public function enrich(CommandInterface $command)
{
$metadata = new Metadata($command->getMetadata());
foreach ($this->items as $metadata_enricher) {
$metadata = $metadata_enricher->enrich($metadata);
}
return $command->withMetadata($metadata);
}
protected function checkoutOrCreateAggregateRoot(CommandInterface $command)
{
if ($command instanceof AggregateRootCommandInterface) {
$aggregate_root = $this->getUnitOfWork()->checkout($command->getAggregateRootIdentifier());
} elseif ($command instanceof CreateAggregateRootCommand) {
$aggregate_root = $this->getUnitOfWork()->create();
} else {
throw new RuntimeError(sprintf('Unable to load an aggregate-root for the given command: %s', $command));
}
return $aggregate_root;
}
public function post(CommandInterface $command)
{
$command_type = $command->getType();
if (!$this->subscriptions->hasKey($command_type)) {
return false;
}
$subscription = $this->subscriptions->getItem($command_type);
$transport = $subscription->getCommandTransport();
$enriched_command = $this->command_enricher->enrich($command);
return $transport->send($enriched_command);
}
/**
* Process the given aggregate-command, hence build the corresponding aggregate-event.
*
* @param CommandInterface $command
* @param array $custom_event_state
*
* @return EmbeddedEntityEventInterface
*/
protected function processEmbeddedEntityCommand(CommandInterface $command, array $custom_event_state = [])
{
$event_class = $command->getEventClass();
$attribute_name = $command->getParentAttributeName();
$event_state = ['parent_attribute_name' => $attribute_name, 'embedded_entity_type' => $command->getEmbeddedEntityType()];
if ($command instanceof RemoveEmbeddedEntityCommand) {
$event_state['embedded_entity_identifier'] = $command->getEmbeddedEntityIdentifier();
} elseif ($command instanceof AddEmbeddedEntityCommand) {
$create_data = $command->getValues();
if (!isset($create_data['identifier'])) {
$create_data['identifier'] = UuidAttribute::generateVersion4();
}
$event_state = array_merge($event_state, ['data' => $create_data, 'position' => $command->getPosition(), 'embedded_entity_identifier' => $create_data['identifier']]);
} elseif ($command instanceof ModifyEmbeddedEntityCommand) {
$event_state = array_merge($event_state, ['data' => $command->getValues(), 'position' => $command->getPosition(), 'embedded_entity_identifier' => $command->getEmbeddedEntityIdentifier()]);
}
$embedded_entity_events = new EmbeddedEntityEventList();
foreach ($command->getEmbeddedEntityCommands() as $embedded_command) {
$embedded_entity_events->push($this->processEmbeddedEntityCommand($embedded_command));
}
$event_state['embedded_entity_events'] = $embedded_entity_events;
return new $event_class($event_state);
}
public function send(CommandInterface $command)
{
$this->job_service->dispatch(new ExecuteCommandJob($this->command_bus, ['command' => $command]), new Settings(['routing_key' => $this->queue_name ?: $command->getType(), 'exchange' => $this->exchange]));
}
