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- <?php
- /* For licensing terms, see /license.txt */
- /**
- * Functions and main code for the download folder feature
- * @todo use ids instead of the path like the document tool
- * @package chamilo.work
- */
- $work_id = $_GET['id'];
- require_once '../inc/global.inc.php';
- require_once 'work.lib.php';
- $work_data = get_work_data_by_id($work_id);
- if (empty($work_data)) {
- exit;
- }
- //prevent some stuff
- if (empty($path)) {
- $path = '/';
- }
- if (empty($_course) || empty($_course['path'])) {
- api_not_allowed();
- }
- $sys_course_path = api_get_path(SYS_COURSE_PATH);
- //zip library for creation of the zipfile
- require_once 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);
- $tbl_student_publication = Database::get_course_table(TABLE_STUDENT_PUBLICATION);
- $prop_table = Database::get_course_table(TABLE_ITEM_PROPERTY);
- //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
- $files = array();
- $course_id = api_get_course_int_id();
- if (api_is_allowed_to_edit()) {
- //search for all files that are not deleted => visibility != 2
-
- $sql = "SELECT url, title FROM $tbl_student_publication AS work, $prop_table AS props
- WHERE props.c_id = $course_id AND
- work.c_id = $course_id AND
- props.tool='work' AND
- work.id=props.ref AND
- work.parent_id = $work_id AND
- work.filetype='file' AND props.visibility<>'2'";
- $query = Database::query($sql);
- //add tem to the zip file
- while ($not_deleted_file = Database::fetch_assoc($query)) {
- if (file_exists($sys_course_path.$_course['path'].'/'.$not_deleted_file['url'])) {
- $files[basename($not_deleted_file['url'])] = $not_deleted_file['title'];
- $zip_folder->add($sys_course_path.$_course['path'].'/'.$not_deleted_file['url'], PCLZIP_OPT_REMOVE_PATH, $sys_course_path.$_course['path'].'/work', PCLZIP_CB_PRE_ADD, 'my_pre_add_callback');
- }
- }
- } else {
- //for other users, we need to create a zipfile with only visible files and folders
- $sql = "SELECT url, title FROM $tbl_student_publication AS work, $prop_table AS props
- WHERE props.c_id = $course_id AND work.c_id = $course_id AND
- props.tool='work' AND
- work.accepted = 1 AND
- work.id=props.ref AND
- work.parent_id = $work_id AND
- work.filetype='file' AND
- props.visibility = '1' AND props.insert_user_id='".api_get_user_id()."' ";
- $query = Database::query($sql);
- //add tem to the zip file
- while ($not_deleted_file = Database::fetch_assoc($query)) {
- if (file_exists($sys_course_path.$_course['path'].'/'.$not_deleted_file['url'])) {
- $files[basename($not_deleted_file['url'])] = $not_deleted_file['title'];
- $zip_folder->add($sys_course_path.$_course['path'].'/'.$not_deleted_file['url'], PCLZIP_OPT_REMOVE_PATH, $sys_course_path.$_course['path'].'/work', PCLZIP_CB_PRE_ADD, 'my_pre_add_callback');
- }
- }
- }//end for other users
- if (!empty($files)) {
- //logging
- event_download(basename($work_data['title']).'.zip (folder)');
- //start download of created file
- $name = basename($work_data['title']).'.zip';
-
- if (Security::check_abs_path($temp_zip_file, api_get_path(SYS_ARCHIVE_PATH))) {
- DocumentManager::file_send_for_download($temp_zip_file, true, $name);
- @unlink($temp_zip_file);
- exit;
- }
- } else {
- exit;
- }
- /* Extra function (only used here) */
- function my_pre_add_callback($p_event, &$p_header) {
- global $files;
- if (isset($files[basename($p_header['stored_filename'])])) {
- $p_header['stored_filename'] = $files[basename($p_header['stored_filename'])];
- return 1;
- }
- return 0;
- }
- /**
- * Return the difference between two arrays, as an array of those key/values
- * Use this as array_diff doesn't give the
- *
- * @param array $arr1 first array
- * @param array $arr2 second array
- * @return difference between the two arrays
- */
- function diff($arr1, $arr2) {
- $res = array();
- $r = 0;
- foreach ($arr1 as $av) {
- if (!in_array($av, $arr2)) {
- $res[$r] = $av;
- $r++;
- }
- }
- return $res;
- }
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