/**
* Command handler
*
* @param KCommandInterface $command The command
* @param KCommandChainInterface $chain The chain executing the command
* @return mixed|null If a handler breaks, returns the break condition. NULL otherwise.
*/
public function execute(KCommandInterface $command, KCommandChainInterface $chain)
{
$type = '';
$package = '';
$subject = '';
if ($command->getSubject()) {
$identifier = $command->getSubject()->getIdentifier()->toArray();
$package = $identifier['package'];
if ($identifier['path']) {
$type = array_shift($identifier['path']);
$subject = $identifier['name'];
} else {
$type = $identifier['name'];
}
}
$parts = explode('.', $command->getName());
$when = array_shift($parts);
// Before or After
$name = KStringInflector::implode($parts);
// Read Dispatch Select etc.
// Create Specific and Generic event names
$event_specific = 'on' . ucfirst($when) . ucfirst($package) . ucfirst($subject) . ucfirst($type) . $name;
$event_generic = 'on' . ucfirst($when) . ucfirst($type) . $name;
// Clone the context
if ($this->_immutable) {
$event = clone $command;
} else {
$event = $command;
}
// Create event object to check for propagation
$event = $this->getEventPublisher()->publishEvent($event_specific, $event->getAttributes(), $event->getSubject());
// Ensure event can be propagated and event name is different
if ($event->canPropagate() && $event_specific != $event_generic) {
$event->setName($event_generic);
$this->getEventPublisher()->publishEvent($event);
}
}
/**
* Get the activity subject.
*
* The activity subject is the identifier of the object that executes the action.
*
* @param KCommandInterface $command The command.
* @return KObjectIdentifier The activity subject.
*/
public function getActivitySubject(KCommandInterface $command)
{
return $command->getSubject()->getIdentifier();
}
