Get past events for each presentation

modules/opd_presentations/src/Entity/Presentation.php

@@ -4,13 +4,22 @@ declare(strict_types=1);
 
 namespace Drupal\opd_presentations\Entity;
 
+use Drupal\Core\Datetime\DrupalDateTime;
 use Drupal\node\Entity\Node;
 use Drupal\node\NodeInterface;
+use Drupal\paragraphs\Entity\Paragraph;
 
 final class Presentation extends Node implements NodeInterface {
 
   public function getPastEvents(): array {
-    return $this->get('field_events')->referencedEntities();
+    $events = $this->get('field_events')->referencedEntities();
+
+    $today = (new DrupalDateTime('today'))->format('U');
+
+    return array_filter(
+      array: $events,
+      callback: fn (Paragraph $event): bool => $event->get('field_date')->value < $today,
+    );
   }
 
 }

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

@@ -4,8 +4,10 @@ declare(strict_types=1);
 
 namespace Drupal\opd_presentations\DrupalTestTraits\Entity;
 
-use Drupal\paragraphs\Entity\Paragraph;
+use Drupal\Core\Datetime\DrupalDateTime;
 use Drupal\opd_presentations\Entity\Presentation;
+use Drupal\paragraphs\Entity\Paragraph;
+use Drupal\paragraphs\ParagraphInterface;
 use weitzman\DrupalTestTraits\ExistingSiteBase;
 
 final class PresentationTest extends ExistingSiteBase {
@@ -13,7 +15,9 @@ final class PresentationTest extends ExistingSiteBase {
   public function test_getting_past_events(): void {
     $presentation = $this->createPresentation(
       events: [
-        Paragraph::create(['type' => 'event']),
+        $this->createEvent(['field_date' => (new DrupalDateTime('today'))->format('U')]),
+        $this->createEvent(['field_date' => (new DrupalDateTime('yesterday'))->format('U')]),
+        $this->createEvent(['field_date' => (new DrupalDateTime('tomorrow'))->format('U')]),
       ],
     );
 
@@ -27,9 +31,24 @@ final class PresentationTest extends ExistingSiteBase {
    * @param ParagraphInterface[] $events
    */
   private function createPresentation(array $events): Presentation {
-    return $this->createNode([
+    $presentation = $this->createNode([
       'field_events' => $events,
       'type' => 'presentation',
     ]);
+
+    assert($presentation instanceof Presentation);
+
+    return $presentation;
   }
+
+  /**
+   * @param array<non-empty-string, mixed> $values
+   */
+  private function createEvent(array $values = []): ParagraphInterface {
+    return Paragraph::create(array_merge(
+      ['type' => 'event'],
+      $values,
+    ));
+  }
+
 }