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/>.

/**

 * Delete wiki pages or versions

 *

 * This will show options for deleting wiki pages or purging page versions

 * If user have wiki:managewiki ability then only this page will show delete

 * options

 *

 * @package mod_wiki

 * @copyright 2011 Rajesh Taneja

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

 */

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

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

require_once($CFG->dirroot . '/mod/wiki/locallib.php');

require_once($CFG->dirroot . '/mod/wiki/pagelib.php');

$pageid = required_param('pageid', PARAM_INT); // Page ID

$delete = optional_param('delete', 0, PARAM_INT); // ID of the page to be deleted.

$option = optional_param('option', 1, PARAM_INT); // Option ID

$listall = optional_param('listall', 0, PARAM_INT); // list all pages

$toversion = optional_param('toversion', 0, PARAM_INT); // max version to be deleted

$fromversion = optional_param('fromversion', 0, PARAM_INT); // min version to be deleted

if (!$page = wiki_get_page($pageid)) {

    throw new \moodle_exception('incorrectpageid', 'wiki');

}

if (!$subwiki = wiki_get_subwiki($page->subwikiid)) {

    throw new \moodle_exception('incorrectsubwikiid', 'wiki');

}

if (!$cm = get_coursemodule_from_instance("wiki", $subwiki->wikiid)) {

    throw new \moodle_exception('invalidcoursemodule');

}

$course = $DB->get_record('course', array('id' => $cm->course), '*', MUST_EXIST);

if (!$wiki = wiki_get_wiki($subwiki->wikiid)) {

    throw new \moodle_exception('incorrectwikiid', 'wiki');

}

require_login($course, true, $cm);

if (!wiki_user_can_view($subwiki, $wiki)) {

    throw new \moodle_exception('cannotviewpage', 'wiki');

}

$context = context_module::instance($cm->id);

require_capability('mod/wiki:managewiki', $context);

//Delete page if a page ID to delete was supplied

if (!empty($delete) && confirm_sesskey()) {

    if ($pageid != $delete) {

        // Validate that we are deleting from the same subwiki.

        $deletepage = wiki_get_page($delete);

        if (!$deletepage || $deletepage->subwikiid != $page->subwikiid) {

            throw new \moodle_exception('incorrectsubwikiid', 'wiki');

        }

    }

    wiki_delete_pages($context, $delete, $page->subwikiid);

    //when current wiki page is deleted, then redirect user to create that page, as

    //current pageid is invalid after deletion.

    if ($pageid == $delete) {

        $params = array('swid' => $page->subwikiid, 'title' => $page->title);

        $url = new moodle_url('/mod/wiki/create.php', $params);

        redirect($url);

    }

}

//delete version if toversion and fromversion are set.

if (!empty($toversion) && !empty($fromversion) && confirm_sesskey()) {

    //make sure all versions should not be deleted...

    $versioncount = wiki_count_wiki_page_versions($pageid);

    $versioncount -= 1; //ignore version 0

    $totalversionstodelete = $toversion - $fromversion;

    $totalversionstodelete += 1; //added 1 as toversion should be included

    if (($totalversionstodelete >= $versioncount) || ($versioncount <= 1)) {

        throw new \moodle_exception('incorrectdeleteversions', 'wiki');

    } else {

        $versions = array();

        for ($i = $fromversion; $i <= $toversion; $i++) {

            //Add all version to deletion list which exist

            if (wiki_get_wiki_page_version($pageid, $i)) {

                array_push($versions, $i);

            }

        }

        $purgeversions[$pageid] = $versions;

        wiki_delete_page_versions($purgeversions, $context);

    }

}

//show actual page

$wikipage = new page_wiki_admin($wiki, $subwiki, $cm, 'modulepage');

$wikipage->set_page($page);

$wikipage->print_header();

$wikipage->set_view($option, empty($listall)?true:false);

$wikipage->print_content();

$wikipage->print_footer();