smeserver-dmarc-srg/root/opt/dmarc-srg/classes/Database/DatabaseUpgrader.php

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2023-06-21 15:19:40 +02:00
<?php
/**
* dmarc-srg - A php parser, viewer and summary report generator for incoming DMARC reports.
* Copyright (C) 2020 Aleksey Andreev (liuch)
*
* Available at:
* https://github.com/liuch/dmarc-srg
*
* 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 3 of the License.
*
* This program 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
* this program. If not, see <http://www.gnu.org/licenses/>.
*/
namespace Liuch\DmarcSrg\Database;
use PDO;
use Exception;
use Liuch\DmarcSrg\Settings\SettingString;
class DatabaseUpgrader
{
public static function go()
{
$ver = (new SettingString('version'))->value();
if ($ver == '') {
$ver = 'null';
}
while ($ver !== Database::REQUIRED_VERSION) {
if (!isset(self::$upways['ver_' . $ver])) {
throw new Exception('Upgrading failed: There is no way to upgrade from ' . $ver . ' to ' . Database::REQUIRED_VERSION, -1);
}
$um = self::$upways['ver_' . $ver];
$ver = self::$um();
}
}
private static $upways = [
'ver_null' => 'upNull',
'ver_0.1' => 'up01',
'ver_1.0' => 'up10'
];
private static function upNull()
{
$db = Database::connection();
$db->beginTransaction();
try {
$db->query(
'INSERT INTO `' . Database::tablePrefix('system') . '` (`key`, `value`) VALUES ("version", "0.1")'
);
$db->commit();
} catch (Exception $e) {
$db->rollBack();
throw $e;
}
return '0.1';
}
private static function up01()
{
$db = Database::connection();
$db->beginTransaction();
try {
$dom_tn = Database::tablePrefix('domains');
if (!self::columnExists($db, $dom_tn, 'active')) {
$db->query('ALTER TABLE `' . $dom_tn . '` ADD COLUMN `active` boolean NOT NULL AFTER `fqdn`');
}
if (!self::columnExists($db, $dom_tn, 'created_time')) {
$db->query('ALTER TABLE `' . $dom_tn . '` ADD COLUMN `created_time` datetime NOT NULL');
}
if (!self::columnExists($db, $dom_tn, 'updated_time')) {
$db->query('ALTER TABLE `' . $dom_tn . '` ADD COLUMN `updated_time` datetime NOT NULL');
}
$db->query('UPDATE `' . $dom_tn . '` SET `active` = TRUE, `created_time` = NOW(), `updated_time` = NOW()');
$db->query('UPDATE `' . Database::tablePrefix('system') . '` SET `value` = "1.0" WHERE `key` = "version"');
$db->commit();
} catch (Exception $e) {
$db->rollBack();
throw $e;
}
return '1.0';
}
private static function up10()
{
$db = Database::connection();
$db->beginTransaction();
try {
$sys_tn = Database::tablePrefix('system');
$db->query('ALTER TABLE `' . $sys_tn . '` MODIFY COLUMN `key` varchar(64) NOT NULL');
$db->query('UPDATE `' . $sys_tn . '` SET `value` = "2.0" WHERE `key` = "version"');
$db->commit();
} catch (Exception $d) {
$db->rollBack();
throw $e;
}
return '2.0';
}
private static function columnExists($db, $table, $column)
{
$st = $db->prepare('SELECT NULL FROM `INFORMATION_SCHEMA`.`COLUMNS` WHERE `table_schema` = ? AND `table_name` = ? AND `column_name` = ?');
$st->bindValue(1, Database::name(), PDO::PARAM_STR);
$st->bindValue(2, $table, PDO::PARAM_STR);
$st->bindValue(3, $column, PDO::PARAM_STR);
$st->execute();
$res = $st->fetch(PDO::FETCH_NUM);
$st->closeCursor();
return $res ? true : false;
}
}