Optimized for SPA

application/symfony/src/Domain/SourceManagement/SourceMembershipInformation.php

@@ -0,0 +1,52 @@
+<?php
+
+namespace App\Domain\SourceManagement;
+
+use Doctrine\Common\Collections\Collection;
+use App\Entity\Source\SourceInterface;
+use Doctrine\Common\Collections\ArrayCollection;
+use App\Entity\Meta\Relation\Member\MemberRelationInterface;
+
+final class SourceMembershipInformation implements SourceMembershipInformationInterface
+{
+    /**
+     * @var SourceInterface
+     */
+    private $source;
+
+    /**
+     * @var Collection|SourceInterface[]
+     */
+    private $memberships;
+
+    public function __construct(SourceInterface $source)
+    {
+        $this->source = $source;
+    }
+
+    /**
+     * @param Collection|MemberRelationInterface[] $memberships
+     */
+    private function itterateOverMemberships(Collection $memberships): void
+    {
+        foreach ($memberships as $membership) {
+            if (!$this->memberships->contains($membership->getSource())) {
+                $this->memberships->add($membership->getSource());
+                $this->itterateOverMemberships($membership->getMemberships());
+            }
+        }
+    }
+
+    /**
+     * {@inheritdoc}
+     *
+     * @see \App\Domain\SourceManagement\SourceMembershipInformationInterface::getAllMemberships()
+     */
+    public function getAllMemberships(): Collection
+    {
+        $this->memberships = new ArrayCollection();
+        $this->itterateOverMemberships($this->source->getMemberRelation()->getMemberships());
+
+        return $this->memberships;
+    }
+}