/**
* @return JsonModel
*/
public function getList()
{
$previousEventId = $this->params()->fromQuery('previousEventId');
$count = $this->params()->fromQuery('count', 10);
if ($previousEventId) {
$previousEventId = Uuid::fromString($previousEventId);
}
$iterator = $this->eventStore->iterate($previousEventId);
$selfUrl = $this->url()->fromRoute(null, [], ['force_canonical' => true], true);
$nextUrl = false;
$lastEventId = $previousEventId;
$events = [];
$i = 0;
/** @var EventMessageInterface $event */
foreach ($iterator as $event) {
if ($i >= $count) {
break;
}
$events[] = $event;
$i++;
$lastEventId = $event->getId()->toString();
}
$nextUrl = $this->url()->fromRoute(null, [], ['force_canonical' => true, 'query' => ['previousEventId' => (string) $lastEventId]], true);
$data = ['_links' => ['self' => $selfUrl, 'next' => $nextUrl], 'count' => count($events), '_embedded' => ['event' => array_values($events)]];
return new JsonModel($data);
}
/**
* @return Generator
*/
public function getIterator()
{
$eventIterator = $this->eventStore->iterate($this->lastEventId);
/** @var EventMessageInterface $event */
foreach ($eventIterator as $event) {
$this->lastEventId = $event->getId();
(yield $event);
}
}
/**
* @param EventMessageInterface[] $events
*/
protected function dispatchEvents(array $events)
{
foreach ($events as $event) {
if ($this->eventStore) {
$this->eventStore->store($event);
}
$this->eventBus->publish($event);
}
}
/**
* @param AggregateRootInterface $aggregate
* @return void
*/
public function save(AggregateRootInterface $aggregate)
{
/** @var Uuid $id */
$id = $aggregate->getId();
/** @var array $events */
$events = $aggregate->pullUncommittedEvents();
try {
/** @var EventStream $stream */
$stream = $this->eventStore->get($id);
$stream->addEvents($events);
} catch (EventStreamNotFoundException $e) {
$stream = new EventStream($aggregate->getId(), get_class($aggregate), $events, 1);
}
$this->eventStore->commit($stream);
/** @var EventInterface $event */
foreach ($events as $event) {
$this->eventBus->handle($event);
}
}
/**
* @param null|UuidInterface $previousEventId
* @return Traversable
*/
public function iterate(UuidInterface $previousEventId = null)
{
return $this->eventStore->iterate($previousEventId);
}