<?php
/**
* Currency class, Currency.php
* Currencies management
* @category classes
*
* @author PrestaShop <support@prestashop.com>
* @copyright PrestaShop
* @license http://www.opensource.org/licenses/osl-3.0.php Open-source licence 3.0
* @version 1.3
*
*/
class Currency extends ObjectModel
{
public $id;
/** @var string Name */
public $name;
/** @var string Iso code */
public $iso_code;
/** @var string Symbol for short display */
public $sign;
/** @var int bool used for displaying blank between sign and price */
public $blank;
/** @var string Conversion rate from euros */
public $conversion_rate;
/** @var boolean True if currency has been deleted (staying in database as deleted) */
public $deleted = 0;
/** @var int ID used for displaying prices */
public $format;
/** @var int bool Display decimals on prices */
public $decimals;
protected $fieldsRequired = array('name', 'iso_code', 'sign', 'conversion_rate', 'format', 'decimals');
protected $fieldsSize = array('name' => 32, 'iso_code' => 3, 'sign' => 8);
protected $fieldsValidate = array('name' => 'isGenericName', 'iso_code' => 'isStateIsoCode', 'blank' => 'isInt', 'sign' => 'isGenericName',
'format' => 'isUnsignedId', 'decimals' => 'isBool', 'conversion_rate' => 'isFloat', 'deleted' => 'isBool');
protected $table = 'currency';
protected $identifier = 'id_currency';
/** @var Currency Current currency */
static private $current = NULL;
/** @var array Currency cache */
static private $currencies = array();
public function getFields()
{
parent::validateFields();
$fields['name'] = pSQL($this->name);
$fields['iso_code'] = pSQL($this->iso_code);
$fields['sign'] = pSQL($this->sign);
$fields['format'] = intval($this->format);
$fields['decimals'] = intval($this->decimals);
$fields['blank'] = intval($this->blank);
$fields['conversion_rate'] = floatval($this->conversion_rate);
$fields['deleted'] = intval($this->deleted);
return $fields;
}
public function deleteSelection($selection)
{
if (!is_array($selection) OR !Validate::isTableOrIdentifier($this->identifier) OR !Validate::isTableOrIdentifier($this->table))
die(Tools::displayError());
$result = true;
foreach ($selection AS $id)
{
$obj = new Currency(intval($id));
$res[$id] = $obj->delete();
}
foreach ($res AS $value)
if (!$value)
return false;
return true;
}
public function delete()
{
if ($this->id == Configuration::get('PS_CURRENCY_DEFAULT'))
{
$result = Db::getInstance()->getRow('SELECT `id_currency` FROM '._DB_PREFIX_.'currency WHERE `id_currency` != '.intval($this->id).' AND `deleted` = 0');
if (!$result['id_currency'])
return false;
Configuration::updateValue('PS_CURRENCY_DEFAULT', $result['id_currency']);
}
$this->deleted = 1;
return $this->update();
}
/**
* Return formated sign
*
* @param string $side left or right
* @return string formated sign
*/
public function getSign($side=NULL)
{
if (!$side)
return $this->sign;
$formated_strings = array(
'left' => $this->sign.' ',
'right' => ' '.$this->sign
);
$formats = array(
1 => array('left' => &$formated_strings['left'], 'right' => ''),
2 => array('left' => '', 'right' => &$formated_strings['right']),
3 => array('left' => &$formated_strings['left'], 'right' => ''),
4 => array('left' => '', 'right' => &$formated_strings['right']),
);
return ($formats[$this->format][$side]);
}
/**
* Return available currencies
*
* @return array Currencies
*/
static public function getCurrencies($object = false)
{
$tab = Db::getInstance()->ExecuteS('
SELECT *
FROM `'._DB_PREFIX_.'currency`
WHERE `deleted` = 0
ORDER BY `name` ASC');
if ($object)
foreach ($tab as $key => $currency)
$tab[$key] = new Currency($currency['id_currency']);
return $tab;
}
static public function getPaymentCurrenciesSpecial($id_module)
{
return Db::getInstance()->getRow('
SELECT mc.*
FROM `'._DB_PREFIX_.'module_currency` mc
WHERE mc.`id_module` = '.intval($id_module));
}
static public function getPaymentCurrencies($id_module)
{
return Db::getInstance()->ExecuteS('
SELECT c.*
FROM `'._DB_PREFIX_.'module_currency` mc
LEFT JOIN `'._DB_PREFIX_.'currency` c ON c.`id_currency` = mc.`id_currency`
WHERE c.`deleted` = 0
AND mc.`id_module` = '.intval($id_module).'
ORDER BY c.`name` ASC');
}
static public function checkPaymentCurrencies($id_module)
{
return Db::getInstance()->ExecuteS('
SELECT mc.*
FROM `'._DB_PREFIX_.'module_currency` mc
WHERE mc.`id_module` = '.intval($id_module));
}
static public function getCurrency($id_currency)
{
return Db::getInstance()->getRow('
SELECT *
FROM `'._DB_PREFIX_.'currency`
WHERE `deleted` = 0
AND `id_currency` = '.intval($id_currency));
}
static public function getIdByIsoCode($iso_code)
{
$result = Db::getInstance()->getRow('
SELECT `id_currency`
FROM `'._DB_PREFIX_.'currency`
WHERE `deleted` = 0
AND `iso_code` = \''.pSQL($iso_code).'\'');
return $result['id_currency'];
}
public function refreshCurrency($data, $isoCodeSource, $defaultCurrency)
{
if ($this->iso_code != $isoCodeSource)
{
/* Seeking for rate in feed */
foreach ($data->currency AS $obj)
if ($this->iso_code == strval($obj['iso_code']))
$this->conversion_rate = round(floatval($obj['rate']) / $defaultCurrency->conversion_rate, 6);
}
else
{
/* If currency is like isoCodeSource, setting it to default conversion rate */
$this->conversion_rate = round(1 / floatval($defaultCurrency->conversion_rate), 6);
}
$this->update();
}
static public function refreshCurrenciesGetDefault($data, $isoCodeSource, $idCurrency)
{
$defaultCurrency = new Currency($idCurrency);
/* Change defaultCurrency rate if not as currency of feed source */
if ($defaultCurrency->iso_code != $isoCodeSource)
foreach ($data->currency AS $obj)
if ($defaultCurrency->iso_code == strval($obj['iso_code']))
$defaultCurrency->conversion_rate = round(floatval($obj['rate']), 6);
return $defaultCurrency;
}
static public function refreshCurrencies()
{
if (!$feed = @simplexml_load_file('http://www.prestashop.com/xml/currencies.xml'))
return Tools::displayError('Cannot parse feed!');
if (!$defaultCurrency = intval(Configuration::get('PS_CURRENCY_DEFAULT')))
return Tools::displayError('No default currency!');
$isoCodeSource = strval($feed->source['iso_code']);
$currencies = self::getCurrencies(true);
$defaultCurrency = self::refreshCurrenciesGetDefault($feed->list, $isoCodeSource, $defaultCurrency);
foreach ($currencies as $currency)
if ($currency->iso_code != $defaultCurrency->iso_code)
$currency->refreshCurrency($feed->list, $isoCodeSource, $defaultCurrency);
}
static public function getCurrent()
{
global $cookie;
if (!self::$current)
{
if (isset($cookie->id_currency) AND $cookie->id_currency)
self::$current = new Currency(intval($cookie->id_currency));
else
self::$current = new Currency(intval(Configuration::get('PS_CURRENCY_DEFAULT')));
}
return self::$current;
}
static public function getCurrencyInstance($id)
{
if (!array_key_exists($id, self::$currencies))
self::$currencies[intval($id)] = new Currency(intval($id));
return self::$currencies[intval($id)];
}
}
?>