Chamilo is a learning management system focused on ease of use and accessibility
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chamilo-lms/main/coursecopy/create_backup.php

126 lines
3.9 KiB

<?php
/* For licensing terms, see /license.txt */
/**
* Create a backup.
*
* @author Bart Mollet <bart.mollet@hogent.be>
* @package chamilo.backup
*/
require_once '../inc/global.inc.php';
$current_course_tool = TOOL_COURSE_MAINTENANCE;
api_protect_course_script(true);
api_check_archive_dir();
// Check access rights (only teachers are allowed here)
if (!api_is_allowed_to_edit()) {
api_not_allowed(true);
}
// Remove memory and time limits as much as possible as this might be a long process...
if (function_exists('ini_set')) {
api_set_memory_limit('256M');
ini_set('max_execution_time', 1800);
}
// Section for the tabs
$this_section = SECTION_COURSES;
// Breadcrumbs
$interbreadcrumb[] = array(
'url' => '../course_info/maintenance.php',
'name' => get_lang('Maintenance')
);
// Displaying the header
$nameTools = get_lang('CreateBackup');
Display::display_header($nameTools);
// Include additional libraries
require_once 'classes/CourseBuilder.class.php';
require_once 'classes/CourseArchiver.class.php';
require_once 'classes/CourseRestorer.class.php';
require_once 'classes/CourseSelectForm.class.php';
// Display the tool title
echo Display::page_header($nameTools);
/* MAIN CODE */
if (Security::check_token('post') && (
(
isset($_POST['action']) &&
$_POST['action'] == 'course_select_form'
) || (
isset($_POST['backup_option']) &&
$_POST['backup_option'] == 'full_backup'
)
)
) {
// Clear token
Security::clear_token();
if (isset($_POST['action']) && $_POST['action'] == 'course_select_form') {
$course = CourseSelectForm::get_posted_course();
} else {
$cb = new CourseBuilder();
$course = $cb->build();
}
$zip_file = CourseArchiver::write_course($course);
Display::display_confirmation_message(get_lang('BackupCreated'));
echo '<br /><a class="btn btn-primary btn-large" href="' . api_get_path(WEB_CODE_PATH) . 'course_info/download.php?archive=' . $zip_file . '&' . api_get_cidreq() . '">
' . get_lang('Download') . '</a>';
} elseif (Security::check_token('post') && (
isset($_POST['backup_option']) &&
$_POST['backup_option'] == 'select_items'
)
) {
// Clear token
Security::clear_token();
$cb = new CourseBuilder('partial');
$course = $cb->build();
// Add token to Course select form
$hiddenFields['sec_token'] = Security::get_token();
CourseSelectForm::display_form($course, $hiddenFields);
} else {
$cb = new CourseBuilder();
$course = $cb->build();
if (!$course->has_resources()) {
echo get_lang('NoResourcesToBackup');
} else {
$form = new FormValidator('create_backup_form', 'post', api_get_self() . '?' . api_get_cidreq());
$form->addElement('header', get_lang('SelectOptionForBackup'));
$form->addElement('radio', 'backup_option', '', get_lang('CreateFullBackup'), 'full_backup');
$form->addElement('radio', 'backup_option', '', get_lang('LetMeSelectItems'), 'select_items');
$form->addButtonSave(get_lang('CreateBackup'));
$form->add_progress_bar();
// When progress bar appears we have to hide the title "Please select a backup-option".
$form->updateAttributes(
array(
'onsubmit' => str_replace(
'javascript: ',
'javascript: page_title = getElementById(\'page_title\'); if (page_title) { setTimeout(\'page_title.style.display = \\\'none\\\';\', 2000); } ',
$form->getAttribute('onsubmit')
)
)
);
$values['backup_option'] = 'full_backup';
$form->setDefaults($values);
// Add Security token
$token = Security::get_token();
$form->addElement('hidden', 'sec_token');
$form->setConstants(array('sec_token' => $token));
$form->display();
}
}
Display::display_footer();