Migrations/Schema/v1_0/BPCalendarBundle.php

<?php

namespace BP\CalendarBundle\Migrations\Schema\v1_0;

use Doctrine\DBAL\Schema\Schema;
use Oro\Bundle\EntityExtendBundle\Migration\Extension\ExtendExtension;
use Oro\Bundle\EntityExtendBundle\Migration\Extension\ExtendExtensionAwareInterface;
use Oro\Bundle\MigrationBundle\Migration\Migration;
use Oro\Bundle\MigrationBundle\Migration\QueryBag;
use Oro\Bundle\EntityExtendBundle\EntityConfig\ExtendScope;

class BPCalendarBundle implements Migration, ExtendExtensionAwareInterface
{
    protected $extendExtension;

    public function setExtendExtension(ExtendExtension $extendExtension)
    {
        $this->extendExtension = $extendExtension;
    }

    public function up(Schema $schema, QueryBag $queries)
    {
        $table = $schema->getTable('oro_calendar_event');

        $this->extendExtension->addManyToOneRelation(
            $schema,
            $table,
            'contact',
            'orocrm_contact',
            'id',
            [
                'extend' => ['owner' => ExtendScope::OWNER_CUSTOM]
            ]
        );

        $this->extendExtension->addEnumField(
            $schema,
            $table,
            'type',
            'calendar_event_type',
            false,
            false,
            [
                'extend' => ['owner' => ExtendScope::OWNER_CUSTOM]
            ]
        );
    }
}