social_event_an_enroll.module in Open Social 8.3

The Social event AN enroll module.

File

modules/social_features/social_event/modules/social_event_an_enroll/social_event_an_enroll.module

<?php

/**
 * @file
 * The Social event AN enroll module.
 */
use Drupal\Core\Form\FormStateInterface;
use Drupal\views\ViewExecutable;
use Drupal\views\Plugin\views\cache\CachePluginBase;
use Drupal\Component\Render\PlainTextOutput;
use Drupal\node\Entity\Node;
use Drupal\file\Entity\File;

/**
 * Implements hook_mail().
 */
function social_event_an_enroll_mail($key, &$message, $params) {
  $config = \Drupal::config('social_event_an_enroll.settings');
  $token = \Drupal::token();
  $subject = $token
    ->replace($config
    ->get('event_an_enroll_email_subject'), $params);
  $body = $token
    ->replace($config
    ->get('event_an_enroll_email_body'), $params);
  $message['subject'] .= PlainTextOutput::renderFromHtml($subject);
  $message['body'][] = $body;
  $message['headers']['From'] = $message['from'];
}

/**
 * Create and send a invitation email on the given user account.
 */
function social_event_an_enroll_send_mail($params) {
  if (!empty($params['field_event']) && !empty($params['field_email'])) {
    $node = Node::load($params['field_event']);
    $params['node'] = $node;
    $params['token'] = $params['field_token'];
    $langcode = \Drupal::languageManager()
      ->getCurrentLanguage()
      ->getId();
    $site_mail = \Drupal::config('system.site')
      ->get('mail');
    $mail = \Drupal::service('plugin.manager.mail')
      ->mail('social_event_an_enroll', 'social_event_an_enroll', $params['field_email'], $langcode, $params, $site_mail);
    return empty($mail) ? NULL : $mail['result'];
  }
}

/**
 * Implements hook_theme().
 */
function social_event_an_enroll_theme() {
  return [
    'event_an_enroll_dialog' => [
      'variables' => [
        'links' => NULL,
      ],
    ],
  ];
}

/**
 * Override variables for the social page hero data.
 */
function social_event_an_enroll_preprocess_page_hero_data(array &$variables) {
  $account = \Drupal::currentUser();
  if ($account
    ->isAnonymous() && !empty($variables['event_enrollment'])) {
    $node = $variables['node'];
    if ($node instanceof Node && social_event_an_enroll_is_enabled($node)) {
      $form = \Drupal::formBuilder()
        ->getForm('Drupal\\social_event_an_enroll\\Form\\EventAnEnrollActionForm', $node);
      $variables['event_enrollment'] = [
        'enroll_action_form' => $form,
      ];
      $an_enroll_routes = [
        'social_event_an_enroll.enroll_dialog',
        'social_event_an_enroll.enroll_form',
      ];
      if (in_array(\Drupal::routeMatch()
        ->getRouteName(), $an_enroll_routes)) {
        unset($variables['event_enrollment']);
      }
    }
  }
}

/**
 * Implements hook_views_post_render().
 *
 * Alter "Event enrollments" views. Add number of anonymous enrollments.
 */
function social_event_an_enroll_views_post_render(ViewExecutable $view, &$output, CachePluginBase $cache) {
  if ($view
    ->id() == 'event_enrollments' && $view->current_display == 'event_enrollments') {
    if (isset($output['#rows'])) {
      if (!empty($view->args[0])) {
        $nid = $view->args[0];
        $node = Node::load($nid);
        $an_count = social_event_an_enroll_count($nid);
        if (social_event_an_enroll_is_enabled($node) && $an_count && $an_count > 0) {

          // Fix counter in block title.
          $view->total_rows += $an_count;

          // Add default avatar image with counter.
          if (empty($output['#rows'])) {
            $output['#rows'][0]['#theme'] = $output['#theme'];
            $output['#rows'][0]['#view'] = $output['#view'];
            $output['#rows'][0]['#grouping_level'] = 0;
            $output['#rows'][0]['#title'] = '';
          }

          // Get default profile image uri.
          $default_image = social_profile_get_default_image();
          if (!empty($default_image['id'])) {
            $file = File::load($default_image['id']);
            $uri = $file
              ->getFileUri();
            $output['#rows'][0]['#rows'][] = [
              '#prefix' => '<div class="avatar">',
              '#theme' => 'image_style',
              '#style_name' => 'social_medium',
              '#uri' => $uri,
              '#suffix' => '<span class="badge badge--pill">' . $an_count . '</span></div>',
            ];
          }
          $output['#attached']['library'][] = 'social_event_an_enroll/event_an_enroll';
        }
      }
    }
  }
}

/**
 * Returns number of anonymous enrollments.
 */
function social_event_an_enroll_count($nid) {
  $query = \Drupal::database()
    ->select('event_enrollment__field_account', 'eefa');
  $query
    ->join('event_enrollment__field_event', 'eefe', 'eefa.entity_id = eefe.entity_id');
  $query
    ->condition('eefa.field_account_target_id', 0);
  $query
    ->condition('eefe.field_event_target_id', $nid);
  return (int) $query
    ->countQuery()
    ->execute()
    ->fetchField();
}

/**
 * Returns number of anonymous enrollments.
 */
function social_event_an_enroll_token_exists($token, $nid) {
  $query = \Drupal::database()
    ->select('event_enrollment__field_token', 'eeft');
  $query
    ->join('event_enrollment__field_event', 'eefe', 'eeft.entity_id = eefe.entity_id');
  $query
    ->condition('eeft.field_token_value', $token);
  $query
    ->condition('eefe.field_event_target_id', $nid);
  $results = $query
    ->countQuery()
    ->execute()
    ->fetchField();
  return !empty($results);
}

/**
 * Implements hook_menu_local_tasks_alter().
 *
 * Check and display "Anonymous Enrollments" tab only for events.
 */
function social_event_an_enroll_menu_local_tasks_alter(&$data, $route_name) {
  $can_show_an_enrollments_link = FALSE;
  $routes_to_check = [
    'view.event_enrollments.view_enrollments',
    'entity.node.canonical',
    'view.managers.view_managers',
    'view.manage_enrollments.page',
  ];
  if (in_array($route_name, $routes_to_check)) {
    $node = \Drupal::service('current_route_match')
      ->getParameter('node');
    if (!is_null($node) && !$node instanceof Node) {
      $node = Node::load($node);
    }
    if ($node instanceof Node && $node
      ->getType() === 'event' && $node
      ->get('field_content_visibility')
      ->getString() === 'public') {
      $can_show_an_enrollments_link = TRUE;
    }
  }

  // Place this here, since hiding it should happen
  // always and not only on the mentioned routes.
  if (!$can_show_an_enrollments_link) {
    unset($data['tabs'][0]['views_view:view.manage_enrollments.page']);
  }
}

/**
 * Check if anonymous enrollment is allowed for given event.
 */
function social_event_an_enroll_is_enabled(Node $node) {
  $config = \Drupal::config('social_event_an_enroll.settings');
  $is_global_enabled = $config
    ->get('event_an_enroll');
  $is_event = $node
    ->getType() === 'event';
  $is_public = $node
    ->get('field_content_visibility')
    ->getString() === 'public';
  $is_event_an_enroll = !empty($node
    ->get('field_event_an_enroll')->value);
  return $is_global_enabled && $is_event && $is_public && $is_event_an_enroll;
}

/**
 * Implements hook_form_alter().
 *
 * Check and display "Allow anonymous enrollments" checkbox for public events.
 */
function social_event_an_enroll_form_alter(&$form, FormStateInterface $form_state, $form_id) {
  $event_forms = [
    'node_event_form',
    'node_event_edit_form',
  ];
  if (in_array($form_id, $event_forms)) {
    $config = \Drupal::config('social_event_an_enroll.settings');

    // Show the checkbox only when AN enroll is enabled.
    $form['field_event_an_enroll']['#states'] = [
      'visible' => [
        ':input[name="field_content_visibility"]' => [
          'value' => 'public',
        ],
      ],
    ];

    // Set default value on event creation form.
    if ($form_id == 'node_event_form') {
      $form['field_event_an_enroll']['widget']['value']['#default_value'] = $config
        ->get('event_an_enroll_default_value');
    }

    // Set ability to change default value.
    $form['field_event_an_enroll']['widget']['value']['#disabled'] = $config
      ->get('event_an_enroll_default_value') && !$config
      ->get('event_an_enroll_allow_edit');

    // Hide checkbox if feature is disabled globally.
    $form['field_event_an_enroll']['#access'] = $config
      ->get('event_an_enroll');
  }
}

/**
 * Implements hook_ENTIT_YTYPE_update().
 *
 * Display warning if visibility was changed for already enabled AN enroll.
 */
function social_event_an_enroll_node_update(Node $node) {
  if ($node
    ->getType() === 'event') {
    $is_event_an_enroll = !empty($node
      ->get('field_event_an_enroll')->value);
    $new_visibility = $node
      ->get('field_content_visibility')
      ->getString();
    $old_visibility = $node->original
      ->get('field_content_visibility')
      ->getString();
    if ($is_event_an_enroll && $old_visibility == 'public' && $new_visibility != 'public') {
      drupal_set_message(t('Enrollment without account can only be enabled when the visibility of the event is Public.'), 'warning');
    }
  }
}

Functions

Name	Description
social_event_an_enroll_count	Returns number of anonymous enrollments.
social_event_an_enroll_form_alter	Implements hook_form_alter().
social_event_an_enroll_is_enabled	Check if anonymous enrollment is allowed for given event.
social_event_an_enroll_mail	Implements hook_mail().
social_event_an_enroll_menu_local_tasks_alter	Implements hook_menu_local_tasks_alter().
social_event_an_enroll_node_update	Implements hook_ENTIT_YTYPE_update().
social_event_an_enroll_preprocess_page_hero_data	Override variables for the social page hero data.
social_event_an_enroll_send_mail	Create and send a invitation email on the given user account.
social_event_an_enroll_theme	Implements hook_theme().
social_event_an_enroll_token_exists	Returns number of anonymous enrollments.
social_event_an_enroll_views_post_render	Implements hook_views_post_render().