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/>.

/**

 * Manage files in user draft area attached to texteditor.

 *

 * @package   tiny_media

 * @copyright 2022, Stevani Andolo <stevani@hotmail.com.au>

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

 */

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

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

require_once($CFG->dirroot . '/repository/lib.php');

$itemid = required_param('itemid', PARAM_INT) ?? 0;

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

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

$acceptedtypes = optional_param('accepted_types', '*', PARAM_RAW); // TODO Not yet passed to this script.

$returntypes = optional_param('return_types', null, PARAM_INT);

$areamaxbytes = optional_param('areamaxbytes', FILE_AREA_MAX_BYTES_UNLIMITED, PARAM_INT);

$contextid = optional_param('context', SYSCONTEXTID, PARAM_INT);

$elementid = optional_param('elementid', '', PARAM_TEXT);

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

$context = context::instance_by_id($contextid);

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

    // Module context.

    $cm = $DB->get_record('course_modules', ['id' => $context->instanceid]);

    require_login($cm->course, true, $cm);

} else if (($coursecontext = $context->get_course_context(false)) && $coursecontext->id != SITEID) {

    // Course context or block inside the course.

    require_login($coursecontext->instanceid);

    $PAGE->set_context($context);

} else {

    // Block that is not inside the course, user or system context.

    require_login();

    $PAGE->set_context($context);

}

// Guests can never manage files.

if (isguestuser()) {

    throw new \moodle_exception('noguest');

}

$title = get_string('managefiles', 'tiny_media');

$url = new moodle_url('/lib/editor/tiny/plugins/media/manage.php', [

    'itemid' => $itemid,

    'maxbytes' => $maxbytes,

    'subdirs' => $subdirs,

    'accepted_types' => $acceptedtypes,

    'return_types' => $returntypes,

    'areamaxbytes' => $areamaxbytes,

    'context' => $contextid,

    'elementid' => $elementid,

    'removeorphaneddrafts' => $removeorphaneddrafts,

]);

$PAGE->set_url($url);

$PAGE->set_title($title);

$PAGE->set_heading($title);

$PAGE->set_pagelayout('popup');

if ($returntypes !== null) {

    // Links are allowed in textarea but never allowed in filemanager.

    $returntypes = $returntypes & ~FILE_EXTERNAL;

}

// These are the options required for the filepicker.

$options = [

    'subdirs' => $subdirs,

    'maxbytes' => $maxbytes,

    'maxfiles' => -1,

    'accepted_types' => $acceptedtypes,

    'areamaxbytes' => $areamaxbytes,

    'return_types' => $returntypes,

    'context' => $context

];

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

$fs = get_file_storage();

$files = $fs->get_directory_files($usercontext->id, 'user', 'draft', $itemid, '/', !empty($subdirs), false);

$filenames = [];

foreach ($files as $file) {

    $filenames[$file->get_pathnamehash()] = ltrim($file->get_filepath(), '/') . $file->get_filename();

}

$mform = new tiny_media\form\manage_files_form(null, [

    'context' => $usercontext,

    'options' => $options,

    'draftitemid' => $itemid,

    'files' => $filenames,

    'elementid' => $elementid,

    'removeorphaneddrafts' => $removeorphaneddrafts,

    ], 'post', '', [

        'id' => 'tiny_media_form',

    ]

);

if ($data = $mform->get_data()) {

    if (!empty($data->deletefile)) {

        foreach (array_keys($data->deletefile) as $filehash) {

            if ($file = $fs->get_file_by_hash($filehash)) {

                // Make sure the user didn't modify the filehash to delete another file.

                if ($file->get_component() !== 'user' || $file->get_filearea() !== 'draft') {

                    // The file must belong to the user/draft area.

                    continue;

                }

                if ($file->get_contextid() != $usercontext->id) {

                    // The user must own the file - that is it must be in their user draft file area.

                    continue;

                }

                if ($file->get_itemid() != $itemid) {

                    // It must be the file they requested be deleted.

                    continue;

                }

                $file->delete();

            }

        }

    }

    // Redirect to prevent re-posting the form.

    redirect($url);

}

$mform->set_data(array_merge($options, [

    'files_filemanager' => $itemid,

    'itemid' => $itemid,

    'elementid' => $elementid,

    'context' => $context->id,

]));

echo $OUTPUT->header();

$mform->display();

echo $OUTPUT->footer();