Optimized draft for MemberRelation

application/src/Domain/MemberManagement/MemberManager.php

@@ -0,0 +1,50 @@
+<?php
+
+namespace App\Domain\MemberManagement;
+
+use App\Entity\Meta\Relation\Member\MemberRelationInterface;
+
+final class MemberManager implements MemberManagerInterface
+{
+    /**
+     * @var MemberRelationInterface
+     */
+    private $memberRelation;
+
+    public function __construct(MemberRelationInterface $memberRelation)
+    {
+        $this->memberRelation = $memberRelation;
+    }
+
+    public function addMember(MemberRelationInterface $member): void
+    {
+        if (!$this->memberRelation->getMembers()->contains($member)) {
+            $this->memberRelation->getMembers()[] = $member;
+            (new self($member))->addMembership($this->memberRelation);
+        }
+    }
+
+    public function removeMember(MemberRelationInterface $member): void
+    {
+        if ($this->memberRelation->getMembers()->contains($member)) {
+            $this->memberRelation->getMembers()->removeElement($member);
+            (new self($member))->removeMembership($this->memberRelation);
+        }
+    }
+
+    public function addMembership(MemberRelationInterface $membership): void
+    {
+        if (!$this->memberRelation->getMemberships()->contains($membership)) {
+            $this->memberRelation->getMemberships()[] = $membership;
+            (new self($membership))->addMember($this->memberRelation);
+        }
+    }
+
+    public function removeMembership(MemberRelationInterface $membership): void
+    {
+        if ($this->memberRelation->getMemberships()->contains($membership)) {
+            $this->memberRelation->getMemberships()->removeElement($membership);
+            (new self($membership))->removeMember($this->memberRelation);
+        }
+    }
+}

application/src/Domain/MemberManagement/MemberManagerInterface.php

@@ -0,0 +1,28 @@
+<?php
+
+namespace App\Domain\MemberManagement;
+
+use App\Entity\Meta\Relation\Member\MemberRelationInterface;
+
+interface MemberManagerInterface
+{
+    /**
+     * @param MemberRelationInterface $member
+     */
+    public function addMember(MemberRelationInterface $member): void;
+
+    /**
+     * @param MemberRelationInterface $member
+     */
+    public function removeMember(MemberRelationInterface $member): void;
+
+    /**
+     * @param MemberRelationInterface $membership
+     */
+    public function addMembership(MemberRelationInterface $membership): void;
+
+    /**
+     * @param MemberRelationInterface $membership
+     */
+    public function removeMembership(MemberRelationInterface $membership): void;
+}