Symfony2 relationship between two entities - php

Question

I want to make a relationship between two entities but for some reason I am getting NULL on one of the values...
So in my skin entity I have an email_registration_id field with the relationship :
/**
* #ORM\ManyToOne(targetEntity="Project\UserBundle\Entity\Email")
* #ORM\JoinColumn(name="email_registration_id", referencedColumnName="id")
*/
protected $email_registration_id;
/**
* Set email_registration_id
*
* #param \Project\UserBundle\Entity\Email $email_registration_id
* #return Skin
*/
public function setEmailRegistrationId(\Project\UserBundle\Entity\Email $email_registration_id = null)
{
$this->email_registration_id = $email_registration_id;
return $this;
}
/**
* Get email_registration_id
*
* #return \Project\UserBundle\Entity\Email
*/
public function getEmailRegistrationId()
{
return $this->email_registration_id;
}
And this is the Email entity:
/**
* Project\UserBundle\Entity\Email
*
* #ORM\Entity
* #ORM\Table(name="email")
*/
class Email {
/**
* #var integer $id
*
* #ORM\Column(name="id", type="integer")
* #ORM\Id
* #ORM\GeneratedValue(strategy="AUTO")
*/
protected $id;
/**
* #var string $title
*
* #ORM\Column(name="title", type="string")
*/
protected $title;
/**
* #var string $registration_content
*
* #ORM\Column(name="registration_content", type="string")
*/
protected $registration_content;
/**
* #var string $confirmation_apuestas
*
* #ORM\Column(name="confirmation_apuestas", type="string")
*/
protected $confirmation_apuestas;
/**
* Get id
*
* #return integer
*/
public function getId()
{
return $this->id;
}
public function setId() {
$this->id = null;
}
/**
* Set title
*
* #param string $title
* #return Email
*/
public function setTitle($title)
{
$this->title = $title;
return $this;
}
/**
* Get title
*
* #return string
*/
public function getTitle()
{
return $this->title;
}
/**
* Set registration_content
*
* #param string $registration_content
* #return Email
*/
public function setRegistrationContent($registration_content)
{
$this->registration_content = $registration_content;
return $this;
}
/**
* Get registration_content
*
* #return string
*/
public function getRegistrationContent()
{
return $this->registration_content;
}
/**
* Set $confirmation_apuestas
*
* #param string $confirmation_apuestas
* #return Email
*/
public function setConfirmationApuestas($confirmation_apuestas)
{
$this->confirmation_apuestas = $confirmation_apuestas;
return $this;
}
/**
* Get $confirmation_apuestas
*
*
#return string
*/
public function getConfirmationApuestas()
{
return $this->confirmation_apuestas;
}
}
Now in my cms i create a new email like this:
/**
* #Route("/new", name="cms_email_new")
* #Method({"GET"})
* #Template()
*/
public function newAction() {
$item = new Email();
$form = $this->createForm(new EmailType($this->container->getParameter("langs")), $item);
return array('form' => $form->createView(), 'item' => $item);
}
The form:
public function buildForm(FormBuilderInterface $builder, array $option) {
$builder->add('title', 'text', array('label' => 'cms.Title'));
$builder->add('registration_content', 'textarea', array('label' => 'cms.registration.content'));
$builder->add('confirmation_apuestas', 'textarea', array('label' => 'cms.confirmation.apuestas'));
}
public function getDefaultOptions(array $options) {
return array(
'data_class' => 'Project\UserBundle\Entity\Email',
);
}
This is how I persist the Email to the database:
/**
* #Route("/save", name="cms_email_save")
* #Template("ProjectUserBundle:EmailAdmin:new.html.twig")
* #Method({"POST"})
*/
public function saveAction(Request $request) {
$item = new Email();
$type = new EmailType($this->container->getParameter("langs"));
$form = $this->createForm($type, $item);
$form->bind($request);
$em = $this->getEntityManager();
if ($form->isValid()) {
$this->upload($form, $item);
$em->persist($item);
$em->flush();
return $this->redirect($this->generateUrl('cms_skin_email_list', array('skin_id' => $item->getId())));
}
return array('form' => $form->createView(), 'item' => $item);
}
The problem is that it creates an email, but in my skin entity, the email_registration_id is just NULL and not the same as emails Id... Maybe I missed something?
UPDATE
So this is what I made according to the responses I got:
class Email {
/**
* #ORM\OneToMany(targetEntity="Project\SkinBundle\Entity\Skin", mappedBy="email_registration_id")
*/
protected $skin;
/**
* Set skin
*
* #param string $skin
* #return Email
*/
public function setSkin(\Project\SkinBundle\Entity\Skin $skin = null)
{
$this->skin = $skin;
return $this;
}
/**
* Get skin
*
* #return string
*/
public function getSkin()
{
return $this->skin;
}
And the form:
public function buildForm(FormBuilderInterface $builder, array $option) {
$builder->add('title', 'text', array('label' => 'cms.Title'));
$builder->add('registration_content', 'textarea', array('label' => 'cms.registration.content'));
$builder->add('confirmation_apuestas', 'textarea', array('label' => 'cms.confirmation.apuestas'));
$builder->add('skin', 'entity', array(
'class' => 'ProjectSkinBundle:Skin',
'property' => 'id',
));
}
However when i am trying to flush to the database I get this error:
ContextErrorException: Catchable Fatal Error: Argument 1 passed to Doctrine\Common\Collections\ArrayCollection::__construct() must be of the type array, object given, called in C:\wamp\www\Company\front\vendor\doctrine\orm\lib\Doctrine\ORM\UnitOfWork.php on line 528 and defined in C:\wamp\www\Company\front\vendor\doctrine\collections\lib\Doctrine\Common\Collections\ArrayCollection.php line 48

Answer 1

It's normal that the creation of a new email is not associated to a skin object. How could it ? The relation is unidirectional, and only works when you create a skin and you give it an email. To create an email and give it a skin, you have to make the relation bidirectional, and add it to your email form.
To do this, I'd do the following :
/*
* Class Project\UserBundle\Entity\Email
*/
class Email {
...
/**
* #ORM\OneToMany(targetEntity="Project\SkinBundle\Entity\Skin", mappedBy="email_registration_id")
*/
protected $skin;
and in your form :
public function buildForm(FormBuilderInterface $builder, array $option) {
$builder->add('title', 'text', array('label' => 'cms.Title'))
->add('registration_content', 'textarea', array('label' => 'cms.registration.content'))
->add('confirmation_apuestas', 'textarea', array('label' => 'cms.confirmation.apuestas'))
->add('skin')
;
}
And PS : You should not use the bind() method to handle the request, it is deprecated. Instead use :
$form->handleRequest($request);
UPDATE 1 : Don't forget to also update your ManyToOne annotation adding the inversedBy part :
#ORM\ManyToOne(targetEntity="Project\UserBundle\Entity\Email", inversedBy="skin")
And also, of course, update your database.