Implemented draft for right checker

application/src/Domain/RightManagement/RightChecker.php

@@ -0,0 +1,63 @@
+<?php
+
+namespace App\Domain\RightManagement;
+
+use App\Entity\Meta\RightInterface;
+use Doctrine\Common\Collections\Collection;
+use App\Entity\Source\SourceInterface;
+use App\Domain\SourceManagement\SourceMemberInformation;
+
+/**
+ * @author kevinfrantz
+ */
+final class RightChecker implements RightCheckerInterface
+{
+    /**
+     * @var RightInterface
+     */
+    private $right;
+
+    /**
+     * @var Collection|SourceInterface[]
+     */
+    private $allSourcesToWhichRightApplies;
+
+    /**
+     * Calling this function in the constructor can lead to side effects when the source changes!
+     * @todo Implement a clean solution!
+     */
+    private function setAllSourcesToWhichRightApplies(): void
+    {
+        $rightSourceMemberInformation = new SourceMemberInformation($this->right->getSource());
+        $this->allSourcesToWhichRightApplies = clone ($rightSourceMemberInformation->getAllMembers());
+        $this->allSourcesToWhichRightApplies->add($this->right->getSource());
+    }
+
+    private function hasSource(SourceInterface $source): bool
+    {
+        return $this->allSourcesToWhichRightApplies->contains($source);   
+    }
+    
+    private function isLayerEqual(string $layer):bool{
+        return ($this->right->getLayer() === $layer);
+    }
+    
+    private function isTypeEqual(string $type):bool{
+        return ($this->right->getType() === $type);
+    }
+    
+    private function checkPermission():bool{
+        return $this->right->getGrant();
+    }
+
+    public function __construct(RightInterface $right)
+    {
+        $this->right = $right;
+        $this->setAllSourcesToWhichRightApplies();
+    }
+
+    public function isGranted(string $layer, string $type, SourceInterface $source): bool
+    {
+        return ($this->isLayerEqual($layer) && $this->isTypeEqual($type) && $this->hasSource($source) && $this->checkPermission());
+    }
+}

application/src/Domain/RightManagement/RightCheckerInterface.php

@@ -0,0 +1,10 @@
+<?php
+
+namespace App\Domain\RightManagement;
+
+use App\Entity\Source\SourceInterface;
+
+interface RightCheckerInterface
+{
+    public function isGranted(string $layer, string $type, SourceInterface $source): bool;
+}