From 04b156b8fcf9f1f72e69b5db77a6acd8d60afb6d Mon Sep 17 00:00:00 2001
From: Kevin Frantz <mail@kevin-frantz.de>
Date: Sat, 12 Jan 2019 15:40:54 +0100
Subject: [PATCH] Implemented RightLayerCombination

---
 .../src/DBAL/Types/Meta/Right/LayerType.php   |  2 +
 .../RightLayerCombinationService.php          | 85 +++++++++++++++++++
 .../RightLayerCombinationServiceInterface.php | 34 ++++++++
 .../RightLayerCombinationServiceTest.php      | 56 ++++++++++++
 4 files changed, 177 insertions(+)
 create mode 100644 application/symfony/src/Domain/RightManagement/RightLayerCombinationService.php
 create mode 100644 application/symfony/src/Domain/RightManagement/RightLayerCombinationServiceInterface.php
 create mode 100644 application/symfony/tests/Unit/Domain/RightManagement/RightLayerCombinationServiceTest.php

diff --git a/application/symfony/src/DBAL/Types/Meta/Right/LayerType.php b/application/symfony/src/DBAL/Types/Meta/Right/LayerType.php
index c46b424..4d45f4c 100644
--- a/application/symfony/src/DBAL/Types/Meta/Right/LayerType.php
+++ b/application/symfony/src/DBAL/Types/Meta/Right/LayerType.php
@@ -6,6 +6,8 @@ use Fresh\DoctrineEnumBundle\DBAL\Types\AbstractEnumType;
 
 /**
  * @author kevinfrantz
+ *
+ * @todo Implement more layers and refactor!
  */
 final class LayerType extends AbstractEnumType
 {
diff --git a/application/symfony/src/Domain/RightManagement/RightLayerCombinationService.php b/application/symfony/src/Domain/RightManagement/RightLayerCombinationService.php
new file mode 100644
index 0000000..9bb4e99
--- /dev/null
+++ b/application/symfony/src/Domain/RightManagement/RightLayerCombinationService.php
@@ -0,0 +1,85 @@
+<?php
+
+namespace App\Domain\RightManagement;
+
+use App\DBAL\Types\Meta\Right\LayerType;
+use App\DBAL\Types\Meta\Right\CRUDType;
+
+/**
+ * @author kevinfrantz
+ */
+final class RightLayerCombinationService implements RightLayerCombinationServiceInterface
+{
+    const EXLUDED_RIGHTS_BY_LAYER = [
+        LayerType::HEREDITY => [
+            CRUDType::CREATE,
+            CRUDType::DELETE,
+        ],
+        LayerType::LAW => [
+            CRUDType::CREATE,
+            CRUDType::DELETE,
+        ],
+    ];
+
+    /**
+     * @var array[] Array of string arrays
+     */
+    private $possibleCombinations = [];
+
+    public function __construct()
+    {
+        $this->setCombination();
+    }
+
+    /**
+     * @param string $layer
+     * @param string $crud
+     *
+     * @return bool
+     */
+    private function checkIfExcluded(string $layer, string $crud): bool
+    {
+        return array_key_exists($layer, self::EXLUDED_RIGHTS_BY_LAYER) && in_array($crud, self::EXLUDED_RIGHTS_BY_LAYER[$layer]);
+    }
+
+    private function setCombination(): void
+    {
+        foreach (LayerType::getChoices() as $layer) {
+            foreach (CRUDType::getChoices() as $crud) {
+                if (!array_key_exists($layer, $this->possibleCombinations)) {
+                    $this->possibleCombinations[$layer] = [];
+                }
+                if (!$this->checkIfExcluded($layer, $crud)) {
+                    $this->possibleCombinations[$layer][] = $crud;
+                }
+            }
+        }
+    }
+
+    /**
+     * {@inheritdoc}
+     *
+     * @see \App\Domain\RightManagement\RightLayerCombinationServiceInterface::getPossibleCruds()
+     */
+    public function getPossibleCruds(string $layer): array
+    {
+        return $this->possibleCombinations[$layer];
+    }
+
+    /**
+     * {@inheritdoc}
+     *
+     * @see \App\Domain\RightManagement\RightLayerCombinationServiceInterface::getPossibleLayers()
+     */
+    public function getPossibleLayers(string $crudType): array
+    {
+        $possibleLayers = [];
+        foreach ($this->possibleCombinations as $layer => $possibleCombination) {
+            if (in_array($crudType, $possibleCombination)) {
+                $possibleLayers[] = $layer;
+            }
+        }
+
+        return $possibleLayers;
+    }
+}
diff --git a/application/symfony/src/Domain/RightManagement/RightLayerCombinationServiceInterface.php b/application/symfony/src/Domain/RightManagement/RightLayerCombinationServiceInterface.php
new file mode 100644
index 0000000..ad78a9a
--- /dev/null
+++ b/application/symfony/src/Domain/RightManagement/RightLayerCombinationServiceInterface.php
@@ -0,0 +1,34 @@
+<?php
+
+namespace App\Domain\RightManagement;
+
+use App\DBAL\Types\Meta\Right\LayerType;
+use App\DBAL\Types\Meta\Right\CRUDType;
+
+/**
+ * @author kevinfrantz
+ */
+interface RightLayerCombinationServiceInterface
+{
+    /**
+     * For layer parameter see:.
+     *
+     * @see LayerType::getChoices()
+     *
+     * @param string $layer
+     *
+     * @return array The cruds which exist for a layer
+     */
+    public function getPossibleCruds(string $layer): array;
+
+    /**
+     * For layer parameter see:.
+     *
+     * @see CRUDType::getChoices()
+     *
+     * @param string $crud
+     *
+     * @return array The layers which exist for a right
+     */
+    public function getPossibleLayers(string $crudType): array;
+}
diff --git a/application/symfony/tests/Unit/Domain/RightManagement/RightLayerCombinationServiceTest.php b/application/symfony/tests/Unit/Domain/RightManagement/RightLayerCombinationServiceTest.php
new file mode 100644
index 0000000..5d014cd
--- /dev/null
+++ b/application/symfony/tests/Unit/Domain/RightManagement/RightLayerCombinationServiceTest.php
@@ -0,0 +1,56 @@
+<?php
+
+namespace tests\Unit\Domain\RightManagement;
+
+use PHPUnit\Framework\TestCase;
+use App\Domain\RightManagement\RightLayerCombinationServiceInterface;
+use App\Domain\RightManagement\RightLayerCombinationService;
+use App\DBAL\Types\Meta\Right\CRUDType;
+use App\DBAL\Types\Meta\Right\LayerType;
+
+/**
+ * @author kevinfrantz
+ */
+class RightLayerCombinationServiceTest extends TestCase
+{
+    /**
+     * @var RightLayerCombinationServiceInterface
+     */
+    public $rightLayerCombinationService;
+
+    /**
+     * {@inheritdoc}
+     *
+     * @see \PHPUnit\Framework\TestCase::setUp()
+     */
+    public function setUp()
+    {
+        $this->rightLayerCombinationService = new RightLayerCombinationService();
+    }
+
+    public function testBySource(): void
+    {
+        foreach (CRUDType::getChoices() as $crudType) {
+            $layers = $this->rightLayerCombinationService->getPossibleLayers($crudType);
+            $this->assertContains(LayerType::SOURCE, $layers);
+            $sourceCruds = $this->rightLayerCombinationService->getPossibleCruds(LayerType::SOURCE);
+            $this->assertContains($crudType, $sourceCruds);
+        }
+    }
+
+    public function testByLaw(): void
+    {
+        foreach ([CRUDType::DELETE, CRUDType::CREATE] as $crudType) {
+            $layers = $this->rightLayerCombinationService->getPossibleLayers($crudType);
+            $this->assertNotContains(LayerType::LAW, $layers);
+            $sourceCruds = $this->rightLayerCombinationService->getPossibleCruds(LayerType::LAW);
+            $this->assertNotContains($crudType, $sourceCruds);
+        }
+        foreach ([CRUDType::READ, CRUDType::UPDATE] as $crudType) {
+            $layers = $this->rightLayerCombinationService->getPossibleLayers($crudType);
+            $this->assertContains(LayerType::LAW, $layers);
+            $sourceCruds = $this->rightLayerCombinationService->getPossibleCruds(LayerType::LAW);
+            $this->assertContains($crudType, $sourceCruds);
+        }
+    }
+}