app/DoctrineMigrations/Version20170511115400.php


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<?php

namespace Application\Migrations;

use Doctrine\DBAL\Migrations\AbstractMigration;
use Doctrine\DBAL\Schema\Schema;
use Symfony\Component\DependencyInjection\ContainerAwareInterface;
use Symfony\Component\DependencyInjection\ContainerInterface;

/**
 * Added `headers` field in entry table.
 */
class Version20170511115400 extends AbstractMigration implements ContainerAwareInterface
{
    /**
     * @var ContainerInterface
     */
    private $container;

    public function setContainer(ContainerInterface $container = null)
    {
        $this->container = $container;
    }

    /**
     * @param Schema $schema
     */
    public function up(Schema $schema)
    {
        $entryTable = $schema->getTable($this->getTable('entry'));

        $this->skipIf($entryTable->hasColumn('headers'), 'It seems that you already played this migration.');

        $entryTable->addColumn('headers', 'text', [
            'notnull' => false,
        ]);
    }

    /**
     * @param Schema $schema
     */
    public function down(Schema $schema)
    {
        $entryTable = $schema->getTable($this->getTable('entry'));

        $this->skipIf(!$entryTable->hasColumn('headers'), 'It seems that you already played this migration.');

        $entryTable->dropColumn('headers');
    }

    private function getTable($tableName)
    {
        return $this->container->getParameter('database_table_prefix') . $tableName;
    }
}