roykin/classes/Currency.php

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2016-03-03 10:33:17 +01:00
<?php
/*
* 2007-2015 PrestaShop
*
* NOTICE OF LICENSE
*
* 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 through the world-wide-web at this URL:
* http://opensource.org/licenses/osl-3.0.php
* If you did not receive a copy of the license and are unable to
* obtain it through the world-wide-web, please send an email
* to license@prestashop.com so we can send you a copy immediately.
*
* DISCLAIMER
*
* Do not edit or add to this file if you wish to upgrade PrestaShop to newer
* versions in the future. If you wish to customize PrestaShop for your
* needs please refer to http://www.prestashop.com for more information.
*
* @author PrestaShop SA <contact@prestashop.com>
* @copyright 2007-2015 PrestaShop SA
* @license http://opensource.org/licenses/osl-3.0.php Open Software License (OSL 3.0)
* International Registered Trademark & Property of PrestaShop SA
*/
class CurrencyCore extends ObjectModel
{
public $id;
/** @var string Name */
public $name;
/** @var string Iso code */
public $iso_code;
/** @var string Iso code numeric */
public $iso_code_num;
/** @var string Symbol for short display */
public $sign;
/** @var int bool used for displaying blank between sign and price */
public $blank;
/** @var string exchange rate from euros */
public $conversion_rate;
/** @var bool 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;
/** @var int bool active */
public $active;
/**
* @see ObjectModel::$definition
*/
public static $definition = array(
'table' => 'currency',
'primary' => 'id_currency',
'multilang_shop' => true,
'fields' => array(
'name' => array('type' => self::TYPE_STRING, 'validate' => 'isGenericName', 'required' => true, 'size' => 32),
'iso_code' => array('type' => self::TYPE_STRING, 'validate' => 'isLanguageIsoCode', 'required' => true, 'size' => 3),
'iso_code_num' => array('type' => self::TYPE_STRING, 'validate' => 'isNumericIsoCode', 'size' => 3),
'blank' => array('type' => self::TYPE_INT, 'validate' => 'isInt'),
'sign' => array('type' => self::TYPE_STRING, 'validate' => 'isGenericName', 'required' => true, 'size' => 8),
'format' => array('type' => self::TYPE_INT, 'validate' => 'isUnsignedId', 'required' => true),
'decimals' => array('type' => self::TYPE_BOOL, 'validate' => 'isBool', 'required' => true),
'conversion_rate' =>array('type' => self::TYPE_FLOAT, 'validate' => 'isUnsignedFloat', 'required' => true, 'shop' => true),
'deleted' => array('type' => self::TYPE_BOOL, 'validate' => 'isBool'),
'active' => array('type' => self::TYPE_BOOL, 'validate' => 'isBool'),
),
);
/** @var array Currency cache */
protected static $currencies = array();
protected static $countActiveCurrencies = array();
protected $webserviceParameters = array(
'objectsNodeName' => 'currencies',
);
/**
* contains the sign to display before price, according to its format
* @var string
*/
public $prefix = null;
/**
* contains the sign to display after price, according to its format
* @var string
*/
public $suffix = null;
public function __construct($id = null, $id_lang = null, $id_shop = null)
{
parent::__construct($id, $id_lang, $id_shop);
// prefix and suffix are convenient shortcut for displaying
// price sign before or after the price number
$this->prefix = $this->format % 2 != 0 ? $this->sign.' ' : '';
$this->suffix = $this->format % 2 == 0 ? ' '.$this->sign : '';
if (!$this->conversion_rate) {
$this->conversion_rate = 1;
}
}
/**
* Overriding check if currency rate is not empty and if currency with the same iso code already exists.
* If it's true, currency is not added.
*
* @see ObjectModelCore::add()
*/
public function add($autodate = true, $nullValues = false)
{
if ((float)$this->conversion_rate <= 0) {
return false;
}
return Currency::exists($this->iso_code, $this->iso_code_num) ? false : parent::add($autodate, $nullValues);
}
public function update($autodate = true, $nullValues = false)
{
if ((float)$this->conversion_rate <= 0) {
return false;
}
return parent::update($autodate, $nullValues);
}
/**
* Check if a curency already exists.
*
* @param int|string $iso_code int for iso code number string for iso code
* @return bool
*/
public static function exists($iso_code, $iso_code_num, $id_shop = 0)
{
if (is_int($iso_code)) {
$id_currency_exists = Currency::getIdByIsoCodeNum((int)$iso_code_num, (int)$id_shop);
} else {
$id_currency_exists = Currency::getIdByIsoCode($iso_code, (int)$id_shop);
}
if ($id_currency_exists) {
return true;
} else {
return false;
}
}
public function deleteSelection($selection)
{
if (!is_array($selection)) {
return false;
}
$res = array();
foreach ($selection as $id) {
$obj = new Currency((int)$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')) {
$result = Db::getInstance()->getRow('SELECT `id_currency` FROM '._DB_PREFIX_.'currency WHERE `id_currency` != '.(int)($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' => &$formated_strings['right']),
5 => array('left' => '', 'right' => &$formated_strings['right'])
);
if (isset($formats[$this->format][$side])) {
return ($formats[$this->format][$side]);
}
return $this->sign;
}
/**
* Return available currencies
*
* @return array Currencies
*/
public static function getCurrencies($object = false, $active = true, $group_by = false)
{
$tab = Db::getInstance()->executeS('
SELECT *
FROM `'._DB_PREFIX_.'currency` c
'.Shop::addSqlAssociation('currency', 'c').
' WHERE `deleted` = 0'.
($active ? ' AND c.`active` = 1' : '').
($group_by ? ' GROUP BY c.`id_currency`' : '').
' ORDER BY `name` ASC');
if ($object) {
foreach ($tab as $key => $currency) {
$tab[$key] = Currency::getCurrencyInstance($currency['id_currency']);
}
}
return $tab;
}
public static function getCurrenciesByIdShop($id_shop = 0)
{
return Db::getInstance()->executeS('
SELECT *
FROM `'._DB_PREFIX_.'currency` c
LEFT JOIN `'._DB_PREFIX_.'currency_shop` cs ON (cs.`id_currency` = c.`id_currency`)
'.($id_shop ? ' WHERE cs.`id_shop` = '.(int)$id_shop : '').'
ORDER BY `name` ASC');
}
public static function getPaymentCurrenciesSpecial($id_module, $id_shop = null)
{
if (is_null($id_shop)) {
$id_shop = Context::getContext()->shop->id;
}
$sql = 'SELECT *
FROM '._DB_PREFIX_.'module_currency
WHERE id_module = '.(int)$id_module.'
AND id_shop ='.(int)$id_shop;
return Db::getInstance()->getRow($sql);
}
public static function getPaymentCurrencies($id_module, $id_shop = null)
{
if (is_null($id_shop)) {
$id_shop = Context::getContext()->shop->id;
}
$sql = 'SELECT c.*
FROM `'._DB_PREFIX_.'module_currency` mc
LEFT JOIN `'._DB_PREFIX_.'currency` c ON c.`id_currency` = mc.`id_currency`
WHERE c.`deleted` = 0
AND mc.`id_module` = '.(int)$id_module.'
AND c.`active` = 1
AND mc.id_shop = '.(int)$id_shop.'
ORDER BY c.`name` ASC';
return Db::getInstance()->executeS($sql);
}
public static function checkPaymentCurrencies($id_module, $id_shop = null)
{
if (empty($id_module)) {
return false;
}
if (is_null($id_shop)) {
$id_shop = Context::getContext()->shop->id;
}
$sql = 'SELECT *
FROM `'._DB_PREFIX_.'module_currency`
WHERE `id_module` = '.(int)$id_module.'
AND `id_shop` = '.(int)$id_shop;
return Db::getInstance(_PS_USE_SQL_SLAVE_)->executeS($sql);
}
public static function getCurrency($id_currency)
{
return Db::getInstance(_PS_USE_SQL_SLAVE_)->getRow('
SELECT *
FROM `'._DB_PREFIX_.'currency`
WHERE `deleted` = 0
AND `id_currency` = '.(int)($id_currency));
}
/**
* @param $iso_code
* @param int $id_shop
* @return int
*/
public static function getIdByIsoCode($iso_code, $id_shop = 0)
{
$cache_id = 'Currency::getIdByIsoCode_'.pSQL($iso_code).'-'.(int)$id_shop;
if (!Cache::isStored($cache_id)) {
$query = Currency::getIdByQuery($id_shop);
$query->where('iso_code = \''.pSQL($iso_code).'\'');
$result = (int)Db::getInstance(_PS_USE_SQL_SLAVE_)->getValue($query->build());
Cache::store($cache_id, $result);
return $result;
}
return Cache::retrieve($cache_id);
}
/**
* @param $iso_code_num
* @param int $id_shop
* @return int
*/
public static function getIdByIsoCodeNum($iso_code_num, $id_shop = 0)
{
$query = Currency::getIdByQuery($id_shop);
$query->where('iso_code_num = \''.pSQL($iso_code_num).'\'');
return (int)Db::getInstance(_PS_USE_SQL_SLAVE_)->getValue($query->build());
}
/**
* @param int $id_shop
* @return DbQuery
*/
public static function getIdByQuery($id_shop = 0)
{
$query = new DbQuery();
$query->select('c.id_currency');
$query->from('currency', 'c');
$query->where('deleted = 0');
if (Shop::isFeatureActive() && $id_shop > 0) {
$query->leftJoin('currency_shop', 'cs', 'cs.id_currency = c.id_currency');
$query->where('id_shop = '.(int)$id_shop);
}
return $query;
}
/**
* Refresh the currency exchange rate
* The XML file define exchange rate for each from a default currency ($isoCodeSource).
*
* @param SimpleXMLElement $data XML content which contains all the exchange rates
* @param string $isoCodeSource The default currency used in the XML file
* @param Currency $defaultCurrency The default currency object
*/
public function refreshCurrency($data, $isoCodeSource, $defaultCurrency)
{
// fetch the exchange rate of the default currency
$exchange_rate = 1;
$tmp = $this->conversion_rate;
if ($defaultCurrency->iso_code != $isoCodeSource) {
foreach ($data->currency as $currency) {
if ($currency['iso_code'] == $defaultCurrency->iso_code) {
$exchange_rate = round((float)$currency['rate'], 6);
break;
}
}
}
if ($defaultCurrency->iso_code == $this->iso_code) {
$this->conversion_rate = 1;
} else {
if ($this->iso_code == $isoCodeSource) {
$rate = 1;
} else {
foreach ($data->currency as $obj) {
if ($this->iso_code == strval($obj['iso_code'])) {
$rate = (float)$obj['rate'];
break;
}
}
}
if (isset($rate)) {
$this->conversion_rate = round($rate / $exchange_rate, 6);
}
}
if ($tmp != $this->conversion_rate) {
$this->update();
}
}
public static function getDefaultCurrency()
{
$id_currency = (int)Configuration::get('PS_CURRENCY_DEFAULT');
if ($id_currency == 0) {
return false;
}
return new Currency($id_currency);
}
public static function refreshCurrencies()
{
// Parse
if (!$feed = Tools::simplexml_load_file(_PS_CURRENCY_FEED_URL_)) {
return Tools::displayError('Cannot parse feed.');
}
// Default feed currency (EUR)
$isoCodeSource = strval($feed->source['iso_code']);
if (!$default_currency = Currency::getDefaultCurrency()) {
return Tools::displayError('No default currency');
}
$currencies = Currency::getCurrencies(true, false, true);
foreach ($currencies as $currency) {
/** @var Currency $currency */
if ($currency->id != $default_currency->id) {
$currency->refreshCurrency($feed->list, $isoCodeSource, $default_currency);
}
}
}
/**
* Get current currency
*
* @deprecated as of 1.5 use $context->currency instead
* @return Currency
*/
public static function getCurrent()
{
Tools::displayAsDeprecated();
return Context::getContext()->currency;
}
public static function getCurrencyInstance($id)
{
if (!isset(self::$currencies[$id])) {
self::$currencies[(int)($id)] = new Currency($id);
}
return self::$currencies[(int)($id)];
}
public function getConversationRate()
{
return $this->id != (int)Configuration::get('PS_CURRENCY_DEFAULT') ? $this->conversion_rate : 1;
}
public static function countActiveCurrencies($id_shop = null)
{
if ($id_shop === null) {
$id_shop = (int)Context::getContext()->shop->id;
}
if (!isset(self::$countActiveCurrencies[$id_shop])) {
self::$countActiveCurrencies[$id_shop] = Db::getInstance()->getValue('
SELECT COUNT(DISTINCT c.id_currency) FROM `'._DB_PREFIX_.'currency` c
LEFT JOIN '._DB_PREFIX_.'currency_shop cs ON (cs.id_currency = c.id_currency AND cs.id_shop = '.(int)$id_shop.')
WHERE c.`active` = 1
');
}
return self::$countActiveCurrencies[$id_shop];
}
public static function isMultiCurrencyActivated($id_shop = null)
{
return (Currency::countActiveCurrencies($id_shop) > 1);
}
}