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convertECB.php 0000644 00000012720 15235526273 0007263 0 ustar 00 <?php
if( !defined( '_JEXEC' ) ) die( 'Direct Access to '.basename(__FILE__).' is not allowed.' );
/**
* ECB Currency Converter Module
*
* @version $Id: convertECB.php 10533 2021-09-09 20:00:36Z Milbo $
* @package VirtueMart
* @subpackage classes
* @copyright Copyright (C) 2004-2008 soeren - All rights reserved.
* @license http://www.gnu.org/copyleft/gpl.html GNU/GPL, see LICENSE.php
* VirtueMart is free software. This version may have been modified pursuant
* to the GNU General Public License, and as distributed it includes or
* is derivative of works licensed under the GNU General Public License or
* other free or open source software licenses.
* See /administrator/components/com_virtuemart/COPYRIGHT.php for copyright notices and details.
*
* http://virtuemart.org
*/
/**
* This class uses the currency rates provided by an XML file from the European Central Bank
* Requires cURL or allow_url_fopen
*/
class convertECB {
var $document_address = 'https://www.ecb.europa.eu/stats/eurofxref/eurofxref-daily.xml';
var $info_address = 'https://www.ecb.int/stats/eurofxref/';
var $supplier = 'European Central Bank';
/**
* Converts an amount from one currency into another using
* the rate conversion table from the European Central Bank
*
* @param float $amountA
* @param string $currA defaults to $vendor_currency
* @param string $currB defaults to
* @return mixed The converted amount when successful, false on failure
*/
function convert( $amountA, $currA='', $currB='', $a2rC = true, $relatedCurrency = 'EUR') {
if($currA==$currB){
return $amountA;
}
static $globalCurrencyConverter = false;
if(!$globalCurrencyConverter){
$cache = VmConfig::getCache('convertECB');
$cache->setLifeTime(360); // check 4 time per day
$cache->setCaching(1); //enable caching
$globalCurrencyConverter = $cache->get( array( 'convertECB', 'getSetExchangeRates' ),array($this->document_address ));
}
if(!$globalCurrencyConverter ){
return $amountA;
} else {
$valA = isset( $globalCurrencyConverter[$currA] ) ? $globalCurrencyConverter[$currA] : 1.0;
$valB = isset( $globalCurrencyConverter[$currB] ) ? $globalCurrencyConverter[$currB] : 1.0;
$val = (float)$amountA * (float)$valB / (float)$valA;
return $val;
}
}
static function getSetExchangeRates($ecb_filename){
$archive = true;
setlocale(LC_TIME, "en-GB");
$now = time() + 3600; // Time in ECB (Germany) is GMT + 1 hour (3600 seconds)
if (date("I")) {
$now += 3600; // Adjust for daylight saving time
}
$weekday_now_local = gmdate('w', $now); // week day, important: week starts with sunday (= 0) !!
$date_now_local = gmdate('Ymd', $now);
$time_now_local = gmdate('Hi', $now);
$time_ecb_update = '1415';
if( is_writable(VMPATH_ROOT .'/cache') ) {
$store_path = VMPATH_ROOT .'/cache';
}
else {
$store_path = VMPATH_ROOT .'/media';
}
$archivefile_name = $store_path.'/daily.xml';
$val = '';
if(file_exists($archivefile_name) && filesize( $archivefile_name ) > 0 ) {
// timestamp for the Filename
$file_datestamp = date('Ymd', filemtime($archivefile_name));
// check if today is a weekday - no updates on weekends
if( date( 'w' ) > 0 && date( 'w' ) < 6
// compare filedate and actual date
&& $file_datestamp != $date_now_local
// if localtime is greater then ecb-update-time go on to update and write files
&& $time_now_local > $time_ecb_update) {
$curr_filename = $ecb_filename;
}
else {
$curr_filename = $archivefile_name;
$last_updated = $file_datestamp;
$archive = false;
}
}
else {
$curr_filename = $ecb_filename;
}
if( !is_writable( $store_path )) {
$archive = false;
vmError( "The file $archivefile_name can't be created. The directory $store_path is not writable" );
}
if( $curr_filename == $ecb_filename ) {
// Fetch the file from the internet
if (!$contents = VmConnector::handleCommunication( $curr_filename )) {
if (isset($file_datestamp)) {
$contents = @file_get_contents( $curr_filename );
}
} else $last_updated = date('Ymd');
}
else {
$contents = @file_get_contents( $curr_filename );
}
if( $contents ) {
// if archivefile does not exist
if( $archive ) {
// now write new file
file_put_contents( $archivefile_name, $contents );
}
$contents = str_replace ("<Cube currency='USD'", " <Cube currency='EUR' rate='1'/> <Cube currency='USD'", $contents);
/* XML Parsing */
$xmlDoc = new DomDocument();
if( !$xmlDoc->loadXML($contents) ) {
//todo
vmError('Failed to parse the Currency Converter XML document.');
vmError('The content: '.$contents);
// $GLOBALS['product_currency'] = $vendor_currency;
return false;
}
$currency_list = $xmlDoc->getElementsByTagName( "Cube" );
// Loop through the Currency List
$length = $currency_list->length;
for ($i = 0; $i < $length; $i++) {
$currNode = $currency_list->item($i);
if(!empty($currNode) && !empty($currNode->attributes->getNamedItem("currency")->nodeValue)){
$currency[$currNode->attributes->getNamedItem("currency")->nodeValue] = $currNode->attributes->getNamedItem("rate")->nodeValue;
unset( $currNode );
}
}
$globalCurrencyConverter = $currency;
}
else {
$globalCurrencyConverter = false;
vmError( 'Failed to retrieve the Currency Converter XML document.');
// return false;
}
return $globalCurrencyConverter;
}
}
// pure php no closing tag
convertECB.xml 0000644 00000001371 15235526273 0007274 0 ustar 00 <?xml version="1.0" encoding="UTF-8" ?>
<install type="currency_converter" version="1.2.0">
<name>ECB Currency Converter</name>
<author><![CDATA[Sören Eberhardt-Biermann]]></author>
<creationdate>28. January 2008</creationdate>
<copyright><![CDATA[Sören Eberhardt-Biermann]]></copyright>
<license>GNU/GPL</license>
<authoremail></authoremail>
<authorurl>http://joomlacode.org/gf/project/jmart/</authorurl>
<version>1.0</version>
<description>Currency Converter Plugin, based on Rates from the European Central Bank</description>
<element>convertECB</element>
<install>
<files>
<filename>convertECB.php</filename>
</files>
<!--<queries>
<query></query>
<query></query>
<query></query>
</queries>-->
</install>
</install>