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moodle/mod/wiki/db/upgradelib.php

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<?php
// This file is part of Moodle - http://moodle.org/
//
// Moodle is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// Moodle is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with Moodle. If not, see <http://www.gnu.org/licenses/>.
/**
* @package mod-wiki
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
*/
function wiki_add_wiki_fields() {
global $DB;
upgrade_set_timeout();
$dbman = $DB->get_manager();
/// Define table wiki to be created
$table = new xmldb_table('wiki');
// Adding fields to wiki table
$wikitable = new xmldb_table('wiki');
// in MOODLE_20_SABLE branch, summary field is renamed as intro
// so we renamed it back to summary to keep upgrade going as moodle 1.9
$field = new xmldb_field('intro', XMLDB_TYPE_TEXT, 'medium', null, null, null, null, null);
if ($dbman->field_exists($wikitable, $field)) {
$dbman->rename_field($wikitable, $field, 'summary');
}
$dbman->add_field($wikitable, $field);
$field = new xmldb_field('introformat', XMLDB_TYPE_INTEGER, '4', XMLDB_UNSIGNED, XMLDB_NOTNULL, null, '0', null);
if (!$dbman->field_exists($wikitable, $field)) {
$dbman->add_field($wikitable, $field);
}
$field = new xmldb_field('firstpagetitle', XMLDB_TYPE_CHAR, '255', null, XMLDB_NOTNULL, null, 'First Page', null);
$dbman->add_field($wikitable, $field);
$field = new xmldb_field('wikimode', XMLDB_TYPE_CHAR, '20', null, XMLDB_NOTNULL, null, 'collaborative', null);
$dbman->add_field($wikitable, $field);
$field = new xmldb_field('defaultformat', XMLDB_TYPE_CHAR, '20', null, XMLDB_NOTNULL, null, 'creole', null);
$dbman->add_field($wikitable, $field);
$field = new xmldb_field('forceformat', XMLDB_TYPE_INTEGER, '1', XMLDB_UNSIGNED, XMLDB_NOTNULL, null, '1', null);
$dbman->add_field($wikitable, $field);
$field = new xmldb_field('scaleid', XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, XMLDB_NOTNULL, null, '0', null);
$dbman->add_field($wikitable, $field);
$field = new xmldb_field('editbegin', XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, XMLDB_NOTNULL, null, '0', null);
$dbman->add_field($wikitable, $field);
$field = new xmldb_field('editend', XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, null, null, '0', null);
$dbman->add_field($wikitable, $field);
}
/**
* Install wiki 2.0 tables
*/
function wiki_upgrade_install_20_tables() {
global $DB;
upgrade_set_timeout();
$dbman = $DB->get_manager();
/// Define table wiki_subwikis to be created
$table = new xmldb_table('wiki_subwikis');
/// Adding fields to table wiki_subwikis
$table->add_field('id', XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, XMLDB_NOTNULL, XMLDB_SEQUENCE, null);
$table->add_field('wikiid', XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, XMLDB_NOTNULL, null, '0');
$table->add_field('groupid', XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, XMLDB_NOTNULL, null, '0');
$table->add_field('userid', XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, XMLDB_NOTNULL, null, '0');
/// Adding keys to table wiki_subwikis
$table->add_key('primary', XMLDB_KEY_PRIMARY, array('id'));
$table->add_key('wikiidgroupiduserid', XMLDB_KEY_UNIQUE, array('wikiid', 'groupid', 'userid'));
$table->add_key('wikifk', XMLDB_KEY_FOREIGN, array('wikiid'), 'wiki', array('id'));
/// Conditionally launch create table for wiki_subwikis
if (!$dbman->table_exists($table)) {
$dbman->create_table($table);
}
/// Define table wiki_pages to be created
$table = new xmldb_table('wiki_pages');
/// Adding fields to table wiki_pages
$table->add_field('id', XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, XMLDB_NOTNULL, XMLDB_SEQUENCE, null);
$table->add_field('subwikiid', XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, XMLDB_NOTNULL, null, '0');
$table->add_field('title', XMLDB_TYPE_CHAR, '255', null, XMLDB_NOTNULL, null, 'title');
$table->add_field('cachedcontent', XMLDB_TYPE_TEXT, 'medium', null, XMLDB_NOTNULL, null, null);
$table->add_field('timecreated', XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, XMLDB_NOTNULL, null, '0');
$table->add_field('timemodified', XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, XMLDB_NOTNULL, null, '0');
$table->add_field('timerendered', XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, XMLDB_NOTNULL, null, '0');
$table->add_field('userid', XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, XMLDB_NOTNULL, null, '0');
$table->add_field('pageviews', XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, XMLDB_NOTNULL, null, '0');
$table->add_field('readonly', XMLDB_TYPE_INTEGER, '1', XMLDB_UNSIGNED, XMLDB_NOTNULL, null, '0');
/// Adding keys to table wiki_pages
$table->add_key('primary', XMLDB_KEY_PRIMARY, array('id'));
$table->add_key('subwikititleuser', XMLDB_KEY_UNIQUE, array('subwikiid', 'title', 'userid'));
$table->add_key('subwikifk', XMLDB_KEY_FOREIGN, array('subwikiid'), 'wiki_subwiki', array('id'));
/// Conditionally launch create table for wiki_pages
if (!$dbman->table_exists($table)) {
$dbman->create_table($table);
}
/// Define table wiki_versions to be created
$table = new xmldb_table('wiki_versions');
/// Adding fields to table wiki_versions
$table->add_field('id', XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, XMLDB_NOTNULL, XMLDB_SEQUENCE, null);
$table->add_field('pageid', XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, XMLDB_NOTNULL, null, '0');
$table->add_field('content', XMLDB_TYPE_TEXT, 'medium', null, XMLDB_NOTNULL, null, null);
$table->add_field('contentformat', XMLDB_TYPE_CHAR, '20', null, XMLDB_NOTNULL, null, 'creole');
$table->add_field('version', XMLDB_TYPE_INTEGER, '5', XMLDB_UNSIGNED, XMLDB_NOTNULL, null, '0');
$table->add_field('timecreated', XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, XMLDB_NOTNULL, null, '0');
$table->add_field('userid', XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, XMLDB_NOTNULL, null, '0');
/// Adding keys to table wiki_versions
$table->add_key('primary', XMLDB_KEY_PRIMARY, array('id'));
$table->add_key('pagefk', XMLDB_KEY_FOREIGN, array('pageid'), 'wiki_pages', array('id'));
/// Conditionally launch create table for wiki_versions
if (!$dbman->table_exists($table)) {
$dbman->create_table($table);
}
/// Define table wiki_synonyms to be created
$table = new xmldb_table('wiki_synonyms');
/// Adding fields to table wiki_synonyms
$table->add_field('id', XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, XMLDB_NOTNULL, XMLDB_SEQUENCE, null);
$table->add_field('subwikiid', XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, XMLDB_NOTNULL, null, '0');
$table->add_field('pageid', XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, XMLDB_NOTNULL, null, '0');
$table->add_field('pagesynonym', XMLDB_TYPE_CHAR, '255', null, XMLDB_NOTNULL, null, 'Pagesynonym');
/// Adding keys to table wiki_synonyms
$table->add_key('primary', XMLDB_KEY_PRIMARY, array('id'));
$table->add_key('pageidsyn', XMLDB_KEY_UNIQUE, array('pageid', 'pagesynonym'));
/// Conditionally launch create table for wiki_synonyms
if (!$dbman->table_exists($table)) {
$dbman->create_table($table);
}
/// Define table wiki_links to be created
$table = new xmldb_table('wiki_links');
/// Adding fields to table wiki_links
$table->add_field('id', XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, XMLDB_NOTNULL, XMLDB_SEQUENCE, null);
$table->add_field('subwikiid', XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, XMLDB_NOTNULL, null, '0');
$table->add_field('frompageid', XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, XMLDB_NOTNULL, null, '0');
$table->add_field('topageid', XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, XMLDB_NOTNULL, null, '0');
$table->add_field('tomissingpage', XMLDB_TYPE_CHAR, '255', null, null, null, null);
/// Adding keys to table wiki_links
$table->add_key('primary', XMLDB_KEY_PRIMARY, array('id'));
$table->add_key('frompageidfk', XMLDB_KEY_FOREIGN, array('frompageid'), 'wiki_pages', array('id'));
$table->add_key('subwikifk', XMLDB_KEY_FOREIGN, array('subwikiid'), 'wiki_subwiki', array('id'));
/// Conditionally launch create table for wiki_links
if (!$dbman->table_exists($table)) {
$dbman->create_table($table);
}
/// Define table wiki_locks to be created
$table = new xmldb_table('wiki_locks');
/// Adding fields to table wiki_locks
$table->add_field('id', XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, XMLDB_NOTNULL, XMLDB_SEQUENCE, null);
$table->add_field('pageid', XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, XMLDB_NOTNULL, null, '0');
$table->add_field('sectionname', XMLDB_TYPE_CHAR, '255', null, null, null, null);
$table->add_field('userid', XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, XMLDB_NOTNULL, null, '0');
$table->add_field('lockedat', XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, XMLDB_NOTNULL, null, '0');
/// Adding keys to table wiki_locks
$table->add_key('primary', XMLDB_KEY_PRIMARY, array('id'));
/// Conditionally launch create table for wiki_locks
if (!$dbman->table_exists($table)) {
$dbman->create_table($table);
}
}
/**
* Migrating wiki pages history
*/
function wiki_upgrade_migrate_versions() {
global $DB, $CFG, $OUTPUT;
require_once($CFG->dirroot . '/mod/wiki/db/migration/lib.php');
// need to move the binary data in db
$fs = get_file_storage();
// select all wiki pages history
$sql = "SELECT po.id AS oldpage_id, po.pagename AS oldpage_pagename, po.version, po.flags,
po.content, po.author, po.userid AS oldpage_userid, po.created, po.lastmodified, po.refs, po.meta, po.hits, po.wiki,
p.id AS newpage_id, p.subwikiid, p.title, p.cachedcontent, p.timecreated, p.timemodified AS newpage_timemodified,
p.timerendered, p.userid AS newpage_userid, p.pageviews, p.readonly, e.id AS entry_id, e.wikiid, e.course AS entrycourse,
e.groupid, e.userid AS entry_userid, e.pagename AS entry_pagename, e.timemodified AS entry_timemodified,
w.id AS wiki_id, w.course AS wiki_course, w.name, w.summary AS summary, w.pagename AS wiki_pagename, w.wtype,
w.ewikiprinttitle, w.htmlmode, w.ewikiacceptbinary, w.disablecamelcase, w.setpageflags, w.strippages, w.removepages,
w.revertchanges, w.initialcontent, w.timemodified AS wiki_timemodified,
cm.id AS cmid
FROM {wiki_pages_old} po
LEFT OUTER JOIN {wiki_entries_old} e ON e.id = po.wiki
LEFT OUTER JOIN {wiki} w ON w.id = e.wikiid
LEFT OUTER JOIN {wiki_subwikis} s ON e.groupid = s.groupid AND e.wikiid = s.wikiid AND e.userid = s.userid
LEFT OUTER JOIN {wiki_pages} p ON po.pagename = p.title AND p.subwikiid = s.id
JOIN {modules} m ON m.name = 'wiki'
JOIN {course_modules} cm ON (cm.module = m.id AND cm.instance = w.id)";
$pagesinfo = $DB->get_recordset_sql($sql, array());
foreach ($pagesinfo as $pageinfo) {
upgrade_set_timeout();
$mimetype = ewiki_mime_magic($pageinfo->content);
if (!empty($mimetype)) {
// if mimetype is not empty, means this is a file stored in db
$context = get_context_instance(CONTEXT_MODULE, $pageinfo->cmid);
// clean up file name
$filename = clean_param($pageinfo->oldpage_pagename, PARAM_FILE);
$filerecord = array('contextid' => $context->id,
'component' => 'mod_wiki',
'filearea' => 'attachments',
'itemid' => $pageinfo->subwikiid,
'filepath' => '/',
'filename' => $filename,
'userid' => $pageinfo->oldpage_userid);
if (!$fs->file_exists($context->id, 'mod_wiki', 'attachments', $pageinfo->subwikiid, '/', $pageinfo->pagename)) {
$storedfile = $fs->create_file_from_string($filerecord, $pageinfo->content);
}
// replace page content to a link point to the file
$pageinfo->content = "<a href='@@PLUGINFILE@@/$filename'>$pageinfo->oldpage_pagename</a>";
}
$oldpage = new StdClass();
$oldpage->id = $pageinfo->oldpage_id;
$oldpage->pagename = $pageinfo->oldpage_pagename;
$oldpage->version = $pageinfo->version;
$oldpage->flags = $pageinfo->flags;
$oldpage->content = $pageinfo->content;
$oldpage->author = $pageinfo->author;
$oldpage->userid = $pageinfo->oldpage_userid;
$oldpage->created = $pageinfo->created;
$oldpage->lastmodified = $pageinfo->lastmodified;
$oldpage->refs = $pageinfo->refs;
$oldpage->meta = $pageinfo->meta;
$oldpage->hits = $pageinfo->hits;
$oldpage->wiki = $pageinfo->wiki;
$page = new StdClass();
$page->id = $pageinfo->newpage_id;
$page->subwikiid = $pageinfo->subwikiid;
$page->title = $pageinfo->title;
$page->cachedcontent = $pageinfo->cachedcontent;
$page->timecreated = $pageinfo->timecreated;
$page->timemodified = $pageinfo->newpage_timemodified;
$page->timerendered = $pageinfo->timerendered;
$page->userid = $pageinfo->newpage_userid;
$page->pageviews = $pageinfo->pageviews;
$page->readonly = $pageinfo->readonly;
$entry = new StdClass();
$entry->id = $pageinfo->entry_id;
$entry->wikiid = $pageinfo->wikiid;
$entry->course = $pageinfo->entrycourse;
$entry->groupid = $pageinfo->groupid;
$entry->userid = $pageinfo->entry_userid;
$entry->pagename = $pageinfo->entry_pagename;
$entry->timemodified = $pageinfo->entry_timemodified;
$wiki = new StdClass();
$wiki->id = $pageinfo->wiki_id;
$wiki->course = $pageinfo->wiki_course;
$wiki->name = $pageinfo->name;
$wiki->summary = $pageinfo->summary;
$wiki->pagename = $pageinfo->wiki_pagename;
$wiki->wtype = $pageinfo->wtype;
$wiki->ewikiprinttitle = $pageinfo->ewikiprinttitle;
$wiki->htmlmode = $pageinfo->htmlmode;
$wiki->ewikiacceptbinary = $pageinfo->ewikiacceptbinary;
$wiki->disablecamelcase = $pageinfo->disablecamelcase;
$wiki->setpageflags = $pageinfo->setpageflags;
$wiki->strippages = $pageinfo->strippages;
$wiki->removepages = $pageinfo->removepages;
$wiki->revertchanges = $pageinfo->revertchanges;
$wiki->initialcontent = $pageinfo->initialcontent;
$wiki->timemodified = $pageinfo->wiki_timemodified;
$version = new StdClass();
$version->pageid = $page->id;
// convert wiki content to html format
$version->content = wiki_ewiki_2_html($entry, $oldpage, $wiki);
$version->contentformat = 'html';
$version->version = $oldpage->version;
$version->timecreated = $oldpage->lastmodified;
$version->userid = $oldpage->userid;
if ($version->version == 1) {
// The oldest version of page in moodle 2.0 is 0 which has empty content
// so we need to insert an extra record
try {
$content = $version->content;
$version->version = 0;
$version->content = '';
$DB->insert_record('wiki_versions', $version);
$version->version = 1;
$version->content = $content;
$DB->insert_record('wiki_versions', $version);
} catch (dml_exception $e) {
debugging($e->getMessage());
}
} else {
try {
$DB->insert_record('wiki_versions', $version);
} catch (dml_exception $e) {
debugging($e->getMessage());
}
}
}
$pagesinfo->close();
}
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