opening_hours.module

<?php

/**
 * @file
 * Module hooks.
 */

use Drupal\Component\Utility\Html;

/**
 * Implements hook_theme().
 */
function opening_hours_theme($existing, $type, $theme, $path) {
  return [
    'opening_hours_widget' => [
      'template' => 'opening-hours-widget',
      'path' => $path . '/templates',
      'variables' => [
        'preview_widget' => NULL,
        'widgets' => NULL,
        'service_id' => NULL,
        'display_title' => NULL,
        'channel_id' => NULL,
        'single_widget' => NULL,
        'date' => NULL,
        'from' => NULL,
        'until' => NULL,
      ],
    ],
  ];
}

/**
 * Implements hook_preprocess().
 */
function template_preprocess_opening_hours_widget(&$variables) {
  $variables['widget_id'] = Html::getUniqueId('opening_hours');
}

/**
 * Implements hook_token_info_alter().
 *
 * Add the missing token info for automatically detected tokens.
 */
function opening_hours_token_info_alter(&$info) {
  $entities = \Drupal::service('entity_field.manager')->getFieldMap();
  foreach ($entities as $entity_key => $entity) {
    foreach ($entity as $field_key => $field) {
      if ($field['type'] !== 'opening_hours') {
        continue;
      }

      $token_key = sprintf('%s-%s', $entity_key, $field_key);
      $info['tokens'][$token_key]['service'] = [
        'name' => t('Opening Hours: Service ID'),
        'description' => t('The service record ID.'),
      ];
      $info['tokens'][$token_key]['service_label'] = [
        'name' => t('Opening Hours: Service label'),
        'description' => t('The service label.'),
      ];
      $info['tokens'][$token_key]['channel'] = [
        'name' => t('Opening Hours: Channel ID'),
        'description' => t('The channel record ID.'),
      ];
      $info['tokens'][$token_key]['channel_label'] = [
        'name' => t('Opening Hours: Channel label'),
        'description' => t('The channel label.'),
      ];
      $info['tokens'][$token_key]['broken'] = [
        'name' => t('Opening Hours: Broken link'),
        'description' => t('Indicates if the service/channel link no longer exists in the Opening Hours platform.'),
      ];
    }
  }
}