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<?php
/**
 * [PHPFOX_HEADER]
 */

defined('PHPFOX') or exit('NO DICE!');

/**
 * phpFox Process
 * Class is used to import/export modules. Used mainly in development.
 * 
 * @copyright        [PHPFOX_COPYRIGHT]
 * @author            Raymond Benc
 * @package         Phpfox
 * @version         $Id: process.class.php 1668 2010-07-12 08:54:32Z Raymond_Benc $
 */
final class Phpfox_Process
{
    /**
     * Exports phpFox XML data.
     *
     * @return string XML output.
     */
    public function export()
    {
        $aRows = Phpfox::getLib('database')->select('version_id, ordering')
            ->from(Phpfox::getT('version'))
            ->execute('getRows');
        
        $oXmlBuilder = Phpfox::getLib('xml.builder');
        $oXmlBuilder->addGroup('versions');
            
        foreach ($aRows as $aSetting)
        {
            $oXmlBuilder->addTag('version', '', array(
                'version_id' => $aSetting['version_id'],
                'ordering' => $aSetting['ordering']            
            ));            
        }    
        $oXmlBuilder->closeGroup();
                
        return $oXmlBuilder->output();
    }        
    
    /**
     * Import XML data.
     *
     * @param array $aVals ARRAY of XML data.
     * @param bool $bMissingOnly TRUE to import only missing data.
     * @return bool Always returns TRUE.
     */
    public function import($aVals, $bMissingOnly = false)
    {        
        $aCache = array();
        if ($bMissingOnly)
        {            
            $aRows = Phpfox::getLib('database')->select('version_id')
                ->from(Phpfox::getT('version'))
                ->execute('getRows', array(
                    'free_result' => true
                ));            
            foreach ($aRows as $aRow)
            {
                $aCache[$aRow['version_id']] = $aRow['version_id'];
            }        
        }
        
        $aSql = array();    
        foreach ($aVals['version'] as $aVal)
        {
            if ($bMissingOnly && isset($aCache[$aVal['version_id']]))
            {
                continue;
            }            
            
            $aSql[] = array(    
                $aVal['version_id'],
                $aVal['ordering']
            );
        }
            
        if ($aSql)
        {    
            Phpfox::getLib('database')->multiInsert(Phpfox::getT('version'), array(
                'version_id',
                'ordering'
            ), $aSql);                
        }
        
        return true;
    }
}

?>