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<?php
/**
* Wikiversion.php
*
* This program 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 2 of
* the License, or (at your option) any later version.
*
* @author Rasmus Fuhse <fuhse@data-quest.de>
* @copyright 2023 Stud.IP Core-Group
* @license http://www.gnu.org/licenses/gpl-2.0.html GPL version 2
* @category Stud.IP
*
* @property string page_id database column
* @property string id alias column for user_id
* @property string last_lifesign computed column read/write
*/
class WikiVersion extends SimpleORMap
{
protected static function configure($config = [])
{
$config['db_table'] = 'wiki_versions';
$config['belongs_to']['page'] = [
'class_name' => WikiPage::class,
'foreign_key' => 'page_id'
];
$config['belongs_to']['user'] = [
'class_name' => User::class,
'foreign_key' => 'user_id'
];
$config['additional_fields']['predecessor'] = [
'get' => function ($version) {
return static::findOneBySQL('`page_id` = :page_id AND `mkdate` < :version_time ORDER BY `mkdate` DESC LIMIT 1', [
'page_id' => $version['page_id'],
'version_time' => $version['mkdate']
]);
}
];
$config['additional_fields']['successor'] = [
'get' => function ($version) {
$newer_version = static::findOneBySQL('`page_id` = :page_id AND `mkdate` > :version_time ORDER BY `mkdate` ASC LIMIT 1', [
'page_id' => $version['page_id'],
'version_time' => $version['mkdate']
]);
return $newer_version ?? $version->page;
}
];
$config['additional_fields']['versionnumber'] = [
'get' => function ($version) {
$i = 1;
foreach (array_reverse($version->page->versions->getArrayCopy()) as $v) {
if ($v->id === $version->id) {
return $i;
}
$i++;
}
return null;
}
];
parent::configure($config);
}
}
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