<?php
namespace ElementorPro\Modules\Forms\Submissions\Database;
use Elementor\Core\Base\Base_Object;
use Elementor\Core\Utils\Collection;
class Migration extends Base_Object {
const OPTION_DB_VERSION = 'elementor_submissions_db_version';
// This version must be updated when new migration created.
const CURRENT_DB_VERSION = 5;
private static $migrations = [
1 => Migrations\Initial::class,
// It jumps from version 1 to 4 because some users already migrated the DB when the migrations system worked with the Elementor Pro version
// when the int value of the version "3.2.0" was 3.
4 => Migrations\Referer_Extra::class,
5 => Migrations\Fix_Indexes::class,
];
/**
* Checks if there is a need to run migrations.
*/
public static function install() {
$installed_version = intval( get_option( self::OPTION_DB_VERSION ) );
// Up to date. Nothing to do.
if ( static::CURRENT_DB_VERSION <= $installed_version ) {
return;
}
global $wpdb;
( new Collection( static::$migrations ) )
->filter( function ( $_, $version ) use ( $installed_version ) {
// Filter all the migrations that already done.
return $version > $installed_version;
} )
->map( function ( $migration_class_name, $version ) use ( $wpdb ) {
/** @var Migrations\Base_Migration $migration */
$migration = new $migration_class_name( $wpdb );
$migration->run();
// In case some migration failed it updates version every migration.
update_option( static::OPTION_DB_VERSION, $version );
} );
update_option( static::OPTION_DB_VERSION, self::CURRENT_DB_VERSION );
}
}