File Source for openoffice_document.class.php

<?php //$id:$
/**
* Defines the OpenOfficeDocument class, which is meant as a mother class
* to help in the conversion of Office documents to learning paths
* @package dokeos.learnpath.openofficedocument
* @author Eric Marguin <eric.marguin@dokeos.com>
* @license GNU/GPL - See Dokeos license directory for details
*/
/**
* Defines the "OpenofficeDocument" child of class "learnpath"
* @package dokeos.learnpath.aicc
*/
abstract class OpenofficeDocument extends learnpath {
public $first_item = 0;
public $original_charset = 'utf-8';
public $original_locale = 'en_US.UTF-8';
/**
* Class constructor. Based on the parent constructor.
* @param string Course code
* @param integer Learnpath ID in DB
* @param integer User ID
*/
function OpenofficeDocument($course_code=null,$resource_id=null,$user_id=null) {
if($this->debug>0){error_log('In OpenofficeDocument::OpenofficeDocument()',0);}
if(!empty($course_code) and !empty($resource_id) and !empty($user_id))
{
parent::learnpath($course_code, $resource_id, $user_id);
}else{
//do nothing but still build the presentation object
}
}
function convert_document($file, $action_after_conversion='make_lp'){
global $_course, $_user, $_configuration;
$this->file_name = (strrpos($file['name'],'.')>0 ? substr($file['name'], 0, strrpos($file['name'],'.')) : $file['name']);
$this->file_name = remove_accents($this->file_name);
$this->file_name = replace_dangerous_char($this->file_name,'strict');
$this->file_name = strtolower($this->file_name);
$visio_dir = ($action_after_conversion=='add_docs_to_visio')?VIDEOCONF_UPLOAD_PATH:'';
$this->file_path = $visio_dir.'/'.$this->file_name.'.'.pathinfo($file['name'],PATHINFO_EXTENSION);
$dir_name = $visio_dir.'/'.$this->file_name;
//create the directory
$this->base_work_dir = api_get_path(SYS_COURSE_PATH).$_course['path'].'/document';
$this->created_dir = create_unexisting_directory($_course,$_user['user_id'],0,0,$this->base_work_dir,$dir_name);
move_uploaded_file($file['tmp_name'],$this->base_work_dir.'/'.$this->file_path);
$perm = api_get_setting('permissions_for_new_files');
$classpath = '-cp .:jodconverter-2.2.1.jar:jodconverter-cli-2.2.1.jar';
if(strpos($_ENV['OS'],'Windows') !== false)
{
$classpath = str_replace(':',';',$classpath);
}
if(strpos($_ENV['OS'],'Windows') !== false)
{
$cmd = 'cd '.str_replace('/','\\',api_get_path(SYS_PATH).'main/inc/lib/ppt2png ').$classpath.' DokeosConverter';
}
else
{
$cmd = 'cd '.api_get_path(SYS_PATH).'main/inc/lib/ppt2png && java '.$classpath.' DokeosConverter';
}
$cmd .= ' -p '.api_get_setting('service_ppt2lp','port');
// call to the function implemented by child
$cmd .= $this -> add_command_parameters();
// to allow openoffice to manipulate docs.
chmod ($this->base_work_dir.$this->created_dir,0777);
chmod ($this->base_work_dir.'/'.$this->file_path,0777);
$locale = $this->original_locale; // TODO : improve it because we're not sure this locale is present everywhere
putenv('LC_ALL='.$locale);
$shell = exec($cmd, $files, $return);
if($return != 0) { //if the java application returns an error code
switch($return)
{
// can't connect to openoffice
case 1 : $this->error = get_lang('CannotConnectToOpenOffice');break;
// conversion failed in openoffice
case 2 : $this->error = get_lang('OogieConversionFailed');break;
// conversion can't be launch because command failed
case 255 : $this->error = get_lang('OogieUnknownError');break;
}
DocumentManager::delete_document($_course, $dir_name, $this->base_work_dir);
return false;
}
// create lp
$this->lp_id = learnpath::add_lp($_course['id'], ucfirst(pathinfo($file['name'], PATHINFO_FILENAME)),'','guess','manual');
// call to the function implemented by child following action_after_conversion parameter
switch ($action_after_conversion)
{
case 'make_lp':$this -> make_lp($files);
break;
case 'add_docs_to_visio':$this -> add_docs_to_visio($files);
break;
}
$perm = api_get_setting('permissions_for_new_directories');
$perm = octdec(!empty($perm)?$perm:0770);
chmod ($this->base_work_dir.$this->created_dir,$perm);
return $this->first_item;
}
abstract function make_lp();
abstract function add_docs_to_visio();
abstract function add_command_parameters();
}
?>

Source for file openoffice_document.class.php