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<?php /** * @package Phoca Cart * @author Jan Pavelka - https://www.phoca.cz * @copyright Copyright (C) Jan Pavelka https://www.phoca.cz * @license http://www.gnu.org/licenses/gpl-2.0.html GNU/GPLv2 and later * @cms Joomla * @copyright Copyright (C) Open Source Matters. All rights reserved. * @license http://www.gnu.org/copyleft/gpl.html GNU/GPL, see LICENSE.php / defined('_JEXEC') or die(); class PhocacartCurrency { //private static $currency = false; private static $defaultcurrency = false; private static $defaultcurrencycode = false; private static $defaultcurrencyarray = false; private static $allcurrencies = false; private static $currency = array(); private static $currencyvalid = array(); private function __construct(){} /public static function getCurrency() { if(self::$currency === false){ $session = JFactory::getSession(); $currencyId = $session->get('currency', 0, 'phocaCart'); if ((int)$currencyId < 1) { $currencyId = self::getDefaultCurrency(); } $db = JFactory::getDBO(); $query = ' SELECT a.* FROM #__phocacart_currencies AS a' .' WHERE a.id = '.(int)$currencyId; $db->setQuery($query); $c = $db->loadObject(); if (!empty($c)) { self::$currency = $c; } else { self::$currency = false; } } return self::$currency; }/ public static function getCurrency( $id = 0, $orderId = 0 ) { // Order currency is never stored in session // so we use id instead of key $session = JFactory::getSession(); if( $id == 0 ) { $id = $session->get('currency', 0, 'phocaCart'); // check only session currencies, not database - as they can be order currencies $isValid = self::isCurrencyValid($id); if (!$isValid) { $id = 0; } } if ((int)$id < 1) { $id = self::getDefaultCurrency(); $session->set('currency', (int)$id, 'phocaCart'); } $id = (int)$id; // Price can be different for each currency and order // So there is a key which identifies default currency, other currency, default currency in order, other currency in order // one currency can have different exchange rates in order history, so two orders can have same currency but different exchange rate $key = base64_encode(serialize((int)$id . ':' . (int)$orderId)); if( !array_key_exists( (string)$key, self::$currency ) ) { $db = JFactory::getDBO(); $query = ' SELECT a. FROM #__phocacart_currencies AS a' .' WHERE a.id = '.(int)$id .' ORDER BY a.id'; $db->setQuery($query); $c = $db->loadObject(); if (!empty($c)) { self::$currency[$key] = $c; } else { self::$currency[$key] = false; } } return self::$currency[$key]; } public static function isCurrencyValid($id) { if ((int)$id > 0) { if(!array_key_exists((int)$id, self::$currencyvalid)) { $db = JFactory::getDBO(); $query = ' SELECT a.id FROM #__phocacart_currencies AS a' .' WHERE a.id = '.(int)$id .' AND a.published = 1' .' ORDER BY a.id'; $db->setQuery($query); $c = $db->loadResult(); if (isset($c) && (int)$c > 0) { self::$currencyvalid[$id] = true; } else { self::$currencyvalid[$id] = false; } } return self::$currencyvalid[$id]; } return false; } public static function getDefaultCurrency() { if(self::$defaultcurrency === false){ $db = JFactory::getDBO(); $query = ' SELECT a.id FROM #__phocacart_currencies AS a' .' WHERE a.exchange_rate = 1' .' ORDER BY a.id'; $db->setQuery($query); $c = $db->loadObject(); if (!empty($c->id)) { self::$defaultcurrency = (int)$c->id; } else { self::$defaultcurrency = false; } } return self::$defaultcurrency; } /* * XML Feed only / public static function getDefaultCurrencyCode() { if(self::$defaultcurrencycode === false){ $db = JFactory::getDBO(); $query = ' SELECT a.code FROM #__phocacart_currencies AS a' .' WHERE a.exchange_rate = 1' .' ORDER BY a.code'; $db->setQuery($query); $c = $db->loadObject(); if (!empty($c->code)) { self::$defaultcurrencycode = $c->code; } else { self::$defaultcurrencycode = false; } } return self::$defaultcurrencycode; } / * Administration only - currency and currencies view */ public static function getDefaultCurrencyArray() { if(self::$defaultcurrencyarray === false){ $db = JFactory::getDBO(); $query = ' SELECT a.id, a.title, a.code, a.exchange_rate FROM #__phocacart_currencies AS a' .' WHERE a.exchange_rate = 1' .' ORDER BY a.code'; $db->setQuery($query); $c = $db->loadAssoc(); if (!empty($c)) { self::$defaultcurrencyarray = $c; } else { self::$defaultcurrencyarray = false; } } return self::$defaultcurrencyarray; } public static function getAllCurrencies() { if(self::$allcurrencies === false){ $db = JFactory::getDBO(); $query = ' SELECT a.id, a.id as value, CONCAT_WS(\'\', a.title, \' (\', a.code, \')\') as text, a.title, a.alias, a.code, a.image FROM #__phocacart_currencies AS a' .' WHERE a.published = 1' .' ORDER BY a.id'; $db->setQuery($query); $c = $db->loadObjectList(); if (!empty($c)) { self::$allcurrencies = $c; } else { self::$allcurrencies = false; } } return self::$allcurrencies; } public static function setCurrentCurrency($currencyId) { $session = JFactory::getSession(); $session->set('currency', (int)$currencyId, 'phocaCart'); } public static function getCurrenciesSelectBox() { $session = JFactory::getSession(); $active = $session->get('currency', 0, 'phocaCart'); if ((int)$active < 1) { $active = self::getDefaultCurrency(); } $currencies = self::getAllCurrencies(); $o = ''; if (!empty($currencies)) { $o = Joomla\CMS\HTML\HTMLHelper::_('select.genericlist', $currencies, 'id', 'class="form-control chosen-select ph-input-select-currencies"', 'value', 'text', $active); } return $o; } public static function getCurrenciesArray() { $session = JFactory::getSession(); $active = $session->get('currency', 0, 'phocaCart'); if ((int)$active < 1) { $active = self::getDefaultCurrency(); } $currencies = self::getAllCurrencies(); if (!empty($currencies)) { foreach($currencies as $k => $v) { if ($v->value == $active) { $v->active = 1; } else { $v->active = 0; } } } return $currencies; } public static function getCurrenciesListBox() { $session = JFactory::getSession(); $active = $session->get('currency', 0, 'phocaCart'); if ((int)$active < 1) { $active = self::getDefaultCurrency(); } $currencies = self::getAllCurrencies(); $o = ''; if (!empty($currencies)) { $o .= '<ul class="ph-input-list-currencies">'; foreach ($currencies as $k => $v) { $class = ''; if ($v->value == $active) { $class = 'class="active"'; } $o .= '<li rel="'.$v->value.'" '.$class.'>'.$v->text.'</li>'; } $o .= '</ul>'; } return $o; } public static function getCurrencyRelation($currentCurrency, $defaultCurrency){ $o = ''; if (isset($currentCurrency['id']) && isset($defaultCurrency['id'])) { if ($currentCurrency['id'] == $defaultCurrency['id']) { return ''; } if (isset($currentCurrency['exchange_rate']) && isset($defaultCurrency['exchange_rate'])) { if ($currentCurrency['exchange_rate'] > 0) { $o .= '<div>1 '.$defaultCurrency['code'] . ' = '. PhocacartPrice::cleanPrice($currentCurrency['exchange_rate']). ' '. $currentCurrency['code'].'</div>'; } if ($currentCurrency['exchange_rate'] > 0) { $o .= '<div>1 '.$currentCurrency['code'] . ' = '. PhocacartPrice::cleanPrice(round((1 / $currentCurrency['exchange_rate']), 8)) . ' '. $defaultCurrency['code'].'</div>'; } return $o; } } return; } public static function getCurrentCurrencyRateIfNotDefault() { $currency = self::getCurrency(); if (isset($currency->id) && (int)$currency->id > 0 && isset($currency->exchange_rate) && $currency->exchange_rate != 1) { return $currency->exchange_rate; } else { return 0; } } public final function __clone() { throw new Exception('Function Error: Cannot clone instance of Singleton pattern', 500); return false; } } ?>

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