chamilo
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chamilo-lms
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[svn r11757] Fixed several bugs in SCORM export. Now including media files (css, images) attached from inside a document, as soon as it can be found on the server.

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Does files addresses translations and updates files on the fly to transform obscure paths into good relative ones.
skala
Yannick Warnier 18 years ago
parent d92649d861
commit b068a6ab16
1 changed files with 70 additions and 16 deletions
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  1. 82
      main/newscorm/learnpath.class.php

82
main/newscorm/learnpath.class.php
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@ -7256,7 +7256,12 @@ function display_thread_form($action = 'add', $id = 0, $extra_info = '')
$zip_folder=new PclZip($temp_zip_file);
$current_course_path = api_get_path(SYS_COURSE_PATH).api_get_course_path();
$root_path = api_get_path(SYS_PATH);
$main_path = $root_path.api_get_path(REL_PATH);
$rel_path = api_get_path(REL_PATH);
if($rel_path === '/')
{
$rel_path = '';
}
$main_path = $root_path.$rel_path;
//place to temporarily stash the zipfiles
//create the temp dir if it doesn't exist
@ -7316,9 +7321,11 @@ function display_thread_form($action = 'add', $id = 0, $extra_info = '')
//format
$zip_files = array();
$zip_files_abs = array();
$link_updates = array();
foreach($this->items as $index => $item){
//get included documents from this item
$inc_docs = $item->get_resources_from_source();
//error_log('Dealing with document '.$item->get_file_path().', found included documents: '.print_r($inc_docs,true),0);
//give a child element <item> to the <organization> element
$my_item = $xmldoc->createElement('item');
$my_item->setAttribute('identifier','ITEM_'.$item->get_id());
@ -7366,6 +7373,7 @@ function display_thread_form($action = 'add', $id = 0, $extra_info = '')
$i = 1;
foreach($inc_docs as $doc_info)
{
if(count($doc_info)<1 or empty($doc_info[0])){continue;}
$my_dep = $xmldoc->createElement('resource');
$res_id = 'RESOURCE_'.$item->get_id().'_'.$i;
$my_dep->setAttribute('identifier',$res_id);
@ -7373,6 +7381,7 @@ function display_thread_form($action = 'add', $id = 0, $extra_info = '')
$my_dep->setAttribute('adlc:scormtype','asset');
$my_dep_file = $xmldoc->createElement('file');
//check type of URL
//error_log('Now dealing with '.$doc_info[0].' of type '.$doc_info[1].'-'.$doc_info[2],0);
if($doc_info[1] == 'remote')
{ //remote file. Save url as is
$my_dep_file->setAttribute('href',$doc_info[0]);
@ -7388,18 +7397,34 @@ function display_thread_form($action = 'add', $id = 0, $extra_info = '')
$my_dep_file->setAttribute('href',$doc_info[0]);
$my_dep->setAttribute('xml:base','');
$zip_files_abs[] = $doc_info[0];
$current_dir = dirname($current_course_path.'/'.$item->get_file_path()).'/';
$file_path = realpath($doc_info[0]);
if(strstr($file_path,$main_path) !== false)
{//the calculated real path is really inside the dokeos root path
//reduce file path to what's under the DocumentRoot
$file_path = substr($file_path,strlen($root_path));
//error_log('Reduced path: '.$file_path,0);
$zip_files_abs[] = $file_path;
$link_updates[$my_file_path][] = array('orig'=>$doc_info[0],'dest'=>$file_path);
$my_dep_file->setAttribute('href','document/'.$file_path);
$my_dep->setAttribute('xml:base','');
}
break;
case 'rel': //path relative to the current document. Save xml:base as current document's directory and save file in zip as subdir.file_path
if(substr($doc_info[0],0,2)=='..')
{ //relative path going up
$current_dir = dirname($current_course_path.'/'.$item->get_file_path());
$file_path = realpath($current_dir.'/'.$doc_info);
if(strstr($file_path,$main_path) === 0)
$current_dir = dirname($current_course_path.'/'.$item->get_file_path()).'/';
$file_path = realpath($current_dir.$doc_info[0]);
//error_log($file_path.' <-> '.$main_path,0);
if(strstr($file_path,$main_path) !== false)
{//the calculated real path is really inside the dokeos root path
//reduce file path to what's under the DocumentRoot
$file_path = substr($file_path,strlen($root_path));
$zip_file_abs[] = $file_path;
$my_dep_file->setAttribute('href',$doc_info[0]);
//error_log('Reduced path: '.$file_path,0);
$zip_files_abs[] = $file_path;
$link_updates[$my_file_path][] = array('orig'=>$doc_info[0],'dest'=>$file_path);
$my_dep_file->setAttribute('href','document/'.$file_path);
$my_dep->setAttribute('xml:base','');
}
}else{
@ -7434,26 +7459,55 @@ function display_thread_form($action = 'add', $id = 0, $extra_info = '')
$xmldoc->appendChild($root);
//error_log(print_r($zip_files,true),0);
$garbage_path = api_get_path(GARBAGE_PATH);
$sys_course_path = api_get_path(SYS_COURSE_PATH);
foreach($zip_files as $file_path)
{
if(empty($file_path)){continue;}
//error_log('getting document from '.api_get_path('SYS_COURSE_PATH').$_course['path'].'/'.$file_path.' removing '.api_get_path('SYS_COURSE_PATH').$_course['path'].'/',0);
$this->create_path(api_get_path('GARBAGE_PATH').$temp_dir_short.'/'.$file_path);
$dest_file = $garbage_path.$temp_dir_short.'/'.$file_path;
$this->create_path($dest_file);
//error_log('copy '.api_get_path('SYS_COURSE_PATH').$_course['path'].'/'.$file_path.' to '.api_get_path('GARBAGE_PATH').$temp_dir_short.'/'.$file_path,0);
copy(api_get_path('SYS_COURSE_PATH').$_course['path'].'/'.$file_path,api_get_path('GARBAGE_PATH').$temp_dir_short.'/'.$file_path);
$zip_folder->add(api_get_path('GARBAGE_PATH').$temp_dir_short.'/'.$file_path,PCLZIP_OPT_REMOVE_PATH, api_get_path('GARBAGE_PATH'));
copy($sys_course_path.$_course['path'].'/'.$file_path,$dest_file);
//check if the file needs a link update
if(in_array($file_path,array_keys($link_updates))){
$string = file_get_contents($dest_file);
unlink($dest_file);
foreach($link_updates[$file_path] as $old_new)
{
//error_log('Replacing '.$old_new['orig'].' by '.$old_new['dest'].' in '.$file_path,0);
$string = str_replace($old_new['orig'],$old_new['dest'],$string);
}
file_put_contents($dest_file,$string);
}
$zip_folder->add($dest_file,PCLZIP_OPT_REMOVE_PATH, $garbage_path);
}
foreach($zip_files_abs as $file_path)
{
if(empty($file_path)){continue;}
//error_log('getting document from '.api_get_path('SYS_COURSE_PATH').$_course['path'].'/'.$file_path.' removing '.api_get_path('SYS_COURSE_PATH').$_course['path'].'/',0);
$this->create_path(api_get_path('GARBAGE_PATH').$temp_dir_short.'/'.$file_path);
$dest_file = $garbage_path.$temp_dir_short.'/document/'.$file_path;
$this->create_path($dest_file);
//error_log('Created path '.api_get_path('GARBAGE_PATH').$temp_dir_short.'/document/'.$file_path,0);
//error_log('copy '.api_get_path('SYS_COURSE_PATH').$_course['path'].'/'.$file_path.' to '.api_get_path('GARBAGE_PATH').$temp_dir_short.'/'.$file_path,0);
copy(api_get_path('SYS_COURSE_PATH').$file_path,api_get_path('GARBAGE_PATH').$temp_dir_short.'/'.$file_path);
$zip_folder->add(api_get_path('GARBAGE_PATH').$temp_dir_short.'/'.$file_path,PCLZIP_OPT_REMOVE_PATH, api_get_path('GARBAGE_PATH'));
copy($main_path.$file_path,$dest_file);
//check if the file needs a link update
if(in_array($file_path,array_keys($link_updates))){
$string = file_get_contents($dest_file);
unlink($dest_file);
foreach($link_updates[$file_path] as $old_new)
{
//error_log('Replacing '.$old_new['orig'].' by '.$old_new['dest'].' in '.$file_path,0);
$string = str_replace($old_new['orig'],$old_new['dest'],$string);
}
file_put_contents($dest_file,$string);
}
$zip_folder->add($dest_file,PCLZIP_OPT_REMOVE_PATH, $garbage_path);
}
//Finalize the imsmanifest structure, add to the zip, then return the zip
$xmldoc->save(api_get_path(GARBAGE_PATH).'/'.$temp_dir_short.'/imsmanifest.xml');
$zip_folder->add(api_get_path('GARBAGE_PATH').'/'.$temp_dir_short.'/imsmanifest.xml',PCLZIP_OPT_REMOVE_PATH, api_get_path('GARBAGE_PATH').'/');
$xmldoc->save($garbage_path.'/'.$temp_dir_short.'/imsmanifest.xml');
$zip_folder->add($garbage_path.'/'.$temp_dir_short.'/imsmanifest.xml',PCLZIP_OPT_REMOVE_PATH, $garbage_path.'/');
//Send file to client
$name = 'scorm_export_'.$this->lp_id.'.zip';

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