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/>.

/**

 * Import backup file or select existing backup file from moodle

 * @package   moodlecore

 * @copyright 2010 Dongsheng Cai <dongsheng@moodle.com>

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

 */

require_once('../config.php');

require_once(__DIR__ . '/restorefile_form.php');

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

// current context

$contextid = required_param('contextid', PARAM_INT);

$filecontextid = optional_param('filecontextid', 0, PARAM_INT);

// action

$action = optional_param('action', '', PARAM_ALPHA);

// file parameters

// non js interface may require these parameters

$component  = optional_param('component', null, PARAM_COMPONENT);

$filearea   = optional_param('filearea', null, PARAM_AREA);

$itemid     = optional_param('itemid', null, PARAM_INT);

$filepath   = optional_param('filepath', null, PARAM_PATH);

$filename   = optional_param('filename', null, PARAM_FILE);

list($context, $course, $cm) = get_context_info_array($contextid);

// will be used when restore

if (!empty($filecontextid)) {

    $filecontext = context::instance_by_id($filecontextid);

}

$url = new moodle_url('/backup/restorefile.php', array('contextid'=>$contextid));

$PAGE->set_url($url);

$PAGE->set_context($context);

switch ($context->contextlevel) {

    case CONTEXT_COURSECAT:

        core_course_category::page_setup();

        break;

    case CONTEXT_MODULE:

        $PAGE->set_heading(get_string('restoreactivity', 'backup'));

        break;

    case CONTEXT_COURSE:

        $course = get_course($context->instanceid);

        $PAGE->set_heading($course->fullname);

        $PAGE->set_secondary_active_tab('coursereuse');

        break;

    default:

        $PAGE->set_heading($SITE->fullname);

}

require_login($course, false, $cm);

require_capability('moodle/restore:restorecourse', $context);

if (is_null($course)) {

    $courseid = 0;

    $coursefullname = $SITE->fullname;

} else {

    $courseid = $course->id;

    $coursefullname = $course->fullname;

}

$browser = get_file_browser();

// check if tmp dir exists

$tmpdir = make_backup_temp_directory('', false);

if (!check_dir_exists($tmpdir, true, true)) {

    throw new restore_controller_exception('cannot_create_backup_temp_dir');

}

// choose the backup file from backup files tree

if ($action == 'choosebackupfile') {

    if ($filearea == 'automated') {

        require_capability('moodle/restore:viewautomatedfilearea', $context);

    }

    if ($fileinfo = $browser->get_file_info($filecontext, $component, $filearea, $itemid, $filepath, $filename)) {

        if (is_a($fileinfo, 'file_info_stored')) {

            // Use the contenthash rather than copying the file where possible,

            // to improve performance and avoid timeouts with large files.

            $fs = get_file_storage();

            $params = $fileinfo->get_params();

            $file = $fs->get_file($params['contextid'], $params['component'], $params['filearea'],

                    $params['itemid'], $params['filepath'], $params['filename']);

            $restore_url = new moodle_url('/backup/restore.php', array('contextid' => $contextid,

                    'pathnamehash' => $file->get_pathnamehash(), 'contenthash' => $file->get_contenthash()));

        } else {

            // If it's some weird other kind of file then use old code.

            $filename = restore_controller::get_tempdir_name($courseid, $USER->id);

            $pathname = $tmpdir . '/' . $filename;

            if (!$fileinfo->copy_to_pathname($pathname)) {

                throw new restore_ui_exception('errorcopyingbackupfile', null, $pathname);

            }

            $restore_url = new moodle_url('/backup/restore.php', array(

                    'contextid' => $contextid, 'filename' => $filename));

        }

        redirect($restore_url);

    } else {

        redirect($url, get_string('filenotfound', 'error'));

    }

    die;

}

$PAGE->set_title(get_string('course') . ': ' . $coursefullname);

$PAGE->set_pagelayout('admin');

$PAGE->activityheader->disable();

$PAGE->requires->js_call_amd('core_backup/async_backup', 'asyncBackupAllStatus', array($context->id));

$form = new course_restore_form(null, array('contextid'=>$contextid));

$data = $form->get_data();

if ($data && has_capability('moodle/restore:uploadfile', $context)) {

    $filename = restore_controller::get_tempdir_name($courseid, $USER->id);

    $pathname = $tmpdir . '/' . $filename;

    if (!$form->save_file('backupfile', $pathname)) {

        throw new restore_ui_exception('errorcopyingbackupfile', null, $pathname);

    }

    $restore_url = new moodle_url('/backup/restore.php', array('contextid'=>$contextid, 'filename'=>$filename));

    redirect($restore_url);

    die;

}

echo $OUTPUT->header();

\backup_helper::print_coursereuse_selector('restore');

echo html_writer::tag('div', get_string('restoreinfo'), ['class' => 'pb-3']);

// require uploadfile cap to use file picker

if (has_capability('moodle/restore:uploadfile', $context)) {

    echo $OUTPUT->heading(get_string('importfile', 'backup'));

    echo $OUTPUT->container_start();

    $form->display();

    echo $OUTPUT->container_end();

}

// Activity backup area.

if ($context->contextlevel == CONTEXT_MODULE) {

    $treeviewoptions = [

        'filecontext' => $context,

        'currentcontext' => $context,

        'component' => 'backup',

        'context' => $context,

        'filearea' => 'activity',

    ];

    $renderer = $PAGE->get_renderer('core', 'backup');

    echo $renderer->backup_files_viewer($treeviewoptions);

    // Update the course context with the proper value, because $context contains the module context.

    $coursecontext = \context_course::instance($course->id);

} else {

    $coursecontext = $context;

}

// Course backup area.

$treeviewoptions = [

    'filecontext' => $coursecontext,

    'currentcontext' => $context,

    'component' => 'backup',

    'context' => $context,

    'filearea' => 'course',

];

$renderer = $PAGE->get_renderer('core', 'backup');

echo $renderer->backup_files_viewer($treeviewoptions);

// Private backup area.

$usercontext = context_user::instance($USER->id);

$treeviewoptions = [

    'filecontext' => $usercontext,

    'currentcontext' => $context,

    'component' => 'user',

    'context' => 'backup',

    'filearea' => 'backup',

];

$renderer = $PAGE->get_renderer('core', 'backup');

echo $renderer->backup_files_viewer($treeviewoptions);

// Automated backup area.

$automatedbackups = get_config('backup', 'backup_auto_active');

if (!empty($automatedbackups)) {

    $treeviewoptions = [

        'filecontext' => $context,

        'currentcontext' => $context,

        'component' => 'backup',

        'context' => $context,

        'filearea' => 'automated',

    ];

    $renderer = $PAGE->get_renderer('core', 'backup');

    echo $renderer->backup_files_viewer($treeviewoptions);

}

// In progress course restores.

if (async_helper::is_async_enabled()) {

    echo $OUTPUT->heading_with_help(get_string('asyncrestoreinprogress', 'backup'), 'asyncrestoreinprogress', 'backup');

    echo $OUTPUT->container_start();

    $renderer = $PAGE->get_renderer('core', 'backup');

    echo $renderer->restore_progress_viewer($USER->id, $context);

    echo $OUTPUT->container_end();

}

echo $OUTPUT->footer();