/class/class_plugins.php

<?php

/*

|------------------------------------------------------------------------------------------------------------

| Software: Malleo ( CMS )

| Contact:  SP - http://www.malleo-cms.com

| Support: http://www.malleo-cms.com?module=forum

|  Documentation : Support: http://www.malleo-cms.com?module=wiki

|------------------------------------------------------------------------------------------------------------

|  Author: Stephane RAJALU

|  Copyright (c) 2008-2009, Stephane RAJALU All Rights Reserved

|------------------------------------------------------------------------------------------------------------

|  License: Distributed under the CECILL V2 License

|  This program is distributed in the hope that it will be useful - WITHOUT 

|  ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 

|  FITNESS FOR A PARTICULAR PURPOSE. 

|

| Please read Licence_CeCILL_V2-en.txt

| SVP lisez Licence_CeCILL_V2-fr.txt

|------------------------------------------------------------------------------------------------------------

*/

if ( !defined('PROTECT') )

{

	die("Tentative de Hacking");

}

class plugins

{

	var $liste_plugins = '';

	

	function get_liste_plugins($force=false){

		global $cache;

		if ($force==true){

			$this->liste_plugins = $cache->appel_cache('listing_plugins',true);

		}elseif (!isset($this->liste_plugins) || empty($this->liste_plugins))

		{

			$this->liste_plugins = $cache->appel_cache('listing_plugins');

		}

		return $this->liste_plugins;

	}

	//

	// Execute les requetes SQL situees dans plugins/modules/Nom_Du_Module/infos.xml

	// dans la structure <module><install><requete>CREATE ... </requete><requete>UPDATE ... </requete>...

	function install_plugin($plugin,$type){

		global $root,$c,$cf,$liste_plugins,$cache,$prefixe;

		$dir_plug = ($type==0)? 'modules':'blocs';

		$file = $root.'plugins/'.$dir_plug.'/'.$plugin.'/infos.xml';

		$this->get_liste_plugins();

		if (!array_key_exists($plugin, $this->liste_plugins) && file_exists($file)){

			$xml = simplexml_load_file($file);

			$this->declarer_plugin($plugin,$type,$xml->version);

			if (is_object($xml->install) && is_object($xml->install->requete)){

				foreach($xml->install->requete as $sql){

					// On remplace le prefixe par celui définis par l'auteur du mod

					if (is_object($xml->prefixe) && $xml->prefixe != ''){

						$sql = preg_replace('#([` ])'.$xml->prefixe.'#i','\\1'.$prefixe,$sql);

						

					// A defaut de précision, on consid?re que le prefixe est a_

					}else{

						$sql = preg_replace('#([` ])a_#i','\\1'.$prefixe,$sql);

					}

					if (!$resultat=$c->sql_query($sql)) message_die(E_ERROR,31,__FILE__,__LINE__,$sql);

				}

			}

			$cache->purger_cache();

		}

	}

	

	//

	// Declare le module dans la table plugins

	function declarer_plugin($plugin,$type,$version){

		global $c,$cache,$cf;

		$sql = 'INSERT INTO '.TABLE_PLUGINS.' (plugin, type, version) VALUES ("'.$plugin.'",'.$type.',"'.$version.'")';

		if (!$resultat=$c->sql_query($sql)) message_die(E_ERROR,31,__FILE__,__LINE__,$sql);

		$this->get_liste_plugins(true);

	}

	

	//

	// Update le plugin specifie en parametre

	function update_plugin($plugin,$type){

		global $root,$c;

		

		$this->get_liste_plugins();

		

		// RECUPERATION de la VERSION courante

		$version_courante = $this->liste_plugins[$plugin]['version'];

		$version_atteinte = $version_courante;



		$extract = array();

		$dir_plug = ($type==0)? 'modules':'blocs';

		$file = $root.'plugins/'.$dir_plug.'/'.$plugin.'/infos.xml';

		$xml = simplexml_load_file($file);

		$version_finale = $xml->version;



		// RECUPERATION des requetes de MAJ dans le XML

		if (array_key_exists($plugin, $this->liste_plugins) && file_exists($file)){

			$dom = new DomDocument();

			$dom->load($file);

 			$listeVersions = $dom->getElementsByTagName('step');

			foreach($listeVersions as $version){

				$id_version = $version->getAttribute("id_version");

				if ($id_version > $version_atteinte) $version_atteinte = $id_version;

				$requetes = $version->getElementsByTagName('requete');

				foreach($requetes as $req){

					$extract[$id_version][] = $req->firstChild->nodeValue;

				}

			} 

			ksort($extract);

		}

		

		// EXECUTION des REQUETES de MAJ

		if (sizeof($extract)>0){

			foreach($extract as $id_version=>$paquet){

				if ($id_version > $version_courante AND $id_version <= $version_finale){

					foreach ($paquet as $id=>$sql){

						if (!$resultat=$c->sql_query($sql)) message_die(E_ERROR,31,__FILE__,__LINE__,$sql);

					}

				}

			}

		}

		// MAJ du numero de version en base

		if ($version_finale>$version_courante){

			$sql = 'UPDATE '.TABLE_PLUGINS.' SET version="'.$version_finale.'" 

			WHERE plugin="'.$plugin.'" AND type='.$type;

			if (!$resultat=$c->sql_query($sql)) message_die(E_ERROR,31,__FILE__,__LINE__,$sql);

			

			$this->get_liste_plugins(true);

		}

	}

}



?>