public function listen(array $commandHandlers)
{
$this->init();
$callback = function ($req) use($commandHandlers) {
$command = $this->serializer->deserialize(json_decode($req->body, true));
foreach ($commandHandlers as $commandHandler) {
if ($this->hasHandleMethodFor($commandHandler, $command)) {
try {
$commandHandler->handle($command);
$message = json_encode(['status' => 'succes']);
} catch (\Exception $e) {
$message = json_encode(['status' => 'error', 'message' => $e->getMessage()]);
}
$msg = new AMQPMessage((string) $message, array('correlation_id' => $req->get('correlation_id')));
$req->delivery_info['channel']->basic_publish($msg, '', $req->get('reply_to'));
}
}
$req->delivery_info['channel']->basic_ack($req->delivery_info['delivery_tag']);
};
$this->channel->basic_consume($this->queueName, '', false, false, false, false, $callback);
while (count($this->channel->callbacks)) {
$this->channel->wait();
}
$this->channel->close();
$this->connection->close();
}
/**
* @return ReadModelInterface[]
*/
public function findAll()
{
$statement = $this->connection->prepare(sprintf('SELECT serialized FROM %s WHERE class = :class', static::TABLE));
$statement->execute(['class' => $this->class]);
return array_map(function ($row) {
return $this->serializer->deserialize(json_decode($row['serialized'], true));
}, $statement->fetchAll(\PDO::FETCH_ASSOC));
}
/**
* @param string $message
*
* @return DomainMessage
*/
private function deserializeDomainMessage($message)
{
return $this->serializer->deserialize(json_decode($message, true));
}
/**
* Deserialize json after it's been converted to associated arrays
*/
private function deserialize($json)
{
return $this->serializer->deserialize(json_decode($json, true));
}
/**
* @param $result
*
* @return array
*/
private function deserialize($result)
{
return $this->serializer->deserialize($result);
}
/**
* @param $row
* @return DomainMessage
*/
protected function deserializeEvent($row)
{
$metadata = json_decode($row['metadata'], true);
$payload = json_decode($row['payload'], true);
return new DomainMessage($row['uuid'], $row['playhead'], $this->metadataSerializer->deserialize($metadata, $metadata['payload']), $this->payloadSerializer->deserialize($payload, $payload['payload']), DateTime::fromString($row['recorded_on']));
}
/**
* @param array $serializedObject
*
* @return DomainMessage
*/
public function deserialize(array $serializedObject)
{
return new DomainMessage($serializedObject['id'], $serializedObject['playhead'], $this->metadataSerializer->deserialize($serializedObject['metadata']), $this->payloadSerializer->deserialize($serializedObject['payload']), DateTime::fromString($serializedObject['recordedOn']));
}
