<?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/>.

/**
 * Upgrade script for the quiz module.
 *
 * @package    mod_quiz
 * @copyright  2006 Eloy Lafuente (stronk7)
 * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
 */

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

/**
 * Quiz module upgrade function.
 * @param string $oldversion the version we are upgrading from.
 */
function xmldb_quiz_upgrade($oldversion) {
    global $CFG, $DB;
    $dbman = $DB->get_manager();


<     // Automatically generated Moodle v3.6.0 release upgrade line.
<     // Put any upgrade step following this.
< 
<     // Automatically generated Moodle v3.7.0 release upgrade line.
<     // Put any upgrade step following this.
< 
<     // Automatically generated Moodle v3.8.0 release upgrade line.
<     // Put any upgrade step following this.
< 


    // Automatically generated Moodle v3.9.0 release upgrade line.
    // Put any upgrade step following this.

    if ($oldversion < 2020061501) {

        // Define field completionminattempts to be added to quiz.
        $table = new xmldb_table('quiz');
        $field = new xmldb_field('completionminattempts', XMLDB_TYPE_INTEGER, '10', null, XMLDB_NOTNULL, null, '0',
            'completionpass');

        // Conditionally launch add field completionminattempts.
        if (!$dbman->field_exists($table, $field)) {
            $dbman->add_field($table, $field);
        }

        // Quiz savepoint reached.
        upgrade_mod_savepoint(true, 2020061501, 'quiz');
    }


<     // Automatically generated Moodle v3.10.0 release upgrade line.



>     if ($oldversion < 2021052503) {
>         $table = new xmldb_table('quiz');
>         $field = new xmldb_field('completionpass');
> 
>         if ($dbman->field_exists($table, $field)) {
>             $sql = "SELECT q.id, m.id as quizid " .
>                 "FROM {quiz} q " .
>                 "INNER JOIN {course_modules} cm ON cm.instance = q.id " .
>                 "INNER JOIN {modules} m ON m.id = cm.module " .
>                 "WHERE m.name = :name AND q.completionpass = :completionpass";
> 
>             /** @var moodle_recordset $records */
>             $records = $DB->get_recordset_sql($sql, ['name' => 'quiz', 'completionpass' => 1], 0, 1000);
>             while ($records->valid()) {
>                 $quizmodule = null;
>                 foreach ($records as $record) {
>                     $ids[] = $record->id;
>                     $quizmodule = $record->quizid;
>                 }
> 
>                 if ($ids) {
>                     list($insql, $params) = $DB->get_in_or_equal($ids, SQL_PARAMS_NAMED);
>                     $DB->set_field_select('course_modules', 'completionpassgrade', 1,
>                         "module = :quiz AND instance $insql", $params + ['quiz' => $quizmodule]);
> 
>                     // Reset the value so it doesn't get picked on the next run. The field will be dropped later.
>                     $DB->set_field_select('quiz', 'completionpass', 0, "id $insql", $params);
> 
>                     // Get the next batch of records.
>                     $records = $DB->get_recordset_sql($sql, ['name' => 'quiz', 'completionpass' => 1], 0, 1000);
>                 }
>             }
>             $records->close();
> 
>             // We have completed our checks. Drop the field.
>             if ($dbman->field_exists($table, $field)) {
>                 $dbman->drop_field($table, $field);
>             }
>         }
> 
>         upgrade_mod_savepoint(true, 2021052503, 'quiz');
>     }
> 
>     if ($oldversion < 2021101900) {
> 
>         // Define field gradednotificationsenttime to be added to quiz_attempts.
>         $table = new xmldb_table('quiz_attempts');
>         $field = new xmldb_field('gradednotificationsenttime', XMLDB_TYPE_INTEGER, '10', null, null, null, null, 'sumgrades');
> 
>         // Conditionally launch add field gradednotificationsenttime.
>         if (!$dbman->field_exists($table, $field)) {
>             $dbman->add_field($table, $field);
> 
>             $DB->execute('UPDATE {quiz_attempts} SET gradednotificationsenttime = timefinish');
>         }
> 
>         // Quiz savepoint reached.
>         upgrade_mod_savepoint(true, 2021101900, 'quiz');
>     }
> 
>     if ($oldversion < 2022020300) {
>         // Define table quiz_slot_tags to be dropped.
>         $table = new xmldb_table('quiz_slot_tags');
> 
>         // Conditionally launch drop table for quiz_slot_tags.
>         if ($dbman->table_exists($table)) {
>             $dbman->drop_table($table);
>         }
> 
>         // Define fields to be dropped from quiz_slots.
>         $table = new xmldb_table('quiz_slots');
> 
>         // Define key questionid (foreign) to be dropped form quiz_slots.
>         $key = new xmldb_key('questionid', XMLDB_KEY_FOREIGN, ['questionid'], 'question', ['id']);
> 
>         // Launch drop key questionid.
>         $dbman->drop_key($table, $key);
> 
>         // Define key questioncategoryid (foreign) to be dropped form quiz_slots.
>         $key = new xmldb_key('questioncategoryid', XMLDB_KEY_FOREIGN, ['questioncategoryid'], 'question_categories', ['id']);
> 
>         // Launch drop key questioncategoryid.
>         $dbman->drop_key($table, $key);
> 
>         $field = new xmldb_field('questionid');
>         // Conditionally launch drop field questionid.
>         if ($dbman->field_exists($table, $field)) {
>             $dbman->drop_field($table, $field);
>         }
> 
>         $field = new xmldb_field('questioncategoryid');
>         // Conditionally launch drop field questioncategoryid.
>         if ($dbman->field_exists($table, $field)) {
>             $dbman->drop_field($table, $field);
>         }
> 
>         $field = new xmldb_field('includingsubcategories');
>         // Conditionally launch drop field includingsubcategories.
>         if ($dbman->field_exists($table, $field)) {
>             $dbman->drop_field($table, $field);
>         }
> 
>         // Quiz savepoint reached.
>         upgrade_mod_savepoint(true, 2022020300, 'quiz');
>     }
> 
>     // Automatically generated Moodle v4.0.0 release upgrade line.


    // Put any upgrade step following this.


<     // Automatically generated Moodle v3.11.0 release upgrade line.



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


    // Put any upgrade step following this.

    return true;
}