oliverdavies.uk/modules/opd_daily_emails/opd_daily_emails.module

<?php

declare(strict_types=1);

use Drupal\Core\Render\BubbleableMetadata;
use Drupal\Core\StringTranslation\TranslatableMarkup;
use Drupal\opd_daily_emails\Action\AddRandomCtaToDailyEmail;
use Drupal\opd_daily_emails\DailyEmail;
use Drupal\opd_daily_emails\DailyEmailNodeRepository;

/**
 * Implements hook_entity_bundle_info_alter().
 *
 * @param array<non-empty-string, array{class: non-empty-string}> $bundles
 */
function opd_daily_emails_entity_bundle_info_alter(array &$bundles): void {
  if (isset($bundles['node'])) {
    $bundles['node'][DailyEmail::NODE_TYPE]['class'] = DailyEmail::class;
  }
}

/**
 * Implements hook_entity_presave().
 */
function opd_daily_emails_entity_presave(Drupal\Core\Entity\EntityInterface $entity): void {
  if (!$entity instanceof DailyEmail) {
    return;
  }

  \Drupal::service(AddRandomCtaToDailyEmail::class)($entity);
}

/**
 * Implements hook_form_FORM_ID_alter().
 *
 * @param array{'#action': string, '#attributes': array<non-empty-string, mixed>} $form
 */
function opd_daily_emails_form_opd_daily_emails_kit_subscription_form_alter(array &$form): void {
  $form['#action'] = 'https://app.convertkit.com/forms/3546728/subscriptions';

  $form['#attributes']['data-format'] = 'inline';
  $form['#attributes']['data-sv-form'] = '3546728';
  $form['#attributes']['data-uid'] = 'f0c1d2b57f';
  $form['#attributes']['data-version'] = 5;
}

/**
 * Implements hook_token_info().
 *
 * @return array{tokens: array{opd-daily-emails: array{description: TranslatableMarkup, name: TranslatableMarkup}[]}, types: array{opd-daily-emails: array{description: TranslatableMarkup, name: TranslatableMarkup}}}
 */
function opd_daily_emails_token_info(): array {
  $tokens = [];

  $type = [
    'description' => t('Tokens related to daily emails.'),
    'name' => t('Daily emails'),
  ];

  $tokens['email-count'] = [
    'description' => t('The number of sent daily emails.'),
    'name' => t('Daily email count'),
  ];

  return [
    'tokens' => [
      'opd-daily-emails' => $tokens,
    ],
    'types' => [
      'opd-daily-emails' => $type,
    ],
  ];
}

/**
 * Implements hook_tokens().
 *
 * @param array<non-empty-string, non-empty-string> $tokens
 * @param array<non-empty-string, mixed> $data
 * @param array<non-empty-string, mixed> $options
 *
 * @return array<non-empty-string, mixed>
 */
function opd_daily_emails_tokens(string $type, array $tokens, array $data, array $options, BubbleableMetadata $bubbleableMetadata) : array {
  $replacements = [];

  if ($type === 'opd-daily-emails') {
    foreach ($tokens as $name => $original) {
      switch ($name) {
        case 'email-count':
          $dailyEmailRepository = \Drupal::service(DailyEmailNodeRepository::class);

          $dailyEmails = $dailyEmailRepository->getAll();

          $replacements[$original] = $dailyEmails->count();
          break;
      }
    }
  }

  return $replacements;
}