public function MailchimpSignupPageForm::submitForm in Mailchimp 8

Same name and namespace in other branches

1. 2.x modules/mailchimp_signup/src/Form/MailchimpSignupPageForm.php \Drupal\mailchimp_signup\Form\MailchimpSignupPageForm::submitForm()

Form submission handler.

Parameters

array $form: An associative array containing the structure of the form.

\Drupal\Core\Form\FormStateInterface $form_state: The current state of the form.

Overrides FormInterface::submitForm

File

modules/mailchimp_signup/src/Form/MailchimpSignupPageForm.php, line 302

Class

MailchimpSignupPageForm

Subscribe to a Mailchimp list/audience.

Namespace

Drupal\mailchimp_signup\Form

Code

public function submitForm(array &$form, FormStateInterface $form_state) {
  global $base_url;
  $list_details = mailchimp_get_lists($this->signup->mc_lists);
  $subscribe_lists = [];

  // Filter out blank fields so we don't erase values on the Mailchimp side.
  $mergevars = array_filter($form_state
    ->getValue('mergevars'));
  $email = $mergevars['EMAIL'];
  $gdpr_consent = $form_state
    ->getValue('gdpr_consent');
  $mailchimp_lists = $form_state
    ->getValue('mailchimp_lists');

  // If we only have one list we won't have checkbox values to investigate.
  if (count(array_filter($this->signup->mc_lists)) == 1) {
    $subscribe_lists[0] = [
      'subscribe' => reset($this->signup->mc_lists),
      'interest_groups' => isset($mailchimp_lists['interest_groups']) ? $mailchimp_lists['interest_groups'] : NULL,
    ];
  }
  else {

    // We can look at the checkbox values now.
    foreach ($mailchimp_lists as $list) {
      if ($list['subscribe']) {
        $subscribe_lists[] = $list;
      }
    }
  }
  $successes = [];

  // Loop through the selected lists and try to subscribe.
  foreach ($subscribe_lists as $list_choices) {
    $list_id = $list_choices['subscribe'];
    $interests = isset($list_choices['interest_groups']) ? $list_choices['interest_groups'] : [];
    if (isset($this->signup->settings['safe_interest_groups']) && $this->signup->settings['safe_interest_groups']) {
      $current_status = mailchimp_get_memberinfo($list_id, $email);
      if (isset($current_status->interests)) {
        $current_interests = [];
        foreach ($current_status->interests as $id => $selected) {
          if ($selected) {
            $current_interests[$id] = $id;
          }
        }
        $interests[] = $current_interests;
      }
    }
    $result = mailchimp_subscribe($list_id, $email, $mergevars, $interests, $this->signup->settings['doublein'], 'html', NULL, $gdpr_consent);
    if (empty($result)) {
      $this->messenger
        ->addWarning($this
        ->t('There was a problem with your newsletter signup to %list.', [
        '%list' => $list_details[$list_id]->name,
      ]));
    }
    else {
      $successes[] = $list_details[$list_id]->name;
    }
  }
  if (count($successes) && strlen($this->signup->settings['confirmation_message'])) {
    $this->messenger
      ->addStatus($this
      ->t($this->signup->settings['confirmation_message']));
    $form_state
      ->set('mailchimp_success', TRUE);
  }
  $destination = $this->signup->settings['destination'];
  if (empty($destination)) {
    $destination_url = Url::fromRoute('<current>');
  }
  else {
    $destination_url = Url::fromUri($base_url . '/' . $this->signup->settings['destination']);
  }
  $form_state
    ->setRedirectUrl($destination_url);
}