<?php
/*
* 2007-2014 PrestaShop
*
* NOTICE OF LICENSE
*
* This source file is subject to the Open Software License (OSL 3.0)
* that is bundled with this package in the file LICENSE.txt.
* It is also available through the world-wide-web at this URL:
* http://opensource.org/licenses/osl-3.0.php
* If you did not receive a copy of the license and are unable to
* obtain it through the world-wide-web, please send an email
* to license@prestashop.com so we can send you a copy immediately.
*
* DISCLAIMER
*
* Do not edit or add to this file if you wish to upgrade PrestaShop to newer
* versions in the future. If you wish to customize PrestaShop for your
* needs please refer to http://www.prestashop.com for more information.
*
*  @author PrestaShop SA <contact@prestashop.com>
*  @copyright  2007-2014 PrestaShop SA
*  @license    http://opensource.org/licenses/osl-3.0.php  Open Software License (OSL 3.0)
*  International Registered Trademark & Property of PrestaShop SA
*/

/**
  * ImportModule class, ImportModule.php
  * Import module management
  * @category classes
  *
  */

abstract class ImportModuleCore extends Module
{
	protected $_link = null;
	
	public $server;
	
	public $user;
	
	public $passwd;
	
	public $database;
	
	/** @var string Prefix database */
	public $prefix;
	
	
	public function __destruct()
	{
		if ($this->_link)
			@mysql_close($this->_link);
	}
	
	protected function initDatabaseConnection()
	{
		if ($this->_link != null)
			return $this->_link;
		if ($this->_link = mysql_connect($this->server, $this->user, $this->passwd, true))
		{
			if (!mysql_select_db($this->database, $this->_link))
				die(Tools::displayError('The database selection cannot be made.'));
			if (!mysql_query('SET NAMES \'utf8\'', $this->_link))
				die(Tools::displayError('Fatal error: no UTF-8 support. Please check your server configuration.'));
		}
		else
			die(Tools::displayError('Link to database cannot be established.'));
		return $this->_link;
	}
	
	public function ExecuteS($query)
	{
		$this->initDatabaseConnection();
		$result = mysql_query($query, $this->_link);
		$resultArray = array();
		if ($result !== true)
			while ($row = mysql_fetch_assoc($result))
				$resultArray[] = $row;
		return $resultArray;
	}
	
	public function Execute($query)
	{
		$this->initDatabaseConnection();
		return mysql_query($query, $this->_link);
	}
	
	public function getValue($query)
	{
		$this->initDatabaseConnection();
		$result = $this->executeS($query);
		if (!count($result))
			return 0;
		else
			return array_shift($result[0]);
	}
	
	public static function getImportModulesOnDisk()
	{
		$modules = Module::getModulesOnDisk(true);
		foreach ($modules as $key => $module)
			if (!isset($module->parent_class) || $module->parent_class != 'ImportModule')
				unset($modules[$key]);
		return $modules;
	}
	
	abstract public function getDefaultIdLang();

}