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<?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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* This contains functions and classes that will be used by scripts in wiki module
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*
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* @package mod_wiki
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* @copyright 2009 Marc Alier, Jordi Piguillem marc.alier@upc.edu
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* @copyright 2009 Universitat Politecnica de Catalunya http://www.upc.edu
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*
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* @author Jordi Piguillem
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* @author Marc Alier
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* @author David Jimenez
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* @author Josep Arus
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* @author Daniel Serrano
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* @author Kenneth Riba
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*
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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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defined('MOODLE_INTERNAL') || die();
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require_once($CFG->dirroot . '/mod/wiki/lib.php');
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require_once($CFG->dirroot . '/mod/wiki/parser/parser.php');
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require_once($CFG->libdir . '/filelib.php');
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define('WIKI_REFRESH_CACHE_TIME', 30); // @TODO: To be deleted.
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define('FORMAT_CREOLE', '37');
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define('FORMAT_NWIKI', '38');
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define('NO_VALID_RATE', '-999');
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define('IMPROVEMENT', '+');
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define('EQUAL', '=');
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define('WORST', '-');
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define('LOCK_TIMEOUT', 30);
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/**
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* Get a wiki instance
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* @param int $wikiid the instance id of wiki
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*/
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function wiki_get_wiki($wikiid) {
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global $DB;
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return $DB->get_record('wiki', array('id' => $wikiid));
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}
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/**
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* Get sub wiki instances with same wiki id
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* @param int $wikiid
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*/
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function wiki_get_subwikis($wikiid) {
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global $DB;
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return $DB->get_records('wiki_subwikis', array('wikiid' => $wikiid));
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}
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/**
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* Get a sub wiki instance by wiki id and group id
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* @param int $wikiid
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* @param int $groupid
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* @return object
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*/
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function wiki_get_subwiki_by_group($wikiid, $groupid, $userid = 0) {
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global $DB;
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return $DB->get_record('wiki_subwikis', array('wikiid' => $wikiid, 'groupid' => $groupid, 'userid' => $userid));
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}
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/**
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* Get a sub wiki instace by instance id
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* @param int $subwikiid
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* @return object
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*/
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function wiki_get_subwiki($subwikiid) {
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global $DB;
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return $DB->get_record('wiki_subwikis', array('id' => $subwikiid));
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}
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/**
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* Add a new sub wiki instance
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* @param int $wikiid
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* @param int $groupid
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* @return int $insertid
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*/
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function wiki_add_subwiki($wikiid, $groupid, $userid = 0) {
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global $DB;
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$record = new StdClass();
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$record->wikiid = $wikiid;
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$record->groupid = $groupid;
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$record->userid = $userid;
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$insertid = $DB->insert_record('wiki_subwikis', $record);
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return $insertid;
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}
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/**
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* Get a wiki instance by pageid
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* @param int $pageid
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* @return object
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*/
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function wiki_get_wiki_from_pageid($pageid) {
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global $DB;
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$sql = "SELECT w.*
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FROM {wiki} w, {wiki_subwikis} s, {wiki_pages} p
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WHERE p.id = ? AND
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p.subwikiid = s.id AND
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s.wikiid = w.id";
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return $DB->get_record_sql($sql, array($pageid));
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}
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/**
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* Get a wiki page by pageid
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* @param int $pageid
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* @return object
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*/
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function wiki_get_page($pageid) {
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global $DB;
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return $DB->get_record('wiki_pages', array('id' => $pageid));
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}
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/**
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* Get latest version of wiki page
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* @param int $pageid
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* @return object
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*/
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function wiki_get_current_version($pageid) {
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global $DB;
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// @TODO: Fix this query
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$sql = "SELECT *
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FROM {wiki_versions}
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WHERE pageid = ?
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ORDER BY version DESC";
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$records = $DB->get_records_sql($sql, array($pageid), 0, 1);
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return array_pop($records);
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}
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/**
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* Alias of wiki_get_current_version
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* @TODO, does the exactly same thing as wiki_get_current_version, should be removed
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* @param int $pageid
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* @return object
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*/
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function wiki_get_last_version($pageid) {
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return wiki_get_current_version($pageid);
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}
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/**
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* Get page section
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* @param int $pageid
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* @param string $section
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*/
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function wiki_get_section_page($page, $section) {
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$version = wiki_get_current_version($page->id);
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return wiki_parser_proxy::get_section($version->content, $version->contentformat, $section);
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}
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/**
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* Get a wiki page by page title
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* @param int $swid, sub wiki id
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* @param string $title
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* @return object
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*/
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function wiki_get_page_by_title($swid, $title) {
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global $DB;
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return $DB->get_record('wiki_pages', array('subwikiid' => $swid, 'title' => $title));
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}
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/**
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* Get a version record by record id
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* @param int $versionid, the version id
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* @return object
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*/
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function wiki_get_version($versionid) {
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global $DB;
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return $DB->get_record('wiki_versions', array('id' => $versionid));
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}
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/**
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* Get first page of wiki instace
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* @param int $subwikiid
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* @param int $module, wiki instance object
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*/
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function wiki_get_first_page($subwikid, $module = null) {
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global $DB, $USER;
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$sql = "SELECT p.*
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FROM {wiki} w, {wiki_subwikis} s, {wiki_pages} p
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WHERE s.id = ? AND
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s.wikiid = w.id AND
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w.firstpagetitle = p.title AND
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p.subwikiid = s.id";
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return $DB->get_record_sql($sql, array($subwikid));
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}
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function wiki_save_section($wikipage, $sectiontitle, $sectioncontent, $userid) {
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$wiki = wiki_get_wiki_from_pageid($wikipage->id);
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$cm = get_coursemodule_from_instance('wiki', $wiki->id);
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$context = context_module::instance($cm->id);
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if (has_capability('mod/wiki:editpage', $context)) {
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$version = wiki_get_current_version($wikipage->id);
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$content = wiki_parser_proxy::get_section($version->content, $version->contentformat, $sectiontitle, true);
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$newcontent = $content[0] . $sectioncontent . $content[2];
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return wiki_save_page($wikipage, $newcontent, $userid);
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} else {
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return false;
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}
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}
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/**
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* Save page content
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* @param object $wikipage
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* @param string $newcontent
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* @param int $userid
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*/
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function wiki_save_page($wikipage, $newcontent, $userid) {
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global $DB;
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$wiki = wiki_get_wiki_from_pageid($wikipage->id);
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$cm = get_coursemodule_from_instance('wiki', $wiki->id);
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$context = context_module::instance($cm->id);
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if (has_capability('mod/wiki:editpage', $context)) {
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$version = wiki_get_current_version($wikipage->id);
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$version->content = $newcontent;
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$version->userid = $userid;
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$version->version++;
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$version->timecreated = time();
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$version->id = $DB->insert_record('wiki_versions', $version);
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$wikipage->timemodified = $version->timecreated;
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$wikipage->userid = $userid;
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$return = wiki_refresh_cachedcontent($wikipage, $newcontent);
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$event = \mod_wiki\event\page_updated::create(
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array(
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'context' => $context,
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'objectid' => $wikipage->id,
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'relateduserid' => $userid,
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'other' => array(
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'newcontent' => $newcontent
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)
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));
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$event->add_record_snapshot('wiki', $wiki);
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$event->add_record_snapshot('wiki_pages', $wikipage);
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$event->add_record_snapshot('wiki_versions', $version);
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$event->trigger();
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return $return;
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} else {
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return false;
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}
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}
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function wiki_refresh_cachedcontent($page, $newcontent = null) {
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global $DB;
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$version = wiki_get_current_version($page->id);
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if (empty($version)) {
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return null;
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}
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if (!isset($newcontent)) {
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$newcontent = $version->content;
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}
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$options = array('swid' => $page->subwikiid, 'pageid' => $page->id);
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$parseroutput = wiki_parse_content($version->contentformat, $newcontent, $options);
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$page->cachedcontent = $parseroutput['toc'] . $parseroutput['parsed_text'];
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$page->timerendered = time();
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$DB->update_record('wiki_pages', $page);
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wiki_refresh_page_links($page, $parseroutput['link_count']);
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return array('page' => $page, 'sections' => $parseroutput['repeated_sections'], 'version' => $version->version);
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}
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/**
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* Restore a page with specified version.
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*
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* @param stdClass $wikipage wiki page record
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* @param stdClass $version wiki page version to restore
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* @param context_module $context context of wiki module
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* @return stdClass restored page
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*/
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function wiki_restore_page($wikipage, $version, $context) {
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$return = wiki_save_page($wikipage, $version->content, $version->userid);
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$event = \mod_wiki\event\page_version_restored::create(
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array(
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'context' => $context,
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'objectid' => $version->id,
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'other' => array(
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'pageid' => $wikipage->id
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)
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));
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$event->add_record_snapshot('wiki_versions', $version);
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$event->trigger();
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return $return['page'];
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}
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function wiki_refresh_page_links($page, $links) {
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global $DB;
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$DB->delete_records('wiki_links', array('frompageid' => $page->id));
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foreach ($links as $linkname => $linkinfo) {
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$newlink = new stdClass();
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$newlink->subwikiid = $page->subwikiid;
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$newlink->frompageid = $page->id;
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if ($linkinfo['new']) {
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$newlink->tomissingpage = $linkname;
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} else {
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$newlink->topageid = $linkinfo['pageid'];
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}
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try {
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$DB->insert_record('wiki_links', $newlink);
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} catch (dml_exception $e) {
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debugging($e->getMessage());
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}
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}
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}
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/**
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* Create a new wiki page, if the page exists, return existing pageid
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* @param int $swid
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* @param string $title
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* @param string $format
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* @param int $userid
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*/
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function wiki_create_page($swid, $title, $format, $userid) {
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global $DB;
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$subwiki = wiki_get_subwiki($swid);
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$cm = get_coursemodule_from_instance('wiki', $subwiki->wikiid);
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$context = context_module::instance($cm->id);
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require_capability('mod/wiki:editpage', $context);
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// if page exists
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if ($page = wiki_get_page_by_title($swid, $title)) {
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return $page->id;
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}
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|
364 |
// Creating a new empty version
|
|
|
365 |
$version = new stdClass();
|
|
|
366 |
$version->content = '';
|
|
|
367 |
$version->contentformat = $format;
|
|
|
368 |
$version->version = 0;
|
|
|
369 |
$version->timecreated = time();
|
|
|
370 |
$version->userid = $userid;
|
|
|
371 |
|
|
|
372 |
$versionid = null;
|
|
|
373 |
$versionid = $DB->insert_record('wiki_versions', $version);
|
|
|
374 |
|
|
|
375 |
// Createing a new empty page
|
|
|
376 |
$page = new stdClass();
|
|
|
377 |
$page->subwikiid = $swid;
|
|
|
378 |
$page->title = $title;
|
|
|
379 |
$page->cachedcontent = '';
|
|
|
380 |
$page->timecreated = $version->timecreated;
|
|
|
381 |
$page->timemodified = $version->timecreated;
|
|
|
382 |
$page->timerendered = $version->timecreated;
|
|
|
383 |
$page->userid = $userid;
|
|
|
384 |
$page->pageviews = 0;
|
|
|
385 |
$page->readonly = 0;
|
|
|
386 |
|
|
|
387 |
$pageid = $DB->insert_record('wiki_pages', $page);
|
|
|
388 |
|
|
|
389 |
// Setting the pageid
|
|
|
390 |
$version->id = $versionid;
|
|
|
391 |
$version->pageid = $pageid;
|
|
|
392 |
$DB->update_record('wiki_versions', $version);
|
|
|
393 |
|
|
|
394 |
$event = \mod_wiki\event\page_created::create(
|
|
|
395 |
array(
|
|
|
396 |
'context' => $context,
|
|
|
397 |
'objectid' => $pageid
|
|
|
398 |
)
|
|
|
399 |
);
|
|
|
400 |
$event->trigger();
|
|
|
401 |
|
|
|
402 |
wiki_make_cache_expire($page->title);
|
|
|
403 |
return $pageid;
|
|
|
404 |
}
|
|
|
405 |
|
|
|
406 |
function wiki_make_cache_expire($pagename) {
|
|
|
407 |
global $DB;
|
|
|
408 |
|
|
|
409 |
$sql = "UPDATE {wiki_pages}
|
|
|
410 |
SET timerendered = 0
|
|
|
411 |
WHERE id IN ( SELECT l.frompageid
|
|
|
412 |
FROM {wiki_links} l
|
|
|
413 |
WHERE l.tomissingpage = ?
|
|
|
414 |
)";
|
|
|
415 |
$DB->execute ($sql, array($pagename));
|
|
|
416 |
}
|
|
|
417 |
|
|
|
418 |
/**
|
|
|
419 |
* Get a specific version of page
|
|
|
420 |
* @param int $pageid
|
|
|
421 |
* @param int $version
|
|
|
422 |
*/
|
|
|
423 |
function wiki_get_wiki_page_version($pageid, $version) {
|
|
|
424 |
global $DB;
|
|
|
425 |
return $DB->get_record('wiki_versions', array('pageid' => $pageid, 'version' => $version));
|
|
|
426 |
}
|
|
|
427 |
|
|
|
428 |
/**
|
|
|
429 |
* Get version list
|
|
|
430 |
* @param int $pageid
|
|
|
431 |
* @param int $limitfrom
|
|
|
432 |
* @param int $limitnum
|
|
|
433 |
*/
|
|
|
434 |
function wiki_get_wiki_page_versions($pageid, $limitfrom, $limitnum) {
|
|
|
435 |
global $DB;
|
|
|
436 |
return $DB->get_records('wiki_versions', array('pageid' => $pageid), 'version DESC', '*', $limitfrom, $limitnum);
|
|
|
437 |
}
|
|
|
438 |
|
|
|
439 |
/**
|
|
|
440 |
* Count the number of page version
|
|
|
441 |
* @param int $pageid
|
|
|
442 |
*/
|
|
|
443 |
function wiki_count_wiki_page_versions($pageid) {
|
|
|
444 |
global $DB;
|
|
|
445 |
return $DB->count_records('wiki_versions', array('pageid' => $pageid));
|
|
|
446 |
}
|
|
|
447 |
|
|
|
448 |
/**
|
|
|
449 |
* Get linked from page
|
|
|
450 |
* @param int $pageid
|
|
|
451 |
*/
|
|
|
452 |
function wiki_get_linked_to_pages($pageid) {
|
|
|
453 |
global $DB;
|
|
|
454 |
return $DB->get_records('wiki_links', array('frompageid' => $pageid));
|
|
|
455 |
}
|
|
|
456 |
|
|
|
457 |
/**
|
|
|
458 |
* Get linked from page
|
|
|
459 |
* @param int $pageid
|
|
|
460 |
*/
|
|
|
461 |
function wiki_get_linked_from_pages($pageid) {
|
|
|
462 |
global $DB;
|
|
|
463 |
return $DB->get_records('wiki_links', array('topageid' => $pageid));
|
|
|
464 |
}
|
|
|
465 |
|
|
|
466 |
/**
|
|
|
467 |
* Get pages which user have been edited
|
|
|
468 |
* @param int $swid
|
|
|
469 |
* @param int $userid
|
|
|
470 |
*/
|
|
|
471 |
function wiki_get_contributions($swid, $userid) {
|
|
|
472 |
global $DB;
|
|
|
473 |
|
|
|
474 |
$sql = "SELECT v.*
|
|
|
475 |
FROM {wiki_versions} v, {wiki_pages} p
|
|
|
476 |
WHERE p.subwikiid = ? AND
|
|
|
477 |
v.pageid = p.id AND
|
|
|
478 |
v.userid = ?";
|
|
|
479 |
|
|
|
480 |
return $DB->get_records_sql($sql, array($swid, $userid));
|
|
|
481 |
}
|
|
|
482 |
|
|
|
483 |
/**
|
|
|
484 |
* Get missing or empty pages in wiki
|
|
|
485 |
* @param int $swid sub wiki id
|
|
|
486 |
*/
|
|
|
487 |
function wiki_get_missing_or_empty_pages($swid) {
|
|
|
488 |
global $DB;
|
|
|
489 |
|
|
|
490 |
$sql = "SELECT DISTINCT p.title, p.id, p.subwikiid
|
|
|
491 |
FROM {wiki} w, {wiki_subwikis} s, {wiki_pages} p
|
|
|
492 |
WHERE s.wikiid = w.id and
|
|
|
493 |
s.id = ? and
|
|
|
494 |
w.firstpagetitle != p.title and
|
|
|
495 |
p.subwikiid = ? and
|
|
|
496 |
1 = (SELECT count(*)
|
|
|
497 |
FROM {wiki_versions} v
|
|
|
498 |
WHERE v.pageid = p.id)
|
|
|
499 |
UNION
|
|
|
500 |
SELECT DISTINCT l.tomissingpage as title, 0 as id, l.subwikiid
|
|
|
501 |
FROM {wiki_links} l
|
|
|
502 |
WHERE l.subwikiid = ? and
|
|
|
503 |
l.topageid = 0";
|
|
|
504 |
|
|
|
505 |
return $DB->get_records_sql($sql, array($swid, $swid, $swid));
|
|
|
506 |
}
|
|
|
507 |
|
|
|
508 |
/**
|
|
|
509 |
* Get pages list in wiki
|
|
|
510 |
* @param int $swid sub wiki id
|
|
|
511 |
* @param string $sort How to sort the pages. By default, title ASC.
|
|
|
512 |
* @return stdClass[]
|
|
|
513 |
*/
|
|
|
514 |
function wiki_get_page_list($swid, $sort = 'title ASC') {
|
|
|
515 |
global $DB;
|
|
|
516 |
$records = $DB->get_records('wiki_pages', array('subwikiid' => $swid), $sort);
|
|
|
517 |
return $records;
|
|
|
518 |
}
|
|
|
519 |
|
|
|
520 |
/**
|
|
|
521 |
* Return a list of orphaned wikis for one specific subwiki
|
|
|
522 |
* @global object
|
|
|
523 |
* @param int $swid sub wiki id
|
|
|
524 |
*/
|
|
|
525 |
function wiki_get_orphaned_pages($swid) {
|
|
|
526 |
global $DB;
|
|
|
527 |
|
|
|
528 |
$sql = "SELECT p.id, p.title
|
|
|
529 |
FROM {wiki_pages} p, {wiki} w , {wiki_subwikis} s
|
|
|
530 |
WHERE p.subwikiid = ?
|
|
|
531 |
AND s.id = ?
|
|
|
532 |
AND w.id = s.wikiid
|
|
|
533 |
AND p.title != w.firstpagetitle
|
|
|
534 |
AND p.id NOT IN (SELECT topageid FROM {wiki_links} WHERE subwikiid = ?)";
|
|
|
535 |
|
|
|
536 |
return $DB->get_records_sql($sql, array($swid, $swid, $swid));
|
|
|
537 |
}
|
|
|
538 |
|
|
|
539 |
/**
|
|
|
540 |
* Search wiki title
|
|
|
541 |
* @param int $swid sub wiki id
|
|
|
542 |
* @param string $search
|
|
|
543 |
*/
|
|
|
544 |
function wiki_search_title($swid, $search) {
|
|
|
545 |
global $DB;
|
|
|
546 |
|
|
|
547 |
return $DB->get_records_select('wiki_pages', "subwikiid = ? AND title LIKE ?", array($swid, '%'.$search.'%'));
|
|
|
548 |
}
|
|
|
549 |
|
|
|
550 |
/**
|
|
|
551 |
* Search wiki content
|
|
|
552 |
* @param int $swid sub wiki id
|
|
|
553 |
* @param string $search
|
|
|
554 |
*/
|
|
|
555 |
function wiki_search_content($swid, $search) {
|
|
|
556 |
global $DB;
|
|
|
557 |
|
|
|
558 |
return $DB->get_records_select('wiki_pages', "subwikiid = ? AND cachedcontent LIKE ?", array($swid, '%'.$search.'%'));
|
|
|
559 |
}
|
|
|
560 |
|
|
|
561 |
/**
|
|
|
562 |
* Search wiki title and content
|
|
|
563 |
* @param int $swid sub wiki id
|
|
|
564 |
* @param string $search
|
|
|
565 |
*/
|
|
|
566 |
function wiki_search_all($swid, $search) {
|
|
|
567 |
global $DB;
|
|
|
568 |
|
|
|
569 |
return $DB->get_records_select('wiki_pages', "subwikiid = ? AND (cachedcontent LIKE ? OR title LIKE ?)", array($swid, '%'.$search.'%', '%'.$search.'%'));
|
|
|
570 |
}
|
|
|
571 |
|
|
|
572 |
/**
|
|
|
573 |
* Get user data
|
|
|
574 |
*/
|
|
|
575 |
function wiki_get_user_info($userid) {
|
|
|
576 |
global $DB;
|
|
|
577 |
return $DB->get_record('user', array('id' => $userid));
|
|
|
578 |
}
|
|
|
579 |
|
|
|
580 |
/**
|
|
|
581 |
* Increase page view nubmer
|
|
|
582 |
* @param int $page, database record
|
|
|
583 |
*/
|
|
|
584 |
function wiki_increment_pageviews($page) {
|
|
|
585 |
global $DB;
|
|
|
586 |
|
|
|
587 |
$page->pageviews++;
|
|
|
588 |
$DB->update_record('wiki_pages', $page);
|
|
|
589 |
}
|
|
|
590 |
|
|
|
591 |
//----------------------------------------------------------
|
|
|
592 |
//----------------------------------------------------------
|
|
|
593 |
|
|
|
594 |
/**
|
|
|
595 |
* Text format supported by wiki module
|
|
|
596 |
*/
|
|
|
597 |
function wiki_get_formats() {
|
|
|
598 |
return array('html', 'creole', 'nwiki');
|
|
|
599 |
}
|
|
|
600 |
|
|
|
601 |
/**
|
|
|
602 |
* Parses a string with the wiki markup language in $markup.
|
|
|
603 |
*
|
|
|
604 |
* @return Array or false when something wrong has happened.
|
|
|
605 |
*
|
|
|
606 |
* Returned array contains the following fields:
|
|
|
607 |
* 'parsed_text' => String. Contains the parsed wiki content.
|
|
|
608 |
* 'unparsed_text' => String. Constains the original wiki content.
|
|
|
609 |
* 'link_count' => Array of array('destination' => ..., 'new' => "is new?"). Contains the internal wiki links found in the wiki content.
|
|
|
610 |
* 'deleted_sections' => the list of deleted sections.
|
|
|
611 |
* '' =>
|
|
|
612 |
*
|
|
|
613 |
* @author Josep Arús Pous
|
|
|
614 |
**/
|
|
|
615 |
function wiki_parse_content($markup, $pagecontent, $options = array()) {
|
|
|
616 |
global $PAGE;
|
|
|
617 |
|
|
|
618 |
$subwiki = wiki_get_subwiki($options['swid']);
|
|
|
619 |
$cm = get_coursemodule_from_instance("wiki", $subwiki->wikiid);
|
|
|
620 |
$context = context_module::instance($cm->id);
|
|
|
621 |
|
|
|
622 |
$parser_options = array(
|
|
|
623 |
'link_callback' => '/mod/wiki/locallib.php:wiki_parser_link',
|
|
|
624 |
'link_callback_args' => array('swid' => $options['swid']),
|
|
|
625 |
'table_callback' => '/mod/wiki/locallib.php:wiki_parser_table',
|
|
|
626 |
'real_path_callback' => '/mod/wiki/locallib.php:wiki_parser_real_path',
|
|
|
627 |
'real_path_callback_args' => array(
|
|
|
628 |
'context' => $context,
|
|
|
629 |
'component' => 'mod_wiki',
|
|
|
630 |
'filearea' => 'attachments',
|
|
|
631 |
'subwikiid'=> $subwiki->id,
|
|
|
632 |
'pageid' => $options['pageid']
|
|
|
633 |
),
|
|
|
634 |
'pageid' => $options['pageid'],
|
|
|
635 |
'pretty_print' => (isset($options['pretty_print']) && $options['pretty_print']),
|
|
|
636 |
'printable' => (isset($options['printable']) && $options['printable'])
|
|
|
637 |
);
|
|
|
638 |
|
|
|
639 |
return wiki_parser_proxy::parse($pagecontent, $markup, $parser_options);
|
|
|
640 |
}
|
|
|
641 |
|
|
|
642 |
/**
|
|
|
643 |
* This function is the parser callback to parse wiki links.
|
|
|
644 |
*
|
|
|
645 |
* It returns the necesary information to print a link.
|
|
|
646 |
*
|
|
|
647 |
* NOTE: Empty pages and non-existent pages must be print in red color.
|
|
|
648 |
*
|
|
|
649 |
* !!!!!! IMPORTANT !!!!!!
|
|
|
650 |
* It is critical that you call format_string on the content before it is used.
|
|
|
651 |
*
|
|
|
652 |
* @param string|stdClass $link name of a page or page object.
|
|
|
653 |
* @param array $options
|
|
|
654 |
* @return array Array('content' => string, 'url' => string, 'new' => bool, 'link_info' => array)
|
|
|
655 |
*
|
|
|
656 |
* @TODO Doc return and options
|
|
|
657 |
*/
|
|
|
658 |
function wiki_parser_link($link, $options = null) {
|
|
|
659 |
global $CFG;
|
|
|
660 |
|
|
|
661 |
if (is_object($link)) {
|
|
|
662 |
$parsedlink = array('content' => $link->title, 'url' => $CFG->wwwroot . '/mod/wiki/view.php?pageid=' . $link->id, 'new' => false, 'link_info' => array('link' => $link->title, 'pageid' => $link->id, 'new' => false));
|
|
|
663 |
|
|
|
664 |
$version = wiki_get_current_version($link->id);
|
|
|
665 |
if ($version->version == 0) {
|
|
|
666 |
$parsedlink['new'] = true;
|
|
|
667 |
}
|
|
|
668 |
return $parsedlink;
|
|
|
669 |
} else {
|
|
|
670 |
$swid = $options['swid'];
|
|
|
671 |
|
|
|
672 |
if ($page = wiki_get_page_by_title($swid, $link)) {
|
|
|
673 |
$parsedlink = array('content' => $link, 'url' => $CFG->wwwroot . '/mod/wiki/view.php?pageid=' . $page->id, 'new' => false, 'link_info' => array('link' => $link, 'pageid' => $page->id, 'new' => false));
|
|
|
674 |
|
|
|
675 |
$version = wiki_get_current_version($page->id);
|
|
|
676 |
if ($version->version == 0) {
|
|
|
677 |
$parsedlink['new'] = true;
|
|
|
678 |
}
|
|
|
679 |
|
|
|
680 |
return $parsedlink;
|
|
|
681 |
|
|
|
682 |
} else {
|
|
|
683 |
return array('content' => $link, 'url' => $CFG->wwwroot . '/mod/wiki/create.php?swid=' . $swid . '&title=' . urlencode($link) . '&action=new', 'new' => true, 'link_info' => array('link' => $link, 'new' => true, 'pageid' => 0));
|
|
|
684 |
}
|
|
|
685 |
}
|
|
|
686 |
}
|
|
|
687 |
|
|
|
688 |
/**
|
|
|
689 |
* Returns the table fully parsed (HTML)
|
|
|
690 |
*
|
|
|
691 |
* @return HTML for the table $table
|
|
|
692 |
* @author Josep Arús Pous
|
|
|
693 |
*
|
|
|
694 |
**/
|
|
|
695 |
function wiki_parser_table($table) {
|
|
|
696 |
global $OUTPUT;
|
|
|
697 |
|
|
|
698 |
$htmltable = new html_table();
|
|
|
699 |
|
|
|
700 |
$headers = $table[0];
|
|
|
701 |
$htmltable->head = array();
|
|
|
702 |
foreach ($headers as $h) {
|
|
|
703 |
$htmltable->head[] = $h[1];
|
|
|
704 |
}
|
|
|
705 |
|
|
|
706 |
array_shift($table);
|
|
|
707 |
$htmltable->data = array();
|
|
|
708 |
foreach ($table as $row) {
|
|
|
709 |
$row_data = array();
|
|
|
710 |
foreach ($row as $r) {
|
|
|
711 |
$row_data[] = $r[1];
|
|
|
712 |
}
|
|
|
713 |
$htmltable->data[] = $row_data;
|
|
|
714 |
}
|
|
|
715 |
|
|
|
716 |
return html_writer::table($htmltable);
|
|
|
717 |
}
|
|
|
718 |
|
|
|
719 |
/**
|
|
|
720 |
* Returns an absolute path link, unless there is no such link.
|
|
|
721 |
*
|
|
|
722 |
* @param string $url Link's URL or filename
|
|
|
723 |
* @param stdClass $context filearea params
|
|
|
724 |
* @param string $component The component the file is associated with
|
|
|
725 |
* @param string $filearea The filearea the file is stored in
|
|
|
726 |
* @param int $swid Sub wiki id
|
|
|
727 |
*
|
|
|
728 |
* @return string URL for files full path
|
|
|
729 |
*/
|
|
|
730 |
|
|
|
731 |
function wiki_parser_real_path($url, $context, $component, $filearea, $swid) {
|
|
|
732 |
global $CFG;
|
|
|
733 |
|
|
|
734 |
if (preg_match("/^(?:http|ftp)s?\:\/\//", $url)) {
|
|
|
735 |
return $url;
|
|
|
736 |
} else {
|
|
|
737 |
|
|
|
738 |
$file = 'pluginfile.php';
|
|
|
739 |
if (!$CFG->slasharguments) {
|
|
|
740 |
$file = $file . '?file=';
|
|
|
741 |
}
|
|
|
742 |
$baseurl = "$CFG->wwwroot/$file/{$context->id}/$component/$filearea/$swid/";
|
|
|
743 |
// it is a file in current file area
|
|
|
744 |
return $baseurl . $url;
|
|
|
745 |
}
|
|
|
746 |
}
|
|
|
747 |
|
|
|
748 |
/**
|
|
|
749 |
* Returns the token used by a wiki language to represent a given tag or "object" (bold -> **)
|
|
|
750 |
*
|
|
|
751 |
* @return A string when it has only one token at the beginning (f. ex. lists). An array composed by 2 strings when it has 2 tokens, one at the beginning and one at the end (f. ex. italics). Returns false otherwise.
|
|
|
752 |
* @author Josep Arús Pous
|
|
|
753 |
**/
|
|
|
754 |
function wiki_parser_get_token($markup, $name) {
|
|
|
755 |
|
|
|
756 |
return wiki_parser_proxy::get_token($name, $markup);
|
|
|
757 |
}
|
|
|
758 |
|
|
|
759 |
/**
|
|
|
760 |
* Checks if current user can view a subwiki
|
|
|
761 |
*
|
|
|
762 |
* @param stdClass $subwiki usually record from {wiki_subwikis}. Must contain fields 'wikiid', 'groupid', 'userid'.
|
|
|
763 |
* If it also contains fields 'course' and 'groupmode' from table {wiki} it will save extra DB query.
|
|
|
764 |
* @param stdClass $wiki optional wiki object if known
|
|
|
765 |
* @return bool
|
|
|
766 |
*/
|
|
|
767 |
function wiki_user_can_view($subwiki, $wiki = null) {
|
|
|
768 |
global $USER;
|
|
|
769 |
|
|
|
770 |
if (empty($wiki) || $wiki->id != $subwiki->wikiid) {
|
|
|
771 |
$wiki = wiki_get_wiki($subwiki->wikiid);
|
|
|
772 |
}
|
|
|
773 |
$modinfo = get_fast_modinfo($wiki->course);
|
|
|
774 |
if (!isset($modinfo->instances['wiki'][$subwiki->wikiid])) {
|
|
|
775 |
// Module does not exist.
|
|
|
776 |
return false;
|
|
|
777 |
}
|
|
|
778 |
$cm = $modinfo->instances['wiki'][$subwiki->wikiid];
|
|
|
779 |
if (!$cm->uservisible) {
|
|
|
780 |
// The whole module is not visible to the current user.
|
|
|
781 |
return false;
|
|
|
782 |
}
|
|
|
783 |
$context = context_module::instance($cm->id);
|
|
|
784 |
|
|
|
785 |
// Working depending on activity groupmode
|
|
|
786 |
switch (groups_get_activity_groupmode($cm)) {
|
|
|
787 |
case NOGROUPS:
|
|
|
788 |
|
|
|
789 |
if ($wiki->wikimode == 'collaborative') {
|
|
|
790 |
// Collaborative Mode:
|
|
|
791 |
// There is one wiki for all the class.
|
|
|
792 |
//
|
|
|
793 |
// Only view capbility needed
|
|
|
794 |
return has_capability('mod/wiki:viewpage', $context);
|
|
|
795 |
} else if ($wiki->wikimode == 'individual') {
|
|
|
796 |
// Individual Mode:
|
|
|
797 |
// Each person owns a wiki.
|
|
|
798 |
if ($subwiki->userid == $USER->id) {
|
|
|
799 |
// Only the owner of the wiki can view it
|
|
|
800 |
return has_capability('mod/wiki:viewpage', $context);
|
|
|
801 |
} else { // User has special capabilities
|
|
|
802 |
// User must have:
|
|
|
803 |
// mod/wiki:viewpage capability
|
|
|
804 |
// and
|
|
|
805 |
// mod/wiki:managewiki capability
|
|
|
806 |
$view = has_capability('mod/wiki:viewpage', $context);
|
|
|
807 |
$manage = has_capability('mod/wiki:managewiki', $context);
|
|
|
808 |
|
|
|
809 |
return $view && $manage;
|
|
|
810 |
}
|
|
|
811 |
} else {
|
|
|
812 |
//Error
|
|
|
813 |
return false;
|
|
|
814 |
}
|
|
|
815 |
case SEPARATEGROUPS:
|
|
|
816 |
// Collaborative and Individual Mode
|
|
|
817 |
//
|
|
|
818 |
// Collaborative Mode:
|
|
|
819 |
// There is one wiki per group.
|
|
|
820 |
// Individual Mode:
|
|
|
821 |
// Each person owns a wiki.
|
|
|
822 |
if ($wiki->wikimode == 'collaborative' || $wiki->wikimode == 'individual') {
|
|
|
823 |
// Only members of subwiki group could view that wiki
|
|
|
824 |
if (in_array($subwiki->groupid, $modinfo->get_groups($cm->groupingid))) {
|
|
|
825 |
// Only view capability needed
|
|
|
826 |
return has_capability('mod/wiki:viewpage', $context);
|
|
|
827 |
|
|
|
828 |
} else { // User is not part of that group
|
|
|
829 |
// User must have:
|
|
|
830 |
// mod/wiki:managewiki capability
|
|
|
831 |
// or
|
|
|
832 |
// moodle/site:accessallgroups capability
|
|
|
833 |
// and
|
|
|
834 |
// mod/wiki:viewpage capability
|
|
|
835 |
$view = has_capability('mod/wiki:viewpage', $context);
|
|
|
836 |
$manage = has_capability('mod/wiki:managewiki', $context);
|
|
|
837 |
$access = has_capability('moodle/site:accessallgroups', $context);
|
|
|
838 |
return ($manage || $access) && $view;
|
|
|
839 |
}
|
|
|
840 |
} else {
|
|
|
841 |
//Error
|
|
|
842 |
return false;
|
|
|
843 |
}
|
|
|
844 |
case VISIBLEGROUPS:
|
|
|
845 |
// Collaborative and Individual Mode
|
|
|
846 |
//
|
|
|
847 |
// Collaborative Mode:
|
|
|
848 |
// There is one wiki per group.
|
|
|
849 |
// Individual Mode:
|
|
|
850 |
// Each person owns a wiki.
|
|
|
851 |
if ($wiki->wikimode == 'collaborative' || $wiki->wikimode == 'individual') {
|
|
|
852 |
// Everybody can read all wikis
|
|
|
853 |
//
|
|
|
854 |
// Only view capability needed
|
|
|
855 |
return has_capability('mod/wiki:viewpage', $context);
|
|
|
856 |
} else {
|
|
|
857 |
//Error
|
|
|
858 |
return false;
|
|
|
859 |
}
|
|
|
860 |
default: // Error
|
|
|
861 |
return false;
|
|
|
862 |
}
|
|
|
863 |
}
|
|
|
864 |
|
|
|
865 |
/**
|
|
|
866 |
* Checks if current user can edit a subwiki
|
|
|
867 |
*
|
|
|
868 |
* @param $subwiki
|
|
|
869 |
*/
|
|
|
870 |
function wiki_user_can_edit($subwiki) {
|
|
|
871 |
global $USER;
|
|
|
872 |
|
|
|
873 |
$wiki = wiki_get_wiki($subwiki->wikiid);
|
|
|
874 |
$cm = get_coursemodule_from_instance('wiki', $wiki->id);
|
|
|
875 |
$context = context_module::instance($cm->id);
|
|
|
876 |
|
|
|
877 |
// Working depending on activity groupmode
|
|
|
878 |
switch (groups_get_activity_groupmode($cm)) {
|
|
|
879 |
case NOGROUPS:
|
|
|
880 |
|
|
|
881 |
if ($wiki->wikimode == 'collaborative') {
|
|
|
882 |
// Collaborative Mode:
|
|
|
883 |
// There is a wiki for all the class.
|
|
|
884 |
//
|
|
|
885 |
// Only edit capbility needed
|
|
|
886 |
return has_capability('mod/wiki:editpage', $context);
|
|
|
887 |
} else if ($wiki->wikimode == 'individual') {
|
|
|
888 |
// Individual Mode
|
|
|
889 |
// There is a wiki per user
|
|
|
890 |
|
|
|
891 |
// Only the owner of that wiki can edit it
|
|
|
892 |
if ($subwiki->userid == $USER->id) {
|
|
|
893 |
return has_capability('mod/wiki:editpage', $context);
|
|
|
894 |
} else { // Current user is not the owner of that wiki.
|
|
|
895 |
|
|
|
896 |
// User must have:
|
|
|
897 |
// mod/wiki:editpage capability
|
|
|
898 |
// and
|
|
|
899 |
// mod/wiki:managewiki capability
|
|
|
900 |
$edit = has_capability('mod/wiki:editpage', $context);
|
|
|
901 |
$manage = has_capability('mod/wiki:managewiki', $context);
|
|
|
902 |
|
|
|
903 |
return $edit && $manage;
|
|
|
904 |
}
|
|
|
905 |
} else {
|
|
|
906 |
//Error
|
|
|
907 |
return false;
|
|
|
908 |
}
|
|
|
909 |
case SEPARATEGROUPS:
|
|
|
910 |
if ($wiki->wikimode == 'collaborative') {
|
|
|
911 |
// Collaborative Mode:
|
|
|
912 |
// There is one wiki per group.
|
|
|
913 |
//
|
|
|
914 |
// Only members of subwiki group could edit that wiki
|
|
|
915 |
if (groups_is_member($subwiki->groupid)) {
|
|
|
916 |
// Only edit capability needed
|
|
|
917 |
return has_capability('mod/wiki:editpage', $context);
|
|
|
918 |
} else { // User is not part of that group
|
|
|
919 |
// User must have:
|
|
|
920 |
// mod/wiki:managewiki capability
|
|
|
921 |
// and
|
|
|
922 |
// moodle/site:accessallgroups capability
|
|
|
923 |
// and
|
|
|
924 |
// mod/wiki:editpage capability
|
|
|
925 |
$manage = has_capability('mod/wiki:managewiki', $context);
|
|
|
926 |
$access = has_capability('moodle/site:accessallgroups', $context);
|
|
|
927 |
$edit = has_capability('mod/wiki:editpage', $context);
|
|
|
928 |
return $manage && $access && $edit;
|
|
|
929 |
}
|
|
|
930 |
} else if ($wiki->wikimode == 'individual') {
|
|
|
931 |
// Individual Mode:
|
|
|
932 |
// Each person owns a wiki.
|
|
|
933 |
//
|
|
|
934 |
// Only the owner of that wiki can edit it
|
|
|
935 |
if ($subwiki->userid == $USER->id) {
|
|
|
936 |
return has_capability('mod/wiki:editpage', $context);
|
|
|
937 |
} else { // Current user is not the owner of that wiki.
|
|
|
938 |
// User must have:
|
|
|
939 |
// mod/wiki:managewiki capability
|
|
|
940 |
// and
|
|
|
941 |
// moodle/site:accessallgroups capability
|
|
|
942 |
// and
|
|
|
943 |
// mod/wiki:editpage capability
|
|
|
944 |
$manage = has_capability('mod/wiki:managewiki', $context);
|
|
|
945 |
$access = has_capability('moodle/site:accessallgroups', $context);
|
|
|
946 |
$edit = has_capability('mod/wiki:editpage', $context);
|
|
|
947 |
return $manage && $access && $edit;
|
|
|
948 |
}
|
|
|
949 |
} else {
|
|
|
950 |
//Error
|
|
|
951 |
return false;
|
|
|
952 |
}
|
|
|
953 |
case VISIBLEGROUPS:
|
|
|
954 |
if ($wiki->wikimode == 'collaborative') {
|
|
|
955 |
// Collaborative Mode:
|
|
|
956 |
// There is one wiki per group.
|
|
|
957 |
//
|
|
|
958 |
// Only members of subwiki group could edit that wiki
|
|
|
959 |
if (groups_is_member($subwiki->groupid)) {
|
|
|
960 |
// Only edit capability needed
|
|
|
961 |
return has_capability('mod/wiki:editpage', $context);
|
|
|
962 |
} else { // User is not part of that group
|
|
|
963 |
// User must have:
|
|
|
964 |
// mod/wiki:managewiki capability
|
|
|
965 |
// and
|
|
|
966 |
// mod/wiki:editpage capability
|
|
|
967 |
$manage = has_capability('mod/wiki:managewiki', $context);
|
|
|
968 |
$edit = has_capability('mod/wiki:editpage', $context);
|
|
|
969 |
return $manage && $edit;
|
|
|
970 |
}
|
|
|
971 |
} else if ($wiki->wikimode == 'individual') {
|
|
|
972 |
// Individual Mode:
|
|
|
973 |
// Each person owns a wiki.
|
|
|
974 |
//
|
|
|
975 |
// Only the owner of that wiki can edit it
|
|
|
976 |
if ($subwiki->userid == $USER->id) {
|
|
|
977 |
return has_capability('mod/wiki:editpage', $context);
|
|
|
978 |
} else { // Current user is not the owner of that wiki.
|
|
|
979 |
// User must have:
|
|
|
980 |
// mod/wiki:managewiki capability
|
|
|
981 |
// and
|
|
|
982 |
// mod/wiki:editpage capability
|
|
|
983 |
$manage = has_capability('mod/wiki:managewiki', $context);
|
|
|
984 |
$edit = has_capability('mod/wiki:editpage', $context);
|
|
|
985 |
return $manage && $edit;
|
|
|
986 |
}
|
|
|
987 |
} else {
|
|
|
988 |
//Error
|
|
|
989 |
return false;
|
|
|
990 |
}
|
|
|
991 |
default: // Error
|
|
|
992 |
return false;
|
|
|
993 |
}
|
|
|
994 |
}
|
|
|
995 |
|
|
|
996 |
//----------------
|
|
|
997 |
// Locks
|
|
|
998 |
//----------------
|
|
|
999 |
|
|
|
1000 |
/**
|
|
|
1001 |
* Checks if a page-section is locked.
|
|
|
1002 |
*
|
|
|
1003 |
* @return true if the combination of section and page is locked, FALSE otherwise.
|
|
|
1004 |
*/
|
|
|
1005 |
function wiki_is_page_section_locked($pageid, $userid, $section = null) {
|
|
|
1006 |
global $DB;
|
|
|
1007 |
|
|
|
1008 |
$sql = "pageid = ? AND lockedat > ? AND userid != ?";
|
|
|
1009 |
$params = array($pageid, time(), $userid);
|
|
|
1010 |
|
|
|
1011 |
if (!empty($section)) {
|
|
|
1012 |
$sql .= " AND (sectionname = ? OR sectionname IS null)";
|
|
|
1013 |
$params[] = $section;
|
|
|
1014 |
}
|
|
|
1015 |
|
|
|
1016 |
return $DB->record_exists_select('wiki_locks', $sql, $params);
|
|
|
1017 |
}
|
|
|
1018 |
|
|
|
1019 |
/**
|
|
|
1020 |
* Inserts or updates a wiki_locks record.
|
|
|
1021 |
*/
|
|
|
1022 |
function wiki_set_lock($pageid, $userid, $section = null, $insert = false) {
|
|
|
1023 |
global $DB;
|
|
|
1024 |
|
|
|
1025 |
if (wiki_is_page_section_locked($pageid, $userid, $section)) {
|
|
|
1026 |
return false;
|
|
|
1027 |
}
|
|
|
1028 |
|
|
|
1029 |
$params = array('pageid' => $pageid, 'userid' => $userid, 'sectionname' => $section);
|
|
|
1030 |
|
|
|
1031 |
$lock = $DB->get_record('wiki_locks', $params);
|
|
|
1032 |
|
|
|
1033 |
if (!empty($lock)) {
|
|
|
1034 |
$DB->update_record('wiki_locks', array('id' => $lock->id, 'lockedat' => time() + LOCK_TIMEOUT));
|
|
|
1035 |
} else if ($insert) {
|
|
|
1036 |
$DB->insert_record('wiki_locks',
|
|
|
1037 |
array('pageid' => $pageid, 'sectionname' => $section, 'userid' => $userid, 'lockedat' => time() + LOCK_TIMEOUT));
|
|
|
1038 |
}
|
|
|
1039 |
|
|
|
1040 |
return true;
|
|
|
1041 |
}
|
|
|
1042 |
|
|
|
1043 |
/**
|
|
|
1044 |
* Deletes wiki_locks that are not in use. (F.Ex. after submitting the changes). If no userid is present, it deletes ALL the wiki_locks of a specific page.
|
|
|
1045 |
*
|
|
|
1046 |
* @param int $pageid page id.
|
|
|
1047 |
* @param int $userid id of user for which lock is deleted.
|
|
|
1048 |
* @param string $section section to be deleted.
|
|
|
1049 |
* @param bool $delete_from_db deleted from db.
|
|
|
1050 |
* @param bool $delete_section_and_page delete section and page version.
|
|
|
1051 |
*/
|
|
|
1052 |
function wiki_delete_locks($pageid, $userid = null, $section = null, $delete_from_db = true, $delete_section_and_page = false) {
|
|
|
1053 |
global $DB;
|
|
|
1054 |
|
|
|
1055 |
$wiki = wiki_get_wiki_from_pageid($pageid);
|
|
|
1056 |
$cm = get_coursemodule_from_instance('wiki', $wiki->id);
|
|
|
1057 |
$context = context_module::instance($cm->id);
|
|
|
1058 |
|
|
|
1059 |
$params = array('pageid' => $pageid);
|
|
|
1060 |
|
|
|
1061 |
if (!empty($userid)) {
|
|
|
1062 |
$params['userid'] = $userid;
|
|
|
1063 |
}
|
|
|
1064 |
|
|
|
1065 |
if (!empty($section)) {
|
|
|
1066 |
$params['sectionname'] = $section;
|
|
|
1067 |
}
|
|
|
1068 |
|
|
|
1069 |
if ($delete_from_db) {
|
|
|
1070 |
$DB->delete_records('wiki_locks', $params);
|
|
|
1071 |
if ($delete_section_and_page && !empty($section)) {
|
|
|
1072 |
$params['sectionname'] = null;
|
|
|
1073 |
$DB->delete_records('wiki_locks', $params);
|
|
|
1074 |
}
|
|
|
1075 |
$event = \mod_wiki\event\page_locks_deleted::create(
|
|
|
1076 |
array(
|
|
|
1077 |
'context' => $context,
|
|
|
1078 |
'objectid' => $pageid,
|
|
|
1079 |
'relateduserid' => $userid,
|
|
|
1080 |
'other' => array(
|
|
|
1081 |
'section' => $section
|
|
|
1082 |
)
|
|
|
1083 |
));
|
|
|
1084 |
// No need to add snapshot, as important data is section, userid and pageid, which is part of event.
|
|
|
1085 |
$event->trigger();
|
|
|
1086 |
} else {
|
|
|
1087 |
$DB->set_field('wiki_locks', 'lockedat', time(), $params);
|
|
|
1088 |
}
|
|
|
1089 |
}
|
|
|
1090 |
|
|
|
1091 |
/**
|
|
|
1092 |
* Deletes wiki_locks that expired 1 hour ago.
|
|
|
1093 |
*/
|
|
|
1094 |
function wiki_delete_old_locks() {
|
|
|
1095 |
global $DB;
|
|
|
1096 |
|
|
|
1097 |
$DB->delete_records_select('wiki_locks', "lockedat < ?", array(time() - 3600));
|
|
|
1098 |
}
|
|
|
1099 |
|
|
|
1100 |
/**
|
|
|
1101 |
* Deletes wiki_links. It can be sepecific link or links attached in subwiki
|
|
|
1102 |
*
|
|
|
1103 |
* @global mixed $DB database object
|
|
|
1104 |
* @param int $linkid id of the link to be deleted
|
|
|
1105 |
* @param int $topageid links to the specific page
|
|
|
1106 |
* @param int $frompageid links from specific page
|
|
|
1107 |
* @param int $subwikiid links to subwiki
|
|
|
1108 |
*/
|
|
|
1109 |
function wiki_delete_links($linkid = null, $topageid = null, $frompageid = null, $subwikiid = null) {
|
|
|
1110 |
global $DB;
|
|
|
1111 |
$params = array();
|
|
|
1112 |
|
|
|
1113 |
// if link id is givien then don't check for anything else
|
|
|
1114 |
if (!empty($linkid)) {
|
|
|
1115 |
$params['id'] = $linkid;
|
|
|
1116 |
} else {
|
|
|
1117 |
if (!empty($topageid)) {
|
|
|
1118 |
$params['topageid'] = $topageid;
|
|
|
1119 |
}
|
|
|
1120 |
if (!empty($frompageid)) {
|
|
|
1121 |
$params['frompageid'] = $frompageid;
|
|
|
1122 |
}
|
|
|
1123 |
if (!empty($subwikiid)) {
|
|
|
1124 |
$params['subwikiid'] = $subwikiid;
|
|
|
1125 |
}
|
|
|
1126 |
}
|
|
|
1127 |
|
|
|
1128 |
//Delete links if any params are passed, else nothing to delete.
|
|
|
1129 |
if (!empty($params)) {
|
|
|
1130 |
$DB->delete_records('wiki_links', $params);
|
|
|
1131 |
}
|
|
|
1132 |
}
|
|
|
1133 |
|
|
|
1134 |
/**
|
|
|
1135 |
* Delete wiki synonyms related to subwikiid or page
|
|
|
1136 |
*
|
|
|
1137 |
* @param int $subwikiid id of sunbwiki
|
|
|
1138 |
* @param int $pageid id of page
|
|
|
1139 |
*/
|
|
|
1140 |
function wiki_delete_synonym($subwikiid, $pageid = null) {
|
|
|
1141 |
global $DB;
|
|
|
1142 |
|
|
|
1143 |
$params = array('subwikiid' => $subwikiid);
|
|
|
1144 |
if (!is_null($pageid)) {
|
|
|
1145 |
$params['pageid'] = $pageid;
|
|
|
1146 |
}
|
|
|
1147 |
$DB->delete_records('wiki_synonyms', $params, IGNORE_MISSING);
|
|
|
1148 |
}
|
|
|
1149 |
|
|
|
1150 |
/**
|
|
|
1151 |
* Delete pages and all related data
|
|
|
1152 |
*
|
|
|
1153 |
* @param mixed $context context in which page needs to be deleted.
|
|
|
1154 |
* @param mixed $pageids id's of pages to be deleted
|
|
|
1155 |
* @param int $subwikiid id of the subwiki for which all pages should be deleted
|
|
|
1156 |
*/
|
|
|
1157 |
function wiki_delete_pages($context, $pageids = null, $subwikiid = null) {
|
|
|
1158 |
global $DB, $CFG;
|
|
|
1159 |
|
|
|
1160 |
if (!empty($pageids) && is_int($pageids)) {
|
|
|
1161 |
$pageids = array($pageids);
|
|
|
1162 |
} else if (!empty($subwikiid)) {
|
|
|
1163 |
$pageids = wiki_get_page_list($subwikiid);
|
|
|
1164 |
}
|
|
|
1165 |
|
|
|
1166 |
//If there is no pageid then return as we can't delete anything.
|
|
|
1167 |
if (empty($pageids)) {
|
|
|
1168 |
return;
|
|
|
1169 |
}
|
|
|
1170 |
|
|
|
1171 |
/// Delete page and all it's relevent data
|
|
|
1172 |
foreach ($pageids as $pageid) {
|
|
|
1173 |
if (is_object($pageid)) {
|
|
|
1174 |
$pageid = $pageid->id;
|
|
|
1175 |
}
|
|
|
1176 |
|
|
|
1177 |
//Delete page comments
|
|
|
1178 |
$comments = wiki_get_comments($context->id, $pageid);
|
|
|
1179 |
foreach ($comments as $commentid => $commentvalue) {
|
|
|
1180 |
wiki_delete_comment($commentid, $context, $pageid);
|
|
|
1181 |
}
|
|
|
1182 |
|
|
|
1183 |
//Delete page tags
|
|
|
1184 |
core_tag_tag::remove_all_item_tags('mod_wiki', 'wiki_pages', $pageid);
|
|
|
1185 |
|
|
|
1186 |
//Delete Synonym
|
|
|
1187 |
wiki_delete_synonym($subwikiid, $pageid);
|
|
|
1188 |
|
|
|
1189 |
//Delete all page versions
|
|
|
1190 |
wiki_delete_page_versions(array($pageid=>array(0)), $context);
|
|
|
1191 |
|
|
|
1192 |
//Delete all page locks
|
|
|
1193 |
wiki_delete_locks($pageid);
|
|
|
1194 |
|
|
|
1195 |
//Delete all page links
|
|
|
1196 |
wiki_delete_links(null, $pageid);
|
|
|
1197 |
|
|
|
1198 |
$params = array('id' => $pageid);
|
|
|
1199 |
|
|
|
1200 |
// Get page before deleting.
|
|
|
1201 |
$page = $DB->get_record('wiki_pages', $params);
|
|
|
1202 |
|
|
|
1203 |
//Delete page
|
|
|
1204 |
$DB->delete_records('wiki_pages', $params);
|
|
|
1205 |
|
|
|
1206 |
// Trigger page_deleted event.
|
|
|
1207 |
$event = \mod_wiki\event\page_deleted::create(
|
|
|
1208 |
array(
|
|
|
1209 |
'context' => $context,
|
|
|
1210 |
'objectid' => $pageid,
|
|
|
1211 |
'other' => array('subwikiid' => $subwikiid)
|
|
|
1212 |
));
|
|
|
1213 |
$event->add_record_snapshot('wiki_pages', $page);
|
|
|
1214 |
$event->trigger();
|
|
|
1215 |
}
|
|
|
1216 |
}
|
|
|
1217 |
|
|
|
1218 |
/**
|
|
|
1219 |
* Delete specificed versions of a page or versions created by users
|
|
|
1220 |
* if version is 0 then it will remove all versions of the page
|
|
|
1221 |
*
|
|
|
1222 |
* @param array $deleteversions delete versions for a page
|
|
|
1223 |
* @param context_module $context module context
|
|
|
1224 |
*/
|
|
|
1225 |
function wiki_delete_page_versions($deleteversions, $context = null) {
|
|
|
1226 |
global $DB;
|
|
|
1227 |
|
|
|
1228 |
/// delete page-versions
|
|
|
1229 |
foreach ($deleteversions as $id => $versions) {
|
|
|
1230 |
$params = array('pageid' => $id);
|
|
|
1231 |
if (is_null($context)) {
|
|
|
1232 |
$wiki = wiki_get_wiki_from_pageid($id);
|
|
|
1233 |
$cm = get_coursemodule_from_instance('wiki', $wiki->id);
|
|
|
1234 |
$context = context_module::instance($cm->id);
|
|
|
1235 |
}
|
|
|
1236 |
// Delete all versions, if version specified is 0.
|
|
|
1237 |
if (in_array(0, $versions)) {
|
|
|
1238 |
$oldversions = $DB->get_records('wiki_versions', $params);
|
|
|
1239 |
$DB->delete_records('wiki_versions', $params, IGNORE_MISSING);
|
|
|
1240 |
} else {
|
|
|
1241 |
list($insql, $param) = $DB->get_in_or_equal($versions);
|
|
|
1242 |
$insql .= ' AND pageid = ?';
|
|
|
1243 |
array_push($param, $params['pageid']);
|
|
|
1244 |
$oldversions = $DB->get_records_select('wiki_versions', 'version ' . $insql, $param);
|
|
|
1245 |
$DB->delete_records_select('wiki_versions', 'version ' . $insql, $param);
|
|
|
1246 |
}
|
|
|
1247 |
foreach ($oldversions as $version) {
|
|
|
1248 |
// Trigger page version deleted event.
|
|
|
1249 |
$event = \mod_wiki\event\page_version_deleted::create(
|
|
|
1250 |
array(
|
|
|
1251 |
'context' => $context,
|
|
|
1252 |
'objectid' => $version->id,
|
|
|
1253 |
'other' => array(
|
|
|
1254 |
'pageid' => $id
|
|
|
1255 |
)
|
|
|
1256 |
));
|
|
|
1257 |
$event->add_record_snapshot('wiki_versions', $version);
|
|
|
1258 |
$event->trigger();
|
|
|
1259 |
}
|
|
|
1260 |
}
|
|
|
1261 |
}
|
|
|
1262 |
|
|
|
1263 |
function wiki_get_comment($commentid){
|
|
|
1264 |
global $DB;
|
|
|
1265 |
return $DB->get_record('comments', array('id' => $commentid));
|
|
|
1266 |
}
|
|
|
1267 |
|
|
|
1268 |
/**
|
|
|
1269 |
* Returns all comments by context and pageid
|
|
|
1270 |
*
|
|
|
1271 |
* @param int $contextid Current context id
|
|
|
1272 |
* @param int $pageid Current pageid
|
|
|
1273 |
**/
|
|
|
1274 |
function wiki_get_comments($contextid, $pageid) {
|
|
|
1275 |
global $DB;
|
|
|
1276 |
|
|
|
1277 |
return $DB->get_records('comments', array('contextid' => $contextid, 'itemid' => $pageid, 'commentarea' => 'wiki_page'), 'timecreated ASC');
|
|
|
1278 |
}
|
|
|
1279 |
|
|
|
1280 |
/**
|
|
|
1281 |
* Add comments ro database
|
|
|
1282 |
*
|
|
|
1283 |
* @param object $context. Current context
|
|
|
1284 |
* @param int $pageid. Current pageid
|
|
|
1285 |
* @param string $content. Content of the comment
|
|
|
1286 |
* @param string editor. Version of editor we are using.
|
|
|
1287 |
**/
|
|
|
1288 |
function wiki_add_comment($context, $pageid, $content, $editor) {
|
|
|
1289 |
global $CFG;
|
|
|
1290 |
require_once($CFG->dirroot . '/comment/lib.php');
|
|
|
1291 |
|
|
|
1292 |
list($context, $course, $cm) = get_context_info_array($context->id);
|
|
|
1293 |
$cmt = new stdclass();
|
|
|
1294 |
$cmt->context = $context;
|
|
|
1295 |
$cmt->itemid = $pageid;
|
|
|
1296 |
$cmt->area = 'wiki_page';
|
|
|
1297 |
$cmt->course = $course;
|
|
|
1298 |
$cmt->component = 'mod_wiki';
|
|
|
1299 |
|
|
|
1300 |
$manager = new comment($cmt);
|
|
|
1301 |
|
|
|
1302 |
if ($editor == 'creole') {
|
|
|
1303 |
$manager->add($content, FORMAT_CREOLE);
|
|
|
1304 |
} else if ($editor == 'html') {
|
|
|
1305 |
$manager->add($content, FORMAT_HTML);
|
|
|
1306 |
} else if ($editor == 'nwiki') {
|
|
|
1307 |
$manager->add($content, FORMAT_NWIKI);
|
|
|
1308 |
}
|
|
|
1309 |
|
|
|
1310 |
}
|
|
|
1311 |
|
|
|
1312 |
/**
|
|
|
1313 |
* Delete comments from database
|
|
|
1314 |
*
|
|
|
1315 |
* @param $idcomment. Id of comment which will be deleted
|
|
|
1316 |
* @param $context. Current context
|
|
|
1317 |
* @param $pageid. Current pageid
|
|
|
1318 |
**/
|
|
|
1319 |
function wiki_delete_comment($idcomment, $context, $pageid) {
|
|
|
1320 |
global $CFG;
|
|
|
1321 |
require_once($CFG->dirroot . '/comment/lib.php');
|
|
|
1322 |
|
|
|
1323 |
list($context, $course, $cm) = get_context_info_array($context->id);
|
|
|
1324 |
$cmt = new stdClass();
|
|
|
1325 |
$cmt->context = $context;
|
|
|
1326 |
$cmt->itemid = $pageid;
|
|
|
1327 |
$cmt->area = 'wiki_page';
|
|
|
1328 |
$cmt->course = $course;
|
|
|
1329 |
$cmt->component = 'mod_wiki';
|
|
|
1330 |
|
|
|
1331 |
$manager = new comment($cmt);
|
|
|
1332 |
$manager->delete($idcomment);
|
|
|
1333 |
|
|
|
1334 |
}
|
|
|
1335 |
|
|
|
1336 |
/**
|
|
|
1337 |
* Delete al comments from wiki
|
|
|
1338 |
*
|
|
|
1339 |
**/
|
|
|
1340 |
function wiki_delete_comments_wiki() {
|
|
|
1341 |
global $PAGE, $DB;
|
|
|
1342 |
|
|
|
1343 |
$cm = $PAGE->cm;
|
|
|
1344 |
$context = context_module::instance($cm->id);
|
|
|
1345 |
|
|
|
1346 |
$table = 'comments';
|
|
|
1347 |
$select = 'contextid = ?';
|
|
|
1348 |
|
|
|
1349 |
$DB->delete_records_select($table, $select, array($context->id));
|
|
|
1350 |
|
|
|
1351 |
}
|
|
|
1352 |
|
|
|
1353 |
function wiki_add_progress($pageid, $oldversionid, $versionid, $progress) {
|
|
|
1354 |
global $DB;
|
|
|
1355 |
for ($v = $oldversionid + 1; $v <= $versionid; $v++) {
|
|
|
1356 |
$user = wiki_get_wiki_page_id($pageid, $v);
|
|
|
1357 |
|
|
|
1358 |
$DB->insert_record('wiki_progress', array('userid' => $user->userid, 'pageid' => $pageid, 'versionid' => $v, 'progress' => $progress));
|
|
|
1359 |
}
|
|
|
1360 |
}
|
|
|
1361 |
|
|
|
1362 |
function wiki_get_wiki_page_id($pageid, $id) {
|
|
|
1363 |
global $DB;
|
|
|
1364 |
return $DB->get_record('wiki_versions', array('pageid' => $pageid, 'id' => $id));
|
|
|
1365 |
}
|
|
|
1366 |
|
|
|
1367 |
function wiki_print_page_content($page, $context, $subwikiid) {
|
|
|
1368 |
global $OUTPUT, $CFG;
|
|
|
1369 |
|
|
|
1370 |
if ($page->timerendered + WIKI_REFRESH_CACHE_TIME < time()) {
|
|
|
1371 |
$content = wiki_refresh_cachedcontent($page);
|
|
|
1372 |
$page = $content['page'];
|
|
|
1373 |
}
|
|
|
1374 |
|
|
|
1375 |
if (isset($content)) {
|
|
|
1376 |
$box = '';
|
|
|
1377 |
foreach ($content['sections'] as $s) {
|
|
|
1378 |
$box .= '<p>' . get_string('repeatedsection', 'wiki', $s) . '</p>';
|
|
|
1379 |
}
|
|
|
1380 |
|
|
|
1381 |
if (!empty($box)) {
|
|
|
1382 |
echo $OUTPUT->box($box);
|
|
|
1383 |
}
|
|
|
1384 |
}
|
|
|
1385 |
$html = file_rewrite_pluginfile_urls($page->cachedcontent, 'pluginfile.php', $context->id, 'mod_wiki', 'attachments', $subwikiid);
|
|
|
1386 |
$html = format_text($html, FORMAT_HTML, array('overflowdiv' => true, 'allowid' => true));
|
|
|
1387 |
echo $OUTPUT->box($html);
|
|
|
1388 |
|
|
|
1389 |
echo $OUTPUT->tag_list(core_tag_tag::get_item_tags('mod_wiki', 'wiki_pages', $page->id),
|
|
|
1390 |
null, 'wiki-tags');
|
|
|
1391 |
|
|
|
1392 |
wiki_increment_pageviews($page);
|
|
|
1393 |
}
|
|
|
1394 |
|
|
|
1395 |
/**
|
|
|
1396 |
* This function trims any given text and returns it with some dots at the end
|
|
|
1397 |
*
|
|
|
1398 |
* @param string $text
|
|
|
1399 |
* @param string $limit
|
|
|
1400 |
*
|
|
|
1401 |
* @return string
|
|
|
1402 |
*/
|
|
|
1403 |
function wiki_trim_string($text, $limit = 25) {
|
|
|
1404 |
|
|
|
1405 |
if (core_text::strlen($text) > $limit) {
|
|
|
1406 |
$text = core_text::substr($text, 0, $limit) . '...';
|
|
|
1407 |
}
|
|
|
1408 |
|
|
|
1409 |
return $text;
|
|
|
1410 |
}
|
|
|
1411 |
|
|
|
1412 |
/**
|
|
|
1413 |
* Prints default edit form fields and buttons
|
|
|
1414 |
*
|
|
|
1415 |
* @param string $format Edit form format (html, creole...)
|
|
|
1416 |
* @param integer $version Version number. A negative number means no versioning.
|
|
|
1417 |
*/
|
|
|
1418 |
|
|
|
1419 |
function wiki_print_edit_form_default_fields($format, $pageid, $version = -1, $upload = false, $deleteuploads = array()) {
|
|
|
1420 |
global $CFG, $PAGE, $OUTPUT;
|
|
|
1421 |
|
|
|
1422 |
echo '<input type="hidden" name="sesskey" value="' . sesskey() . '" />';
|
|
|
1423 |
|
|
|
1424 |
if ($version >= 0) {
|
|
|
1425 |
echo '<input type="hidden" name="version" value="' . $version . '" />';
|
|
|
1426 |
}
|
|
|
1427 |
|
|
|
1428 |
echo '<input type="hidden" name="format" value="' . $format . '"/>';
|
|
|
1429 |
|
|
|
1430 |
//attachments
|
|
|
1431 |
require_once($CFG->dirroot . '/lib/form/filemanager.php');
|
|
|
1432 |
|
|
|
1433 |
$filemanager = new MoodleQuickForm_filemanager('attachments', get_string('wikiattachments', 'wiki'), array('id' => 'attachments'), array('subdirs' => false, 'maxfiles' => 99, 'maxbytes' => $CFG->maxbytes));
|
|
|
1434 |
|
|
|
1435 |
$value = file_get_submitted_draft_itemid('attachments');
|
|
|
1436 |
if (!empty($value) && !$upload) {
|
|
|
1437 |
$filemanager->setValue($value);
|
|
|
1438 |
}
|
|
|
1439 |
|
|
|
1440 |
echo "<fieldset class=\"wiki-upload-section clearfix\"><legend class=\"ftoggler\">" . get_string("uploadtitle", 'wiki') . "</legend>";
|
|
|
1441 |
|
|
|
1442 |
echo $OUTPUT->container_start('container');
|
|
|
1443 |
print $filemanager->toHtml();
|
|
|
1444 |
echo $OUTPUT->container_end();
|
|
|
1445 |
|
|
|
1446 |
$cm = $PAGE->cm;
|
|
|
1447 |
$context = context_module::instance($cm->id);
|
|
|
1448 |
|
|
|
1449 |
echo $OUTPUT->container_start('container wiki-upload-table');
|
|
|
1450 |
wiki_print_upload_table($context, 'wiki_upload', $pageid, $deleteuploads);
|
|
|
1451 |
echo $OUTPUT->container_end();
|
|
|
1452 |
|
|
|
1453 |
echo "</fieldset>";
|
|
|
1454 |
|
|
|
1455 |
echo '<input class="wiki_button btn btn-secondary" type="submit" name="editoption" value="'
|
|
|
1456 |
. get_string('save', 'wiki') . '" />';
|
|
|
1457 |
echo '<input class="wiki_button btn btn-secondary" type="submit" name="editoption" value="'
|
|
|
1458 |
. get_string('upload', 'wiki') . '" />';
|
|
|
1459 |
echo '<input class="wiki_button btn btn-secondary" type="submit" name="editoption" value="' . get_string('preview') . '" />';
|
|
|
1460 |
echo '<input class="wiki_button btn btn-secondary" type="submit" name="editoption" value="' . get_string('cancel') . '" />';
|
|
|
1461 |
}
|
|
|
1462 |
|
|
|
1463 |
/**
|
|
|
1464 |
* Prints a table with the files attached to a wiki page
|
|
|
1465 |
* @param object $context
|
|
|
1466 |
* @param string $filearea
|
|
|
1467 |
* @param int $fileitemid
|
|
|
1468 |
* @param array deleteuploads
|
|
|
1469 |
*/
|
|
|
1470 |
function wiki_print_upload_table($context, $filearea, $fileitemid, $deleteuploads = array()) {
|
|
|
1471 |
global $CFG, $OUTPUT;
|
|
|
1472 |
|
|
|
1473 |
$htmltable = new html_table();
|
|
|
1474 |
|
|
|
1475 |
$htmltable->head = array(get_string('deleteupload', 'wiki'), get_string('uploadname', 'wiki'), get_string('uploadactions', 'wiki'));
|
|
|
1476 |
|
|
|
1477 |
$fs = get_file_storage();
|
|
|
1478 |
$files = $fs->get_area_files($context->id, 'mod_wiki', $filearea, $fileitemid); //TODO: this is weird (skodak)
|
|
|
1479 |
|
|
|
1480 |
foreach ($files as $file) {
|
|
|
1481 |
if (!$file->is_directory()) {
|
|
|
1482 |
$checkbox = '<input type="checkbox" name="deleteupload[]", value="' . $file->get_pathnamehash() . '"';
|
|
|
1483 |
|
|
|
1484 |
if (in_array($file->get_pathnamehash(), $deleteuploads)) {
|
|
|
1485 |
$checkbox .= ' checked="checked"';
|
|
|
1486 |
}
|
|
|
1487 |
|
|
|
1488 |
$checkbox .= " />";
|
|
|
1489 |
|
|
|
1490 |
$htmltable->data[] = array($checkbox, '<a href="' . file_encode_url($CFG->wwwroot . '/pluginfile.php', '/' . $context->id . '/wiki_upload/' . $fileitemid . '/' . $file->get_filename()) . '">' . $file->get_filename() . '</a>', "");
|
|
|
1491 |
}
|
|
|
1492 |
}
|
|
|
1493 |
|
|
|
1494 |
print '<h3 class="upload-table-title">' . get_string('uploadfiletitle', 'wiki') . "</h3>";
|
|
|
1495 |
print html_writer::table($htmltable);
|
|
|
1496 |
}
|
|
|
1497 |
|
|
|
1498 |
/**
|
|
|
1499 |
* Generate wiki's page tree
|
|
|
1500 |
*
|
|
|
1501 |
* @param page_wiki $page. A wiki page object
|
|
|
1502 |
* @param navigation_node $node. Starting navigation_node
|
|
|
1503 |
* @param array $keys. An array to store keys
|
|
|
1504 |
* @return an array with all tree nodes
|
|
|
1505 |
*/
|
|
|
1506 |
function wiki_build_tree($page, $node, &$keys) {
|
|
|
1507 |
$content = array();
|
|
|
1508 |
static $icon = null;
|
|
|
1509 |
if ($icon === null) {
|
|
|
1510 |
// Substitute the default navigation icon with empty image.
|
|
|
1511 |
$icon = new pix_icon('spacer', '');
|
|
|
1512 |
}
|
|
|
1513 |
$pages = wiki_get_linked_pages($page->id);
|
|
|
1514 |
foreach ($pages as $p) {
|
|
|
1515 |
$key = $page->id . ':' . $p->id;
|
|
|
1516 |
if (in_array($key, $keys)) {
|
|
|
1517 |
break;
|
|
|
1518 |
}
|
|
|
1519 |
array_push($keys, $key);
|
|
|
1520 |
$l = wiki_parser_link($p);
|
|
|
1521 |
$link = new moodle_url('/mod/wiki/view.php', array('pageid' => $p->id));
|
|
|
1522 |
// navigation_node::get_content will format the title for us
|
|
|
1523 |
$nodeaux = $node->add($p->title, $link, null, null, null, $icon);
|
|
|
1524 |
if ($l['new']) {
|
|
|
1525 |
$nodeaux->add_class('wiki_newentry');
|
|
|
1526 |
}
|
|
|
1527 |
wiki_build_tree($p, $nodeaux, $keys);
|
|
|
1528 |
}
|
|
|
1529 |
$content[] = $node;
|
|
|
1530 |
return $content;
|
|
|
1531 |
}
|
|
|
1532 |
|
|
|
1533 |
/**
|
|
|
1534 |
* Get linked pages from page
|
|
|
1535 |
* @param int $pageid
|
|
|
1536 |
*/
|
|
|
1537 |
function wiki_get_linked_pages($pageid) {
|
|
|
1538 |
global $DB;
|
|
|
1539 |
|
|
|
1540 |
$sql = "SELECT p.id, p.title
|
|
|
1541 |
FROM {wiki_pages} p
|
|
|
1542 |
JOIN {wiki_links} l ON l.topageid = p.id
|
|
|
1543 |
WHERE l.frompageid = ?
|
|
|
1544 |
ORDER BY p.title ASC";
|
|
|
1545 |
return $DB->get_records_sql($sql, array($pageid));
|
|
|
1546 |
}
|
|
|
1547 |
|
|
|
1548 |
/**
|
|
|
1549 |
* Get updated pages from wiki
|
|
|
1550 |
* @param int $pageid
|
|
|
1551 |
*/
|
|
|
1552 |
function wiki_get_updated_pages_by_subwiki($swid) {
|
|
|
1553 |
global $DB, $USER;
|
|
|
1554 |
|
|
|
1555 |
$sql = "SELECT *
|
|
|
1556 |
FROM {wiki_pages}
|
|
|
1557 |
WHERE subwikiid = ? AND timemodified > ?
|
|
|
1558 |
ORDER BY timemodified DESC";
|
|
|
1559 |
return $DB->get_records_sql($sql, array($swid, $USER->lastlogin));
|
|
|
1560 |
}
|
|
|
1561 |
|
|
|
1562 |
/**
|
|
|
1563 |
* Check if the user can create pages in a certain wiki.
|
|
|
1564 |
* @param context $context Wiki's context.
|
|
|
1565 |
* @param integer|stdClass $user A user id or object. By default (null) checks the permissions of the current user.
|
|
|
1566 |
* @return bool True if user can create pages, false otherwise.
|
|
|
1567 |
* @since Moodle 3.1
|
|
|
1568 |
*/
|
|
|
1569 |
function wiki_can_create_pages($context, $user = null) {
|
|
|
1570 |
return has_capability('mod/wiki:createpage', $context, $user);
|
|
|
1571 |
}
|
|
|
1572 |
|
|
|
1573 |
/**
|
|
|
1574 |
* Get a sub wiki instance by wiki id, group id and user id.
|
|
|
1575 |
* If the wiki doesn't exist in DB it will return an isntance with id -1.
|
|
|
1576 |
*
|
|
|
1577 |
* @param int $wikiid Wiki ID.
|
|
|
1578 |
* @param int $groupid Group ID.
|
|
|
1579 |
* @param int $userid User ID.
|
|
|
1580 |
* @return object Subwiki instance.
|
|
|
1581 |
* @since Moodle 3.1
|
|
|
1582 |
*/
|
|
|
1583 |
function wiki_get_possible_subwiki_by_group($wikiid, $groupid, $userid = 0) {
|
|
|
1584 |
if (!$subwiki = wiki_get_subwiki_by_group($wikiid, $groupid, $userid)) {
|
|
|
1585 |
$subwiki = new stdClass();
|
|
|
1586 |
$subwiki->id = -1;
|
|
|
1587 |
$subwiki->wikiid = $wikiid;
|
|
|
1588 |
$subwiki->groupid = $groupid;
|
|
|
1589 |
$subwiki->userid = $userid;
|
|
|
1590 |
}
|
|
|
1591 |
return $subwiki;
|
|
|
1592 |
}
|
|
|
1593 |
|
|
|
1594 |
/**
|
|
|
1595 |
* Get all the possible subwikis visible to the user in a wiki.
|
|
|
1596 |
* It will return all the subwikis that can be created in a wiki, even if they don't exist in DB yet.
|
|
|
1597 |
*
|
|
|
1598 |
* @param stdClass $wiki Wiki to get the subwikis from.
|
|
|
1599 |
* @param cm_info|stdClass $cm Optional. The course module object.
|
|
|
1600 |
* @param context_module $context Optional. Context of wiki module.
|
|
|
1601 |
* @return array List of subwikis.
|
|
|
1602 |
* @since Moodle 3.1
|
|
|
1603 |
*/
|
|
|
1604 |
function wiki_get_visible_subwikis($wiki, $cm = null, $context = null) {
|
|
|
1605 |
global $USER;
|
|
|
1606 |
|
|
|
1607 |
$subwikis = array();
|
|
|
1608 |
|
|
|
1609 |
if (empty($wiki) or !is_object($wiki)) {
|
|
|
1610 |
// Wiki not valid.
|
|
|
1611 |
return $subwikis;
|
|
|
1612 |
}
|
|
|
1613 |
|
|
|
1614 |
if (empty($cm)) {
|
|
|
1615 |
$cm = get_coursemodule_from_instance('wiki', $wiki->id);
|
|
|
1616 |
}
|
|
|
1617 |
if (empty($context)) {
|
|
|
1618 |
$context = context_module::instance($cm->id);
|
|
|
1619 |
}
|
|
|
1620 |
|
|
|
1621 |
if (!has_capability('mod/wiki:viewpage', $context)) {
|
|
|
1622 |
return $subwikis;
|
|
|
1623 |
}
|
|
|
1624 |
|
|
|
1625 |
$manage = has_capability('mod/wiki:managewiki', $context);
|
|
|
1626 |
|
|
|
1627 |
if (!$groupmode = groups_get_activity_groupmode($cm)) {
|
|
|
1628 |
// No groups.
|
|
|
1629 |
if ($wiki->wikimode == 'collaborative') {
|
|
|
1630 |
// Only 1 subwiki.
|
|
|
1631 |
$subwikis[] = wiki_get_possible_subwiki_by_group($wiki->id, 0, 0);
|
|
|
1632 |
} else if ($wiki->wikimode == 'individual') {
|
|
|
1633 |
// There's 1 subwiki per user.
|
|
|
1634 |
if ($manage) {
|
|
|
1635 |
// User can view all subwikis.
|
|
|
1636 |
$users = get_enrolled_users($context);
|
|
|
1637 |
foreach ($users as $user) {
|
|
|
1638 |
$subwikis[] = wiki_get_possible_subwiki_by_group($wiki->id, 0, $user->id);
|
|
|
1639 |
}
|
|
|
1640 |
} else {
|
|
|
1641 |
// User can only see his subwiki.
|
|
|
1642 |
$subwikis[] = wiki_get_possible_subwiki_by_group($wiki->id, 0, $USER->id);
|
|
|
1643 |
}
|
|
|
1644 |
}
|
|
|
1645 |
} else {
|
|
|
1646 |
if ($wiki->wikimode == 'collaborative') {
|
|
|
1647 |
// 1 subwiki per group.
|
|
|
1648 |
$aag = has_capability('moodle/site:accessallgroups', $context);
|
|
|
1649 |
if ($aag || $groupmode == VISIBLEGROUPS) {
|
|
|
1650 |
// User can see all groups.
|
|
|
1651 |
$allowedgroups = groups_get_all_groups($cm->course, 0, $cm->groupingid);
|
|
|
1652 |
$allparticipants = new stdClass();
|
|
|
1653 |
$allparticipants->id = 0;
|
|
|
1654 |
array_unshift($allowedgroups, $allparticipants); // Add all participants.
|
|
|
1655 |
} else {
|
|
|
1656 |
// User can only see the groups he belongs to.
|
|
|
1657 |
$allowedgroups = groups_get_all_groups($cm->course, $USER->id, $cm->groupingid);
|
|
|
1658 |
}
|
|
|
1659 |
|
|
|
1660 |
foreach ($allowedgroups as $group) {
|
|
|
1661 |
$subwikis[] = wiki_get_possible_subwiki_by_group($wiki->id, $group->id, 0);
|
|
|
1662 |
}
|
|
|
1663 |
} else if ($wiki->wikimode == 'individual') {
|
|
|
1664 |
// 1 subwiki per user and group.
|
|
|
1665 |
|
|
|
1666 |
if ($manage || $groupmode == VISIBLEGROUPS) {
|
|
|
1667 |
// User can view all subwikis.
|
|
|
1668 |
$users = get_enrolled_users($context);
|
|
|
1669 |
foreach ($users as $user) {
|
|
|
1670 |
// Get all the groups this user belongs to.
|
|
|
1671 |
$groups = groups_get_all_groups($cm->course, $user->id);
|
|
|
1672 |
if (!empty($groups)) {
|
|
|
1673 |
foreach ($groups as $group) {
|
|
|
1674 |
$subwikis[] = wiki_get_possible_subwiki_by_group($wiki->id, $group->id, $user->id);
|
|
|
1675 |
}
|
|
|
1676 |
} else {
|
|
|
1677 |
// User doesn't belong to any group, add it to group 0.
|
|
|
1678 |
$subwikis[] = wiki_get_possible_subwiki_by_group($wiki->id, 0, $user->id);
|
|
|
1679 |
}
|
|
|
1680 |
}
|
|
|
1681 |
} else {
|
|
|
1682 |
// The user can only see the subwikis of the groups he belongs.
|
|
|
1683 |
$allowedgroups = groups_get_all_groups($cm->course, $USER->id, $cm->groupingid);
|
|
|
1684 |
foreach ($allowedgroups as $group) {
|
|
|
1685 |
$users = groups_get_members($group->id);
|
|
|
1686 |
foreach ($users as $user) {
|
|
|
1687 |
$subwikis[] = wiki_get_possible_subwiki_by_group($wiki->id, $group->id, $user->id);
|
|
|
1688 |
}
|
|
|
1689 |
}
|
|
|
1690 |
}
|
|
|
1691 |
}
|
|
|
1692 |
}
|
|
|
1693 |
|
|
|
1694 |
return $subwikis;
|
|
|
1695 |
}
|
|
|
1696 |
|
|
|
1697 |
/**
|
|
|
1698 |
* Utility function for getting a subwiki by group and user, validating that the user can view it.
|
|
|
1699 |
* If the subwiki doesn't exists in DB yet it'll have id -1.
|
|
|
1700 |
*
|
|
|
1701 |
* @param stdClass $wiki The wiki.
|
|
|
1702 |
* @param int $groupid Group ID. 0 means the subwiki doesn't use groups.
|
|
|
1703 |
* @param int $userid User ID. 0 means the subwiki doesn't use users.
|
|
|
1704 |
* @return stdClass Subwiki. If it doesn't exists in DB yet it'll have id -1. If the user can't view the
|
|
|
1705 |
* subwiki this function will return false.
|
|
|
1706 |
* @since Moodle 3.1
|
|
|
1707 |
* @throws moodle_exception
|
|
|
1708 |
*/
|
|
|
1709 |
function wiki_get_subwiki_by_group_and_user_with_validation($wiki, $groupid, $userid) {
|
|
|
1710 |
global $USER, $DB;
|
|
|
1711 |
|
|
|
1712 |
// Get subwiki based on group and user.
|
|
|
1713 |
if (!$subwiki = wiki_get_subwiki_by_group($wiki->id, $groupid, $userid)) {
|
|
|
1714 |
|
|
|
1715 |
// The subwiki doesn't exist.
|
|
|
1716 |
// Validate if user is valid.
|
|
|
1717 |
if ($userid != 0) {
|
|
|
1718 |
$user = core_user::get_user($userid, '*', MUST_EXIST);
|
|
|
1719 |
core_user::require_active_user($user);
|
|
|
1720 |
}
|
|
|
1721 |
|
|
|
1722 |
// Validate that groupid is valid.
|
|
|
1723 |
if ($groupid != 0 && !groups_group_exists($groupid)) {
|
|
|
1724 |
throw new moodle_exception('cannotfindgroup', 'error');
|
|
|
1725 |
}
|
|
|
1726 |
|
|
|
1727 |
// Valid data but subwiki not found. We'll simulate a subwiki object to check if the user would be able to see it
|
|
|
1728 |
// if it existed. If he's able to see it then we'll return an empty array because the subwiki has no pages.
|
|
|
1729 |
$subwiki = new stdClass();
|
|
|
1730 |
$subwiki->id = -1;
|
|
|
1731 |
$subwiki->wikiid = $wiki->id;
|
|
|
1732 |
$subwiki->userid = $userid;
|
|
|
1733 |
$subwiki->groupid = $groupid;
|
|
|
1734 |
}
|
|
|
1735 |
|
|
|
1736 |
// Check that the user can view the subwiki. This function checks capabilities.
|
|
|
1737 |
if (!wiki_user_can_view($subwiki, $wiki)) {
|
|
|
1738 |
return false;
|
|
|
1739 |
}
|
|
|
1740 |
|
|
|
1741 |
return $subwiki;
|
|
|
1742 |
}
|
|
|
1743 |
|
|
|
1744 |
/**
|
|
|
1745 |
* Returns wiki pages tagged with a specified tag.
|
|
|
1746 |
*
|
|
|
1747 |
* This is a callback used by the tag area mod_wiki/wiki_pages to search for wiki pages
|
|
|
1748 |
* tagged with a specific tag.
|
|
|
1749 |
*
|
|
|
1750 |
* @param core_tag_tag $tag
|
|
|
1751 |
* @param bool $exclusivemode if set to true it means that no other entities tagged with this tag
|
|
|
1752 |
* are displayed on the page and the per-page limit may be bigger
|
|
|
1753 |
* @param int $fromctx context id where the link was displayed, may be used by callbacks
|
|
|
1754 |
* to display items in the same context first
|
|
|
1755 |
* @param int $ctx context id where to search for records
|
|
|
1756 |
* @param bool $rec search in subcontexts as well
|
|
|
1757 |
* @param int $page 0-based number of page being displayed
|
|
|
1758 |
* @return \core_tag\output\tagindex
|
|
|
1759 |
*/
|
|
|
1760 |
function mod_wiki_get_tagged_pages($tag, $exclusivemode = false, $fromctx = 0, $ctx = 0, $rec = 1, $page = 0) {
|
|
|
1761 |
global $OUTPUT;
|
|
|
1762 |
$perpage = $exclusivemode ? 20 : 5;
|
|
|
1763 |
|
|
|
1764 |
// Build the SQL query.
|
|
|
1765 |
$ctxselect = context_helper::get_preload_record_columns_sql('ctx');
|
|
|
1766 |
$query = "SELECT wp.id, wp.title, ws.userid, ws.wikiid, ws.id AS subwikiid, ws.groupid, w.wikimode,
|
|
|
1767 |
cm.id AS cmid, c.id AS courseid, c.shortname, c.fullname, $ctxselect
|
|
|
1768 |
FROM {wiki_pages} wp
|
|
|
1769 |
JOIN {wiki_subwikis} ws ON wp.subwikiid = ws.id
|
|
|
1770 |
JOIN {wiki} w ON w.id = ws.wikiid
|
|
|
1771 |
JOIN {modules} m ON m.name='wiki'
|
|
|
1772 |
JOIN {course_modules} cm ON cm.module = m.id AND cm.instance = w.id
|
|
|
1773 |
JOIN {tag_instance} tt ON wp.id = tt.itemid
|
|
|
1774 |
JOIN {course} c ON cm.course = c.id
|
|
|
1775 |
JOIN {context} ctx ON ctx.instanceid = cm.id AND ctx.contextlevel = :coursemodulecontextlevel
|
|
|
1776 |
WHERE tt.itemtype = :itemtype AND tt.tagid = :tagid AND tt.component = :component
|
|
|
1777 |
AND cm.deletioninprogress = 0
|
|
|
1778 |
AND wp.id %ITEMFILTER% AND c.id %COURSEFILTER%";
|
|
|
1779 |
|
|
|
1780 |
$params = array('itemtype' => 'wiki_pages', 'tagid' => $tag->id, 'component' => 'mod_wiki',
|
|
|
1781 |
'coursemodulecontextlevel' => CONTEXT_MODULE);
|
|
|
1782 |
|
|
|
1783 |
if ($ctx) {
|
|
|
1784 |
$context = $ctx ? context::instance_by_id($ctx) : context_system::instance();
|
|
|
1785 |
$query .= $rec ? ' AND (ctx.id = :contextid OR ctx.path LIKE :path)' : ' AND ctx.id = :contextid';
|
|
|
1786 |
$params['contextid'] = $context->id;
|
|
|
1787 |
$params['path'] = $context->path.'/%';
|
|
|
1788 |
}
|
|
|
1789 |
|
|
|
1790 |
$query .= " ORDER BY ";
|
|
|
1791 |
if ($fromctx) {
|
|
|
1792 |
// In order-clause specify that modules from inside "fromctx" context should be returned first.
|
|
|
1793 |
$fromcontext = context::instance_by_id($fromctx);
|
|
|
1794 |
$query .= ' (CASE WHEN ctx.id = :fromcontextid OR ctx.path LIKE :frompath THEN 0 ELSE 1 END),';
|
|
|
1795 |
$params['fromcontextid'] = $fromcontext->id;
|
|
|
1796 |
$params['frompath'] = $fromcontext->path.'/%';
|
|
|
1797 |
}
|
|
|
1798 |
$query .= ' c.sortorder, cm.id, wp.id';
|
|
|
1799 |
|
|
|
1800 |
$totalpages = $page + 1;
|
|
|
1801 |
|
|
|
1802 |
// Use core_tag_index_builder to build and filter the list of items.
|
|
|
1803 |
$builder = new core_tag_index_builder('mod_wiki', 'wiki_pages', $query, $params, $page * $perpage, $perpage + 1);
|
|
|
1804 |
while ($item = $builder->has_item_that_needs_access_check()) {
|
|
|
1805 |
context_helper::preload_from_record($item);
|
|
|
1806 |
$courseid = $item->courseid;
|
|
|
1807 |
if (!$builder->can_access_course($courseid)) {
|
|
|
1808 |
$builder->set_accessible($item, false);
|
|
|
1809 |
continue;
|
|
|
1810 |
}
|
|
|
1811 |
$modinfo = get_fast_modinfo($builder->get_course($courseid));
|
|
|
1812 |
// Set accessibility of this item and all other items in the same course.
|
|
|
1813 |
$builder->walk(function ($taggeditem) use ($courseid, $modinfo, $builder) {
|
|
|
1814 |
if ($taggeditem->courseid == $courseid) {
|
|
|
1815 |
$accessible = false;
|
|
|
1816 |
if (($cm = $modinfo->get_cm($taggeditem->cmid)) && $cm->uservisible) {
|
|
|
1817 |
$subwiki = (object)array('id' => $taggeditem->subwikiid, 'groupid' => $taggeditem->groupid,
|
|
|
1818 |
'userid' => $taggeditem->userid, 'wikiid' => $taggeditem->wikiid);
|
|
|
1819 |
$wiki = (object)array('id' => $taggeditem->wikiid, 'wikimode' => $taggeditem->wikimode,
|
|
|
1820 |
'course' => $cm->course);
|
|
|
1821 |
$accessible = wiki_user_can_view($subwiki, $wiki);
|
|
|
1822 |
}
|
|
|
1823 |
$builder->set_accessible($taggeditem, $accessible);
|
|
|
1824 |
}
|
|
|
1825 |
});
|
|
|
1826 |
}
|
|
|
1827 |
|
|
|
1828 |
$items = $builder->get_items();
|
|
|
1829 |
if (count($items) > $perpage) {
|
|
|
1830 |
$totalpages = $page + 2; // We don't need exact page count, just indicate that the next page exists.
|
|
|
1831 |
array_pop($items);
|
|
|
1832 |
}
|
|
|
1833 |
|
|
|
1834 |
// Build the display contents.
|
|
|
1835 |
if ($items) {
|
|
|
1836 |
$tagfeed = new core_tag\output\tagfeed();
|
|
|
1837 |
foreach ($items as $item) {
|
|
|
1838 |
context_helper::preload_from_record($item);
|
|
|
1839 |
$modinfo = get_fast_modinfo($item->courseid);
|
|
|
1840 |
$cm = $modinfo->get_cm($item->cmid);
|
|
|
1841 |
$pageurl = new moodle_url('/mod/wiki/view.php', array('pageid' => $item->id));
|
|
|
1842 |
$pagename = format_string($item->title, true, array('context' => context_module::instance($item->cmid)));
|
|
|
1843 |
$pagename = html_writer::link($pageurl, $pagename);
|
|
|
1844 |
$courseurl = course_get_url($item->courseid, $cm->sectionnum);
|
|
|
1845 |
$cmname = html_writer::link($cm->url, $cm->get_formatted_name());
|
|
|
1846 |
$coursename = format_string($item->fullname, true, array('context' => context_course::instance($item->courseid)));
|
|
|
1847 |
$coursename = html_writer::link($courseurl, $coursename);
|
|
|
1848 |
$icon = html_writer::link($pageurl, html_writer::empty_tag('img', array('src' => $cm->get_icon_url())));
|
|
|
1849 |
$tagfeed->add($icon, $pagename, $cmname.'<br>'.$coursename);
|
|
|
1850 |
}
|
|
|
1851 |
|
|
|
1852 |
$content = $OUTPUT->render_from_template('core_tag/tagfeed',
|
|
|
1853 |
$tagfeed->export_for_template($OUTPUT));
|
|
|
1854 |
|
|
|
1855 |
return new core_tag\output\tagindex($tag, 'mod_wiki', 'wiki_pages', $content,
|
|
|
1856 |
$exclusivemode, $fromctx, $ctx, $rec, $page, $totalpages);
|
|
|
1857 |
}
|
|
|
1858 |
}
|