Refactor

modules/opd_podcast/src/Episode.php

@@ -0,0 +1,18 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Drupal\opd_podcast;
+
+use Drupal\node\Entity\Node;
+use Drupal\node\NodeInterface;
+
+final class Episode extends Node implements NodeInterface {
+
+  public const NODE_TYPE = 'podcast_episode';
+
+  public function getGuests(): Guests {
+    return Guests::new($this->get('field_podcast_guests')->referencedEntities());
+  }
+
+}

modules/opd_podcast/src/Guest.php

@@ -0,0 +1,14 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Drupal\opd_podcast;
+
+use Drupal\taxonomy\Entity\Term;
+use Drupal\taxonomy\TermInterface;
+
+final class Guest extends Term implements TermInterface {
+
+  public const TERM_TYPE = 'podcast_guest';
+
+}

modules/opd_podcast/src/Guests.php

@@ -7,12 +7,12 @@ namespace Drupal\opd_podcast;
 use Drupal\taxonomy\TermInterface;
 
 /**
- * @implements \IteratorAggregate<TermInterface>
+ * @implements \IteratorAggregate<Guest>
  */
-final class PodcastGuests implements \ArrayAccess, \Countable, \IteratorAggregate, \Stringable {
+final class Guests implements \ArrayAccess, \Countable, \IteratorAggregate, \Stringable {
 
  /**
-  * @param TermInterface[] $guests
+  * @param Guest[] $guests
   */
   private function __construct(private array $guests) {
   }
@@ -44,16 +44,16 @@ final class PodcastGuests implements \ArrayAccess, \Countable, \IteratorAggregat
   public function __toString(): string {
     // TODO: allow for more than two guests.
     if (count($this->guests) === 2) {
-      assert($this->guests[1] instanceof TermInterface);
+      assert($this->guests[1] instanceof Guest);
 
-      return sprintf('%s %s %s', $this->guests[0]->label(), t('and'), $this->guests[1]->label());
+      return sprintf('%s %s %s', $this->guests[0]->getName(), t('and'), $this->guests[1]->getName());
     }
 
-    return strval($this->guests[0]->label());
+    return strval($this->guests[0]->getName());
   }
 
   /**
-   * @param TermInterface[] $guests
+   * @param Guest[] $guests
    */
   public static function new(array $guests): self {
     return new self($guests);

modules/opd_podcast/src/PodcastEpisode.php

@@ -1,18 +0,0 @@
-<?php
-
-declare(strict_types=1);
-
-namespace Drupal\opd_podcast;
-
-use Drupal\node\Entity\Node;
-use Drupal\node\NodeInterface;
-
-final class PodcastEpisode extends Node implements NodeInterface {
-
-  public const NODE_TYPE = 'podcast_episode';
-
-  public function getGuests(): PodcastGuests {
-    return PodcastGuests::new($this->get('field_podcast_guests')->referencedEntities());
-  }
-
-}