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