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115 lines
4.2 KiB
115 lines
4.2 KiB
<?php
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// This file is part of Moodle - http://moodle.org/
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//
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// Moodle is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// Moodle is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with Moodle. If not, see <http://www.gnu.org/licenses/>.
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/**
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* Delete wiki pages or versions
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*
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* This will show options for deleting wiki pages or purging page versions
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* If user have wiki:managewiki ability then only this page will show delete
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* options
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*
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* @package mod_wiki
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* @copyright 2011 Rajesh Taneja
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* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
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*/
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require_once('../../config.php');
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require_once($CFG->dirroot . '/mod/wiki/lib.php');
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require_once($CFG->dirroot . '/mod/wiki/locallib.php');
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require_once($CFG->dirroot . '/mod/wiki/pagelib.php');
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$pageid = required_param('pageid', PARAM_INT); // Page ID
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$delete = optional_param('delete', 0, PARAM_INT); // ID of the page to be deleted.
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$option = optional_param('option', 1, PARAM_INT); // Option ID
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$listall = optional_param('listall', 0, PARAM_INT); // list all pages
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$toversion = optional_param('toversion', 0, PARAM_INT); // max version to be deleted
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$fromversion = optional_param('fromversion', 0, PARAM_INT); // min version to be deleted
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if (!$page = wiki_get_page($pageid)) {
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print_error('incorrectpageid', 'wiki');
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}
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if (!$subwiki = wiki_get_subwiki($page->subwikiid)) {
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print_error('incorrectsubwikiid', 'wiki');
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}
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if (!$cm = get_coursemodule_from_instance("wiki", $subwiki->wikiid)) {
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print_error('invalidcoursemodule');
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}
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$course = $DB->get_record('course', array('id' => $cm->course), '*', MUST_EXIST);
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if (!$wiki = wiki_get_wiki($subwiki->wikiid)) {
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print_error('incorrectwikiid', 'wiki');
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}
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require_login($course, true, $cm);
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if (!wiki_user_can_view($subwiki, $wiki)) {
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print_error('cannotviewpage', 'wiki');
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}
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$context = context_module::instance($cm->id);
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require_capability('mod/wiki:managewiki', $context);
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//Delete page if a page ID to delete was supplied
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if (!empty($delete) && confirm_sesskey()) {
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if ($pageid != $delete) {
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// Validate that we are deleting from the same subwiki.
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$deletepage = wiki_get_page($delete);
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if (!$deletepage || $deletepage->subwikiid != $page->subwikiid) {
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print_error('incorrectsubwikiid', 'wiki');
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}
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}
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wiki_delete_pages($context, $delete, $page->subwikiid);
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//when current wiki page is deleted, then redirect user to create that page, as
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//current pageid is invalid after deletion.
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if ($pageid == $delete) {
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$params = array('swid' => $page->subwikiid, 'title' => $page->title);
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$url = new moodle_url('/mod/wiki/create.php', $params);
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redirect($url);
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}
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}
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//delete version if toversion and fromversion are set.
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if (!empty($toversion) && !empty($fromversion) && confirm_sesskey()) {
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//make sure all versions should not be deleted...
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$versioncount = wiki_count_wiki_page_versions($pageid);
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$versioncount -= 1; //ignore version 0
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$totalversionstodelete = $toversion - $fromversion;
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$totalversionstodelete += 1; //added 1 as toversion should be included
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if (($totalversionstodelete >= $versioncount) || ($versioncount <= 1)) {
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print_error('incorrectdeleteversions', 'wiki');
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} else {
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$versions = array();
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for ($i = $fromversion; $i <= $toversion; $i++) {
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//Add all version to deletion list which exist
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if (wiki_get_wiki_page_version($pageid, $i)) {
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array_push($versions, $i);
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}
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}
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$purgeversions[$pageid] = $versions;
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wiki_delete_page_versions($purgeversions, $context);
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}
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}
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//show actual page
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$wikipage = new page_wiki_admin($wiki, $subwiki, $cm);
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$wikipage->set_page($page);
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$wikipage->print_header();
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$wikipage->set_view($option, empty($listall)?true:false);
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$wikipage->print_content();
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$wikipage->print_footer();
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