<?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/>.

/**
 * Essay question type upgrade code.
 *
 * @package    qtype
 * @subpackage essay
 * @copyright  2011 The Open University
 * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
 */

defined('MOODLE_INTERNAL') || die();

/**
 * Upgrade code for the essay question type.
 * @param int $oldversion the version we are upgrading from.
 */
function xmldb_qtype_essay_upgrade($oldversion) {

<     global $CFG;



>     global $CFG, $DB;




<     // Automatically generated Moodle v3.5.0 release upgrade line.
<     // Put any upgrade step following this.



>     $dbman = $DB->get_manager();




<     // Automatically generated Moodle v3.6.0 release upgrade line.



>     // Automatically generated Moodle v3.9.0 release upgrade line.


    // Put any upgrade step following this.


<     // Automatically generated Moodle v3.7.0 release upgrade line.
<     // Put any upgrade step following this.



>     if ($oldversion < 2021052501) {
> 
>         // Define field maxbytes to be added to qtype_essay_options.
>         $table = new xmldb_table('qtype_essay_options');
>         $field = new xmldb_field('maxbytes', XMLDB_TYPE_INTEGER, '10', null,
>             XMLDB_NOTNULL, null, '0', 'responsetemplateformat');
> 
>         // Conditionally launch add field maxbytes.
>         if (!$dbman->field_exists($table, $field)) {
>             $dbman->add_field($table, $field);
>         }
> 
>         // Essay savepoint reached.
>         upgrade_plugin_savepoint(true, 2021052501, 'qtype', 'essay');
>     }
> 
>     if ($oldversion < 2021052502) {




<     // Automatically generated Moodle v3.8.0 release upgrade line.



>         // Define field minwordlimit to be added to qtype_essay_options.
>         $table = new xmldb_table('qtype_essay_options');
>         $field = new xmldb_field('minwordlimit', XMLDB_TYPE_INTEGER, '10', null, null, null, null, 'responsefieldlines');
> 
>         // Conditionally launch add field minwordlimit.
>         if (!$dbman->field_exists($table, $field)) {
>             $dbman->add_field($table, $field);
>         }
> 
>         // Define field maxwordlimit to be added to qtype_essay_options.
>         $table = new xmldb_table('qtype_essay_options');
>         $field = new xmldb_field('maxwordlimit', XMLDB_TYPE_INTEGER, '10', null, null, null, null, 'minwordlimit');
> 
>         // Conditionally launch add field maxwordlimit.
>         if (!$dbman->field_exists($table, $field)) {
>             $dbman->add_field($table, $field);
>         }
> 
>         // Essay savepoint reached.
>         upgrade_plugin_savepoint(true, 2021052502, 'qtype', 'essay');
>     }
> 
>     // Automatically generated Moodle v4.0.0 release upgrade line.


    // Put any upgrade step following this.


<     // Automatically generated Moodle v3.9.0 release upgrade line.



>     // Automatically generated Moodle v4.1.0 release upgrade line.


    // Put any upgrade step following this.

    return true;
}