';
Display::display_error_message(get_lang('NotAllowedClickBack').'
'.get_lang('BackToPreviousPage').'
', false);
echo '';
exit;
}
//zip library for creation of the zipfile
require api_get_path(LIBRARY_PATH).'pclzip/pclzip.lib.php';
//Creating a ZIP file
$temp_zip_file = api_get_path(SYS_ARCHIVE_PATH).api_get_unique_id().".zip";
$zip_folder = new PclZip($temp_zip_file);
$doc_table = Database::get_course_table(TABLE_DOCUMENT);
$prop_table = Database::get_course_table(TABLE_ITEM_PROPERTY);
// We need this path to clean it out of the zip file
// I'm not using dirname as it gives too much problems (cfr.)
$remove_dir = ($path != '/') ? substr($path, 0, strlen($path) - strlen(basename($path))) : '/';
// Put the files in the zip
// 2 possibilities: Admins get all files and folders in the selected folder (except for the deleted ones)
// Normal users get only visible files that are in visible folders
// Admins are allowed to download invisible files
if (api_is_allowed_to_edit()) {
// Set the path that will be used in the query
if ($path == '/') {
$querypath = ''; // To prevent ...path LIKE '//%'... in query
} else {
$querypath = $path;
}
$querypath = Database::escape_string($querypath);
// Search for all files that are not deleted => visibility != 2
$query = Database::query("SELECT path FROM $doc_table AS docs,$prop_table AS props
WHERE props.tool='".TOOL_DOCUMENT."' AND docs.id=props.ref AND docs.path LIKE '".$querypath."/%' AND docs.filetype='file' AND props.visibility<>'2' AND props.to_group_id=".$to_group_id."");
// Add tem to the zip file
while ($not_deleted_file = Database::fetch_assoc($query)) {
$zip_folder->add($sys_course_path.$_course['path'].'/document'.$not_deleted_file['path'], PCLZIP_OPT_REMOVE_PATH, $sys_course_path.$_course['path'].'/document'.$remove_dir);
}
} else {
// For other users, we need to create a zipfile with only visible files and folders
if ($path == '/') {
$querypath = ''; // To prevent ...path LIKE '//%'... in query
} else {
$querypath = $path;
}
// A big problem: Visible files that are in a hidden folder are included when we do a query for visiblity='v'
// So... I do it in a couple of steps:
// 1st: Get all files that are visible in the given path
$querypath = Database::escape_string($querypath);
$query = Database::query("SELECT path FROM $doc_table AS docs,$prop_table AS props
WHERE props.tool='".TOOL_DOCUMENT."' AND docs.id=props.ref AND docs.path LIKE '".$querypath."/%' AND props.visibility='1' AND docs.filetype='file' AND props.to_group_id=".$to_group_id);
// Add them to an array
while ($all_visible_files = Database::fetch_assoc($query)) {
$all_visible_files_path[] = $all_visible_files['path'];
//echo "visible files: ".$sys_course_path.$_course['path'].'/document'.$all_visible_files['path']."
";
}
//echo('
'); //print_r($all_visible_files_path); //echo(''); // 2nd: Get all folders that are invisible in the given path $query2 = Database::query("SELECT path FROM $doc_table AS docs,$prop_table AS props WHERE props.tool='".TOOL_DOCUMENT."' AND docs.id=props.ref AND docs.path LIKE '".$querypath."/%' AND props.visibility<>'1' AND docs.filetype='folder'"); // If we get invisible folders, we have to filter out these results from all visible files we found if (Database::num_rows($query2) > 0) { // Add tem to an array while ($invisible_folders = Database::fetch_assoc($query2)) { //3rd: Get all files that are in the found invisible folder (these are "invisible" too) //echo "