<?php
//#################################################################################################
//	Module class
//#################################################################################################
//	chillyCMS - Content Management System
//	Copyright (C) 2008
//	Stefanie Wiegand <hide@address.com> & Johannes Cox <hide@address.com>
//	
//	This program is licensed under the GPL 3.0 license. For more information see LICENSE.txt.
//#################################################################################################
defined('DOIT') or die('Restricted access');

require_once("database.class.php");

class Module {
	//Class variables//////////////////////////////////////////////////////////////////////////
	private $modid;
	private $name;				//Name of the module == folder in /modules
	private $author;
	private $version;
	private $type;				//0=main module, 1=submodule
	private $outputfile;			//file that manages the output (mostly index.php)
	private $settings;
	//Functions////////////////////////////////////////////////////////////////////////////////
	//Constructor for creating/uploading a module
	function __construct() {}
	//Destructor
	function __destruct() { $modid=$name=$author=$version=$type=$outputfile=$settings=false; }
	//Getter
	public function __get($name) {
		if (isset($this->$name)) { return $this->$name; }
		else { return false; }	
	}
	//Store to database
	function store() {
		global $l_core,$page;

		$action="insert";
		$error=false;
		
		$page->query("select name,version from system_modules where name='$this->name' limit 1");
		$result = $page->db->getdata();
		//module already exists
		if (is_array($result) && !empty($result)) {
			//is it a new version? -> update
			if (version_compare($this->version,$result["version"],">")) {
				$action="update";
			//it is the same or an old version: do nothing
			} else {
				$page->debug('Module already exists in same or newer version');
				return array($l_core["msg_modexists_err"],"bad");		
			}	
		}

		if ($action=="insert") {
			$page->debug('New module - inserting...');
			$sql="insert into system_modules (`name`,`author`,`version`,`type`) values ".
			"('$this->name','$this->author','$this->version',$this->type)";
		} elseif ($action=="update") {
			$page->debug('Existing module - updating...');
			$sql="update system_modules set ".
			"`author`='$this->author',`version`='$this->version',`type`=$this->type where name='$this->name'";
		}
		if (!$page->query($sql)) { $error=true; }

		if (!$error) { $msg = array($l_core["msg_modupload_ok"].": ".$this->name,"good"); }
		else { $msg = array($l_core["msg_modupload_err"]." ".$this->name,"bad"); }
		return $msg;
	}
	//fill in data
	function fill($name,$author,$version,$type,$outputfile,$settings=null) {
		//Set values
		$this->modid="";
		$this->name=$name;
		$this->author=$author;
		$this->version=$version;
		$this->type=$type;
		$this->outputfile=$outputfile;
		$this->settings=$settings;
	}
	//Load data from database
	function load($id) {
		global $page;
		
		$page->query("select * from system_modules where modid=$id limit 1");
		$result = $page->db->getdata();
		$this->modid = $id;
		$this->name = $result["name"];
		$this->author = $result["author"];
		$this->version = $result["version"];
		$this->type = $result["type"];
		$this->settings = $result["settings"];
		//load outputfile
		include(PATH."/modules/".$this->name."/config.php");
		$this->outputfile = $outputfile;
	}
} ?>