Symfony2和Doctrine2：在Type类中使用Repository类结果

Question

I have 5 Entities:

1. Affiliation
2. Person
3. User
4. UserAffiliation
5. PersonAffiliation

My goal is to display a list of choice fields where I can choose all the UserAffiliations which are not in PersonAffiliations.

My idea is to create a public function in the UserAffiliationRepository which will return only those affiliations for a specific user which are not preset for a specific person.

For that, I am using:

class UserAffiliationRepository extends EntityRepository
{ 
   public function getUnselectedAffiliations( $user_id = null, $person_id = null )
   {
      $commQB = $this->createQueryBuilder( 'ua' )
      ->select('ua');

      $commQB->where("ua.user_id = {$user_id}");

      $commQB->andWhere( "ua.affiliation_id not in ( select pa.affiliation_id  FROM SciForumVersion2Bundle:PersonAffiliation pa where pa.person_id = 3077 )" );

      return $commQB->getQuery()->getResult();
   }
}

And this works fine.

Now, I would like to use this result in a FormBuilder. For that, In my controller, I am using:

$affiliations = $em->getRepository('SciForumVersion2Bundle:UserAffiliation')->getUnselectedAffiliations($user->getId(), $author->getId())
$enquiry    = new PersonAffiliation();
$formType   = new SubmissionAffiliationAddFormType($user, $affiliations);
$form   = $this->createForm($formType, $enquiry);

And then in the Form class, I am using:

$builder->add('affiliation', 'entity', array(
            'class' => 'SciForumVersion2Bundle:UserAffiliation',
            'multiple' => true));

But here, I am getting all the affiliations for the specific user, not only thos ones which are not allready in the PersonAffiliations entity.

Any help? Thank you.

Answer 1

You have to migrate your getUnselectedAffiliations function directly into entity_type in the following way

$builder->add('affiliation', 'entity', array(
            'class' => 'SciForumVersion2Bundle:UserAffiliation',
            'multiple' => true,
            'query_builder' = function(EntityRepository $repo) use ($yourParameters){
                               return $repo->createQueryBuilder(....);}));

if you want to pass $yourParameters , you have to do that into __construct function (implement it, if you don't have one) and when you create your form, you can pass them along the calls