Symfony Event Listener - php

Question

Hi I'm tring to do a Symfony event listener following this documentation:
http://symfony.com/doc/2.8/cookbook/doctrine/event_listeners_subscribers.html
<?php
namespace FM\AppBundle\EventListener;
use Doctrine\ORM\Event\LifecycleEventArgs;
use FM\AdminBundle\Entity\Address\BillingAddress;
class BillingAdressListener
{
/**
* #param LifecycleEventArgs $args
*/
public function listenBillingAdress(LifecycleEventArgs $args)
{
$entity = $args->getEntity();
if(!$entity instanceof BillingAddress){
return;
}
$this->postPersist($args);
}
/**
* #param LifecycleEventArgs $args
*/
public function postPersist(LifecycleEventArgs $args)
{
$em = $args->getEntityManager();
$billingAdress = $args->getEntity();
dump($billingAdress); die();
}
}
service.yml
billing_adress.listener:
class: FM\AppBundle\EventListener\BillingAdressListener
tags:
- { name: doctrine.event_listener, event: listenBillingAdress }
But nothing is happening when I'm submitting a form with the BillingAddress object.
Did I do something wrong?

Answer 1

It's called Entity Listeners in Doctrine. Here is documentation.
Don't forget to add your entity listener in mapping. For example xml mapping:
<entity name="AppBundle\Entity\AssignmentAttempt" table="app_assignment_attempt" >
<entity-listeners>
<entity-listener class="AppBundle\EntityListener\AssignmentAttemptListener">
<lifecycle-callback type="prePersist" method="prePersist"/>
<lifecycle-callback type="preUpdate" method="preUpdate"/>
</entity-listener>
</entity-listeners>
<!-- Rest mapping -->
</entity>
In config you can simply add
app.entity_listener.assignment_attempt:
class: AppBundle\EntityListener\AssignmentAttemptListener
tags:
- { name: doctrine.orm.entity_listener }

Answer 2

My bad, I was not doing a Persist but an Update.
It works with an Persist.
Here is my code now:
<?php
namespace FM\AppBundle\EventListener;
use Doctrine\ORM\Event\LifecycleEventArgs;
use FM\AdminBundle\Entity\Address\BillingAddress;
class BillingAddressListener
{
/**
* #param LifecycleEventArgs $args
*/
public function prePersist(LifecycleEventArgs $args)
{
$entity = $args->getEntity();
if(!$entity instanceof BillingAddress){
return;
}
$this->addNameToUser($args);
}
/**
* #param LifecycleEventArgs $args
*/
public function addNameToUser(LifecycleEventArgs $args)
{
/** #var BillingAddress $billingAdress */
$billingAdress = $args->getEntity();
$user = $billingAdress->getOwner();
if(empty($user->getFirstName())) $user->setFirstName($billingAdress->getFirstName());
if(empty($user->getLastName())) $user->setLastName($billingAdress->getLastName());
}
}
And I have to call the prePersist method.
I was doing the contrary.
billing_address.listener:
class: FM\AppBundle\EventListener\BillingAddressListener
tags:
- { name: doctrine.event_listener, event: prePersist }