mirror of
https://github.com/moodle/moodle.git
synced 2025-07-23 15:22:05 +02:00
90 lines
3.5 KiB
PHP
90 lines
3.5 KiB
PHP
<?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 helper functions
|
|
*
|
|
* @package mod_feedback
|
|
* @copyright 2016 Marina Glancy
|
|
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
|
|
*/
|
|
|
|
defined('MOODLE_INTERNAL') || die();
|
|
|
|
/**
|
|
* Fill new field courseid in tables feedback_completed or feedback_completedtmp
|
|
*
|
|
* @param bool $tmp use for temporary table
|
|
*/
|
|
function mod_feedback_upgrade_courseid($tmp = false) {
|
|
global $DB;
|
|
$suffix = $tmp ? 'tmp' : '';
|
|
|
|
// Part 1. Ensure that each completed record has associated values with only one courseid.
|
|
$sql = "SELECT c.id
|
|
FROM {feedback_completed$suffix} c, {feedback_value$suffix} v
|
|
WHERE c.id = v.completed
|
|
GROUP by c.id
|
|
having count(DISTINCT v.course_id) > 1";
|
|
$problems = $DB->get_fieldset_sql($sql);
|
|
foreach ($problems as $problem) {
|
|
$courses = $DB->get_fieldset_sql("SELECT DISTINCT course_id "
|
|
. "FROM {feedback_value$suffix} WHERE completed = ?", array($problem));
|
|
$firstcourse = array_shift($courses);
|
|
$record = $DB->get_record('feedback_completed'.$suffix, array('id' => $problem));
|
|
unset($record->id);
|
|
$DB->update_record('feedback_completed'.$suffix, ['id' => $problem, 'courseid' => $firstcourse]);
|
|
foreach ($courses as $courseid) {
|
|
$record->courseid = $courseid;
|
|
$completedid = $DB->insert_record('feedback_completed'.$suffix, $record);
|
|
$DB->execute("UPDATE {feedback_value$suffix} SET completed = ? WHERE completed = ? AND course_id = ?",
|
|
array($completedid, $problem, $courseid));
|
|
}
|
|
}
|
|
|
|
// Part 2. Update courseid in the completed table.
|
|
if ($DB->get_dbfamily() !== 'mysql') {
|
|
$sql = "UPDATE {feedback_completed$suffix} "
|
|
. "SET courseid = (SELECT COALESCE(MIN(v.course_id), 0) "
|
|
. "FROM {feedback_value$suffix} v "
|
|
. "WHERE v.completed = {feedback_completed$suffix}.id)";
|
|
$DB->execute($sql);
|
|
} else {
|
|
$sql = "UPDATE {feedback_completed$suffix} c, {feedback_value$suffix} v "
|
|
. "SET c.courseid = v.course_id "
|
|
. "WHERE v.completed = c.id AND v.course_id <> 0";
|
|
$DB->execute($sql);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Ensure tables feedback_value and feedback_valuetmp have unique entries for each pair (completed,item).
|
|
*
|
|
* @param bool $tmp use for temporary table
|
|
*/
|
|
function mod_feedback_upgrade_delete_duplicate_values($tmp = false) {
|
|
global $DB;
|
|
$suffix = $tmp ? 'tmp' : '';
|
|
|
|
$sql = "SELECT MIN(id) AS id, completed, item, course_id " .
|
|
"FROM {feedback_value$suffix} GROUP BY completed, item, course_id HAVING count(id)>1";
|
|
$records = $DB->get_records_sql($sql);
|
|
foreach ($records as $record) {
|
|
$DB->delete_records_select("feedback_value$suffix",
|
|
"completed = :completed AND item = :item AND course_id = :course_id AND id > :id", (array)$record);
|
|
}
|
|
}
|