public function persist($aggregateRoot)
{
$aggregateRootId = $this->identifierExtractor->extract($aggregateRoot);
$stream = new Stream(Stream\Id::fromString($aggregateRootId));
// ensure that the sequence index is set to the latest item
// TODO: we should actually use a StreamRepository to retrieve the existing stream and its index
$this->eventStore->fetchEvents($stream);
$events = $this->eventsHandler->extractUncommittedEvents($aggregateRoot);
foreach ($events as $domainEvent) {
$event = new Stream\Event(Stream\Event\Id::generate(), new Stream\Event\Payload($this->domainEventSerializer->toArray($domainEvent)), new \DateTimeImmutable(), new Metadata(['type' => get_class($domainEvent)]));
$this->eventStore->persist($stream, [$event]);
if ($this->emitter) {
$this->emitter->emit($domainEvent);
}
}
}
public function project(Snapshot $fromSnapshot = null)
{
if ($fromSnapshot instanceof Snapshot && $fromSnapshot->projectorSignature() === $this->signature()) {
$this->projection = $fromSnapshot->data();
$this->lastIndex = $fromSnapshot->index();
}
$eventSources = [];
foreach ($this->streams as $streamId) {
$stream = new Stream(Stream\Id::fromString((string) $streamId));
$eventSources = array_merge($eventSources, $this->eventStore->fetchEvents($stream));
}
$events = $this->removeProjectedEvents($this->sortEvents($this->filterEventsBasedOnSpecification($eventSources)));
// Apply event on projection
foreach ($events as $event) {
$this->applyEventOnProjection($event);
}
return $this->projection();
}
<?php use Doctrine\DBAL\DriverManager; use PhpInPractice\EventStore\Storage\Doctrine; use PhpInPractice\EventStore\Stream; require_once '../../vendor/autoload.php'; $connection = DriverManager::getConnection(['url' => 'sqlite:////tmp/es-todo.sqlite']); $storage = new Doctrine($connection); $eventStore = new \PhpInPractice\EventStore\EventStore($storage); $stream = new Stream(Stream\Id::generate());
public static function fromArray(array $data)
{
return new static(Consumer\Id::fromString($data['id']), Stream\Id::fromString($data['streamId']), Privilege::fromString($data['privilege']));
}