Sylius migrations class for PR #986

SyliusMigrations986.php

<?php
 
/*
 * Copyright (c) 2014 Patrik Karisch
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is furnished
 * to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in all
 * copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 * THE SOFTWARE.
 */
 
namespace Application\Migrations;
 
use Doctrine\DBAL\Migrations\AbstractMigration;
use Doctrine\DBAL\Schema\Schema;
 
/**
 * Migrations for PR #986
 * 
 * @author Patrik Karisch <patrik.karisch@abimus.com>
 */
class VersionYYYYMMDDHHMMSS extends AbstractMigration
{
    public function up(Schema $schema)
    {
        $this->abortIf($this->connection->getDatabasePlatform()->getName() != "mysql", "Migration can only be executed safely on 'mysql'.");
 
        $this->addSql("ALTER TABLE sylius_inventory_unit DROP FOREIGN KEY FK_4A2769868D9F6D38");
        $this->addSql("DROP INDEX IDX_4A2769868D9F6D38 ON sylius_inventory_unit");
        $this->addSql("ALTER TABLE sylius_inventory_unit ADD order_item_id INT NOT NULL AFTER order_id");
 
        $this->addSql("UPDATE sylius_inventory_unit AS u " .
                "INNER JOIN (SELECT id, order_id, variant_id FROM sylius_order_item) AS i " .
                "ON u.order_id = i.order_id AND u.stockable_id = i.variant_id " .
            "SET u.order_item_id = i.id"
        );
 
        $this->addSql("ALTER TABLE sylius_inventory_unit ADD CONSTRAINT FK_4A276986E415FB15 FOREIGN KEY (order_item_id) REFERENCES sylius_order_item (id)");
        $this->addSql("CREATE INDEX IDX_4A276986E415FB15 ON sylius_inventory_unit (order_item_id)");
        $this->addSql("ALTER TABLE sylius_inventory_unit DROP order_id");
    }
 
    public function down(Schema $schema)
    {
        $this->throwIrreversibleMigrationException("How dare you to migrate down to an unknown development state?");
    }
}