<?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
*/

class ZoneCore extends ObjectModel
{
 	/** @var string Name */
	public $name;

	/** @var boolean Zone status */
	public $active = true;

	/**
	 * @see ObjectModel::$definition
	 */
	public static $definition = array(
		'table' => 'zone',
		'primary' => 'id_zone',
		'fields' => array(
			'name' => 	array('type' => self::TYPE_STRING, 'validate' => 'isGenericName', 'required' => true, 'size' => 64),
			'active' => array('type' => self::TYPE_BOOL, 'validate' => 'isBool'),
		),
	);

	protected $webserviceParameters = array();

	/**
	 * Get all available geographical zones
	 *
	 * @param bool $active
	 * @return array Zones
	 */
	public static function getZones($active = false)
	{
		$cache_id = 'Zone::getZones_'.(bool)$active;
		if (!Cache::isStored($cache_id))
		{
			$result = Db::getInstance(_PS_USE_SQL_SLAVE_)->executeS('
				SELECT *
				FROM `'._DB_PREFIX_.'zone`
				'.($active ? 'WHERE active = 1' : '').'
				ORDER BY `name` ASC
			');
			Cache::store($cache_id, $result);
		}
		return Cache::retrieve($cache_id);
	}

	/**
	 * Get a zone ID from its default language name
	 *
	 * @param string $name
	 * @return integer id_zone
	 */
	public static function getIdByName($name)
	{
		return Db::getInstance(_PS_USE_SQL_SLAVE_)->getValue('
			SELECT `id_zone`
			FROM `'._DB_PREFIX_.'zone`
			WHERE `name` = \''.pSQL($name).'\'
		');
	}

	/**
	* Delete a zone
	*
	* @return boolean Deletion result
	*/
	public function delete()
	{
		if (parent::delete())
		{
			// Delete regarding delivery preferences
			$result = Db::getInstance()->execute('DELETE FROM '._DB_PREFIX_.'carrier_zone WHERE id_zone = '.(int)$this->id);
			$result &= Db::getInstance()->execute('DELETE FROM '._DB_PREFIX_.'delivery WHERE id_zone = '.(int)$this->id);

			// Update Country & state zone with 0
			$result &= Db::getInstance()->execute('UPDATE '._DB_PREFIX_.'country SET id_zone = 0 WHERE id_zone = '.(int)$this->id);
			$result &= Db::getInstance()->execute('UPDATE '._DB_PREFIX_.'state SET id_zone = 0 WHERE id_zone = '.(int)$this->id);

			return $result;
		}

		return false;
	}
}