Proyectos de Subversion Moodle

<?php

// This file is part of Moodle - http://moodle.org/

//

// Moodle is free software: you can redistribute it and/or modify

// it under the terms of the GNU General Public License as published by

// the Free Software Foundation, either version 3 of the License, or

// (at your option) any later version.

//

// Moodle is distributed in the hope that it will be useful,

// but WITHOUT ANY WARRANTY; without even the implied warranty of

// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

// GNU General Public License for more details.

//

// You should have received a copy of the GNU General Public License

// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.

/**

 * This script allows to do backup.

 *

 * @package    core

 * @subpackage cli

 * @copyright  2013 Lancaster University

 * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later

 */

define('CLI_SCRIPT', 1);

require(__DIR__.'/../../config.php');

require_once($CFG->libdir.'/clilib.php');

require_once($CFG->dirroot . '/backup/util/includes/backup_includes.php');

// Now get cli options.

list($options, $unrecognized) = cli_get_params(array(

    'courseid' => false,

    'courseshortname' => '',

    'cmid' => false,

    'destination' => '',

    'help' => false,

    ), array('h' => 'help'));

if ($unrecognized) {

    $unrecognized = implode("\n  ", $unrecognized);

    cli_error(get_string('cliunknowoption', 'admin', $unrecognized));

}

if ($options['help'] || !($options['courseid'] || $options['courseshortname'] || $options['cmid'])) {

    $help = <<<EOL

Perform backup of the given course or course module.

Options:

--courseid=INTEGER          Course ID for backup.

--courseshortname=STRING    Course shortname for backup. This option is ignored if courseid is set.

--cmid=INTEGER              Course module ID for backup. This option is ignored if courseid or courseshortname is set.

--destination=STRING        Path where to store backup file. If not set the backup

                            will be stored within the course backup file area.

-h, --help                  Print out this help.

Example:

\$sudo -u www-data /usr/bin/php admin/cli/backup.php --courseid=2 --destination=/moodle/backup/\n

EOL;

    echo $help;

    die;

}

$admin = get_admin();

if (!$admin) {

    mtrace("Error: No admin account was found");

    die;

}

// Do we need to store backup somewhere else?

$dir = rtrim($options['destination'], '/');

if (!empty($dir)) {

    if (!file_exists($dir) || !is_dir($dir) || !is_writable($dir)) {

        mtrace("Destination directory does not exists or not writable.");

        die;

    }

}

// Check that the course or course module exists.

if ($options['courseid']) {

    $course = $DB->get_record('course', array('id' => $options['courseid']), '*', MUST_EXIST);

} else if ($options['courseshortname']) {

    $course = $DB->get_record('course', array('shortname' => $options['courseshortname']), '*', MUST_EXIST);

} else if ($options['cmid']) {

    $cm = $DB->get_record('course_modules', ['id' => $options['cmid']], '*', MUST_EXIST);

}

cli_heading('Performing backup...');

if (!empty($course)) {

    $bc = new backup_controller(backup::TYPE_1COURSE, $course->id, backup::FORMAT_MOODLE,

        backup::INTERACTIVE_YES, backup::MODE_GENERAL, $admin->id);

} else if (!empty($cm)) {

    $bc = new backup_controller(backup::TYPE_1ACTIVITY, $cm->id, backup::FORMAT_MOODLE,

        backup::INTERACTIVE_YES, backup::MODE_GENERAL, $admin->id);

} else {

    throw new \moodle_exception('invalidoption');

}

// Set the default filename.

$format = $bc->get_format();

$type = $bc->get_type();

$id = $bc->get_id();

$users = $bc->get_plan()->get_setting('users')->get_value();

$anonymised = $bc->get_plan()->get_setting('anonymize')->get_value();

$filename = backup_plan_dbops::get_default_backup_filename($format, $type, $id, $users, $anonymised);

$bc->get_plan()->get_setting('filename')->set_value($filename);

// Execution.

$bc->finish_ui();

$bc->execute_plan();

$results = $bc->get_results();

$file = $results['backup_destination']; // May be empty if file already moved to target location.

// Do we need to store backup somewhere else?

if (!empty($dir)) {

    if ($file) {

        mtrace("Writing " . $dir.'/'.$filename);

        if ($file->copy_content_to($dir.'/'.$filename)) {

            $file->delete();

            mtrace("Backup completed.");

        } else {

            mtrace("Destination directory does not exist or is not writable. Leaving the backup in the course backup file area.");

        }

    }

} else {

    if (!empty($course)) {

        mtrace("Backup completed, the new file is listed in the backup area of the given course");

    } else {

        mtrace("Backup completed, the new file is listed in the backup area of the given module");

    }

}

$bc->destroy();

exit(0);