Implemented SourceRepository

application/src/Controller/DefaultController.php

@@ -31,7 +31,7 @@ class DefaultController extends AbstractEntityController
             $user = new User();
             $user->setSource($this->getDoctrine()
                 ->getRepository(AbstractSource::class)
-                ->findOneBy(['slug' => SystemSlugType::GUEST_USER]));
+                ->findOneBySlug(SystemSlugType::GUEST_USER));
         }
         $requestedSource = new class() extends AbstractSource {
         };

application/src/Domain/SecureLoadManagement/SecureSourceLoader.php

@@ -50,7 +50,7 @@ final class SecureSourceLoader implements SecureSourceLoaderInterface
         try {
             return $this->sourceRepository->find($this->requestedRight->getSource()->getId());
         } catch (\Error $error) {
-            return $this->sourceRepository->findOneBy(['slug' => $this->requestedRight->getSource()->getSlug()]);
+            return $this->sourceRepository->findOneBySlug($this->requestedRight->getSource()->getSlug());
         }
     }
 

application/src/Entity/Source/AbstractSource.php

@@ -23,9 +23,11 @@ use App\Entity\Meta\Relation\Member\MemberRelationInterface;
  *
  * For the members\memberships attribut checkout:
  *
+ * @todo Move parts of discriminator map to subclasses
+ *
  * @see http://www.inanzzz.com/index.php/post/h0jt/bidirectional-many-to-many-cascade-remove-and-orphan-removal-operations-in-doctrine
  *
- * @ORM\Entity
+ * @ORM\Entity(repositoryClass="App\Repository\Source\SourceRepository")
  * @ORM\Table(name="source")
  * @ORM\InheritanceType("JOINED")
  * @ORM\DiscriminatorColumn(name="discr", type="string")
@@ -55,6 +57,10 @@ abstract class AbstractSource extends AbstractEntity implements SourceInterface
      * @ORM\Column(type="string",length=30,nullable=true,unique=true)
      * @Assert\Regex(pattern="/^[a-z]+$/")
      *
+     * @todo Check out if a plugin can solve this purpose;
+     *
+     * @see https://github.com/Atlantic18/DoctrineExtensions/blob/master/doc/sluggable.md
+     *
      * @var string
      */
     protected $slug;

application/src/Repository/Source/SourceRepository.php

@@ -0,0 +1,19 @@
+<?php
+
+namespace App\Repository\Source;
+
+use Doctrine\ORM\EntityRepository;
+use App\Entity\Source\SourceInterface;
+
+final class SourceRepository extends EntityRepository
+{
+    /**
+     * @param string $slug
+     *
+     * @return SourceInterface|null
+     */
+    public function findOneBySlug(string $slug): ?SourceInterface
+    {
+        return $this->findOneBy(['slug' => $slug]);
+    }
+}

application/src/Repository/UserSourceRepository.php

@@ -6,6 +6,8 @@ use Doctrine\ORM\EntityRepository;
 
 /**
  * @author kevinfrantz
+ *
+ * @deprecated
  */
 class UserSourceRepository extends EntityRepository
 {