How to access Doctrine defined methods after custom Repository is made? - php

Question

I am developing a site using ZF2 and Doctrine. The problem I am facing is I am using Doctrine predefined object methods like findAll(), findOneBy(), findBy() etc in my code. For some custom actions I have prepared a custom Repository for one of my entities. Now I can't access the predefined methods. I have already written code by using findAll() method. But after building a repository I can't simply access findAll() method. How can I both access my custom defined methods along with Doctrine defined methods?
For example:
I am using findOneBy() like this:
$udata = $this->em()->getRepository('Application\Entity\Usermain')->findOneBy(array('userEmail' => 'subh.laha#gmail.com'));
Now I have prepared UsermainRepository like below:
namespace Application\Entity\Repositories;
use Doctrine\ORM\EntityRepository;
use Doctrine\Common\Persistence\ObjectRepository;
class UsermainRepository extends EntityRepository
{
protected $sl;
public function __construct($sl){
$this->sl = $sl;
}
public function customFind($arr)
{
$qb = $this->sl->createQueryBuilder();
$whereStr = '';
if(count($arr)){
foreach($arr as $kvarr=>$varr){
$whereStr .= "u.$kvarr = '".$varr."'";
}
}
$qry = $qb->select('u')
->from('Application\Entity\Usermain','u')
->where($whereStr)
->getQuery()
->getResult();
return $qry;
}
}
Now I can access
$udata = $this->em()->getRepository('Application\Entity\Usermain')->customFind(array('userEmail' => 'subh.laha#gmail.com'));
But Not
$udata = $this->em()->getRepository('Application\Entity\Usermain')->findOneBy(array('userEmail' => 'subh.laha#gmail.com'));
Why? I have already written code by using doctrine defined methods. What can I do now?

Answer 1

I believe you are getting this error because you have overridden the repository's constructor method but aren't calling the parent constructor so required parameters aren't being properly set.

Answer 2

I think your code is not correct, You can use the below query instead of writing complex custom object.
$query = $this->getEntityManager()->createQueryBuilder()
->select('U.id,U.name')
->from('Application\Entity\StudentClass', 'U')
->where('U.pkStudentClass = :pkStudentClass')
->setParameter('pkStudentClass', 1)
->setMaxResults(20);
->orderBy('id', 'DESC')
->getQuery();
$result = $query->getScalarResult();

Answer 3

There are several problems exist in your approach;
I think trying to access the service locator's itself in an entity repository is bad idea. You shouldn't need service container in repository level.
The second detail is, when extending any class, you need to check out, read and respect the signature of the parent. In your case, you're overriding the parent's __construct. Calling parent::__construct() may seems like a solution but it's not. You'll soon realize that you also need a custom repository factory to pass additional arguments to constructor while keeping the current functionality. No way.
This is more important than others: you believe that $this->sl->createQueryBuilder() returns query builder instance. Theoretically seems like working but $this->sl is not service locator, service locator doesn't knows anything about query builders, it's just EntityManager instance which passed to your constructor.
Try this:
<?php
namespace Application\Entity\Repositories;
use Doctrine\ORM\EntityRepository;
class UsermainRepository extends EntityRepository
{
public function customFind($arr)
{
// Just pass an alias for your entity
$qb = $this->createQueryBuilder('u');
$whereStr = '';
if (count($arr)) {
foreach ($arr as $kvarr => $varr) {
$whereStr .= "u.$kvarr = '".$varr."'";
}
}
return $qb->where($whereStr)
->getQuery()
->getResult();
}
}
Finally, in your Application\Entity\Usermain entity, you'll also need telling about your custom repository to doctrine since you don't want to use default EntityRepository :
namespace Application\Entity;
/**
* #ORM\Entity(repositoryClass="Application\Entity\Repositories\UsermainRepository")
*/
class Usermain
{
}
Now in your controller (or service) level, you can test:
$em = $this->getServiceLocator()->get('doctrine.entitymanager.orm_default');
$repo = $em->getRepository('Application\Entity\Usermain');
// repo is a UsermainRepository instance
// this should work:
$udata = $repo->customFind(array('userEmail' => 'subh.laha#gmail.com'));
// this should also work
$udata = $repo->findOneBy(array('userEmail' => 'subh.laha#gmail.com'));
I strongly recommend carefully reading of Working With Objects section of the documentation before diving into deeps.