Add an Event bundle class

modules/opd_presentations/opd_presentations.module

@@ -2,6 +2,7 @@
 
 declare(strict_types=1);
 
+use Drupal\opd_presentations\Entity\Event;
 use Drupal\opd_presentations\Entity\Presentation;
 
 /**
@@ -13,4 +14,8 @@ function opd_presentations_entity_bundle_info_alter(array &$bundles): void {
   if (isset($bundles['node'])) {
     $bundles['node']['presentation']['class'] = Presentation::class;
   }
+
+  if (isset($bundles['paragraph'])) {
+    $bundles['paragraph'][Event::PARAGRAPH_TYPE]['class'] = Event::class;
+  }
 }

modules/opd_presentations/src/Collection/EventCollection.php

@@ -4,20 +4,20 @@ declare(strict_types=1);
 
 namespace Drupal\opd_presentations\Collection;
 
-use Drupal\paragraphs\ParagraphInterface;
+use Drupal\opd_presentations\Entity\Event;
 
 /**
- * @implements \IteratorAggregate<ParagraphInterface>
+ * @implements \IteratorAggregate<Event>
  */
 readonly final class EventCollection implements \IteratorAggregate {
 
  /**
-  * @param ParagraphInterface[] $events
+  * @param Event[] $events
   */
   public function __construct(private array $events) {
   }
 
-  public function first(): ParagraphInterface {
+  public function first(): Event {
     return array_values($this->events)[0];
   }
 

modules/opd_presentations/src/Entity/Event.php

@@ -0,0 +1,24 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Drupal\opd_presentations\Entity;
+
+use Drupal\paragraphs\Entity\Paragraph;
+use Drupal\paragraphs\ParagraphInterface;
+
+final class Event extends Paragraph implements ParagraphInterface {
+
+  public const PARAGRAPH_TYPE = 'event';
+
+  public function getEventDate(): string {
+    /** @var non-empty-string */
+    return $this->get('field_date')->value;
+  }
+
+  public function getEventName(): string {
+    /** @var non-empty-string */
+    return $this->get('field_event_name')->value;
+  }
+
+}

modules/opd_presentations/src/Entity/Presentation.php

@@ -8,7 +8,7 @@ use Drupal\Core\Datetime\DrupalDateTime;
 use Drupal\node\Entity\Node;
 use Drupal\node\NodeInterface;
 use Drupal\opd_presentations\Collection\EventCollection;
-use Drupal\paragraphs\Entity\Paragraph;
+use Drupal\opd_presentations\Entity\Event;
 
 final class Presentation extends Node implements NodeInterface {
 
@@ -19,7 +19,7 @@ final class Presentation extends Node implements NodeInterface {
 
     return new EventCollection(array_filter(
       array: $events,
-      callback: fn (Paragraph $event): bool => $event->get('field_date')->value < $today,
+      callback: fn (Event $event): bool => $event->getEventDate() < $today,
     ));
   }
 

modules/opd_presentations/tests/src/Functional/Entity/PresentationTest.php

@@ -39,7 +39,7 @@ final class PresentationTest extends ExistingSiteBase {
     );
 
     $this->assertSame(
-      actual: $events->first()->get('field_event_name')->value,
+      actual: $events->first()->getEventName(),
       expected: 'yesterday',
     );
   }

modules/opd_presentations/tests/src/Traits/PresentationCreationTrait.php

@@ -6,16 +6,17 @@ namespace Drupal\Tests\opd_presentations\Traits;
 
 use Drupal\Core\Datetime\DrupalDateTime;
 use Drupal\Tests\node\Traits\NodeCreationTrait;
+use Drupal\ctools\Testing\EntityCreationTrait;
+use Drupal\opd_presentations\Entity\Event;
 use Drupal\opd_presentations\Entity\Presentation;
-use Drupal\paragraphs\Entity\Paragraph;
-use Drupal\paragraphs\ParagraphInterface;
 
 trait PresentationCreationTrait {
 
+  use EntityCreationTrait;
   use NodeCreationTrait;
 
   /**
-   * @param ParagraphInterface[] $events
+   * @param Event[] $events
    */
   private function createPresentation(array $events): Presentation {
     $presentation = $this->createNode([
@@ -28,14 +29,19 @@ trait PresentationCreationTrait {
     return $presentation;
   }
 
-  private function createEvent(string $eventName, string $eventDate): ParagraphInterface {
-    return Paragraph::create(
-      [
+  private function createEvent(string $eventName, string $eventDate): Event {
+    $event = $this->createEntity(
+      entity_type: 'paragraph',
+      values: [
         'field_date' => (new DrupalDateTime($eventDate))->getTimestamp(),
         'field_event_name' => $eventName,
-        'type' => 'event',
+        'type' => Event::PARAGRAPH_TYPE,
       ],
     );
+
+    assert($event instanceof Event);
+
+    return $event;
   }
 
 }