Implemented RightRequestManagement

application/symfony/src/Domain/RightManagement/RightRequestManagement/RequestedRight.php

@@ -0,0 +1,106 @@
+<?php
+
+namespace App\Domain\RightManagement\RightRequestManagement;
+
+use Doctrine\ORM\EntityManager;
+use App\Repository\Source\SourceRepository;
+use App\Domain\SourceManagement\RequestedSourceInterface;
+use App\Entity\Source\SourceInterface;
+use App\Entity\Attribut\TypeAttribut;
+use App\Entity\Attribut\LayerAttribut;
+use App\Entity\Attribut\RecieverAttribut;
+
+/**
+ * @author kevinfrantz
+ */
+class RequestedRight implements RequestedRightInterface
+{
+    use TypeAttribut, LayerAttribut, RecieverAttribut;
+
+    /**
+     * @var SourceRepository
+     */
+    private $sourceRepository;
+
+    /**
+     * @var SourceInterface
+     */
+    private $source;
+
+    /**
+     * @var RequestedSourceInterface
+     */
+    private $requestedSource;
+
+    /**
+     * @param EntityManager $entityManager
+     */
+    public function __construct(SourceRepository $sourceRepository)
+    {
+        $this->sourceRepository = $sourceRepository;
+    }
+
+    private function loadSource(): void
+    {
+        $this->source = $this->sourceRepository->findOneByIdOrSlug($this->requestedSource);
+    }
+
+    /**
+     * @return bool
+     */
+    private function isIdEquals(): bool
+    {
+        if ($this->requestedSource->hasId() && $this->source->hasId()) {
+            return false;
+        }
+
+        return $this->requestedSource->getId() === $this->source->getId();
+    }
+
+    /**
+     * @return bool
+     */
+    private function isSlugEquals(): bool
+    {
+        if ($this->requestedSource->hasSlug() && $this->source->hasSlug()) {
+            return false;
+        }
+
+        return $this->requestedSource->getSlug() === $this->source->getSlug();
+    }
+
+    /**
+     * @return bool Tells if a reload of the source is neccessary
+     */
+    private function isReloadNeccessary(): bool
+    {
+        return $this->isIdEquals() && $this->isSlugEquals();
+    }
+
+    /**
+     * Uses some kind of Lazy loading.
+     *
+     * @see https://en.wikipedia.org/wiki/Lazy_loading
+     * {@inheritdoc}
+     * @see \App\Domain\RightManagement\RightRequestManagement\RequestedRightInterface::getSource()
+     */
+    final public function getSource(): SourceInterface
+    {
+        if ($this->isReloadNeccessary()) {
+            $this->loadSource();
+        }
+
+        return $this->source;
+    }
+
+    /**
+     * {@inheritdoc}
+     *
+     * @see \App\Domain\RightManagement\RightRequestManagement\RequestedRightInterface::setRequestedSource()
+     */
+    final public function setRequestedSource(RequestedSourceInterface $requestedSource)
+    {
+        $this->requestedSource = $requestedSource;
+        $this->loadSource();
+    }
+}