IBX-9060: Added TypedNotificationRenderer interface for notification type labeling

src/lib/Notification/Renderer/Registry.php

@@ -41,6 +41,22 @@ public function hasRenderer(string $alias): bool
     {
         return isset($this->registry[$alias]);
     }
+
+    /**
+     * @return array<string, string>
+     */
+    public function getTypeLabels(): array
+    {
+        $labels = [];
+        foreach ($this->registry as $type => $renderer) {
+            if ($renderer instanceof TypedNotificationRendererInterface) {
+                $labels[$type] = $renderer->getTypeLabel();
+            }
+        }
+        ksort($labels);
+
+        return $labels;
+    }
 }
 
 class_alias(Registry::class, 'eZ\Publish\Core\Notification\Renderer\Registry');

src/lib/Notification/Renderer/TypedNotificationRendererInterface.php

@@ -0,0 +1,14 @@
+<?php
+
+/**
+ * @copyright Copyright (C) Ibexa AS. All rights reserved.
+ * @license For full copyright and license information view LICENSE file distributed with this source code.
+ */
+declare(strict_types=1);
+
+namespace Ibexa\Core\Notification\Renderer;
+
+interface TypedNotificationRendererInterface
+{
+    public function getTypeLabel(): string;
+}

tests/lib/Notification/Renderer/RegistryTest.php

@@ -0,0 +1,69 @@
+<?php
+
+/**
+ * @copyright Copyright (C) Ibexa AS. All rights reserved.
+ * @license For full copyright and license information view LICENSE file distributed with this source code.
+ */
+declare(strict_types=1);
+
+namespace Ibexa\Tests\Core\Notification\Renderer;
+
+use Ibexa\Contracts\Core\Repository\Values\Notification\Notification;
+use Ibexa\Core\Notification\Renderer\NotificationRenderer;
+use Ibexa\Core\Notification\Renderer\Registry;
+use Ibexa\Core\Notification\Renderer\TypedNotificationRendererInterface;
+use PHPUnit\Framework\TestCase;
+
+final class RegistryTest extends TestCase
+{
+    public function testGetTypeLabelsReturnsSortedLabelsFromTypedRenderers(): void
+    {
+        $typedRendererA = new class() implements NotificationRenderer, TypedNotificationRendererInterface {
+            public function render(Notification $notification): string
+            {
+                return 'Rendered A';
+            }
+
+            public function generateUrl(Notification $notification): ?string
+            {
+                return null;
+            }
+
+            public function getTypeLabel(): string
+            {
+                return 'Label A';
+            }
+        };
+
+        $typedRendererB = new class() implements NotificationRenderer, TypedNotificationRendererInterface {
+            public function render(Notification $notification): string
+            {
+                return 'Rendered B';
+            }
+
+            public function generateUrl(Notification $notification): ?string
+            {
+                return null;
+            }
+
+            public function getTypeLabel(): string
+            {
+                return 'Label B';
+            }
+        };
+
+        $nonTypedRenderer = $this->createMock(NotificationRenderer::class);
+
+        $registry = new Registry();
+        $registry->addRenderer('z_type', $typedRendererB);
+        $registry->addRenderer('a_type', $typedRendererA);
+        $registry->addRenderer('x_type', $nonTypedRenderer);
+
+        $expected = [
+            'a_type' => 'Label A',
+            'z_type' => 'Label B',
+        ];
+
+        $this->assertSame($expected, $registry->getTypeLabels());
+    }
+}