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317 lines
13 KiB
317 lines
13 KiB
<?php
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/* For licensing terms, see /license.txt */
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use Chamilo\CourseBundle\Component\CourseCopy\CourseBuilder;
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use Chamilo\CourseBundle\Component\CourseCopy\CourseSelectForm;
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/**
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* Special exports
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*
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* @author Jhon Hinojosa
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* @author Julio Montoya Fixing pclzip folder + some clean <gugli100@gmail.com>
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* @package chamilo.include.export
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*/
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// including the global file
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$cidReset = true;
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require_once __DIR__.'/../inc/global.inc.php';
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$this_section = SECTION_PLATFORM_ADMIN;
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$interbreadcrumb[] = array("url" => 'index.php', "name" => get_lang('PlatformAdmin'));
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// Access restrictions
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api_protect_admin_script(true);
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$nameTools = get_lang('SpecialExports');
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$export = '';
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$querypath = '';
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// include additional libraries
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if (function_exists('ini_set')) {
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api_set_memory_limit('256M');
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ini_set('max_execution_time', 0);
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}
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// Displaying the header
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Display::display_header($nameTools);
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// Display the tool title
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echo Display::page_header($nameTools);
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if (count($_POST) == 0) {
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Display::addFlash(Display::return_message(get_lang('SpecialExportsIntroduction')));
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}
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$error = 0;
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$tbl_session = Database::get_main_table(TABLE_MAIN_SESSION);
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$tbl_session_course = Database::get_main_table(TABLE_MAIN_SESSION_COURSE);
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if ((isset($_POST['action']) && $_POST['action'] == 'course_select_form') ||
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(isset($_POST['backup_option']) && $_POST['backup_option'] == 'full_backup')
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) {
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$export = false;
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if (isset($_POST['action']) && $_POST['action'] == 'course_select_form') {
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$FileZip = create_zip();
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$to_group_id = 0;
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$sql_session = "SELECT id, name FROM $tbl_session ";
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$query_session = Database::query($sql_session);
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$ListSession = array();
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while ($rows_session = Database::fetch_assoc($query_session)) {
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$ListSession[$rows_session['id']] = $rows_session['name'];
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}
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$groupCondition = " props.to_group_id = $to_group_id";
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if (empty($to_group_id)) {
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$groupCondition = " (props.to_group_id = 0 OR props.to_group_id IS NULL)";
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}
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$zip_folder = new PclZip($FileZip['TEMP_FILE_ZIP']);
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if (!isset($_POST['resource']) || count($_POST['resource']) == 0) {
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Display::addFlash(Display::return_message(get_lang('ErrorMsgSpecialExport'), 'error'));
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} else {
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$Resource = $_POST['resource'];
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foreach ($Resource as $Code_course => $Sessions) {
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$_course = api_get_course_info($Code_course);
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$tbl_document = Database::get_course_table(TABLE_DOCUMENT);
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$tbl_property = Database::get_course_table(TABLE_ITEM_PROPERTY);
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$course_id = $_course['real_id'];
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//Add item to the zip file course
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$sql = "SELECT path FROM $tbl_document AS docs, $tbl_property AS props
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WHERE props.tool='".TOOL_DOCUMENT."'
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AND docs.id=props.ref
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AND docs.path LIKE '".$querypath."/%'
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AND docs.filetype='file'
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AND (docs.session_id = '0' OR docs.session_id IS NULL)
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AND props.visibility<>'2'
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AND $groupCondition
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AND docs.c_id = $course_id
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AND props.c_id = $course_id";
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$query = Database::query($sql);
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while ($rows_course_file = Database::fetch_assoc($query)) {
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$zip_folder->add(
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$FileZip['PATH_COURSE'].$_course['directory']."/document".$rows_course_file['path'],
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PCLZIP_OPT_ADD_PATH,
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$_course['directory'],
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PCLZIP_OPT_REMOVE_PATH,
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$FileZip['PATH_COURSE'].$_course['directory']."/document".$FileZip['PATH_REMOVE']
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);
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}
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foreach ($Sessions as $IdSession => $value) {
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$session_id = (int) $IdSession;
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//Add tem to the zip file session course
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$sql_session_doc = "SELECT path FROM $tbl_document AS docs, $tbl_property AS props
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WHERE props.tool='".TOOL_DOCUMENT."'
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AND docs.id=props.ref
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AND docs.path LIKE '".$querypath."/%'
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AND docs.filetype='file'
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AND docs.session_id = '$session_id'
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AND props.visibility<>'2'
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AND $groupCondition
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AND docs.c_id = $course_id
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AND props.c_id = $course_id";
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$query_session_doc = Database::query($sql_session_doc);
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while ($rows_course_session_file = Database::fetch_assoc($query_session_doc)) {
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$zip_folder->add(
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$FileZip['PATH_COURSE'].$_course['directory'].'/document'.$rows_course_session_file['path'],
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PCLZIP_OPT_ADD_PATH,
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$_course['directory']."/".$ListSession[$session_id],
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PCLZIP_OPT_REMOVE_PATH,
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$FileZip['PATH_COURSE'].$_course['directory'].'/document'.$FileZip['PATH_REMOVE']
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);
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}
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}
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}
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$name = rename_zip($FileZip);
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$export = true;
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}
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} else {
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$name = fullexportspecial();
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}
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}
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if ($export && $name) {
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Display::addFlash(Display::return_message(get_lang('BackupCreated'), 'confirm'));
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echo '<br /><a class="btn btn-default" href="'.api_get_path(WEB_CODE_PATH).'course_info/download.php?archive_path=&archive='.urlencode($name).'">'.get_lang('Download').'</a>';
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} else {
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// Display forms especial export
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if (isset($_POST['backup_option']) && $_POST['backup_option'] == 'select_items') {
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$cb = new CourseBuilder();
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$course = $cb->build_session_course();
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if ($course === false) {
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Display::addFlash(Display::return_message(get_lang('ErrorMsgSpecialExport'), 'error'));
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form_special_export();
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} else {
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Display::addFlash(Display::return_message(get_lang('ToExportSpecialSelect'), 'normal'));
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CourseSelectForm :: display_form_session_export($course);
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}
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} else {
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form_special_export();
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}
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}
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/* FOOTER */
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Display::display_footer();
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function form_special_export()
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{
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$form = new FormValidator('special_exports', 'post');
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$renderer = $form->defaultRenderer();
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$renderer->setCustomElementTemplate('<div>{element}</div> ');
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$form->addElement('radio', 'backup_option', '', get_lang('SpecialCreateFullBackup'), 'full_backup');
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$form->addElement('radio', 'backup_option', '', get_lang('SpecialLetMeSelectItems'), 'select_items');
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$form->addElement('html', '<br />');
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$form->addButtonExport(get_lang('CreateBackup'));
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$form->addProgress();
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$values['backup_option'] = 'full_backup';
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$form->setDefaults($values);
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$form->display();
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}
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function create_zip()
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{
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$path = '';
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if (empty($path)) {
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$path = '/';
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}
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$remove_dir = ($path != '/') ? substr($path, 0, strlen($path) - strlen(basename($path))) : '/';
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$sys_archive_path = api_get_path(SYS_ARCHIVE_PATH).'special_export/';
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$sys_course_path = api_get_path(SYS_COURSE_PATH);
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$temp_zip_dir = $sys_archive_path;
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if (!is_dir($temp_zip_dir)) {
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mkdir($temp_zip_dir, api_get_permissions_for_new_directories());
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} else {
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$handle = opendir($temp_zip_dir);
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while (false !== ($file = readdir($handle))) {
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if ($file != "." && $file != "..") {
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$Diff = (time() - filemtime("$temp_zip_dir/$file")) / 60 / 60; //the "age" of the file in hours
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if ($Diff > 4) {
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unlink("$temp_zip_dir/$file");
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} //delete files older than 4 hours
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}
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}
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closedir($handle);
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}
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$temp_zip_file = $temp_zip_dir."/".md5(time()).".zip"; //create zipfile of given directory
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return array(
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'PATH' => $path,
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'PATH_TEMP_ARCHIVE' => $temp_zip_dir,
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'PATH_COURSE' => $sys_course_path,
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'TEMP_FILE_ZIP' => $temp_zip_file,
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'PATH_REMOVE' => $remove_dir
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);
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}
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function rename_zip($FileZip)
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{
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Event::event_download(($FileZip['PATH'] == '/') ? 'full_export_'.date('Ymd').'.zip (folder)' : basename($FileZip['PATH']).'.zip (folder)');
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$name = ($FileZip['PATH'] == '/') ? 'full_export_'.date('Ymd').'.zip' : basename($FileZip['PATH']).'.zip';
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if (file_exists($FileZip['PATH_TEMP_ARCHIVE'].'/'.$name)) {
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unlink($FileZip['PATH_TEMP_ARCHIVE'].'/'.$name);
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}
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if (file_exists($FileZip['TEMP_FILE_ZIP'])) {
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rename(
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$FileZip['TEMP_FILE_ZIP'],
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$FileZip['PATH_TEMP_ARCHIVE'].'/'.$name
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);
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return $name;
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} else {
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return false;
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}
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}
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function fullexportspecial()
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{
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global $tbl_session, $tbl_session_course, $export;
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$FileZip = create_zip();
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$to_group_id = 0;
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$zip_folder = new PclZip($FileZip['TEMP_FILE_ZIP']);
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$list_course = CourseManager::get_course_list();
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$tbl_document = Database::get_course_table(TABLE_DOCUMENT);
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$tbl_property = Database::get_course_table(TABLE_ITEM_PROPERTY);
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$groupCondition = " props.to_group_id = $to_group_id";
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if (empty($to_group_id)) {
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$groupCondition = " (props.to_group_id = 0 OR props.to_group_id IS NULL)";
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}
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if (count($list_course) > 0) {
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foreach ($list_course as $_course) {
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if ($FileZip['PATH'] == '/') {
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$querypath = ''; // to prevent ...path LIKE '//%'... in query
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} else {
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$querypath = $FileZip['PATH'];
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}
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$course_id = $_course['real_id'];
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//Add tem to the zip file course
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$sql = "SELECT path FROM $tbl_document AS docs, $tbl_property AS props
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WHERE props.tool='".TOOL_DOCUMENT."'
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AND docs.id=props.ref
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AND docs.path LIKE '".$querypath."/%'
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AND docs.filetype='file'
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AND (docs.session_id = '0' OR docs.session_id IS NULL)
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AND props.visibility<>'2'
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AND $groupCondition
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AND docs.c_id = $course_id
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AND props.c_id = $course_id";
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$query = Database::query($sql);
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while ($rows_course_file = Database::fetch_assoc($query)) {
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$zip_folder->add(
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$FileZip['PATH_COURSE'].$_course['directory']."/document".$rows_course_file['path'],
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PCLZIP_OPT_ADD_PATH,
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$_course['directory'],
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PCLZIP_OPT_REMOVE_PATH, $FileZip['PATH_COURSE'].$_course['directory']."/document".$FileZip['PATH_REMOVE']
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);
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}
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//Add tem to the zip file session course
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$sql = "SELECT s.id, name, c_id
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FROM $tbl_session_course sc
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INNER JOIN $tbl_session s
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ON sc.session_id = s.id
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WHERE c_id = '$course_id' ";
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$query_session = Database::query($sql);
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while ($rows_session = Database::fetch_assoc($query_session)) {
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$session_id = $rows_session['id'];
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$sql_session_doc = "SELECT path FROM $tbl_document AS docs, $tbl_property AS props
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WHERE props.tool='".TOOL_DOCUMENT."'
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AND docs.id=props.ref
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AND docs.path LIKE '".$querypath."/%'
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AND docs.filetype='file'
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AND docs.session_id = '$session_id'
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AND props.visibility<>'2'
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AND $groupCondition
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AND docs.c_id = $course_id
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AND props.c_id = $course_id ";
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$query_session_doc = Database::query($sql_session_doc);
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while ($rows_course_session_file = Database::fetch_assoc($query_session_doc)) {
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$zip_folder->add(
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$FileZip['PATH_COURSE'].$_course['directory'].'/document'.$rows_course_session_file['path'],
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PCLZIP_OPT_ADD_PATH,
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$_course['directory']."/".$rows_session['name'],
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PCLZIP_OPT_REMOVE_PATH,
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$FileZip['PATH_COURSE'].$_course['directory'].'/document'.$FileZip['PATH_REMOVE']
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);
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}
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}
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}
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$name = rename_zip($FileZip);
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if ($name === false) {
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$export = false;
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return false;
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} else {
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$export = true;
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return $name;
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}
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} else {
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Display::display_error_message(get_lang('ErrorMsgSpecialExport')); //main API
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$export = false;
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return false;
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}
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}
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