<?php
/* $Id$ */
namespace MCMS\_\Plugin\Content\MCMS\MMPIMainContent\_\Service;

(defined('MCMS') && (basename(__FILE__) != basename($_SERVER['PHP_SELF']))) or die('ACCESS DENIED');

use \MCMS\System;
use \MCMS\Model\ModuleInstance;

require_once (__DIR__ . __DS__ . 'cls.instancesvcbase.php');

/**
 * Instance handling service
 *
 * @author Stefan Daurer
 */
class InstanceSvc extends InstanceSvcBase {
	private static $TBL_INST = 'moduleinstances';
	private static $TBL_ACL = 'moduleinstanceacl';

	/**
	 * Creates a new module instance in the database
	 *
	 * @param integer $siteId
	 *        	the id of the site
	 * @param string $name
	 *        	the instance name
	 * @param unknown $module        	
	 * @param unknown $access        	
	 */
	public static function createInstance($siteId, $name, $module, $access) {
		$db = System::getInstance()->getDB();
		
		$data = new ModuleInstance();
		$data->site_id = $siteId;
		$data->instance = $name;
		$data->module = $module;
		$data->visible = in_array($access, array('none','user','all','acl')) ? $access : 'none';
		
		$db->table(self::$TBL_INST)->insert($data);
	}

	/**
	 * Removes the basic instance info rows of a module from the database.
	 *
	 * @param integer $siteId
	 *        	the id of the site
	 * @param string $name
	 *        	the instance name
	 */
	public static function removeInstance($siteId, $name) {
		$db = System::getInstance()->getDB();
		
		$search = array();
		$search['site_id'] = $siteId;
		$search['instance'] = $name;
		
		ACLSvc::clearInstanceACL($siteId, $name);
		$db->table(self::$TBL_INST)->delete($search);
	}
}