *
 * This source file is subject to the Open Software License (OSL 3.0)
 * that is bundled with this package in the file LICENSE.txt.
 * It is also available at https://opensource.org/license/osl-3-0-php
 *
 * @category   Mage
 * @package    Mage_Adminhtml
 * @copyright  Copyright (c) 2006-2020 Magento, Inc. (https://www.magento.com)
 * @copyright  Copyright (c) 2019-2023 The OpenMage Contributors (https://www.openmage.org)
 * @license    https://opensource.org/licenses/osl-3.0.php  Open Software License (OSL 3.0)
 */

/**
 * Adminhtml Directory currency backend model
 *
 * Allows dispatching before and after events for each controller action
 *
 * @category   Mage
 * @package    Mage_Adminhtml
 */
class Mage_Adminhtml_Model_System_Config_Backend_Currency_Default extends Mage_Adminhtml_Model_System_Config_Backend_Currency_Abstract
{
    /**
     * Check default currency is available in installed currencies
     * Check default currency is available in allowed currencies
     *
     * @return $this
     */
    protected function _afterSave()
    {
        $allowedCurrencies = $this->_getAllowedCurrencies();

        if (!is_array($allowedCurrencies)) {
            Mage::throwException(Mage::helper('adminhtml')->__('At least one currency has to be allowed.'));
        }

        if (!in_array($this->getValue(), $this->_getInstalledCurrencies())) {
            Mage::throwException(Mage::helper('adminhtml')->__('Selected default display currency is not available in installed currencies.'));
        }

        if (!in_array($this->getValue(), $allowedCurrencies)) {
            Mage::throwException(Mage::helper('adminhtml')->__('Selected default display currency is not available in allowed currencies.'));
        }

        return $this;
    }
}
