classes/user/CountryDAO.inc.php

<?php

// $Id: CountryDAO.inc.php,v 1.9 2008/07/01 01:16:11 asmecher Exp $


class CountryDAO extends DAO {
   var $cache;

   function CountryDAO() {
   }

   function getFilename($locale = null) {
      if ($locale === null) $locale = Locale::getLocale();
      return Config::getVar('general', 'registry_dir') . "/locale/$locale/countries.xml";
   }

   function &_getCountryCache($locale = null) {
      static $caches;

      if (!isset($locale)) $locale = Locale::getLocale();

      if (!isset($caches)) {
         $caches = array();
      }

      if (!isset($caches[$locale])) {
         import('cache.CacheManager');
         $cacheManager =& CacheManager::getManager();
         $caches[$locale] = $cacheManager->getFileCache(
            'country', $locale,
            array(&$this, '_countryCacheMiss')
         );

         // Check to see if the data is outdated
         $cacheTime = $caches[$locale]->getCacheTime();
         if ($cacheTime !== null && $cacheTime < filemtime($this->getFilename())) {
            $caches[$locale]->flush();
         }
      }
      return $caches[$locale];
   }

   function _countryCacheMiss(&$cache, $id) {
      static $countries;
      if (!isset($countries)) {
         $countries = array();
      }

      if (!isset($countries[$id])) {
         // Reload country registry file
         $xmlDao = &new XMLDAO();
         $data = $xmlDao->parseStruct($this->getFilename(), array('countries', 'country'));

         if (isset($data['countries'])) {
            foreach ($data['country'] as $countryData) {
               $countries[$id][$countryData['attributes']['code']] = $countryData['attributes']['name'];
            }
         }
         asort($countries[$id]);
         $cache->setEntireCache($countries[$id]);
      }
      return null;
   }

   function &getCountries($locale = null) {
      $cache =& $this->_getCountryCache($locale);
      return $cache->getContents();
   }

   function getCountry($code, $locale = null) {
      $cache =& $this->_getCountryCache($locale);
      return $cache->get($code);
   }
}

?>

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