CultuurNet\UDB3\Organizer\Events\WebsiteUniqueConstraintService

Complexity

Total Complexity

5

Size/Duplication

Total Lines	33
Duplicated Lines	0 %

Coupling/Cohesion

Components	0
Dependencies	2

Importance

Changes

0

3 Methods

Rating	Name	Duplication	Size	Complexity
A	hasUniqueConstraint()	0	5	2
A	needsUpdateUniqueConstraint()	0	4	1
A	getUniqueConstraintValue()	0	10	2

<?php

namespace CultuurNet\UDB3\Organizer\Events;

use Broadway\Domain\DomainMessage;
use CultuurNet\UDB3\EventSourcing\DBAL\UniqueConstraintServiceInterface;
use ValueObjects\StringLiteral\StringLiteral;

class WebsiteUniqueConstraintService implements UniqueConstraintServiceInterface
{
    /**
     * @inheritdoc
     */
    public function hasUniqueConstraint(DomainMessage $domainMessage)
    {
        return $domainMessage->getPayload() instanceof OrganizerCreatedWithUniqueWebsite ||
            $domainMessage->getPayload() instanceof WebsiteUpdated;
    }

    /**
     * @inheritdoc
     */
    public function needsUpdateUniqueConstraint(DomainMessage $domainMessage)
    {
        return $domainMessage->getPayload() instanceof WebsiteUpdated;
    }

    /**
     * @inheritdoc
     */
    public function getUniqueConstraintValue(DomainMessage $domainMessage)
    {
        if (!$this->hasUniqueConstraint($domainMessage)) {
            throw new \InvalidArgumentException('Given domain message has no unique constraint.');
        }

        /* @var OrganizerCreatedWithUniqueWebsite|WebsiteUpdated $payload */
        $payload = $domainMessage->getPayload();
        return new StringLiteral((string) $payload->getWebsite());
    }
}