<?php
/**
 * GForge File Release Facility
 *
 * Copyright 2002 GForge, LLC
 * http://gforge.org/
 *
 * @version   $Id: FRSRelease.class 4853 2005-10-31 18:17:58Z lcorso $
 *
 * This file is part of GForge.
 *
 * GForge is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * GForge is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with GForge; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 */


require_once('common/include/Error.class');
require_once('common/frs/FRSFile.class');

/**
 *	  Factory method which creates a FRSRelease from an release id
 *
 *	  @param int	  The release id
 *	  @param array	The result array, if it's passed in
 *	  @return object  FRSRelease object
 */
function &frsrelease_get_object($release_id, $data=false) {
	global $FRSRELEASE_OBJ;
	if (!isset($FRSRELEASE_OBJ['_'.$release_id.'_'])) {
		if ($data) {
					//the db result handle was passed in
		} else {
			$res=db_query("SELECT * FROM frs_release WHERE
			release_id='$release_id'");
			if (db_numrows($res)<1 ) {
				$FRSRELEASE_OBJ['_'.$release_id.'_']=false;
				return false;
			}
			$data =& db_fetch_array($res);
		}
		$FRSPackage =& frspackage_get_object($data['package_id']);
		$FRSRELEASE_OBJ['_'.$release_id.'_']= new FRSRelease($FRSPackage,$data['release_id'],$data);
	}
	return $FRSRELEASE_OBJ['_'.$release_id.'_'];
}

class FRSRelease extends Error {

	/**
	 * Associative array of data from db.
	 *
	 * @var  array   $data_array.
	 */
	var $data_array;

	/**
	 * The FRSPackage.
	 *
	 * @var  object  FRSPacakge.
	 */
	var $FRSPackage;
	var $release_files;

	/**
	 *  Constructor.
	 *
	 *  @param  object  The FRSPackage object to which this release is associated.
	 *  @param  int  The release_id.
	 *  @param  array   The associative array of data.
	 *	@return	boolean	success.
	 */
	function FRSRelease(&$FRSPackage, $release_id=false, $arr=false) {
		$this->Error();
		if (!$FRSPackage || !is_object($FRSPackage)) {
			$this->setError('FRSRelease:: No Valid FRSPackage Object');
			return false;
		}
		if ($FRSPackage->isError()) {
			$this->setError('FRSRelease:: '.$FRSPackage->getErrorMessage());
			return false;
		}
		$this->FRSPackage =& $FRSPackage;

		if ($release_id) {
			if (!$arr || !is_array($arr)) {
				if (!$this->fetchData($release_id)) {
					return false;
				}
			} else {
				$this->data_array =& $arr;
				if ($this->data_array['package_id'] != $this->FRSPackage->getID()) {
					$this->setError('FRSPackage_id in db result does not match FRSPackage Object');
					$this->data_array=null;
					return false;
				}
			}
		}
		return true;
	}

	/**
	 *	create - create a new release in the database.
	 *
	 *	@param	string	The name of the release.
	 *	@param	string	The release notes for the release.
	 *	@param	string	The change log for the release.
	 *	@param	int	Whether the notes/log are preformatted with \n chars (1) true (0) false.
	 *	@param	int	The unix date of the release.
	 *	@return	boolean success.
	 */
	function create($name,$notes,$changes,$preformatted,$release_date=false) {
		global $Language;
		if (strlen($name) < 3) {
			$this->setError($Language->getText('frs_release','error_min_name_length'));
			return false;
		}

		if ($preformatted) {
			$preformatted = 1;
		} else {
			$preformatted = 0;
		}

		$perm =& $this->FRSPackage->Group->getPermission( session_get_user() );

		if (!$perm || !is_object($perm) || !$perm->isReleaseTechnician()) {
			$this->setPermissionDeniedError();
			return false;
		}

		if (!$release_date) {
			$release_date=time();
		}
		$res=db_query("SELECT * FROM frs_release WHERE package_id='".$this->FRSPackage->getID()."'
			AND name='".htmlspecialchars($name)."'");
		if (db_numrows($res)) {
			$this->setError('FRSRelease::create() Error Adding Release: Name Already Exists');
			return false;
		}

		$sql="INSERT INTO frs_release(package_id,notes,changes,
				preformatted,name,release_date,released_by,status_id)
			VALUES ('".$this->FRSPackage->getId()."','".htmlspecialchars($notes)."','".htmlspecialchars($changes)."',
				'$preformatted','".htmlspecialchars($name)."','$release_date','".user_getid()."','1')";

		db_begin();
		$result=db_query($sql);
		if (!$result) {
			db_rollback();
			$this->setError('FRSRelease::create() Error Adding Release: '.db_error());
			return false;
		}
		$this->release_id=db_insertid($result,'frs_release','release_id');
		if (!$this->fetchData($this->release_id)) {
			db_rollback();
			return false;
		} else {
			$newdirlocation = $GLOBALS['sys_upload_dir'].'/'.$this->FRSPackage->Group->getUnixName().'/'.$this->FRSPackage->getFileName().'/'.$this->getFileName();
			exec("/bin/mkdir $newdirlocation",$out);
			db_commit();
			return true;
		}
	}

	/**
	 *  fetchData - re-fetch the data for this Release from the database.
	 *
	 *  @param  int  The release_id.
	 *  @return	boolean	success.
	 */
	function fetchData($release_id) {
		$sql="SELECT * FROM frs_release
			WHERE release_id='$release_id'
			AND package_id='". $this->FRSPackage->getID() ."'";
		$res=db_query($sql);
		if (!$res || db_numrows($res) < 1) {
			$this->setError('FRSRelease::fetchData()  Invalid release_id');
			return false;
		}
		$this->data_array =& db_fetch_array($res);
		db_free_result($res);
		return true;
	}

	/**
	 *  getFRSPackage - get the FRSPackage object this release is associated with.
	 *
	 *  @return	object	The FRSPackage object.
	 */
	function &getFRSPackage() {
		return $this->FRSPackage;
	}

	/**
	 *  getID - get this release_id.
	 *
	 *  @return	int	The id of this release.
	 */
	function getID() {
		return $this->data_array['release_id'];
	}

	/**
	 *  getName - get the name of this release.
	 *
	 *  @return string  The name of this release.
	 */
	function getName() {
		return $this->data_array['name'];
	}

	/**
	 *  getFileName - get the filename of this release.
	 *
	 *  @return string  The filename of this release.
	 */
	function getFileName() {
		return eregi_replace("[^-A-Z0-9_\.]",'',$this->data_array['name']);
	}

	/**
	 *  getStatus - get the status of this release.
	 *
	 *  @return int	The status.
	 */
	function getStatus() {
		return $this->data_array['status_id'];
	}

	/**
	 *  getNotes - get the release notes of this release.
	 *
	 *  @return string	The release notes.
	 */
	function getNotes() {
		return $this->data_array['notes'];
	}

	/**
	 *  getChanges - get the changelog of this release.
	 *
	 *  @return string	The changelog.
	 */
	function getChanges() {
		return $this->data_array['changes'];
	}

	/**
	 *  getPreformatted - get the preformatted option of this release.
	 *
	 *  @return	boolean	preserve_formatting.
	 */
	function getPreformatted() {
		return $this->data_array['preformatted'];
	}

	/**
	 *  getReleaseDate - get the releasedate of this release.
	 *
	 *  @return int	The release date in unix time.
	 */
	function getReleaseDate() {
		return $this->data_array['release_date'];
	}

	/**
	 *  sendNotice - the logic to send an email/jabber notice for a release.
	 *
	 *  @return	boolean	success.
	 */
	function sendNotice() {
		global $Language;
		$arr =& $this->FRSPackage->getMonitorIDs();

		$date = date('Y-m-d H:i',time());
		$proto = "http://";
		if ($GLOBALS['sys_use_ssl']) {
			$proto = "https://";
		}

		$subject = $Language->getText('frs_release','email_title',array(
		$this->FRSPackage->Group->getUnixName(),
		$this->FRSPackage->getName()));
		$text = stripcslashes($Language->getText('frs_release','email_text',array(
		$this->FRSPackage->Group->getPublicName(),
		$this->FRSPackage->Group->getUnixName(),
		$this->FRSPackage->getName(),
		"<${proto}".getStringFromServer('HTTP_HOST')."/project/showfiles.php?group_id=". $this->FRSPackage->Group->getID() ."&release_id=". $this->getID().">",
		$GLOBALS['sys_name'],
		"<${proto}".getStringFromServer('HTTP_HOST')."/frs/monitor.php?filemodule_id=".$this->FRSPackage->getID()."&group_id=".$this->FRSPackage->Group->getID()."&stop=1>")));
			

		$text = util_line_wrap($text);
		if (count($arr)) {
			util_handle_message(array_unique($arr),$subject,$text);
		}
		
	}

	/**
	 *	getFiles - gets all the file objects for files in this release.
	 *
	 *	return	array	Array of FRSFile Objects.
	 */
	function &getFiles() {
		if (!is_array($this->release_files) || count($this->release_files) < 1) {
			$this->release_files=array();
			$res=db_query("SELECT * FROM frs_file_vw WHERE release_id='".$this->getID()."'");
			while ($arr = db_fetch_array($res)) {
				$this->release_files[]=new FRSFile($this,$arr['file_id'],$arr);
			}
		}
		return $this->release_files;
	}

	/**
	 *  delete - delete this release and all its related data.
	 *
	 *  @param  bool	I'm Sure.
	 *  @param  bool	I'm REALLY sure.
	 *  @return   bool true/false;
	 */
	function delete($sure, $really_sure) {
		if (!$sure || !$really_sure) {
			$this->setMissingParamsError();
			return false;
		}
		$perm =& $this->FRSPackage->Group->getPermission( session_get_user() );

		if (!$perm || !is_object($perm) || !$perm->isReleaseTechnician()) {
			$this->setPermissionDeniedError();
			return false;
		}
		$f =& $this->getFiles();
		for ($i=0; $i<count($f); $i++) {
			if (!is_object($f[$i]) || $f[$i]->isError() || !$f[$i]->delete()) {
				$this->setError('File Error: '.$f[$i]->getName().':'.$f[$i]->getErrorMessage());
				return false;
			}
		}
		$dir=$GLOBALS['sys_upload_dir'].'/'.
			$this->FRSPackage->Group->getUnixName() . '/' .
			$this->FRSPackage->getFileName().'/'.
			$this->getFileName().'/';
		
		// double-check we're not trying to remove root dir
		if (util_is_root_dir($dir)) {
			$this->setError('Release::delete error: trying to delete root dir');
			return false;
		}
		exec('rm -rf '.$dir);
		
		db_query("DELETE FROM frs_release WHERE release_id='".$this->getID()."'
			AND package_id='".$this->FRSPackage->getID()."'");
		return true;
	}

	/**
	 *	create - create a new release in the database.
	 *
	 *	@param	int	The status of this release from the frs_status table.
	 *	@param	string	The name of the release.
	 *	@param	string	The release notes for the release.
	 *	@param	string	The change log for the release.
	 *	@param	int	Whether the notes/log are preformatted with \n chars (1) true (0) false.
	 *	@param	int	The unix date of the release.
	 *	@return	boolean success.
	 */
	function update($status,$name,$notes,$changes,$preformatted,$release_date) {

		global $Language;
		if (strlen($name) < 3) {
			$this->setError($Language->getText('frs_release','error_min_name_length'));
			return false;
		}
		
		$perm =& $this->FRSPackage->Group->getPermission( session_get_user() );

		if (!$perm || !is_object($perm) || !$perm->isReleaseTechnician()) {
			$this->setPermissionDeniedError();
			return false;
		}

		if ($preformatted) {
			$preformatted = 1;
		} else {
			$preformatted = 0;
		}
		
		if($this->getName()!=htmlspecialchars($name)) {
			$res=db_query("SELECT * FROM frs_release WHERE package_id='".$this->FRSPackage->getID()."'
			AND name='".htmlspecialchars($name)."'");
			if (db_numrows($res)) {
				$this->setError('FRSRelease::create() Error Adding Release: Name Already Exists');
				return false;
			}
		}		
		db_begin();
		$res=db_query("UPDATE frs_release
			SET
			name='".htmlspecialchars($name)."',
			status_id='$status',
			notes='".htmlspecialchars($notes)."',
			changes='".htmlspecialchars($changes)."',
			preformatted='$preformatted',
			release_date='$release_date',
			released_by='". user_getid() ."'
			WHERE package_id='".$this->FRSPackage->getID()."'
			AND release_id='".$this->getID()."'");

		if (!$res || db_affected_rows($res) < 1) {
			db_rollback();
			$this->setError('FRSRelease::update() Error On Update: '.db_error());
			return false;
		}

		$oldfilename = $this->getFileName();
		if(!$this->fetchData($this->getID())){
			db_rollback();
			$this->setError('FRSRelease::update() Error Updating Release: Couldn´t fetch data');
			return false;
		}
		$newfilename = $this->getFileName();
		$olddirlocation = $GLOBALS['sys_upload_dir'].'/'.$this->FRSPackage->Group->getUnixName().'/'.$this->FRSPackage->getFileName().'/'.$oldfilename;
		$newdirlocation = $GLOBALS['sys_upload_dir'].'/'.$this->FRSPackage->Group->getUnixName().'/'.$this->FRSPackage->getFileName().'/'.$newfilename;
	
		if(($oldfilename!=$newfilename)){
			if(is_dir($newdirlocation)){
				db_rollback();
				$this->setError('FRSRelease::update() Error Updating Release: Directory Already Exists');
				return false;	
			} else {
				if(!rename($olddirlocation,$newdirlocation)) {
					db_rollback();
					$this->setError('FRSRelease::update() Error Updating Release: Couldn´t rename dir');
					return false;
				}
			}
		}	
		db_commit();
		return true;
	}

}

?>