/**
* Prepare data for the notification.
*
* @param Transition $transition Current transition.
* @param Item $item Workflow item.
* @param Context $context Transition context.
*
* @return array
*/
private function prepareData(Transition $transition, Item $item, Context $context)
{
$entity = $this->getEntity($item);
$step = $transition->getStepTo();
$tokens = array();
$tokens['entity'] = $entity->getPropertiesAsArray();
$tokens['context'] = $context->getProperties();
$tokens['entityId'] = (string) $item->getEntityId();
$tokens['transition'] = $transition->getConfig();
$tokens['transition']['name'] = $transition->getName();
$tokens['transition']['label'] = $transition->getLabel();
$tokens['step'] = $step->getConfig();
$tokens['step']['name'] = $step->getName();
$tokens['step']['label'] = $step->getLabel();
$event = new PrepareNotificationTokensEvent(new \ArrayObject($tokens), $transition, $item);
$this->eventDispatcher->dispatch($event::NAME, $event);
return $event->getTokens()->getArrayCopy();
}
