Chamilo is a learning management system focused on ease of use and accessibility
You can not select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
 
 
 
 
 
 
chamilo-lms/main/coursecopy/classes/CourseRestorer.class.php

2791 lines
123 KiB

<?php
/* For licensing terms, see /license.txt */
require_once 'Course.class.php';
require_once 'Event.class.php';
require_once 'Link.class.php';
require_once 'ToolIntro.class.php';
require_once 'LinkCategory.class.php';
require_once 'ForumCategory.class.php';
require_once 'Forum.class.php';
require_once 'ForumTopic.class.php';
require_once 'ForumPost.class.php';
require_once 'CourseDescription.class.php';
require_once 'CourseCopyLearnpath.class.php';
require_once 'Survey.class.php';
require_once 'SurveyQuestion.class.php';
require_once 'Glossary.class.php';
require_once 'wiki.class.php';
require_once 'Thematic.class.php';
require_once 'Work.class.php';
define('FILE_SKIP', 1);
define('FILE_RENAME', 2);
define('FILE_OVERWRITE', 3);
define('UTF8_CONVERT', false); //false by default
/**
* Class CourseRestorer
*
* Class to restore items from a course object to a Chamilo-course
* @author Bart Mollet <bart.mollet@hogent.be>
* @author Julio Montoya <gugli100@gmail.com> Several fixes/improvements
* @package chamilo.backup
*/
class CourseRestorer
{
/**
* The course-object
*/
public $course;
public $destination_course_info;
/**
* What to do with files with same name (FILE_SKIP, FILE_RENAME or
* FILE_OVERWRITE)
*/
public $file_option;
public $set_tools_invisible_by_default;
public $skip_content;
public $tools_to_restore = array(
'announcements',
'attendance',
'course_descriptions',
'documents',
'events',
'forum_category',
'forums',
// 'forum_topics',
'glossary',
'quizzes',
'test_category',
'links',
'learnpaths',
'surveys',
//'scorm_documents', ??
'tool_intro',
'thematic',
'wiki',
'works',
);
/** Setting per tool */
public $tool_copy_settings = array();
/**
* If true adds the text "copy" in the title of an item (only for LPs right now)
*
**/
public $add_text_in_items = false;
/**
* Create a new CourseRestorer
*/
public function __construct($course)
{
$this->course = $course;
$course_info = api_get_course_info($this->course->code);
if (!empty($course_info)) {
$this->course_origin_id = $course_info['real_id'];
} else {
$this->course_origin_id = null;
}
$this->file_option = FILE_RENAME;
$this->set_tools_invisible_by_default = false;
$this->skip_content = array();
}
/**
* Set the file-option
* @param int $option (optional) What to do with files with same name
* FILE_SKIP, FILE_RENAME or FILE_OVERWRITE
*/
public function set_file_option($option = FILE_OVERWRITE)
{
$this->file_option = $option;
}
/**
* @param string $status
*/
public function set_add_text_in_items($status)
{
$this->add_text_in_items = $status;
}
/**
* @param array $array
*/
public function set_tool_copy_settings($array)
{
$this->tool_copy_settings = $array;
}
/**
* Restore a course.
*
* @param string $destination_course_code code of the Chamilo-course in
* @param int $session_id
* @param bool $update_course_settings Course settings are going to be restore?
* @param bool $respect_base_content
* @return bool
*/
public function restore(
$destination_course_code = '',
$session_id = 0,
$update_course_settings = false,
$respect_base_content = false
) {
if ($destination_course_code == '') {
$course_info = api_get_course_info();
$this->destination_course_info = $course_info;
$this->course->destination_path = $course_info['path'];
} else {
$course_info = api_get_course_info($destination_course_code);
$this->destination_course_info = $course_info;
$this->course->destination_path = $course_info['path'];
}
$this->destination_course_id = $course_info['real_id'];
//Getting first teacher (for the forums)
$teacher_list = CourseManager::get_teacher_list_from_course_code($course_info['code']);
$this->first_teacher_id = api_get_user_id();
if (!empty($teacher_list)) {
foreach ($teacher_list as $teacher) {
$this->first_teacher_id = $teacher['user_id'];
break;
}
}
if (empty($this->course)) {
return false;
}
// Source platform encoding - reading/detection
// The correspondent data field has been added as of version 1.8.6.1
if (empty($this->course->encoding)) {
// The archive has been created by a system which is prior to 1.8.6.1 version.
// In this case we have to detect the encoding.
$sample_text = $this->course->get_sample_text()."\n";
// Let us exclude ASCII lines, probably they are English texts.
$sample_text = explode("\n", $sample_text);
foreach ($sample_text as $key => &$line) {
if (api_is_valid_ascii($line)) {
unset($sample_text[$key]);
}
}
$sample_text = join("\n", $sample_text);
$this->course->encoding = api_detect_encoding($sample_text, $course_info['language']);
}
// Encoding conversion of the course, if it is needed.
$this->course->to_system_encoding();
foreach ($this->tools_to_restore as $tool) {
$function_build = 'restore_'.$tool;
$this->$function_build($session_id, $respect_base_content, $destination_course_code);
}
if ($update_course_settings) {
$this->restore_course_settings($destination_course_code);
}
// Restore the item properties
$table = Database :: get_course_table(TABLE_ITEM_PROPERTY);
$condition_session = "";
if (!empty($session_id)) {
$condition_session = " , session_id ='".intval($session_id)."'";
}
foreach ($this->course->resources as $type => $resources) {
if (is_array($resources)) {
foreach ($resources as $id => $resource) {
foreach ($resource->item_properties as $property) {
// First check if there isn't already a record for this resource
$sql = "SELECT * FROM $table
WHERE
c_id = ".$this->destination_course_id." AND
tool = '".$property['tool']."' AND
ref = '".$resource->destination_id."'";
$res = Database::query($sql);
if( Database::num_rows($res) == 0) {
/* The to_group_id and to_user_id are set to default
values as users/groups possibly not exist in
the target course*/
$sql = "INSERT INTO $table SET
c_id = '".$this->destination_course_id."',
tool = '".self::DBUTF8escapestring($property['tool'])."',
insert_user_id = '".self::DBUTF8escapestring($property['insert_user_id'])."',
insert_date = '".self::DBUTF8escapestring($property['insert_date'])."',
lastedit_date = '".self::DBUTF8escapestring($property['lastedit_date'])."',
ref = '".self::DBUTF8escapestring($resource->destination_id)."',
lastedit_type = '".self::DBUTF8escapestring($property['lastedit_type'])."',
lastedit_user_id = '".self::DBUTF8escapestring($property['lastedit_user_id'])."',
visibility = '".self::DBUTF8escapestring($property['visibility'])."',
start_visible = '".self::DBUTF8escapestring($property['start_visible'])."',
end_visible = '".self::DBUTF8escapestring($property['end_visible'])."',
to_user_id = '".self::DBUTF8escapestring($property['to_user_id'])."',
to_group_id = '0' $condition_session" ;
;
Database::query($sql);
}
}
}
}
}
}
/**
* Restore only harmless course settings:
* course_language, visibility, department_name,department_url,
* subscribe, unsubscribe ,category_code
*
* @param string $destination_course_code
*/
public function restore_course_settings($destination_course_code)
{
$origin_course_info = api_get_course_info($destination_course_code);
$course_info = $this->course->info;
$params['course_language'] = $course_info['language'];
$params['visibility'] = $course_info['visibility'];
$params['department_name'] = $course_info['department_name'];
$params['department_url'] = $course_info['department_url'];
$params['category_code'] = $course_info['categoryCode'];
$params['subscribe'] = $course_info['subscribe_allowed'];
$params['unsubscribe'] = $course_info['unsubscribe'];
CourseManager::update_attributes($origin_course_info['real_id'], $params);
}
/**
* Restore documents
*
* @param int $session_id
* @param bool $respect_base_content
* @param string $destination_course_code
*/
public function restore_documents($session_id = 0, $respect_base_content = false, $destination_course_code = '')
{
$course_info = api_get_course_info($destination_course_code);
if ($this->course->has_resources(RESOURCE_DOCUMENT)) {
$table = Database :: get_course_table(TABLE_DOCUMENT);
$resources = $this->course->resources;
$path = api_get_path(SYS_COURSE_PATH).$this->course->destination_path.'/';
foreach ($resources[RESOURCE_DOCUMENT] as $id => $document) {
if (empty($document->item_properties[0]['id_session'])) {
$my_session_id = 0;
} else {
$my_session_id = $session_id;
}
if ($document->file_type == FOLDER) {
$visibility = $document->item_properties[0]['visibility'];
/*if (!empty($document->title)) {
$title = $document->title;
} else {
$title = basename($document->path);
}*/
$new = substr($document->path, 8);
$folderList = explode('/', $new);
$tempFolder = '';
// Check if the parent path exists.
foreach ($folderList as $folder) {
$folderToCreate = $tempFolder.$folder;
$sysFolderPath = $path.'document'.$folderToCreate;
$tempFolder .= $folder.'/';
if (empty($folderToCreate)) {
continue;
}
$title = basename($sysFolderPath);
// File doesn't exist in file system.
if (!is_dir($sysFolderPath)) {
// Creating directory
create_unexisting_directory(
$course_info,
api_get_user_id(),
$my_session_id,
0,
0,
$path.'document',
$folderToCreate,
$title,
$visibility
);
} else {
// File exist in file system.
$documentData = DocumentManager::get_document_id(
$course_info,
$folderToCreate,
$my_session_id
);
if (empty($documentData)) {
/* This means the folder exists in the
filesystem but not in the DB, trying to fix it */
add_document(
$course_info,
$folderToCreate,
'folder',
0,
$title,
null,
null,
false,
null,
$my_session_id
);
}
}
}
} elseif ($document->file_type == DOCUMENT) {
//Checking if folder exists in the database otherwise we created it
$dir_to_create = dirname($document->path);
if (!empty($dir_to_create) && $dir_to_create != 'document' && $dir_to_create != '/') {
if (is_dir($path.dirname($document->path))) {
$sql = "SELECT id FROM $table
WHERE
c_id = ".$this->destination_course_id." AND
path = '/".self::DBUTF8escapestring(substr(dirname($document->path), 9))."'";
$res = Database::query($sql);
if (Database::num_rows($res) == 0) {
//continue;
$visibility = $document->item_properties[0]['visibility'];
$new = '/'.substr(dirname($document->path), 9);
$title = str_replace('/', '', $new);
// This code fixes the possibility for a file without a directory entry to be
$document_id = add_document(
$course_info,
$new,
'folder',
0,
$title,
null,
null,
false
);
api_item_property_update(
$course_info,
TOOL_DOCUMENT,
$document_id,
'FolderCreated',
$document->item_properties[0]['insert_user_id'],
$document->item_properties[0]['to_group_id'],
$document->item_properties[0]['to_user_id'],
null,
null,
$my_session_id
);
}
}
}
if (file_exists($path.$document->path)) {
switch ($this->file_option) {
case FILE_OVERWRITE :
$origin_path = $this->course->backup_path.'/'.$document->path;
if (file_exists($origin_path)) {
copy($origin_path, $path.$document->path);
$sql = "SELECT id FROM $table
WHERE
c_id = ".$this->destination_course_id." AND
path = '/".self::DBUTF8escapestring(substr($document->path, 9))."'";
$res = Database::query($sql);
$count = Database::num_rows($res);
if ($count == 0) {
$sql = "INSERT INTO $table SET
path = '/".self::DBUTF8escapestring(substr($document->path, 9))."',
c_id = ".$this->destination_course_id.",
comment = '".self::DBUTF8escapestring($document->comment)."',
title = '".self::DBUTF8escapestring($document->title)."' ,
filetype ='".$document->file_type."',
size = '".$document->size."',
session_id = '$my_session_id'";
Database::query($sql);
$document_id = Database::insert_id();
$this->course->resources[RESOURCE_DOCUMENT][$id]->destination_id = $document_id;
api_item_property_update(
$course_info,
TOOL_DOCUMENT,
$document_id,
'DocumentAdded',
$document->item_properties[0]['insert_user_id'],
$document->item_properties[0]['to_group_id'],
$document->item_properties[0]['to_user_id'],
null,
null,
$my_session_id
);
} else {
$obj = Database::fetch_object($res);
$document_id = $obj->id;
$sql = "UPDATE ".$table." SET
path = '/".self::DBUTF8escapestring(substr($document->path, 9))."',
c_id = ".$this->destination_course_id.",
comment = '".self::DBUTF8escapestring($document->comment)."',
title = '".self::DBUTF8escapestring($document->title)."' ,
filetype ='".$document->file_type."',
size = '".$document->size."',
session_id = '$my_session_id'
WHERE
c_id = ".$this->destination_course_id." AND
path = '/".self::DBUTF8escapestring(substr($document->path, 9))."'";
Database::query($sql);
$this->course->resources[RESOURCE_DOCUMENT][$id]->destination_id = $obj->id;
api_item_property_update(
$course_info,
TOOL_DOCUMENT,
$obj->id,
'default',
$document->item_properties[0]['insert_user_id'],
$document->item_properties[0]['to_group_id'],
$document->item_properties[0]['to_user_id'],
null,
null,
$my_session_id
);
}
// Replace old course code with the new destination code
$file_info = pathinfo($path.$document->path);
if (in_array($file_info['extension'], array('html', 'htm'))) {
$content = file_get_contents($path.$document->path);
if (UTF8_CONVERT) $content = utf8_encode($content);
$content = DocumentManager::replace_urls_inside_content_html_from_copy_course(
$content,
$this->course->code,
$this->course->destination_path,
$this->course->backup_path,
$this->course->info['path']
);
file_put_contents($path.$document->path,$content);
}
$sql = "UPDATE $table SET
comment = '".self::DBUTF8escapestring($document->comment)."',
title='".self::DBUTF8escapestring($document->title)."',
size='".$document->size."'
WHERE
c_id = ".$this->destination_course_id." AND
id = '".$document_id."'";
Database::query($sql);
}
break;
case FILE_SKIP :
$sql = "SELECT id FROM $table
WHERE
c_id = ".$this->destination_course_id." AND
path='/".self::DBUTF8escapestring(substr($document->path, 9))."'";
$res = Database::query($sql);
$obj = Database::fetch_object($res);
$this->course->resources[RESOURCE_DOCUMENT][$id]->destination_id = $obj->id;
break;
case FILE_RENAME :
$i = 1;
$ext = explode('.', basename($document->path));
if (count($ext) > 1) {
$ext = array_pop($ext);
$file_name_no_ext = substr($document->path, 0, - (strlen($ext) + 1));
$ext = '.'.$ext;
} else {
$ext = '';
$file_name_no_ext = $document->path;
}
$new_file_name = $file_name_no_ext.'_'.$i.$ext;
$file_exists = file_exists($path.$new_file_name);
while ($file_exists) {
$i ++;
$new_file_name = $file_name_no_ext.'_'.$i.$ext;
$file_exists = file_exists($path.$new_file_name);
}
if (!empty($session_id)) {
$document_path = explode('/',$document->path,3);
$course_path = $path;
$orig_base_folder = $document_path[1];
$orig_base_path = $course_path.$document_path[0].'/'.$document_path[1];
if (is_dir($orig_base_path)) {
$new_base_foldername = $orig_base_folder;
$new_base_path = $orig_base_path;
if ($_SESSION['orig_base_foldername'] != $new_base_foldername) {
unset($_SESSION['new_base_foldername']);
unset($_SESSION['orig_base_foldername']);
unset($_SESSION['new_base_path']);
}
$folder_exists = file_exists($new_base_path);
if ($folder_exists) {
$_SESSION['orig_base_foldername'] = $new_base_foldername; // e.g: carpeta1 in session
$x = '';
while ($folder_exists) {
$x = $x + 1;
$new_base_foldername = $document_path[1].'_'.$x;
$new_base_path = $orig_base_path.'_'.$x;
if ($_SESSION['new_base_foldername'] == $new_base_foldername) {
break;
}
$folder_exists = file_exists($new_base_path);
}
$_SESSION['new_base_foldername'] = $new_base_foldername;
$_SESSION['new_base_path'] = $new_base_path;
}
if (isset($_SESSION['new_base_foldername']) && isset($_SESSION['new_base_path'])) {
$new_base_foldername = $_SESSION['new_base_foldername'];
$new_base_path = $_SESSION['new_base_path'];
}
$dest_document_path = $new_base_path.'/'.$document_path[2]; // e.g: "/var/www/wiener/courses/CURSO4/document/carpeta1_1/subcarpeta1/collaborative.png"
$basedir_dest_path = dirname($dest_document_path); // e.g: "/var/www/wiener/courses/CURSO4/document/carpeta1_1/subcarpeta1"
//$dest_filename = basename($dest_document_path); // e.g: "collaborative.png"
$base_path_document = $course_path.$document_path[0]; // e.g: "/var/www/wiener/courses/CURSO4/document"
$path_title = '/'.$new_base_foldername.'/'.$document_path[2];
copy_folder_course_session(
$basedir_dest_path,
$base_path_document,
$session_id,
$course_info,
$document,
$this->course_origin_id
);
if (file_exists($course_path.$document->path)) {
copy($course_path.$document->path, $dest_document_path);
}
//Replace old course code with the new destination code see BT#1985
if (file_exists($dest_document_path)) {
$file_info = pathinfo($dest_document_path);
if (in_array($file_info['extension'], array('html','htm'))) {
$content = file_get_contents($dest_document_path);
if (UTF8_CONVERT) {
$content = utf8_encode($content);
}
$content = DocumentManager::replace_urls_inside_content_html_from_copy_course(
$content,
$this->course->code,
$this->course->destination_path,
$this->course->backup_path,
$this->course->info['path']
);
file_put_contents($dest_document_path, $content);
}
}
$sql = "INSERT INTO $table SET
path = '$path_title',
c_id = ".$this->destination_course_id.",
comment = '".self::DBUTF8escapestring($document->comment)."',
title = '".self::DBUTF8escapestring(basename($path_title))."' ,
filetype ='".$document->file_type."',
size = '".$document->size."',
session_id = '$my_session_id'";
Database::query($sql);
$document_id = Database::insert_id();
$this->course->resources[RESOURCE_DOCUMENT][$id]->destination_id = $document_id;
api_item_property_update(
$course_info,
TOOL_DOCUMENT,
$document_id,
'DocumentAdded',
$document->item_properties[0]['insert_user_id'],
$document->item_properties[0]['to_group_id'],
$document->item_properties[0]['to_user_id'],
null,
null,
$my_session_id
);
} else {
if (file_exists($path.$document->path)) {
copy($path.$document->path, $path.$new_file_name);
}
//Replace old course code with the new destination code see BT#1985
if (file_exists($path.$new_file_name)) {
$file_info = pathinfo($path.$new_file_name);
if (in_array($file_info['extension'], array('html','htm'))) {
$content = file_get_contents($path.$new_file_name);
if (UTF8_CONVERT) {
$content = utf8_encode($content);
}
$content = DocumentManager::replace_urls_inside_content_html_from_copy_course(
$content,
$this->course->code,
$this->course->destination_path,
$this->course->backup_path,
$this->course->info['path']
);
file_put_contents($path.$new_file_name, $content);
}
}
$sql = "INSERT INTO ".$table." SET
c_id = ".$this->destination_course_id.",
path = '/".self::DBUTF8escapestring(substr($new_file_name, 9))."',
comment = '".self::DBUTF8escapestring($document->comment)."',
title = '".self::DBUTF8escapestring($document->title)."' ,
filetype ='".$document->file_type."',
size = '".$document->size."',
session_id = '$my_session_id'";
Database::query($sql);
$document_id = Database::insert_id();
$this->course->resources[RESOURCE_DOCUMENT][$id]->destination_id = $document_id;
api_item_property_update(
$course_info,
TOOL_DOCUMENT,
$document_id,
'DocumentAdded',
$document->item_properties[0]['insert_user_id'],
$document->item_properties[0]['to_group_id'],
$document->item_properties[0]['to_user_id'],
null,
null,
$my_session_id
);
}
} else {
copy($this->course->backup_path.'/'.$document->path, $path.$new_file_name);
//Replace old course code with the new destination code see BT#1985
if (file_exists($path.$new_file_name)) {
$file_info = pathinfo($path.$new_file_name);
if (in_array($file_info['extension'], array('html','htm'))) {
$content = file_get_contents($path.$new_file_name);
if (UTF8_CONVERT) {
$content = utf8_encode($content);
}
$content = DocumentManager::replace_urls_inside_content_html_from_copy_course(
$content,
$this->course->code,
$this->course->destination_path,
$this->course->backup_path,
$this->course->info['path']
);
file_put_contents($path.$new_file_name, $content);
}
}
$sql = "INSERT INTO ".$table." SET
c_id = ".$this->destination_course_id.",
path = '/".self::DBUTF8escapestring(substr($new_file_name, 9))."',
comment = '".self::DBUTF8escapestring($document->comment)."',
title = '".self::DBUTF8escapestring($document->title)."' ,
filetype ='".$document->file_type."',
size = '".$document->size."',
session_id = '$my_session_id'";
Database::query($sql);
$document_id = Database::insert_id();
$this->course->resources[RESOURCE_DOCUMENT][$id]->destination_id = $document_id;
api_item_property_update(
$course_info,
TOOL_DOCUMENT,
$document_id,
'DocumentAdded',
$document->item_properties[0]['insert_user_id'],
$document->item_properties[0]['to_group_id'],
$document->item_properties[0]['to_user_id'],
null,
null,
$my_session_id
);
}
break;
} // end switch
} else {
// end if file exists
//make sure the source file actually exists
if (is_file($this->course->backup_path.'/'.$document->path) &&
is_readable($this->course->backup_path.'/'.$document->path) &&
is_dir(dirname($path.$document->path)) &&
is_writeable(dirname($path.$document->path))
) {
//echo 'Copying';
copy($this->course->backup_path.'/'.$document->path, $path.$document->path);
//Replace old course code with the new destination code see BT#1985
if (file_exists($path.$document->path)) {
$file_info = pathinfo($path.$document->path);
if (in_array($file_info['extension'], array('html','htm'))) {
$content = file_get_contents($path.$document->path);
if (UTF8_CONVERT) {
$content = utf8_encode($content);
}
$content = DocumentManager::replace_urls_inside_content_html_from_copy_course(
$content,
$this->course->code,
$this->course->destination_path,
$this->course->backup_path,
$this->course->info['path']
);
file_put_contents($path.$document->path, $content);
}
}
$sql = "INSERT INTO ".$table." SET
c_id = ".$this->destination_course_id.",
path = '/".substr($document->path, 9)."',
comment = '".self::DBUTF8escapestring($document->comment)."',
title = '".self::DBUTF8escapestring($document->title)."' ,
filetype='".$document->file_type."',
size= '".$document->size."',
session_id = '$my_session_id'";
Database::query($sql);
$document_id = Database::insert_id();
$this->course->resources[RESOURCE_DOCUMENT][$id]->destination_id = $document_id;
api_item_property_update(
$course_info,
TOOL_DOCUMENT,
$document_id,
'DocumentAdded',
$document->item_properties[0]['insert_user_id'],
$document->item_properties[0]['to_group_id'],
$document->item_properties[0]['to_user_id'],
null,
null,
$my_session_id
);
} else {
//echo 'not Copying';
if (is_file($this->course->backup_path.'/'.$document->path) && is_readable($this->course->backup_path.'/'.$document->path)) {
error_log('Course copy generated an ignoreable error while trying to copy '.$this->course->backup_path.'/'.$document->path.': file not found');
}
if (!is_dir(dirname($path.$document->path))) {
error_log('Course copy generated an ignoreable error while trying to copy to '.dirname($path.$document->path).': directory not found');
}
if (!is_writeable(dirname($path.$document->path))) {
error_log('Course copy generated an ignoreable error while trying to copy to '.dirname($path.$document->path).': directory not writeable');
}
}
} // end file doesn't exist
}
} // end for each
// Delete sessions for the copy the new folder in session
unset($_SESSION['new_base_foldername']);
unset($_SESSION['orig_base_foldername']);
unset($_SESSION['new_base_path']);
}
}
/**
* Restore scorm documents
* TODO @TODO check that the restore function with renaming doesn't break the scorm structure!
* see #7029
*/
public function restore_scorm_documents()
{
$perm = api_get_permissions_for_new_directories();
if ($this->course->has_resources(RESOURCE_SCORM)) {
$resources = $this->course->resources;
foreach ($resources[RESOURCE_SCORM] as $document) {
$path = api_get_path(SYS_COURSE_PATH).$this->course->destination_path.'/';
@mkdir(dirname($path.$document->path), $perm, true);
if (file_exists($path.$document->path)) {
switch ($this->file_option) {
case FILE_OVERWRITE:
rmdirr($path.$document->path);
copyDirTo(
$this->course->backup_path . '/' . $document->path,
$path . dirname($document->path),
false
);
break;
case FILE_SKIP:
break;
case FILE_RENAME:
$i = 1;
$ext = explode('.', basename($document->path));
if (count($ext) > 1) {
$ext = array_pop($ext);
$file_name_no_ext = substr($document->path, 0, - (strlen($ext) + 1));
$ext = '.'.$ext;
} else {
$ext = '';
$file_name_no_ext = $document->path;
}
$new_file_name = $file_name_no_ext.'_'.$i.$ext;
$file_exists = file_exists($path.$new_file_name);
while ($file_exists) {
$i ++;
$new_file_name = $file_name_no_ext.'_'.$i.$ext;
$file_exists = file_exists($path.$new_file_name);
}
rename(
$this->course->backup_path . '/' . $document->path,
$this->course->backup_path . '/' . $new_file_name
);
copyDirTo(
$this->course->backup_path . '/' . $new_file_name,
$path . dirname($new_file_name),
false
);
rename(
$this->course->backup_path . '/' . $new_file_name,
$this->course->backup_path . '/' . $document->path
);
break;
} // end switch
} else {
// end if file exists
copyDirTo(
$this->course->backup_path . '/' . $document->path,
$path . dirname($document->path),
false
);
}
} // end for each
}
}
/**
* Restore forums
*/
public function restore_forums($sessionId = 0)
{
if ($this->course->has_resources(RESOURCE_FORUM)) {
$sessionId = intval($sessionId);
$table_forum = Database::get_course_table(TABLE_FORUM);
$resources = $this->course->resources;
foreach ($resources[RESOURCE_FORUM] as $id => $forum) {
$params = (array)$forum->obj;
$cat_id = '';
if (isset($this->course->resources[RESOURCE_FORUMCATEGORY]) &&
isset($this->course->resources[RESOURCE_FORUMCATEGORY][$params['forum_category']])) {
if ($this->course->resources[RESOURCE_FORUMCATEGORY][$params['forum_category']]->destination_id == -1) {
$cat_id = $this->restore_forum_category(
$params['forum_category'],
$sessionId
);
} else {
$cat_id = $this->course->resources[RESOURCE_FORUMCATEGORY][$params['forum_category']]->destination_id;
}
}
$params = self::DBUTF8_array($params);
$params['c_id'] = $this->destination_course_id;
$params['forum_category'] = $cat_id;
$params['session_id'] = $sessionId;
unset($params['forum_id']);
$params['forum_comment'] = DocumentManager::replace_urls_inside_content_html_from_copy_course(
$params['forum_comment'],
$this->course->code,
$this->course->destination_path,
$this->course->backup_path,
$this->course->info['path']
);
if (!empty($params['forum_image'])) {
$original_forum_image = $this->course->path.'upload/forum/images/'.$params['forum_image'];
if (file_exists($original_forum_image)) {
$new_forum_image = api_get_path(SYS_COURSE_PATH).$this->destination_course_info['path'].'/upload/forum/images/'.$params['forum_image'];
@copy($original_forum_image, $new_forum_image);
}
}
$new_id = Database::insert($table_forum, $params);
$this->course->resources[RESOURCE_FORUM][$id]->destination_id = $new_id;
$forum_topics = 0;
if (is_array($this->course->resources[RESOURCE_FORUMTOPIC])) {
foreach ($this->course->resources[RESOURCE_FORUMTOPIC] as $topic_id => $topic) {
if ($topic->obj->forum_id == $id) {
$this->restore_topic($topic_id, $new_id, $sessionId);
$forum_topics ++;
}
}
}
if ($forum_topics > 0) {
$sql = "UPDATE ".$table_forum." SET forum_threads = ".$forum_topics."
WHERE c_id = {$this->destination_course_id} AND forum_id = ".(int)$new_id;
Database::query($sql);
}
}
}
}
/**
* Restore forum-categories
*/
public function restore_forum_category($my_id = null, $sessionId = 0)
{
$forum_cat_table = Database :: get_course_table(TABLE_FORUM_CATEGORY);
$resources = $this->course->resources;
if (!empty($resources[RESOURCE_FORUMCATEGORY])) {
foreach ($resources[RESOURCE_FORUMCATEGORY] as $id => $forum_cat) {
if (!empty($my_id)) {
if ($my_id != $id) {
continue;
}
}
if ($forum_cat && !$forum_cat->is_restored()) {
$title = $forum_cat->obj->cat_title;
if (!empty($title)) {
if (!preg_match('/.*\((.+)\)$/', $title, $matches)) {
// This is for avoiding repetitive adding of training code after several backup/restore cycles.
if ($matches[1] != $this->course->code) {
$title = $title.' ('.$this->course->code.')';
}
}
}
$params = (array) $forum_cat->obj;
$params['c_id'] = $this->destination_course_id;
$params['cat_comment'] = DocumentManager::replace_urls_inside_content_html_from_copy_course(
$params['cat_comment'],
$this->course->code,
$this->course->destination_path,
$this->course->backup_path,
$this->course->info['path']
);
$params['session_id'] = intval($sessionId);
unset($params['cat_id']);
$params = self::DBUTF8_array($params);
$new_id = Database::insert($forum_cat_table, $params);
$this->course->resources[RESOURCE_FORUMCATEGORY][$id]->destination_id = $new_id;
if (!empty($my_id)) {
return $new_id;
}
}
}
}
}
/**
* Restore a forum-topic
*/
public function restore_topic($thread_id, $forum_id, $sessionId = 0)
{
$table = Database :: get_course_table(TABLE_FORUM_THREAD);
$topic = $this->course->resources[RESOURCE_FORUMTOPIC][$thread_id];
$params = (array)$topic->obj;
$params = self::DBUTF8_array($params);
$params['c_id'] = $this->destination_course_id;
$params['forum_id'] = $forum_id;
$params['thread_poster_id'] = $this->first_teacher_id;
$params['thread_date'] = api_get_utc_datetime();
$params['thread_close_date'] = '0000-00-00 00:00:00';
$params['thread_last_post'] = 0;
$params['thread_replies'] = 0;
$params['thread_views'] = 0;
$params['session_id'] = intval($sessionId);
unset($params['thread_id']);
$new_id = Database::insert($table, $params);
api_item_property_update(
$this->destination_course_info,
TOOL_FORUM_THREAD,
$new_id,
'ThreadAdded',
api_get_user_id(),
0,
0,
null,
null,
$sessionId
);
$this->course->resources[RESOURCE_FORUMTOPIC][$thread_id]->destination_id = $new_id;
$topic_replies = -1;
foreach ($this->course->resources[RESOURCE_FORUMPOST] as $post_id => $post) {
if ($post->obj->thread_id == $thread_id) {
$topic_replies++;
$this->restore_post($post_id, $new_id, $forum_id, $sessionId);
}
}
return $new_id;
}
/**
* Restore a forum-post
* @TODO Restore tree-structure of posts. For example: attachments to posts.
*/
public function restore_post($id, $topic_id, $forum_id, $sessionId = 0)
{
$table_post = Database :: get_course_table(TABLE_FORUM_POST);
$post = $this->course->resources[RESOURCE_FORUMPOST][$id];
$params = (array) $post->obj;
$params['c_id'] = $this->destination_course_id;
$params['forum_id'] = $forum_id;
$params['thread_id'] = $topic_id;
$params['poster_id'] = $this->first_teacher_id;
$params['post_date'] = api_get_utc_datetime();
unset($params['post_id']);
$params['post_text'] = DocumentManager::replace_urls_inside_content_html_from_copy_course(
$params['post_text'],
$this->course->code,
$this->course->destination_path,
$this->course->backup_path,
$this->course->info['path']
);
$new_id = Database::insert($table_post, $params);
api_item_property_update(
$this->destination_course_info,
TOOL_FORUM_POST,
$new_id,
'PostAdded',
api_get_user_id(),
0,
0,
null,
null,
$sessionId
);
$this->course->resources[RESOURCE_FORUMPOST][$id]->destination_id = $new_id;
return $new_id;
}
/**
* Restore links
*/
public function restore_links($session_id = 0)
{
if ($this->course->has_resources(RESOURCE_LINK)) {
$link_table = Database :: get_course_table(TABLE_LINK);
$resources = $this->course->resources;
foreach ($resources[RESOURCE_LINK] as $id => $link) {
$cat_id = $this->restore_link_category($link->category_id, $session_id);
$sql = "SELECT MAX(display_order) FROM $link_table
WHERE c_id = ".$this->destination_course_id." AND category_id='" . self::DBUTF8escapestring($cat_id). "'";
$result = Database::query($sql);
list($max_order) = Database::fetch_array($result);
$condition_session = "";
if (!empty($session_id)) {
$condition_session = " , session_id = '$session_id' ";
}
$sql = "INSERT INTO ".$link_table." SET
c_id = ".$this->destination_course_id." ,
url = '".self::DBUTF8escapestring($link->url)."',
title = '".self::DBUTF8escapestring($link->title)."',
description = '".self::DBUTF8escapestring($link->description)."',
category_id = '".$cat_id."',
on_homepage = '".$link->on_homepage."',
display_order = '".($max_order+1)."' $condition_session";
Database::query($sql);
$this->course->resources[RESOURCE_LINK][$id]->destination_id = Database::insert_id();
}
}
}
/**
* Restore tool intro
*/
public function restore_tool_intro($sessionId = 0)
{
if ($this->course->has_resources(RESOURCE_TOOL_INTRO)) {
$sessionId = intval($sessionId);
$tool_intro_table = Database :: get_course_table(TABLE_TOOL_INTRO);
$resources = $this->course->resources;
foreach ($resources[RESOURCE_TOOL_INTRO] as $id => $tool_intro) {
$sql = "DELETE FROM ".$tool_intro_table."
WHERE c_id = ".$this->destination_course_id." AND id='".self::DBUTF8escapestring($tool_intro->id)."'";
Database::query($sql);
$tool_intro->intro_text = DocumentManager::replace_urls_inside_content_html_from_copy_course($tool_intro->intro_text,$this->course->code, $this->course->destination_path, $this->course->backup_path, $this->course->info['path']);
$sql = "INSERT INTO ".$tool_intro_table." SET
c_id = ".$this->destination_course_id.",
id='".self::DBUTF8escapestring($tool_intro->id)."',
intro_text = '".self::DBUTF8escapestring($tool_intro->intro_text)."'
session_id = $sessionId";
Database::query($sql);
$this->course->resources[RESOURCE_TOOL_INTRO][$id]->destination_id = Database::insert_id();
}
}
}
/**
* Restore a link-category
*/
public function restore_link_category($id, $session_id = 0)
{
$condition_session = "";
if (!empty($session_id)) {
$condition_session = " , session_id = '$session_id' ";
}
if ($id == 0) {
return 0;
}
$link_cat_table = Database :: get_course_table(TABLE_LINK_CATEGORY);
$resources = $this->course->resources;
$link_cat = $resources[RESOURCE_LINKCATEGORY][$id];
if (is_object($link_cat) && !$link_cat->is_restored()) {
$sql = "SELECT MAX(display_order) FROM $link_cat_table WHERE c_id = ".$this->destination_course_id." ";
$result=Database::query($sql);
list($orderMax)=Database::fetch_array($result,'NUM');
$display_order=$orderMax+1;
$sql = "INSERT INTO $link_cat_table SET
c_id = ".$this->destination_course_id.",
category_title = '".self::DBUTF8escapestring($link_cat->title)."',
description = '".self::DBUTF8escapestring($link_cat->description)."',
display_order = '".$display_order."'
$condition_session ";
Database::query($sql);
$new_id = Database::insert_id();
$this->course->resources[RESOURCE_LINKCATEGORY][$id]->destination_id = $new_id;
return $new_id;
}
return $this->course->resources[RESOURCE_LINKCATEGORY][$id]->destination_id;
}
/**
* Restore events
*/
public function restore_events($sessionId = 0)
{
if ($this->course->has_resources(RESOURCE_EVENT)) {
$sessionId = intval($sessionId);
$table = Database :: get_course_table(TABLE_AGENDA);
$resources = $this->course->resources;
foreach ($resources[RESOURCE_EVENT] as $id => $event) {
// check resources inside html from ckeditor tool and copy correct urls into recipient course
$event->content = DocumentManager::replace_urls_inside_content_html_from_copy_course(
$event->content,
$this->course->code,
$this->course->destination_path,
$this->course->backup_path,
$this->course->info['path']
);
$sql = "INSERT INTO ".$table." SET
c_id = ".$this->destination_course_id." ,
title = '".self::DBUTF8escapestring($event->title)."',
content = '".self::DBUTF8escapestring($event->content)."',
all_day = '".$event->all_day."',
start_date = '".$event->start_date."',
end_date = '".$event->end_date."',
session_id = $sessionId";
Database::query($sql);
$new_event_id = Database::insert_id();
$this->course->resources[RESOURCE_EVENT][$id]->destination_id = $new_event_id;
//Copy event attachment
$origin_path = $this->course->backup_path.'/upload/calendar/';
$destination_path = api_get_path(SYS_COURSE_PATH).$this->course->destination_path.'/upload/calendar/';
if (!empty($this->course->orig)) {
$table_attachment = Database :: get_course_table(TABLE_AGENDA_ATTACHMENT);
$sql = 'SELECT path, comment, size, filename
FROM '.$table_attachment.'
WHERE c_id = '.$this->destination_course_id.' AND agenda_id = '.$id;
$attachment_event = Database::query($sql);
$attachment_event = Database::fetch_object($attachment_event);
if (file_exists($origin_path.$attachment_event->path) && !is_dir($origin_path.$attachment_event->path) ) {
$new_filename = uniqid(''); //ass seen in the add_agenda_attachment_file() function in agenda.inc.php
$copy_result = copy($origin_path.$attachment_event->path, $destination_path.$new_filename);
//$copy_result = true;
if ($copy_result) {
$table_attachment = Database :: get_course_table(TABLE_AGENDA_ATTACHMENT);
$sql = "INSERT INTO ".$table_attachment." SET
c_id = ".$this->destination_course_id.",
path = '".self::DBUTF8escapestring($new_filename)."',
comment = '".self::DBUTF8escapestring($attachment_event->comment)."',
size = '".$attachment_event->size."',
filename = '".$attachment_event->filename."',
agenda_id = '".$new_event_id."' ";
Database::query($sql);
}
}
} else {
// get the info of the file
if(!empty($event->attachment_path) && is_file($origin_path.$event->attachment_path) && is_readable($origin_path.$event->attachment_path)) {
$new_filename = uniqid(''); //ass seen in the add_agenda_attachment_file() function in agenda.inc.php
$copy_result = copy($origin_path.$event->attachment_path, $destination_path.$new_filename);
if ($copy_result) {
$table_attachment = Database :: get_course_table(TABLE_AGENDA_ATTACHMENT);
$sql = "INSERT INTO ".$table_attachment." SET
c_id = ".$this->destination_course_id.",
path = '".self::DBUTF8escapestring($new_filename)."',
comment = '".self::DBUTF8escapestring($event->attachment_comment)."',
size = '".$event->attachment_size."',
filename = '".$event->attachment_filename."',
agenda_id = '".$new_event_id."' ";
Database::query($sql);
}
}
}
}
}
}
/**
* Restore course-description
*/
public function restore_course_descriptions($session_id = 0)
{
if ($this->course->has_resources(RESOURCE_COURSEDESCRIPTION)) {
$table = Database :: get_course_table(TABLE_COURSE_DESCRIPTION);
$resources = $this->course->resources;
foreach ($resources[RESOURCE_COURSEDESCRIPTION] as $id => $cd) {
if (isset($_POST['destination_course'])) {
$course_destination=Security::remove_XSS($_POST['destination_course']);
$course_destination=api_get_course_info($course_destination);
$course_destination=$course_destination['path'];
} else {
$course_destination=$this->course->destination_path;
}
// check resources inside html from ckeditor tool and copy correct urls into recipient course
$description_content = DocumentManager::replace_urls_inside_content_html_from_copy_course(
$cd->content,
$this->course->code,
$this->course->destination_path,
$this->course->backup_path,
$this->course->info['path']
);
$condition_session = "";
if (!empty($session_id)) {
$session_id = intval($session_id);
$condition_session = " , session_id = '$session_id' ";
}
$sql = "INSERT INTO ".$table." SET
c_id = ".$this->destination_course_id." ,
description_type = '".self::DBUTF8escapestring($cd->description_type)."',
title = '".self::DBUTF8escapestring($cd->title)."',
content = '".self::DBUTF8escapestring($description_content)."'
$condition_session";
Database::query($sql);
$this->course->resources[RESOURCE_COURSEDESCRIPTION][$id]->destination_id = Database::insert_id();
}
}
}
/**
* Restore announcements
*/
public function restore_announcements($sessionId = 0)
{
if ($this->course->has_resources(RESOURCE_ANNOUNCEMENT)) {
$sessionId = intval($sessionId);
$table = Database :: get_course_table(TABLE_ANNOUNCEMENT);
$resources = $this->course->resources;
foreach ($resources[RESOURCE_ANNOUNCEMENT] as $id => $announcement) {
// check resources inside html from ckeditor tool and copy correct urls into recipient course
$announcement->content = DocumentManager::replace_urls_inside_content_html_from_copy_course(
$announcement->content,
$this->course->code,
$this->course->destination_path,
$this->course->backup_path,
$this->course->info['path']
);
$sql = "INSERT INTO ".$table." " ."SET
c_id = ".$this->destination_course_id.",
title = '".self::DBUTF8escapestring($announcement->title)."',
content = '".self::DBUTF8escapestring($announcement->content)."',
end_date = '".$announcement->date."',
display_order = '".$announcement->display_order."',
email_sent = '".$announcement->email_sent."',
session_id = $sessionId";
Database::query($sql);
$new_announcement_id = Database::insert_id();
$this->course->resources[RESOURCE_ANNOUNCEMENT][$id]->destination_id = $new_announcement_id;
$origin_path = $this->course->backup_path.'/upload/announcements/';
$destination_path = api_get_path(SYS_COURSE_PATH).$this->course->destination_path.'/upload/announcements/';
//Copy announcement attachment file
if (!empty($this->course->orig)) {
$table_attachment = Database :: get_course_table(TABLE_ANNOUNCEMENT_ATTACHMENT);
$sql = 'SELECT path, comment, size, filename
FROM '.$table_attachment.'
WHERE c_id = '.$this->destination_course_id.' AND announcement_id = '.$id;
$attachment_event = Database::query($sql);
$attachment_event = Database::fetch_object($attachment_event);
if (file_exists($origin_path.$attachment_event->path) &&
!is_dir($origin_path.$attachment_event->path)
) {
$new_filename = uniqid(''); //ass seen in the add_agenda_attachment_file() function in agenda.inc.php
$copy_result = copy($origin_path.$attachment_event->path, $destination_path.$new_filename);
//error_log($destination_path.$new_filename); error_log($copy_result);
//$copy_result = true;
if ($copy_result) {
$table_attachment = Database :: get_course_table(TABLE_ANNOUNCEMENT_ATTACHMENT);
$sql = "INSERT INTO ".$table_attachment." SET
c_id = ".$this->destination_course_id.",
path = '".self::DBUTF8escapestring($new_filename)."',
comment = '".self::DBUTF8escapestring($attachment_event->comment)."',
size = '".$attachment_event->size."',
filename = '".$attachment_event->filename."',
announcement_id = '".$new_announcement_id."'
";
Database::query($sql);
}
}
} else {
// get the info of the file
if (!empty($announcement->attachment_path) &&
is_file($origin_path.$announcement->attachment_path) &&
is_readable($origin_path.$announcement->attachment_path)
) {
$new_filename = uniqid(''); //ass seen in the add_agenda_attachment_file() function in agenda.inc.php
$copy_result = copy($origin_path.$announcement->attachment_path, $destination_path.$new_filename);
if ($copy_result) {
$table_attachment = Database :: get_course_table(TABLE_ANNOUNCEMENT_ATTACHMENT);
$sql = "INSERT INTO ".$table_attachment." SET
c_id = ".$this->destination_course_id." ,
path = '".self::DBUTF8escapestring($new_filename)."',
comment = '".self::DBUTF8escapestring($announcement->attachment_comment)."',
size = '".$announcement->attachment_size."', filename = '".$announcement->attachment_filename."',
announcement_id = '".$new_announcement_id."' ";
Database::query($sql);
}
}
}
}
}
}
/**
* Restore Quiz
* @param int $session_id
* @param bool $respect_base_content
*/
public function restore_quizzes(
$session_id = 0,
$respect_base_content = false
) {
if ($this->course->has_resources(RESOURCE_QUIZ)) {
$table_qui = Database :: get_course_table(TABLE_QUIZ_TEST);
$table_rel = Database :: get_course_table(TABLE_QUIZ_TEST_QUESTION);
$table_doc = Database :: get_course_table(TABLE_DOCUMENT);
$resources = $this->course->resources;
foreach ($resources[RESOURCE_QUIZ] as $id => $quiz) {
if (isset($quiz->obj)) {
//For new imports
$quiz = $quiz->obj;
} else {
//For backward compatibility
$quiz->obj = $quiz;
}
$doc = '';
if (!empty($quiz->sound)) {
if (isset($this->course->resources[RESOURCE_DOCUMENT][$quiz->sound]) &&
$this->course->resources[RESOURCE_DOCUMENT][$quiz->sound]->is_restored()) {
$sql = "SELECT path FROM " . $table_doc . "
WHERE
c_id = " . $this->destination_course_id . " AND
id = " . $resources[RESOURCE_DOCUMENT][$quiz->sound]->destination_id;
$doc = Database::query($sql);
$doc = Database::fetch_object($doc);
$doc = str_replace('/audio/', '', $doc->path);
}
}
if ($id != -1) {
// check resources inside html from ckeditor tool and copy correct urls into recipient course
$quiz->description = DocumentManager::replace_urls_inside_content_html_from_copy_course(
$quiz->description,
$this->course->code,
$this->course->destination_path,
$this->course->backup_path,
$this->course->info['path']
);
global $_custom;
if (isset($_custom['exercises_clean_dates_when_restoring']) &&
$_custom['exercises_clean_dates_when_restoring']
) {
$quiz->start_time = null;
$quiz->end_time = null;
}
$params = array(
'c_id' => $this->destination_course_id,
'title' => self::DBUTF8($quiz->title),
'description' => self::DBUTF8($quiz->description),
'type' => isset($quiz->quiz_type) ? $quiz->quiz_type : $quiz->type,
'random' => $quiz->random,
'active' => $quiz->active,
'sound' => self::DBUTF8($doc),
'max_attempt' => (int)$quiz->max_attempt,
'results_disabled' => (int)$quiz->results_disabled,
'access_condition' => $quiz->access_condition,
'start_time' => $quiz->start_time,
'pass_percentage' => $quiz->pass_percentage,
'end_time' => $quiz->end_time,
'feedback_type' => (int)$quiz->feedback_type,
'random_answers' => (int)$quiz->random_answers,
'random_by_category' => $quiz->random_by_category,
'review_answers' => $quiz->review_answers,
'propagate_neg' => $quiz->propagate_neg,
'text_when_finished' => $quiz->text_when_finished,
'expired_time' => (int)$quiz->expired_time,
);
if ($respect_base_content) {
$my_session_id = $quiz->session_id;
if (!empty($quiz->session_id)) {
$my_session_id = $session_id;
}
$params['session_id'] = $my_session_id;
} else {
if (!empty($session_id)) {
$session_id = intval($session_id);
$params['session_id'] = $session_id;
}
}
$new_id = Database::insert($table_qui, $params);
} else {
// $id = -1 identifies the fictionary test for collecting orphan questions. We do not store it in the database.
$new_id = -1;
}
$this->course->resources[RESOURCE_QUIZ][$id]->destination_id = $new_id;
$order = 0;
if (!empty($quiz->question_ids)) {
foreach ($quiz->question_ids as $index => $question_id) {
$qid = $this->restore_quiz_question($question_id);
$question_order = $quiz->question_orders[$index] ? $quiz->question_orders[$index] : ++$order;
$sql = "INSERT IGNORE INTO " . $table_rel . " SET
c_id = " . $this->destination_course_id . ",
question_id = " . $qid . ",
exercice_id = " . $new_id . ",
question_order = " . $question_order;
Database::query($sql);
}
}
}
}
}
/**
* Restore quiz-questions
* @params int question id
*/
public function restore_quiz_question($id)
{
$resources = $this->course->resources;
$question = isset($resources[RESOURCE_QUIZQUESTION][$id]) ? $resources[RESOURCE_QUIZQUESTION][$id] : null;
$new_id = 0;
if (is_object($question)) {
if ($question->is_restored()) {
return $question->destination_id;
}
$table_que = Database::get_course_table(TABLE_QUIZ_QUESTION);
$table_ans = Database::get_course_table(TABLE_QUIZ_ANSWER);
$table_options = Database::get_course_table(TABLE_QUIZ_QUESTION_OPTION);
// check resources inside html from ckeditor tool and copy correct urls into recipient course
$question->description = DocumentManager::replace_urls_inside_content_html_from_copy_course(
$question->description,
$this->course->code,
$this->course->destination_path,
$this->course->backup_path,
$this->course->info['path']
);
$sql = "INSERT INTO ".$table_que." SET
c_id = ".$this->destination_course_id." ,
question = '".self::DBUTF8escapestring($question->question)."',
description = '".self::DBUTF8escapestring($question->description)."',
ponderation = '".self::DBUTF8escapestring($question->ponderation)."',
position = '".self::DBUTF8escapestring($question->position)."',
type='".self::DBUTF8escapestring($question->quiz_type)."',
picture='".self::DBUTF8escapestring($question->picture)."',
level='".self::DBUTF8escapestring($question->level)."',
extra='".self::DBUTF8escapestring($question->extra)."'";
Database::query($sql);
$new_id = Database::insert_id();
if ($new_id) {
if (!empty($question->picture)) {
$question_temp = Question::read(
$new_id,
$this->destination_course_info['real_id']
);
$documentPath = api_get_path(SYS_COURSE_PATH).$this->destination_course_info['path'].'/document';
// picture path
$picturePath = $documentPath.'/images';
$old_picture = api_get_path(SYS_COURSE_PATH).$this->course->info['path'].'/document/images/'.$question->picture;
if (file_exists($old_picture)) {
$picture_name = 'quiz-'.$new_id.'.jpg';
$result = $question_temp->uploadPicture($old_picture, $picture_name, $picturePath);
if ($result) {
$sql = "UPDATE $table_que SET
picture = '$picture_name'
WHERE
c_id = " . $this->destination_course_id . " AND
id = $new_id ";
Database::query($sql);
}
}
}
}
if ($question->quiz_type == MATCHING) {
$temp = array();
foreach ($question->answers as $index => $answer) {
$temp[$answer['position']] = $answer;
}
foreach ($temp as $index => $answer) {
$sql = "INSERT INTO ".$table_ans." SET
c_id = ".$this->destination_course_id." ,
id = '".$index."',
question_id = '".$new_id."',
answer = '".self::DBUTF8escapestring($answer['answer'])."',
correct = '".$answer['correct']."',
comment = '".self::DBUTF8escapestring($answer['comment'])."',
ponderation = '".$answer['ponderation']."',
position = '".$answer['position']."',
hotspot_coordinates = '".$answer['hotspot_coordinates']."',
hotspot_type = '".$answer['hotspot_type']."'";
Database::query($sql);
}
} else {
$correct_answers = array();
foreach ($question->answers as $index => $answer) {
// check resources inside html from ckeditor tool and copy correct urls into recipient course
$answer['answer'] = DocumentManager::replace_urls_inside_content_html_from_copy_course(
$answer['answer'],
$this->course->code,
$this->course->destination_path,
$this->course->backup_path,
$this->course->info['path']
);
$answer['comment'] = DocumentManager::replace_urls_inside_content_html_from_copy_course(
$answer['comment'],
$this->course->code,
$this->course->destination_path,
$this->course->backup_path,
$this->course->info['path']
);
$sql = "INSERT INTO ".$table_ans." SET
c_id = ".$this->destination_course_id." ,
id = '". ($index + 1)."',
question_id = '".$new_id."',
answer = '".self::DBUTF8escapestring($answer['answer'])."',
correct = '".$answer['correct']."',
comment = '".self::DBUTF8escapestring($answer['comment'])."',
ponderation = '".$answer['ponderation']."',
position = '".$answer['position']."',
hotspot_coordinates = '".$answer['hotspot_coordinates']."',
hotspot_type = '".$answer['hotspot_type']."'";
Database::query($sql);
$correct_answers[$index + 1] = $answer['correct'];
}
}
//Current course id
$course_id = api_get_course_int_id();
//Moving quiz_question_options
if ($question->quiz_type == MULTIPLE_ANSWER_TRUE_FALSE) {
$question_option_list = Question::readQuestionOption($id, $course_id);
//Question copied from the current platform
if ($question_option_list) {
$old_option_ids = array();
foreach ($question_option_list as $item) {
$old_id = $item['id'];
unset($item['id']);
$item['question_id'] = $new_id;
$item['c_id'] = $this->destination_course_id;
$question_option_id = Database::insert($table_options, $item);
$old_option_ids[$old_id] = $question_option_id;
}
if ($old_option_ids) {
$new_answers = Database::select(
'id, correct',
$table_ans,
array(
'WHERE' => array(
'question_id = ? AND c_id = ? ' => array(
$new_id,
$this->destination_course_id
)
)
)
);
foreach ($new_answers as $answer_item) {
$params = array();
$params['correct'] = $old_option_ids[$answer_item['correct']];
$question_option_id = Database::update(
$table_ans,
$params,
array(
'id = ? AND c_id = ? AND question_id = ? ' => array(
$answer_item['id'],
$this->destination_course_id,
$new_id
)
),
false
);
}
}
} else {
$new_options = array();
if (isset($question->question_options)) {
foreach ($question->question_options as $obj) {
$item = array();
$item['question_id'] = $new_id;
$item['c_id'] = $this->destination_course_id;
$item['name'] = $obj->obj->name;
$item['position'] = $obj->obj->position;
$question_option_id = Database::insert($table_options, $item);
$new_options[$obj->obj->id] = $question_option_id;
}
foreach($correct_answers as $answer_id => $correct_answer) {
$params = array();
$params['correct'] = $new_options[$correct_answer];
Database::update($table_ans, $params, array('id = ? AND c_id = ? AND question_id = ? '=> array($answer_id, $this->destination_course_id, $new_id)), false);
}
}
}
}
$this->course->resources[RESOURCE_QUIZQUESTION][$id]->destination_id = $new_id;
}
return $new_id;
}
/**
* @todo : add session id when used for session
*/
public function restore_test_category($session_id, $respect_base_content, $destination_course_code)
{
$course_id = api_get_course_int_id();
// Let's restore the categories
$tab_test_category_id_old_new = array(); // used to build the quiz_question_rel_category table
if ($this->course->has_resources(RESOURCE_TEST_CATEGORY))
{
$resources = $this->course->resources;
foreach ($resources[RESOURCE_TEST_CATEGORY] as $id => $CourseCopyTestcategory ) {
$tab_test_category_id_old_new[$CourseCopyTestcategory->source_id] = $id;
// check if this test_category already exist in the destination BDD
// do not Database::escape_string $title and $description, it will be done later
$title = $CourseCopyTestcategory->title;
$description = $CourseCopyTestcategory->description;
if (TestCategory::category_exists_with_title($title)) {
switch ($this->file_option) {
case FILE_SKIP:
//Do nothing
break;
case FILE_RENAME:
$new_title = $title."_";
while (TestCategory::category_exists_with_title(
$new_title
)) {
$new_title .= "_";
}
$test_category = new TestCategory(0, $new_title, $description);
$new_id = $test_category->addCategoryInBDD();
$tab_test_category_id_old_new[$CourseCopyTestcategory->source_id] = $new_id;
break;
case FILE_OVERWRITE:
$id = TestCategory::get_category_id_for_title($title);
$my_cat = new TestCategory($id);
$my_cat->name = $title;
$my_cat->modifyCategory();
$tab_test_category_id_old_new[$CourseCopyTestcategory->source_id] = $id;
break;
}
} else {
// create a new test_category
$test_category = new TestCategory(0, $title, $description);
$new_id = $test_category->addCategoryInBDD();
$tab_test_category_id_old_new[$CourseCopyTestcategory->source_id] = $new_id;
}
$this->course->resources[RESOURCE_TEST_CATEGORY][$id]->destination_id = $tab_test_category_id_old_new[$CourseCopyTestcategory->source_id];
}
}
// lets check if quizzes-question are restored too, to redo the link between test_category and quizzes question for questions restored
// we can use the source_id field
// question source_id => category source_id
if ($this->course->has_resources(RESOURCE_QUIZQUESTION)) {
// check the category number of each question restored
if (!empty($resources[RESOURCE_QUIZQUESTION])) {
foreach ($resources[RESOURCE_QUIZQUESTION] as $id => $CourseCopyQuestion) {
$new_quiz_question_id = $resources[RESOURCE_QUIZQUESTION][$id]->destination_id;
$question_category = $CourseCopyQuestion->question_category;
if ($question_category > 0) {
TestCategory::add_category_for_question_id(
$tab_test_category_id_old_new[$question_category],
$new_quiz_question_id,
$course_id
);
}
}
}
}
}
/**
* Restore surveys
* @param int $sessionId Optional. The session id
*/
public function restore_surveys($sessionId = 0)
{
$sessionId = intval($sessionId);
if ($this->course->has_resources(RESOURCE_SURVEY)) {
$table_sur = Database :: get_course_table(TABLE_SURVEY);
$table_que = Database :: get_course_table(TABLE_SURVEY_QUESTION);
$table_ans = Database :: get_course_table(TABLE_SURVEY_QUESTION_OPTION);
$resources = $this->course->resources;
foreach ($resources[RESOURCE_SURVEY] as $id => $survey) {
$sql_check = 'SELECT survey_id FROM '.$table_sur.'
WHERE c_id = '.$this->destination_course_id.' AND
code = "'.self::DBUTF8escapestring($survey->code).'" AND
lang = "'.self::DBUTF8escapestring($survey->lang).'" ';
$result_check = Database::query($sql_check);
// check resources inside html from ckeditor tool and copy correct urls into recipient course
$survey->title = DocumentManager::replace_urls_inside_content_html_from_copy_course(
$survey->title,
$this->course->code,
$this->course->destination_path,
$this->course->backup_path,
$this->course->info['path']
);
$survey->subtitle = DocumentManager::replace_urls_inside_content_html_from_copy_course(
$survey->subtitle,
$this->course->code,
$this->course->destination_path,
$this->course->backup_path,
$this->course->info['path']
);
$survey->intro = DocumentManager::replace_urls_inside_content_html_from_copy_course(
$survey->intro,
$this->course->code,
$this->course->destination_path,
$this->course->backup_path,
$this->course->info['path']
);
$survey->surveythanks = DocumentManager::replace_urls_inside_content_html_from_copy_course(
$survey->surveythanks,
$this->course->code,
$this->course->destination_path,
$this->course->backup_path,
$this->course->info['path']
);
$sql = "INSERT INTO ".$table_sur." " ."SET
c_id = ".$this->destination_course_id." ,
code = '".self::DBUTF8escapestring($survey->code)."', " .
"title = '".self::DBUTF8escapestring($survey->title)."', " .
"subtitle = '".self::DBUTF8escapestring($survey->subtitle)."', " .
"author = '".self::DBUTF8escapestring($survey->author)."', " .
"lang = '".self::DBUTF8escapestring($survey->lang)."', " .
"avail_from = '".self::DBUTF8escapestring($survey->avail_from)."', " .
"avail_till = '".self::DBUTF8escapestring($survey->avail_till)."', " .
"is_shared = '".self::DBUTF8escapestring($survey->is_shared)."', " .
"template = '".self::DBUTF8escapestring($survey->template)."', " .
"intro = '".self::DBUTF8escapestring($survey->intro)."', " .
"surveythanks = '".self::DBUTF8escapestring($survey->surveythanks)."', " .
"creation_date = '".self::DBUTF8escapestring($survey->creation_date)."', " .
"invited = '0', " .
"answered = '0', " .
"invite_mail = '".self::DBUTF8escapestring($survey->invite_mail)."', " .
"reminder_mail = '".self::DBUTF8escapestring($survey->reminder_mail)."', ".
"session_id = $sessionId";
//An existing survey exists with the same code and the same language
if (Database::num_rows($result_check) == 1) {
switch ($this->file_option) {
case FILE_SKIP:
//Do nothing
break;
case FILE_RENAME:
$survey_code = $survey->code.'_';
$i=1;
$temp_survey_code = $survey_code.$i;
while (!$this->is_survey_code_available($temp_survey_code)) {
$temp_survey_code = $survey_code.++$i;
}
$survey_code = $temp_survey_code;
$sql = "INSERT INTO ".$table_sur." " ."SET
c_id = ".$this->destination_course_id." ,
code = '".self::DBUTF8escapestring($survey_code)."', " .
"title = '".self::DBUTF8escapestring($survey->title)."', " .
"subtitle = '".self::DBUTF8escapestring($survey->subtitle)."', " .
"author = '".self::DBUTF8escapestring($survey->author)."', " .
"lang = '".self::DBUTF8escapestring($survey->lang)."', " .
"avail_from = '".self::DBUTF8escapestring($survey->avail_from)."', " .
"avail_till = '".self::DBUTF8escapestring($survey->avail_till)."', " .
"is_shared = '".self::DBUTF8escapestring($survey->is_shared)."', " .
"template = '".self::DBUTF8escapestring($survey->template)."', " .
"intro = '".self::DBUTF8escapestring($survey->intro)."', " .
"surveythanks = '".self::DBUTF8escapestring($survey->surveythanks)."', " .
"creation_date = '".self::DBUTF8escapestring($survey->creation_date)."', " .
"invited = '0', " .
"answered = '0', " .
"invite_mail = '".self::DBUTF8escapestring($survey->invite_mail)."', " .
"reminder_mail = '".self::DBUTF8escapestring($survey->reminder_mail)."', ".
"session_id = $sessionId";
//Insert the new source survey
Database::query($sql);
$new_id = Database::insert_id();
$this->course->resources[RESOURCE_SURVEY][$id]->destination_id = $new_id;
foreach ($survey->question_ids as $index => $question_id) {
$qid = $this->restore_survey_question($question_id, $new_id);
$sql = "UPDATE ".$table_que." SET survey_id = ".$new_id." WHERE c_id = ".$this->destination_course_id." AND question_id = $qid";
Database::query($sql);
$sql = "UPDATE ".$table_ans." SET survey_id = ".$new_id." WHERE c_id = ".$this->destination_course_id." AND question_id = $qid";
Database::query($sql);
}
break;
case FILE_OVERWRITE:
// Delete the existing survey with the same code and language and import the one of the source course
// getting the information of the survey (used for when the survey is shared)
$sql = "SELECT * FROM $table_sur
WHERE
c_id = ".$this->destination_course_id." AND
survey_id='".self::DBUTF8escapestring(Database::result($result_check,0,0))."'";
$result = Database::query($sql);
$survey_data = Database::fetch_array($result,'ASSOC');
// if the survey is shared => also delete the shared content
if (isset($survey_data['survey_share']) && is_numeric($survey_data['survey_share'])) {
SurveyManager::delete_survey($survey_data['survey_share'], true,$this->destination_course_id);
}
$return = SurveyManager :: delete_survey($survey_data['survey_id'],false,$this->destination_course_id);
//Insert the new source survey
Database::query($sql);
$new_id = Database::insert_id();
$this->course->resources[RESOURCE_SURVEY][$id]->destination_id = $new_id;
foreach ($survey->question_ids as $index => $question_id) {
$qid = $this->restore_survey_question($question_id, $new_id);
$sql = "UPDATE $table_que SET survey_id = $new_id WHERE c_id = ".$this->destination_course_id." AND question_id = $qid";
Database::query($sql);
$sql = "UPDATE $table_ans SET survey_id = $new_id WHERE c_id = ".$this->destination_course_id." AND question_id = $qid";
Database::query($sql);
}
break;
default:
break;
}
}
//No existing survey with the same language and the same code, we just copy the survey
else {
Database::query($sql);
$new_id = Database::insert_id();
$this->course->resources[RESOURCE_SURVEY][$id]->destination_id = $new_id;
foreach ($survey->question_ids as $index => $question_id) {
$qid = $this->restore_survey_question($question_id, $new_id);
$sql = "UPDATE $table_que SET survey_id = $new_id WHERE c_id = ".$this->destination_course_id." AND question_id = $qid";
Database::query($sql);
$sql = "UPDATE $table_ans SET survey_id = $new_id WHERE c_id = ".$this->destination_course_id." AND question_id = $qid";
Database::query($sql);
}
}
}
}
}
/**
* Check availability of a survey code
*/
public function is_survey_code_available($survey_code)
{
$table_sur = Database :: get_course_table(TABLE_SURVEY);
$sql = "SELECT * FROM $table_sur
WHERE
c_id = ".$this->destination_course_id." AND
code='".self::DBUTF8escapestring($survey_code)."'";
$result = Database::query($sql);
if (Database::num_rows($result) > 0) return false; else return true;
}
/**
* Restore survey-questions
*/
public function restore_survey_question($id, $survey_id)
{
$resources = $this->course->resources;
$question = $resources[RESOURCE_SURVEYQUESTION][$id];
$new_id=0;
if (is_object($question)) {
if ($question->is_restored()) {
return $question->destination_id;
}
$table_que = Database :: get_course_table(TABLE_SURVEY_QUESTION);
$table_ans = Database :: get_course_table(TABLE_SURVEY_QUESTION_OPTION);
// check resources inside html from ckeditor tool and copy correct urls into recipient course
$question->survey_question = DocumentManager::replace_urls_inside_content_html_from_copy_course(
$question->survey_question,
$this->course->code,
$this->course->destination_path,
$this->course->backup_path,
$this->course->info['path']
);
$sql = "INSERT INTO ".$table_que." SET
c_id = ".$this->destination_course_id." ,
survey_id = '".self::DBUTF8escapestring($survey_id)."', " .
"survey_question = '".self::DBUTF8escapestring($question->survey_question)."', " .
"survey_question_comment = '".self::DBUTF8escapestring($question->survey_question_comment)."', " .
"type = '".self::DBUTF8escapestring($question->survey_question_type)."', " .
"display = '".self::DBUTF8escapestring($question->display)."', " .
"sort = '".self::DBUTF8escapestring($question->sort)."', " .
"shared_question_id = '".self::DBUTF8escapestring($question->shared_question_id)."', " .
"max_value = '".self::DBUTF8escapestring($question->max_value)."' ";
Database::query($sql);
$new_id = Database::insert_id();
foreach ($question->answers as $index => $answer) {
// check resources inside html from ckeditor tool and copy correct urls into recipient course
$answer['option_text'] = DocumentManager::replace_urls_inside_content_html_from_copy_course(
$answer['option_text'],
$this->course->code,
$this->course->destination_path,
$this->course->backup_path,
$this->course->info['path']
);
$sql = "INSERT INTO ".$table_ans." SET
c_id = ".$this->destination_course_id." ,
question_id = '".self::DBUTF8escapestring($new_id)."', " .
"option_text = '".self::DBUTF8escapestring($answer['option_text'])."', " .
"sort = '".self::DBUTF8escapestring($answer['sort'])."', " .
"survey_id = '".self::DBUTF8escapestring($survey_id)."'";
Database::query($sql);
}
$this->course->resources[RESOURCE_SURVEYQUESTION][$id]->destination_id = $new_id;
}
return $new_id;
}
/**
* Restoring learning paths
*/
public function restore_learnpaths($session_id = 0, $respect_base_content = false)
{
$session_id = intval($session_id);
if ($this->course->has_resources(RESOURCE_LEARNPATH)) {
$table_main = Database::get_course_table(TABLE_LP_MAIN);
$table_item = Database::get_course_table(TABLE_LP_ITEM);
$table_tool = Database::get_course_table(TABLE_TOOL_LIST);
$resources = $this->course->resources;
$origin_path = $this->course->backup_path.'/upload/learning_path/images/';
$destination_path = api_get_path(SYS_COURSE_PATH).$this->course->destination_path.'/upload/learning_path/images/';
foreach ($resources[RESOURCE_LEARNPATH] as $id => $lp) {
$condition_session = "";
if (!empty($session_id)) {
if ($respect_base_content) {
$my_session_id = $lp->session_id;
if (!empty($lp->session_id)) {
$my_session_id = $session_id;
}
$condition_session = " , session_id = '$my_session_id' ";
} else {
$session_id = intval($session_id);
$condition_session = " , session_id = '$session_id' ";
}
}
//Adding the author's image
if (!empty($lp->preview_image)) {
$new_filename = uniqid('').$new_filename.substr($lp->preview_image,strlen($lp->preview_image)-7, strlen($lp->preview_image));
if (file_exists($origin_path.$lp->preview_image) && !is_dir($origin_path.$lp->preview_image)) {
$copy_result = copy($origin_path.$lp->preview_image, $destination_path.$new_filename);
//$copy_result = true;
if ($copy_result) {
$lp->preview_image = $new_filename;
} else {
$lp->preview_image ='';
}
}
}
if ($this->add_text_in_items) {
$lp->name = $lp->name.' '.get_lang('Copy');
}
if (isset($this->tool_copy_settings['learnpaths'])) {
if (isset($this->tool_copy_settings['learnpaths']['reset_dates']) && $this->tool_copy_settings['learnpaths']['reset_dates']) {
$lp->created_on = api_get_utc_datetime();
$lp->modified_on = api_get_utc_datetime();
$lp->publicated_on = null;
}
}
$sql = "INSERT INTO ".$table_main." SET
c_id = ".$this->destination_course_id." ,
lp_type = '".$lp->lp_type."', " .
"name = '".self::DBUTF8escapestring($lp->name)."', " .
"path = '".self::DBUTF8escapestring($lp->path)."', " .
"ref = '".$lp->ref."', " .
"description = '".self::DBUTF8escapestring($lp->description)."', " .
"content_local = '".self::DBUTF8escapestring($lp->content_local)."', " .
"default_encoding = '".self::DBUTF8escapestring($lp->default_encoding)."', " .
"default_view_mod = '".self::DBUTF8escapestring($lp->default_view_mod)."', " .
"prevent_reinit = '".self::DBUTF8escapestring($lp->prevent_reinit)."', " .
"force_commit = '".self::DBUTF8escapestring($lp->force_commit)."', " .
"content_maker = '".self::DBUTF8escapestring($lp->content_maker)."', " .
"display_order = '".self::DBUTF8escapestring($lp->display_order)."', " .
"js_lib = '".self::DBUTF8escapestring($lp->js_lib)."', " .
"content_license = '".self::DBUTF8escapestring($lp->content_license)."', " .
"author = '".self::DBUTF8escapestring($lp->author)."', " .
"preview_image = '".self::DBUTF8escapestring($lp->preview_image)."', " .
"use_max_score = '".self::DBUTF8escapestring($lp->use_max_score)."', " .
"autolunch = '".self::DBUTF8escapestring($lp->autolunch)."', " .
"created_on = '".self::DBUTF8escapestring($lp->created_on)."', " .
"modified_on = '".self::DBUTF8escapestring($lp->modified_on)."', " .
"publicated_on = '".self::DBUTF8escapestring($lp->publicated_on)."', " .
"expired_on = '".self::DBUTF8escapestring($lp->expired_on)."', " .
"debug = '".self::DBUTF8escapestring($lp->debug)."' $condition_session ";
Database::query($sql);
$new_lp_id = Database::insert_id();
if ($lp->visibility) {
$sql = "INSERT INTO $table_tool SET
c_id = ".$this->destination_course_id.",
name = '".self::DBUTF8escapestring($lp->name)."',
link = 'newscorm/lp_controller.php?action=view&lp_id=$new_lp_id&id_session=$session_id',
image = 'scormbuilder.gif',
visibility = '0',
admin = '0',
address = 'squaregrey.gif',
session_id = $session_id
";
Database::query($sql);
}
if ($new_lp_id) {
api_item_property_update(
$this->destination_course_info,
TOOL_LEARNPATH,
$new_lp_id,
'LearnpathAdded',
api_get_user_id(),
0,
0,
0,
0,
$session_id
);
// Set the new LP to visible
api_item_property_update(
$this->destination_course_info,
TOOL_LEARNPATH,
$new_lp_id,
'invisible',
api_get_user_id(),
0,
0,
0,
0,
$session_id
);
}
$new_item_ids = array();
$parent_item_ids = array();
$previous_item_ids = array();
$next_item_ids = array();
$old_prerequisite = array();
$old_refs = array();
$prerequisite_ids = array();
foreach ($lp->get_items() as $index => $item) {
// we set the ref code here and then we update in a for loop
$ref = $item['ref'];
//Dealing with path the same way as ref as some data has been put into path when it's a local resource
//Only fix the path for no scos
if ($item['item_type'] == 'sco') {
$path = self::DBUTF8escapestring($item['path']);
} else {
$path = self::DBUTF8escapestring($item['path']);
$path = $this->get_new_id($item['item_type'], $path);
}
$sql = "INSERT INTO ".$table_item." SET
c_id = ".$this->destination_course_id." ,
lp_id = '". self::DBUTF8escapestring($new_lp_id)."', " .
"item_type='". self::DBUTF8escapestring($item['item_type'])."', " .
"ref = '". self::DBUTF8escapestring($ref)."', " .
"title = '". self::DBUTF8escapestring($item['title'])."', " .
"description ='". self::DBUTF8escapestring($item['description'])."', " .
"path = '". self::DBUTF8escapestring($path)."', " .
"min_score = '". self::DBUTF8escapestring($item['min_score'])."', " .
"max_score = '". self::DBUTF8escapestring($item['max_score'])."', " .
"mastery_score = '". self::DBUTF8escapestring($item['mastery_score'])."', " .
"parent_item_id = '". self::DBUTF8escapestring($item['parent_item_id'])."', " .
"previous_item_id = '". self::DBUTF8escapestring($item['previous_item_id'])."', " .
"next_item_id = '". self::DBUTF8escapestring($item['next_item_id'])."', " .
"display_order = '". self::DBUTF8escapestring($item['display_order'])."', " .
"prerequisite = '". self::DBUTF8escapestring($item['prerequisite'])."', " .
"parameters='". self::DBUTF8escapestring($item['parameters'])."', " .
"audio='". self::DBUTF8escapestring($item['audio'])."', " .
"launch_data = '". self::DBUTF8escapestring($item['launch_data'])."'";
Database::query($sql);
$new_item_id = Database::insert_id();
//save a link between old and new item IDs
$new_item_ids[$item['id']] = $new_item_id;
//save a reference of items that need a parent_item_id refresh
$parent_item_ids[$new_item_id] = $item['parent_item_id'];
//save a reference of items that need a previous_item_id refresh
$previous_item_ids[$new_item_id] = $item['previous_item_id'];
//save a reference of items that need a next_item_id refresh
$next_item_ids[$new_item_id] = $item['next_item_id'];
if (!empty($item['prerequisite'])) {
if ($lp->lp_type =='2') {
// if is an sco
$old_prerequisite[$new_item_id]= $item['prerequisite'];
} else {
$old_prerequisite[$new_item_id]= $new_item_ids[$item['prerequisite']];
}
}
if (!empty($ref)) {
if ($lp->lp_type =='2') {
// if is an sco
$old_refs[$new_item_id]= $ref;
} else {
$old_refs[$new_item_id]= $new_item_ids[$ref];
}
}
$prerequisite_ids[$new_item_id] = $item['prerequisite'];
}
// Updating prerequisites
foreach ($old_prerequisite as $key=>$my_old_prerequisite) {
if($my_old_prerequisite != ''){
$sql = "UPDATE ".$table_item." SET prerequisite = '".$my_old_prerequisite."'
WHERE c_id = ".$this->destination_course_id." AND id = '".$key."' ";
Database::query($sql);
}
}
// Updating refs
foreach ($old_refs as $key=>$my_old_ref) {
if ($my_old_ref != '') {
$sql = "UPDATE ".$table_item." SET ref = '".$my_old_ref."'
WHERE c_id = ".$this->destination_course_id." AND id = '".$key."' ";
Database::query($sql);
}
}
foreach ($parent_item_ids as $new_item_id => $parent_item_old_id) {
$parent_new_id = 0;
if($parent_item_old_id != 0){
$parent_new_id = $new_item_ids[$parent_item_old_id];
}
$sql = "UPDATE ".$table_item." SET parent_item_id = '".$parent_new_id."'
WHERE c_id = ".$this->destination_course_id." AND id = '".$new_item_id."'";
Database::query($sql);
}
foreach ($previous_item_ids as $new_item_id => $previous_item_old_id) {
$previous_new_id = 0;
if($previous_item_old_id != 0){
$previous_new_id = $new_item_ids[$previous_item_old_id];
}
$sql = "UPDATE ".$table_item." SET previous_item_id = '".$previous_new_id."'
WHERE c_id = ".$this->destination_course_id." AND id = '".$new_item_id."'";
Database::query($sql);
}
foreach ($next_item_ids as $new_item_id => $next_item_old_id) {
$next_new_id = 0;
if($next_item_old_id != 0){
$next_new_id = $new_item_ids[$next_item_old_id];
}
$sql = "UPDATE ".$table_item." SET next_item_id = '".$next_new_id."'
WHERE c_id = ".$this->destination_course_id." AND id = '".$new_item_id."'";
Database::query($sql);
}
foreach ($prerequisite_ids as $new_item_id => $prerequisite_old_id) {
$prerequisite_new_id = 0;
if($prerequisite_old_id != 0){
$prerequisite_new_id = $new_item_ids[$prerequisite_old_id];
}
$sql = "UPDATE ".$table_item." SET prerequisite = '".$prerequisite_new_id."'
WHERE c_id = ".$this->destination_course_id." AND id = '".$new_item_id."'";
Database::query($sql);
}
$this->course->resources[RESOURCE_LEARNPATH][$id]->destination_id = $new_lp_id;
}
}
}
/**
* Restore works
* @deprecated use restore_works
*
*/
public function restore_student_publication($sessionId = 0)
{
$sessionId = intval($sessionId);
$work_assignment_table = Database :: get_course_table(TABLE_STUDENT_PUBLICATION_ASSIGNMENT);
$work_table = Database :: get_course_table(TABLE_STUDENT_PUBLICATION);
$item_property_table = Database :: get_course_table(TABLE_ITEM_PROPERTY);
// Query in student publication
$sql = 'SELECT * FROM '.$work_table.'
WHERE c_id = '.$this->course_origin_id.' AND filetype = "folder" AND active IN (0, 1) ';
$result = Database::query($sql);
$folders = Database::store_result($result, 'ASSOC');
foreach ($folders as $folder) {
$old_id = $folder['id'];
unset($folder['id']);
$folder['c_id'] = $this->destination_course_id;
$folder['parent_id'] = 0;
$folder['session_id'] = $sessionId;
$new_id = Database::insert($work_table, $folder);
if ($new_id) {
//query in item property
$sql = 'SELECT
tool,
insert_user_id,
insert_date,
lastedit_date,
ref,
lastedit_type,
lastedit_user_id,
to_group_id,
to_user_id,
visibility,
start_visible,
end_visible
FROM '.$item_property_table.' ip
INNER JOIN '.$work_table.' sp ON ip.ref=sp.id
WHERE
sp.c_id = '.$this->course_origin_id.' AND
ip.c_id = '.$this->course_origin_id.' AND
tool="work" AND sp.id = '.$old_id.'';
$result = Database::query($sql);
$sub_folders = Database::store_result($result, 'ASSOC');
foreach ($sub_folders as $sub_folder) {
$sub_folder['c_id'] = $this->destination_course_id;
$sub_folder['ref'] = $new_id;
$sub_folder['session_id'] = $sessionId;
$new_item_id = Database::insert($item_property_table, $sub_folder);
}
$sql = 'SELECT sa.id, sa.expires_on,sa.ends_on,sa.add_to_calendar, sa.enable_qualification, sa.publication_id
FROM '.$work_assignment_table.' sa INNER JOIN '.$work_table.' sp ON sa.publication_id=sp.id
WHERE
sp.c_id = '.$this->course_origin_id.' AND
sa.c_id = '.$this->course_origin_id.' AND
filetype="folder" AND sp.id = '.$old_id.'';
$result = Database::query($sql);
$assing_list = Database::store_result($result, 'ASSOC');
foreach ($assing_list as $assign) {
$assign['c_id'] = $this->destination_course_id;
$assign['id'] = $new_id;
Database::insert($work_assignment_table, $assign);
}
}
}
$destination = '../../courses/'.$this->course->destination_path.'/work/';
$origin = '../../courses/'.$this->course->info['path'].'/work/';
self::allow_create_all_directory($origin,$destination,false);
}
/**
* copy all directory and sub directory
* @param string The path origin
* @param string The path destination
* @param boolean Option Overwrite
* @return void()
* @deprecated
*/
public function allow_create_all_directory($source, $dest, $overwrite = false)
{
if (!is_dir($dest)) {
mkdir($dest, api_get_permissions_for_new_directories());
}
if ($handle = opendir($source)) { // if the folder exploration is sucsessful, continue
while (false !== ($file = readdir($handle))) { // as long as storing the next file to $file is successful, continue
if ($file != '.' && $file != '..') {
$path = $source . '/' . $file;
if (is_file($path)) {
/* if (!is_file($dest . '/' . $file) || $overwrite)
if (!@copy($path, $dest . '/' . $file)) {
echo '<font color="red">File ('.$path.') '.get_lang('NotHavePermission').'</font>';
}*/
} elseif(is_dir($path)) {
if (!is_dir($dest . '/' . $file))
mkdir($dest . '/' . $file);
self:: allow_create_all_directory($path, $dest . '/' . $file, $overwrite);
}
}
}
closedir($handle);
}
}
/**
* Gets the new ID of one specific tool item from the tool name and the old ID
* @param string Tool name
* @param integer Old ID
* @return integer New ID
*/
public function get_new_id($tool, $ref)
{
// Check if the value exist in the current array.
if ($tool == 'hotpotatoes') {
$tool = 'document';
}
if (isset($this->course->resources[$tool][$ref]) &&
isset($this->course->resources[$tool][$ref]->destination_id) &&
!empty($this->course->resources[$tool][$ref]->destination_id)
) {
return $this->course->resources[$tool][$ref]->destination_id;
}
// Check if the course is the same (last hope).
if ($this->course_origin_id == $this->destination_course_id) {
return $ref;
}
return '';
}
/**
* Restore glossary
*/
public function restore_glossary($session_id = 0)
{
if ($this->course->has_resources(RESOURCE_GLOSSARY)) {
$table_glossary = Database :: get_course_table(TABLE_GLOSSARY);
$resources = $this->course->resources;
foreach ($resources[RESOURCE_GLOSSARY] as $id => $glossary) {
$condition_session = "";
if (!empty($session_id)) {
$session_id = intval($session_id);
$condition_session = " , session_id = '$session_id' ";
}
// check resources inside html from ckeditor tool and copy correct urls into recipient course
$glossary->description = DocumentManager::replace_urls_inside_content_html_from_copy_course(
$glossary->description,
$this->course->code,
$this->course->destination_path,
$this->course->backup_path,
$this->course->info['path']
);
$sql = "INSERT INTO " . $table_glossary . " SET
c_id = " . $this->destination_course_id . " ,
name = '" . self::DBUTF8escapestring(
$glossary->name
) . "',
description = '" . self::DBUTF8escapestring(
$glossary->description
) . "',
display_order='" . self::DBUTF8escapestring(
$glossary->display_order
) . "'
$condition_session
";
Database::query($sql);
$my_id = Database::insert_id();
api_item_property_update(
$this->destination_course_info,
TOOL_GLOSSARY,
$my_id,
"GlossaryAdded",
api_get_user_id()
);
$this->course->resources[RESOURCE_GLOSSARY][$id]->destination_id = Database::insert_id();
}
}
}
/**
* @param int $session_id
*/
public function restore_wiki($session_id = 0)
{
if ($this->course->has_resources(RESOURCE_WIKI)) {
// wiki table of the target course
$table_wiki = Database :: get_course_table('wiki');
$table_wiki_conf = Database :: get_course_table('wiki_conf');
// storing all the resources that have to be copied in an array
$resources = $this->course->resources;
foreach ($resources[RESOURCE_WIKI] as $id => $wiki) {
// the sql statement to insert the groups from the old course to the new course
// check resources inside html from ckeditor tool and copy correct urls into recipient course
$wiki->content = DocumentManager::replace_urls_inside_content_html_from_copy_course(
$wiki->content,
$this->course->code,
$this->course->destination_path,
$this->course->backup_path,
$this->course->info['path']
);
$sql = "INSERT INTO $table_wiki (c_id, page_id, reflink, title, content, user_id, group_id, dtime, progress, version, session_id) VALUES (
".$this->destination_course_id." ,
'".self::DBUTF8escapestring($wiki->page_id)."',
'".self::DBUTF8escapestring($wiki->reflink)."',
'".self::DBUTF8escapestring($wiki->title)."',
'".self::DBUTF8escapestring($wiki->content)."',
'".intval($wiki->user_id)."',
'".intval($wiki->group_id)."',
'".self::DBUTF8escapestring($wiki->dtime)."',
'".self::DBUTF8escapestring($wiki->progress)."',
'".intval($wiki->version)."',
'".(!empty($session_id)?intval($session_id):0)."')";
Database::query($sql);
$new_id = Database::insert_id();
$this->course->resources[RESOURCE_WIKI][$id]->destination_id = $new_id;
$sql = "UPDATE $table_wiki set page_id = '$new_id' WHERE c_id = ".$this->destination_course_id." AND id = '$new_id'";
Database::query($sql);
// we also add an entry in wiki_conf
$sql = "INSERT INTO $table_wiki_conf (c_id, page_id, task, feedback1, feedback2, feedback3, fprogress1, fprogress2, fprogress3, max_size, max_text, max_version, startdate_assig, enddate_assig, delayedsubmit) VALUES
(".$this->destination_course_id." , '".intval($new_id)."', '', '', '', '', '', '', '', NULL, 0, 0, '0000-00-00 00:00:00', '0000-00-00 00:00:00', 0)";
Database::query($sql);
}
}
}
/**
* Restore Thematics
* @param int $session_id
*/
public function restore_thematic($session_id = 0)
{
if ($this->course->has_resources(RESOURCE_THEMATIC)) {
$table_thematic = Database :: get_course_table(TABLE_THEMATIC);
$table_thematic_advance = Database :: get_course_table(TABLE_THEMATIC_ADVANCE);
$table_thematic_plan = Database :: get_course_table(TABLE_THEMATIC_PLAN);
$resources = $this->course->resources;
foreach ($resources[RESOURCE_THEMATIC] as $id => $thematic) {
// check resources inside html from ckeditor tool and copy correct urls into recipient course
$thematic->content = DocumentManager::replace_urls_inside_content_html_from_copy_course(
$thematic->content,
$this->course->code,
$this->course->destination_path,
$this->course->backup_path,
$this->course->info['path']
);
$thematic->params['c_id'] = $this->destination_course_id;
$thematic->params['id'] = null;
$last_id = Database::insert($table_thematic, $thematic->params, false);
if (is_numeric($last_id)) {
api_item_property_update($this->destination_course_info, 'thematic', $last_id, "ThematicAdded", api_get_user_id());
foreach($thematic->thematic_advance_list as $thematic_advance) {
unset($thematic_advance['id']);
$thematic_advance['attendance_id'] = 0;
$thematic_advance['thematic_id'] = $last_id;
$thematic_advance['c_id'] = $this->destination_course_id;
$my_id = Database::insert($table_thematic_advance, $thematic_advance, false);
if (is_numeric($my_id)) {
api_item_property_update($this->destination_course_info, 'thematic_advance', $my_id,"ThematicAdvanceAdded", api_get_user_id());
}
}
foreach($thematic->thematic_plan_list as $thematic_plan) {
unset($thematic_plan['id']);
$thematic_plan['thematic_id'] = $last_id;
$thematic_plan['c_id'] = $this->destination_course_id;
$my_id = Database::insert($table_thematic_plan, $thematic_plan, false);
if (is_numeric($my_id)) {
api_item_property_update($this->destination_course_info, 'thematic_plan', $my_id, "ThematicPlanAdded", api_get_user_id());
}
}
}
}
}
}
/**
* Restore Attendance
* @param int $session_id
*/
public function restore_attendance($session_id = 0)
{
if ($this->course->has_resources(RESOURCE_ATTENDANCE)) {
$table_attendance = Database :: get_course_table(TABLE_ATTENDANCE);
$table_attendance_calendar = Database :: get_course_table(TABLE_ATTENDANCE_CALENDAR);
$resources = $this->course->resources;
foreach ($resources[RESOURCE_ATTENDANCE] as $id => $obj) {
// check resources inside html from ckeditor tool and copy correct urls into recipient course
$obj->params['description'] = DocumentManager::replace_urls_inside_content_html_from_copy_course(
$obj->params['description'],
$this->course->code,
$this->course->destination_path,
$this->course->backup_path,
$this->course->info['path']
);
$obj->params['id'] = null;
$obj->params['c_id'] = $this->destination_course_id;
$last_id = Database::insert($table_attendance, $obj->params);
if (is_numeric($last_id)) {
api_item_property_update($this->destination_course_info, TOOL_ATTENDANCE, $last_id,"AttendanceAdded", api_get_user_id());
foreach ($obj->attendance_calendar as $attendance_calendar) {
unset($attendance_calendar['id']);
$attendance_calendar['attendance_id'] = $last_id;
$attendance_calendar['c_id'] = $this->destination_course_id;
Database::insert(
$table_attendance_calendar,
$attendance_calendar
);
}
}
}
}
}
/**
* Restore Works
* @param int $sessionId
*/
public function restore_works($sessionId = 0)
{
require_once api_get_path(SYS_CODE_PATH).'work/work.lib.php';
if ($this->course->has_resources(RESOURCE_WORK)) {
$table_work_assignment = Database :: get_course_table(TABLE_STUDENT_PUBLICATION_ASSIGNMENT);
$resources = $this->course->resources;
foreach ($resources[RESOURCE_WORK] as $obj) {
// check resources inside html from ckeditor tool and copy correct urls into recipient course
$obj->params['description'] = DocumentManager::replace_urls_inside_content_html_from_copy_course(
$obj->params['description'],
$this->course->code,
$this->course->destination_path,
$this->course->backup_path,
$this->course->info['path']
);
$id_work = $obj->params['id'];
$obj->params['id'] = null;
$obj->params['c_id'] = $this->destination_course_info['real_id'];
// re-create dir
// @todo check security against injection of dir in crafted course backup here!
$path = $obj->params['url'];
$path = '/'.str_replace('/','',substr($path,1));
$workData = array();
switch ($this->file_option) {
case FILE_SKIP:
$workData = get_work_data_by_path($path, $this->destination_course_info['real_id']);
if (!empty($workData)) {
continue;
}
case FILE_OVERWRITE:
// Creating folder.
$workData = get_work_data_by_path($path, $this->destination_course_info['real_id']);
case FILE_RENAME:
$obj->params['new_dir'] = $obj->params['title'];
if (!empty($this->course_origin_id)) {
$sql = 'SELECT * FROM ' . $table_work_assignment . '
WHERE
c_id = ' . $this->course_origin_id . ' AND
publication_id = ' . $id_work;
$result = Database::query($sql);
$cant = Database::num_rows($result);
if ($cant > 0) {
$row = Database::fetch_assoc($result);
}
//$obj->params['qualification'] = empty($row['enable_qualification']) ? true : false;
$obj->params['enableExpiryDate'] = $row['expires_on'] == '0000-00-00 00:00:00' ? false : true;
$obj->params['enableEndDate'] = $row['ends_on'] == '0000-00-00 00:00:00' ? false : true;
$obj->params['expires_on'] = $row['expires_on'];
$obj->params['ends_on'] = $row['ends_on'];
$obj->params['enable_qualification'] = $row['enable_qualification'];
$obj->params['add_to_calendar'] = !empty($row['add_to_calendar']) ? 1 : 0;
if (empty($workData)) {
addDir(
$obj->params,
api_get_user_id(),
$this->destination_course_info,
0,
$sessionId
);
} else {
$workId = $workData['id'];
updateWork(
$workId,
$obj->params,
$this->destination_course_info,
$sessionId
);
updatePublicationAssignment(
$workId,
$obj->params,
$this->destination_course_info,
0
);
}
}
break;
}
}
}
}
/**
* @param string $str
* @return string
*/
public function DBUTF8($str)
{
if (UTF8_CONVERT) {
$str = utf8_encode($str);
}
return $str;
}
/**
* @param string $str
* @return string
*/
public function DBUTF8escapestring($str)
{
if (UTF8_CONVERT) {
$str = utf8_encode($str);
}
return Database::escape_string($str);
}
/**
* @param array $array
* @return mixed
*/
public function DBUTF8_array($array)
{
if (UTF8_CONVERT) {
foreach ($array as &$item) {
$item = utf8_encode($item);
}
return $array;
} else {
return $array;
}
}
}