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Artykuły w etykiet: kurs
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poniedziałek, 17 października 2011 20:53

Aktualizowanie kursu walut na podstawie kursów NBP

I zamieniamy go na:

Standardowo w oscommerce dostępna jest aktualizacja kursów walut z banków światowych. W Polsce jednak bardziej opłaca się korzystać z kursów NBP.

Na początek zmieniamy plik zarządzający aktualizacją kursów walut, czyli admin/includes/functions/localization.php. Usuwamy z niego dotychczasową zawartość i wstawiamy:

testKod: php
  1. <?php
  2. /*
  3.  $Id: localization.php 1739 2007-12-20 00:52:16Z hpdl $
  4.  
  5.  osCommerce, Open Source E-Commerce Solutions
  6.  www.oscommerce.com
  7.  
  8.  Copyright (c) 2003 osCommerce
  9.  
  10.  Released under the GNU General Public License
  11. */ 
  12.  function xml_to_array( $file ) {
  13.  $parser = xml_parser_create();
  14.  xml_parser_set_option( $parser, XML_OPTION_CASE_FOLDING, 0 );
  15.  xml_parser_set_option( $parser, XML_OPTION_SKIP_WHITE, 1 );
  16.  xml_parse_into_struct( $parser, $file, $tags );
  17.  xml_parser_free( $parser );
  18.  
  19.  $elements = array();
  20.  $stack = array();
  21.  foreach ( $tags as $tag )
  22.  {
  23.  $index = count( $elements );
  24.  if ( $tag['type'] == "complete" || $tag['type'] == "open" )
  25.  {
  26.  $elements[$index] = array();
  27.  $elements[$index]['name'] = $tag['tag'];
  28.  $elements[$index]['attributes'] = $tag['attributes'];
  29.  $elements[$index]['content'] = $tag['value'];
  30.  
  31.  if ( $tag['type'] == "open" )
  32.  {    # push
  33.  $elements[$index]['children'] = array();
  34.  $stack[count($stack)] = &$elements;
  35.  $elements = &$elements[$index]['children'];
  36.  }
  37.  }
  38.  
  39.  if ( $tag['type'] == "close" )
  40.  {    # pop
  41.  $elements = &$stack[count($stack) - 1];
  42.  unset($stack[count($stack) - 1]);
  43.  }
  44.  }
  45.  return $elements[0];
  46.  }
  47.  function nazwa_aktualnego_kursu() {
  48.  $alte_url = "http://nbp.pl/Kursy/KursyA.html";
  49.  $alte_params = '';
  50.  $alte_user_agent = "Mozilla/4.0 (compatible; MSIE 5.01; Windows NT 5.0)";
  51.  $alte_ch = curl_init();
  52.  curl_setopt($alte_ch, CURLOPT_URL,$alte_url);
  53.  curl_setopt($alte_ch, CURLOPT_SSL_VERIFYHOST, 2);
  54.  curl_setopt($alte_ch, CURLOPT_USERAGENT, $alte_user_agent);
  55.  curl_setopt($alte_ch, CURLOPT_RETURNTRANSFER,1);
  56.  curl_setopt($alte_ch, CURLOPT_SSL_VERIFYPEER, FALSE);
  57.  $alte_page=curl_exec ($alte_ch);
  58.  curl_close ($alte_ch);
  59.  $tresc = $alte_page;
  60.  $wzorzec = '/xml\/[\d\w]+\.xml/';
  61.  $sukces  = preg_match($wzorzec, $tresc, $pasujace);
  62.  if (empty($pasujace)) return false;
  63.  return $pasujace[0];
  64.  }
  65.  
  66.  
  67.  function quote_nbp_currency($code, $base = DEFAULT_CURRENCY) {
  68.  if($code == $base) return 1;
  69.  $aktualny_kurs = nazwa_aktualnego_kursu();
  70.  $alte_url = "http://nbp.pl/Kursy/".$aktualny_kurs;
  71.  $alte_user_agent = "Mozilla/4.0 (compatible; MSIE 5.01; Windows NT 5.0)";
  72.  $alte_ch = curl_init();
  73.  curl_setopt($alte_ch, CURLOPT_URL,$alte_url);
  74.  curl_setopt($alte_ch, CURLOPT_SSL_VERIFYHOST, 2);
  75.  curl_setopt($alte_ch, CURLOPT_USERAGENT, $alte_user_agent);
  76.  curl_setopt($alte_ch, CURLOPT_RETURNTRANSFER,1);
  77.  curl_setopt($alte_ch, CURLOPT_SSL_VERIFYPEER, FALSE);
  78.  $alte_page=curl_exec ($alte_ch);
  79.  curl_close ($alte_ch);
  80.  $tresc = $alte_page;
  81.  
  82.  $tresc = xml_to_array($tresc);
  83.  
  84.  $i=0;
  85.  for($i=0, $n=sizeof($tresc['children']); $i<$n; $i++){
  86.  if(isset($tresc['children'][$i]['children'][2]['content'])) {
  87.  if($tresc['children'][$i]['children'][2]['content'] == $code){
  88.  $kurs = str_replace(',', '.', $tresc['children'][$i]['children'][3]['content']);
  89.  $kurs = 1/$kurs;
  90.  return $kurs;
  91.  }
  92.  }
  93.  }
  94.  
  95.  return false;
  96.  }
  97.  
  98.  function quote_oanda_currency($code, $base = DEFAULT_CURRENCY) {
  99.  
  100.  $alte_url = "http://www.oanda.com/convert/fxdaily";
  101.  $alte_params = 'value=1&redirected=1&exch=' . $code .  '&format=CSV&dest=Get+Table&sel_list=' . $base;
  102.  $alte_user_agent = "Mozilla/4.0 (compatible; MSIE 5.01; Windows NT 5.0)";
  103.  
  104.  $alte_ch = curl_init();
  105.  curl_setopt($alte_ch, CURLOPT_POST,1);
  106.  curl_setopt($alte_ch, CURLOPT_POSTFIELDS,$alte_params);
  107.  curl_setopt($alte_ch, CURLOPT_URL,$alte_url);
  108.  curl_setopt($alte_ch, CURLOPT_SSL_VERIFYHOST, 2);
  109.  curl_setopt($alte_ch, CURLOPT_USERAGENT, $alte_user_agent);
  110.  curl_setopt($alte_ch, CURLOPT_RETURNTRANSFER,1);
  111.  curl_setopt($alte_ch, CURLOPT_SSL_VERIFYPEER, FALSE);
  112.  
  113.  $alte_page=curl_exec ($alte_ch);
  114.  curl_close ($alte_ch);
  115.  
  116.  $page = explode("\n",$alte_page);
  117.  
  118.  $match = array();
  119.  
  120.  preg_match('/(.+),(\w{3}),([0-9.]+),([0-9.]+)/i', implode('', $page), $match);
  121.  
  122.  if (sizeof($match) > 0) {
  123.  return $match[3];
  124.  } else {
  125.  return false;
  126.  }
  127.  }
  128.  
  129.  function quote_xe_currency($to, $from = DEFAULT_CURRENCY) {
  130.  
  131.  $alte_url = "http://www.xe.net/ucc/convert.cgi";
  132.  $alte_params = 'Amount=1&From=' . $from . '&To=' . $to;
  133.  $alte_user_agent = "Mozilla/4.0 (compatible; MSIE 5.01; Windows NT 5.0)";
  134.  
  135.  $alte_ch = curl_init();
  136.  curl_setopt($alte_ch, CURLOPT_POST,1);
  137.  curl_setopt($alte_ch, CURLOPT_POSTFIELDS,$alte_params);
  138.  curl_setopt($alte_ch, CURLOPT_URL,$alte_url);
  139.  curl_setopt($alte_ch, CURLOPT_SSL_VERIFYHOST, 2);
  140.  curl_setopt($alte_ch, CURLOPT_USERAGENT, $alte_user_agent);
  141.  curl_setopt($alte_ch, CURLOPT_RETURNTRANSFER,1);
  142.  curl_setopt($alte_ch, CURLOPT_SSL_VERIFYPEER, FALSE);
  143.  
  144.  $alte_page=curl_exec ($alte_ch);
  145.  curl_close ($alte_ch);
  146.  
  147.  $page = explode("\n",$alte_page);
  148.  
  149.  $match = array();
  150.  
  151.  preg_match('/[0-9.]+\s*' . $from . '\s*=\s*([0-9.]+)\s*' . $to . '/', implode('', $page), $match);
  152.  
  153.  if (sizeof($match) > 0) {
  154.  return $match[1];
  155.  } else {
  156.  return false;
  157.  }
  158.  }
  159. ?>

Następnie edytujemy plik admin/currencies.php. Odszukujemy kod:

testKod: php
  1. case 'update':
  2.  $server_used = CURRENCY_SERVER_PRIMARY;
  3.  
  4.  $currency_query = tep_db_query("select currencies_id, code, title from " . TABLE_CURRENCIES);
  5.  while ($currency = tep_db_fetch_array($currency_query)) {
  6.  $quote_function = 'quote_' . CURRENCY_SERVER_PRIMARY . '_currency';
  7.  $rate = $quote_function($currency['code']);
  8.  
  9.  if (empty($rate) && (tep_not_null(CURRENCY_SERVER_BACKUP))) {
  10.  $messageStack->add_session(sprintf(WARNING_PRIMARY_SERVER_FAILED, CURRENCY_SERVER_PRIMARY, $currency['title'], $currency['code']), 'warning');
  11.  
  12.  $quote_function = 'quote_' . CURRENCY_SERVER_BACKUP . '_currency';
  13.  $rate = $quote_function($currency['code']);
  14.  
  15.  $server_used = CURRENCY_SERVER_BACKUP;
  16.  }
  17.  
  18.  if (tep_not_null($rate)) {
  19.  tep_db_query("update " . TABLE_CURRENCIES . " set value = '" . $rate . "', last_updated = now() where currencies_id = '" . (int)$currency['currencies_id'] . "'");
  20.  
  21.  $messageStack->add_session(sprintf(TEXT_INFO_CURRENCY_UPDATED, $currency['title'], $currency['code'], $server_used), 'success');
  22.  } else {
  23.  $messageStack->add_session(sprintf(ERROR_CURRENCY_INVALID, $currency['title'], $currency['code'], $server_used), 'error');
  24.  }
  25.  }
  26.  
  27.  tep_redirect(tep_href_link(FILENAME_CURRENCIES, 'page=' . $HTTP_GET_VARS['page'] . '&cID=' . $HTTP_GET_VARS['cID']));
  28.  break;

i zamieniamy go na:

testKod: php
  1. case 'update':
  2.  $server_used = CURRENCY_SERVER_PRIMARY;
  3.  
  4.  $currency_query = tep_db_query("select currencies_id, code, title from " . TABLE_CURRENCIES);
  5.  while ($currency = tep_db_fetch_array($currency_query)) {
  6.  $quote_function = 'quote_' . CURRENCY_SERVER_PRIMARY . '_currency';
  7.  $rate = $quote_function($currency['code']);
  8.  
  9.  if (empty($rate) && (tep_not_null(CURRENCY_SERVER_BACKUP))) {
  10.  $messageStack->add_session(sprintf(WARNING_PRIMARY_SERVER_FAILED, CURRENCY_SERVER_PRIMARY, $currency['title'], $currency['code']), 'warning');
  11.  
  12.  $quote_function = 'quote_' . CURRENCY_SERVER_BACKUP . '_currency';
  13.  $rate = $quote_function($currency['code']);
  14.  
  15.  $server_used = CURRENCY_SERVER_BACKUP;
  16.  }
  17.  
  18.  if (empty($rate) && (tep_not_null(CURRENCY_SERVER_BACKUP2))) {
  19.  $messageStack->add_session(sprintf(WARNING_PRIMARY_SERVER_FAILED, CURRENCY_SERVER_BACKUP, $currency['title'], $currency['code']), 'warning');
  20.  
  21.  $quote_function = 'quote_' . CURRENCY_SERVER_BACKUP2 . '_currency';
  22.  $rate = $quote_function($currency['code']);
  23.  
  24.  $server_used = CURRENCY_SERVER_BACKUP2;
  25.  }
  26.  
  27.  if ($rate > 0) {
  28.  tep_db_query("update " . TABLE_CURRENCIES . " set value = '" . $rate . "', last_updated = now() where currencies_id = '" . (int)$currency['currencies_id'] . "'");
  29.  
  30.  $messageStack->add_session(sprintf(TEXT_INFO_CURRENCY_UPDATED, $currency['title'], $currency['code'], $server_used), 'success');
  31.  } else {
  32.  $messageStack->add_session(sprintf(ERROR_CURRENCY_INVALID, $currency['title'], $currency['code'], $server_used), 'error');
  33.  }
  34.  }
  35.  
  36.  tep_redirect(tep_href_link(FILENAME_CURRENCIES, 'page=' . $HTTP_GET_VARS['page'] . '&cID=' . $HTTP_GET_VARS['cID']));
  37.  break;

Na koniec edytujemy plik admin/includes/application_top.php. Odszukujemy w nim kod:

testKod: php
  1. define('CURRENCY_SERVER_PRIMARY', 'oanda');
  2. define('CURRENCY_SERVER_BACKUP', 'xe');

I zamieniamy go na:

testKod: php
  1. define('CURRENCY_SERVER_PRIMARY', 'nbp');
  2. define('CURRENCY_SERVER_BACKUP', 'oanda');
  3. define('CURRENCY_SERVER_BACKUP2', 'xe');

Dodatkowe informacje

  • Wersja skepu osCommerce Merchant rc2.2, Merchant 2.3, Proffesional 1.0.3
  • Dostępne wersje językowe Polska
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