date.chapril.org-framadate/app/classes/Framadate/Migration/RPadVotes_from_0_8.php

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<?php
/**
* This software is governed by the CeCILL-B license. If a copy of this license
* is not distributed with this file, you can obtain one at
* http://www.cecill.info/licences/Licence_CeCILL-B_V1-en.txt
*
* Authors of STUdS (initial project): Guilhem BORGHESI (borghesi@unistra.fr) and Rapha<EFBFBD>l DROZ
* Authors of Framadate/OpenSondage: Framasoft (https://github.com/framasoft)
*
* =============================
*
* Ce logiciel est r<EFBFBD>gi par la licence CeCILL-B. Si une copie de cette licence
* ne se trouve pas avec ce fichier vous pouvez l'obtenir sur
* http://www.cecill.info/licences/Licence_CeCILL-B_V1-fr.txt
*
* Auteurs de STUdS (projet initial) : Guilhem BORGHESI (borghesi@unistra.fr) et Rapha<EFBFBD>l DROZ
* Auteurs de Framadate/OpenSondage : Framasoft (https://github.com/framasoft)
*/
namespace Framadate\Migration;
use Framadate\Utils;
/**
* This migration RPad votes from version 0.8.
* Because some votes does not have enough values for their poll.
*
* @package Framadate\Migration
* @version 0.9
*/
class RPadVotes_from_0_8 implements Migration {
function description() {
return 'RPad votes from version 0.8.';
}
function preCondition(\PDO $pdo) {
$stmt = $pdo->query('SHOW TABLES');
$tables = $stmt->fetchAll(\PDO::FETCH_COLUMN);
// Check if tables of v0.9 are presents
$diff = array_diff([Utils::table('poll'), Utils::table('slot'), Utils::table('vote'), Utils::table('comment')], $tables);
return count($diff) === 0;
}
function execute(\PDO $pdo) {
$pdo->beginTransaction();
$this->rpadVotes($pdo);
$pdo->commit();
return true;
}
private function rpadVotes($pdo) {
$pdo->exec('UPDATE '. Utils::table('vote') .' fv
INNER JOIN (
SELECT v.id, RPAD(v.choices, inn.slots_count, \'0\') new_choices
FROM '. Utils::table('vote') .' v
INNER JOIN
(SELECT s.poll_id, SUM(IFNULL(LENGTH(s.moments) - LENGTH(REPLACE(s.moments, \',\', \'\')) + 1, 1)) slots_count
FROM '. Utils::table('slot') .' s
GROUP BY s.poll_id
ORDER BY s.poll_id) inn ON inn.poll_id = v.poll_id
WHERE LENGTH(v.choices) != inn.slots_count
) computed ON fv.id = computed.id
SET fv.choices = computed.new_choices');
}
}