Refactor

modules/opd_daily_emails/src/AddRandomCtaToDailyEmail.php

@@ -0,0 +1,43 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Drupal\opd_daily_emails;
+
+use Drupal\Core\Entity\EntityTypeManagerInterface;
+use Drupal\node\NodeInterface;
+use Drupal\opd_daily_emails\Ctas;
+
+readonly final class AddRandomCtaToDailyEmail {
+
+  public function __construct(private EntityTypeManagerInterface $entityTypeManager) {
+  }
+
+  public function __invoke(DailyEmail $email): void {
+    if (!$email->isNew()) {
+      return;
+    }
+
+    if ($email->get('field_daily_email_cta')->getValue() !== []) {
+      return;
+    }
+
+    // TODO: Don't add a CTA if the email already contains a "P.S.".
+
+    $nodeStorage = $this->entityTypeManager->getStorage('node');
+    $query = $nodeStorage->getQuery();
+    $query->condition('status', NodeInterface::PUBLISHED);
+    $query->condition('type', 'daily_email_cta');
+    $query->accessCheck();
+    $ctaNodes = $nodeStorage->loadMultiple($query->execute());
+
+    $ctas = Ctas::fromNodes($ctaNodes);
+
+    if ($ctas->isEmpty()) {
+      return;
+    }
+
+    $email->set('field_daily_email_cta', $ctas->getRandomCta());
+  }
+
+}