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<?php
/**
* Copyright © Magento, Inc. All rights reserved.
* See COPYING.txt for license details.
*/
namespace Magento\Directory\Model\ResourceModel;
/**
* Currency Resource Model
*
* @api
* @since 100.0.2
*/
class Currency extends \Magento\Framework\Model\ResourceModel\Db\AbstractDb
{
/**
* Currency rate table
*
* @var string
*/
protected $_currencyRateTable;
/**
* Currency rate cache array
*
* @var array
*/
protected static $_rateCache;
/**
* Define main and currency rate tables
*
* @return void
*/
protected function _construct()
{
$this->_init('directory_currency', 'currency_code');
$this->_currencyRateTable = $this->getTable('directory_currency_rate');
}
/**
* Retrieve currency rate (only base=>allowed)
*
* @param \Magento\Directory\Model\Currency|string $currencyFrom
* @param \Magento\Directory\Model\Currency|string $currencyTo
* @return float
*/
public function getRate($currencyFrom, $currencyTo)
{
if ($currencyFrom instanceof \Magento\Directory\Model\Currency) {
$currencyFrom = $currencyFrom->getCode();
}
if ($currencyTo instanceof \Magento\Directory\Model\Currency) {
$currencyTo = $currencyTo->getCode();
}
if ($currencyFrom == $currencyTo) {
return 1;
}
if (!isset(self::$_rateCache[$currencyFrom][$currencyTo])) {
$connection = $this->getConnection();
$bind = [':currency_from' => strtoupper($currencyFrom), ':currency_to' => strtoupper($currencyTo)];
$select = $connection->select()->from(
$this->_currencyRateTable,
'rate'
)->where(
'currency_from = :currency_from'
)->where(
'currency_to = :currency_to'
);
self::$_rateCache[$currencyFrom][$currencyTo] = $connection->fetchOne($select, $bind);
}
return self::$_rateCache[$currencyFrom][$currencyTo];
}
/**
* Retrieve currency rate (base=>allowed or allowed=>base)
*
* @param \Magento\Directory\Model\Currency|string $currencyFrom
* @param \Magento\Directory\Model\Currency|string $currencyTo
* @return float
*/
public function getAnyRate($currencyFrom, $currencyTo)
{
if ($currencyFrom instanceof \Magento\Directory\Model\Currency) {
$currencyFrom = $currencyFrom->getCode();
}
if ($currencyTo instanceof \Magento\Directory\Model\Currency) {
$currencyTo = $currencyTo->getCode();
}
if ($currencyFrom == $currencyTo) {
return 1;
}
if (!isset(self::$_rateCache[$currencyFrom][$currencyTo])) {
$connection = $this->getConnection();
$bind = [':currency_from' => strtoupper($currencyFrom), ':currency_to' => strtoupper($currencyTo)];
$select = $connection->select()->from(
$this->_currencyRateTable,
'rate'
)->where(
'currency_from = :currency_from'
)->where(
'currency_to = :currency_to'
);
$rate = $connection->fetchOne($select, $bind);
if ($rate === false) {
$select = $connection->select()->from(
$this->_currencyRateTable,
new \Zend_Db_Expr('1/rate')
)->where(
'currency_to = :currency_from'
)->where(
'currency_from = :currency_to'
);
$rate = $connection->fetchOne($select, $bind);
}
self::$_rateCache[$currencyFrom][$currencyTo] = $rate;
}
return self::$_rateCache[$currencyFrom][$currencyTo];
}
/**
* Saving currency rates
*
* @param array $rates
* @return void
* @throws \Magento\Framework\Exception\LocalizedException
*/
public function saveRates($rates)
{
if (is_array($rates) && count($rates) > 0) {
$connection = $this->getConnection();
$data = [];
foreach ($rates as $currencyCode => $rate) {
foreach ($rate as $currencyTo => $value) {
$value = abs($value);
if ($value == 0) {
continue;
}
$data[] = ['currency_from' => $currencyCode, 'currency_to' => $currencyTo, 'rate' => $value];
}
}
if ($data) {
$connection->insertOnDuplicate($this->_currencyRateTable, $data, ['rate']);
}
} else {
throw new \Magento\Framework\Exception\LocalizedException(__('Please correct the rates received'));
}
}
/**
* Retrieve config currency data by config path
*
* @param \Magento\Directory\Model\Currency $model
* @param string $path
* @return array
* @SuppressWarnings(PHPMD.UnusedFormalParameter)
* @deprecated 100.2.3 because doesn't take into consideration scopes and system config values.
* @see \Magento\Directory\Model\CurrencyConfig::getConfigCurrencies()
*/
public function getConfigCurrencies($model, $path)
{
$connection = $this->getConnection();
$bind = [':config_path' => $path];
$select = $connection->select()->from($this->getTable('core_config_data'))->where('path = :config_path');
$result = [];
$rowSet = $connection->fetchAll($select, $bind);
foreach ($rowSet as $row) {
$result[] = explode(',', $row['value']);
}
sort($result);
return array_unique($result);
}
/**
* Return currency rates
*
* @param string|array $currency
* @param array $toCurrencies
* @return array
*/
public function getCurrencyRates($currency, $toCurrencies = null)
{
$rates = [];
if (is_array($currency)) {
foreach ($currency as $code) {
$rates[$code] = $this->_getRatesByCode($code, $toCurrencies);
}
} else {
$rates = $this->_getRatesByCode($currency, $toCurrencies);
}
return $rates;
}
/**
* Protected method used by getCurrencyRates() method
*
* @param string $code
* @param array $toCurrencies
* @return array
*/
protected function _getRatesByCode($code, $toCurrencies = null)
{
$connection = $this->getConnection();
$bind = [':currency_from' => $code];
$select = $connection->select()->from(
$this->_currencyRateTable,
['currency_to', 'rate']
)->where(
'currency_from = :currency_from'
)->where(
'currency_to IN(?)',
$toCurrencies
);
$rowSet = $connection->fetchAll($select, $bind);
$result = [];
foreach ($rowSet as $row) {
$result[$row['currency_to']] = $row['rate'];
}
return $result;
}
}