1<?php 2 3// This file is part of Moodle - http://moodle.org/ 4// 5// Moodle is free software: you can redistribute it and/or modify 6// it under the terms of the GNU General Public License as published by 7// the Free Software Foundation, either version 3 of the License, or 8// (at your option) any later version. 9// 10// Moodle is distributed in the hope that it will be useful, 11// but WITHOUT ANY WARRANTY; without even the implied warranty of 12// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 13// GNU General Public License for more details. 14// 15// You should have received a copy of the GNU General Public License 16// along with Moodle. If not, see <http://www.gnu.org/licenses/>. 17 18/** 19 * This file contains all necessary code to view an old version of a page 20 * 21 * @package mod_wiki 22 * @copyright 2009 Marc Alier, Jordi Piguillem marc.alier@upc.edu 23 * @copyright 2009 Universitat Politecnica de Catalunya http://www.upc.edu 24 * 25 * @author Jordi Piguillem 26 * @author Marc Alier 27 * @author David Jimenez 28 * @author Josep Arus 29 * @author Kenneth Riba 30 * 31 * @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later 32 */ 33 34require_once('../../config.php'); 35 36require_once($CFG->dirroot . '/mod/wiki/lib.php'); 37require_once($CFG->dirroot . '/mod/wiki/locallib.php'); 38require_once($CFG->dirroot . '/mod/wiki/pagelib.php'); 39 40$pageid = required_param('pageid', PARAM_TEXT); 41$versionid = required_param('versionid', PARAM_INT); 42 43if (!$page = wiki_get_page($pageid)) { 44 print_error('incorrectpageid', 'wiki'); 45} 46 47if (!$subwiki = wiki_get_subwiki($page->subwikiid)) { 48 print_error('incorrectsubwikiid', 'wiki'); 49} 50 51if (!$wiki = wiki_get_wiki($subwiki->wikiid)) { 52 print_error('incorrectwikiid', 'wiki'); 53} 54 55if (!$cm = get_coursemodule_from_instance('wiki', $wiki->id)) { 56 print_error('invalidcoursemodule'); 57} 58 59$course = $DB->get_record('course', array('id' => $cm->course), '*', MUST_EXIST); 60 61require_course_login($course, true, $cm); 62 63if (!wiki_user_can_view($subwiki, $wiki)) { 64 print_error('cannotviewpage', 'wiki'); 65} 66 67$wikipage = new page_wiki_viewversion($wiki, $subwiki, $cm); 68 69$wikipage->set_page($page); 70$wikipage->set_versionid($versionid); 71 72$event = \mod_wiki\event\page_version_viewed::create( 73 array( 74 'context' => context_module::instance($cm->id), 75 'objectid' => $pageid, 76 'other' => array( 77 'versionid' => $versionid 78 ) 79 )); 80$event->add_record_snapshot('wiki_pages', $page); 81$event->add_record_snapshot('wiki', $wiki); 82$event->add_record_snapshot('wiki_subwikis', $subwiki); 83$event->trigger(); 84 85// Print the page header 86$wikipage->print_header(); 87$wikipage->print_content(); 88 89$wikipage->print_footer(); 90