Refactor

Try a different way of naming and grouping classes.

modules/opd_daily_emails/src/DailyEmails.php

@@ -0,0 +1,31 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Drupal\opd_daily_emails;
+
+use Drupal\node\NodeInterface;
+
+final class DailyEmails implements \Countable {
+
+  /**
+   * @param array<positive-int, NodeInterface> $emails
+   */
+  private function __construct(
+    private array $emails,
+  ) {
+  }
+
+  public function count(): int {
+    return count($this->emails);
+  }
+
+  public function first(): NodeInterface {
+    return array_values($this->emails)[0];
+  }
+
+  public static function new(array $emails): self {
+    return new self($emails);
+  }
+
+}