Daikon\Dbal\Projector\ProjectorService

Complexity

Total Complexity

5

Size/Duplication

Total Lines	27
Duplicated Lines	0 %

Coupling/Cohesion

Components	1
Dependencies	4

Importance

Changes

0

2 Methods

Rating	Name	Duplication	Size	Complexity
A	__construct()	0	4	1
A	handle()	0	17	4

<?php

namespace Daikon\Dbal\Projector;

use Assert\Assertion;
use Daikon\Cqrs\Aggregate\AggregatePrefix;
use Daikon\Cqrs\EventStore\CommitInterface;
use Daikon\Dbal\Exception\DbalException;
use Daikon\MessageBus\EnvelopeInterface;

final class ProjectorService implements ProjectorServiceInterface
{
    private $projectorMap;

    public function __construct(ProjectorMap $projectorMap)
    {
        $this->projectorMap = $projectorMap;
    }

    public function handle(EnvelopeInterface $envelope): bool
    {
        $commit = $envelope->getMessage();
        Assertion::implementsInterface($commit, CommitInterface::class);

        foreach ($commit->getEventLog() as $domainEvent) {
            $aggregatePrefix = AggregatePrefix::fromFqcn($domainEvent->getAggregateRootClass());
            $projectors = $this->projectorMap->filterByAggregatePrefix($aggregatePrefix);
            foreach ($projectors->getIterator() as $projector) {
                if (!$projector->handle($envelope)) {
                    throw new DbalException('Projector %s failed to handle message.');
                }
            }
        }

        return true;
    }
}