public function MailchimpListsSubscribeForm::buildForm in Mailchimp 8

Same name and namespace in other branches

1. 2.x modules/mailchimp_lists/src/Form/MailchimpListsSubscribeForm.php \Drupal\mailchimp_lists\Form\MailchimpListsSubscribeForm::buildForm()

Form constructor.

Parameters

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

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

Return value

array The form structure.

Overrides FormInterface::buildForm

File

modules/mailchimp_lists/src/Form/MailchimpListsSubscribeForm.php, line 88

Class

MailchimpListsSubscribeForm

Subscribe to a Mailchimp list/audience.

Namespace

Drupal\mailchimp_lists\Form

Code

public function buildForm(array $form, FormStateInterface $form_state) {
  $form = [];
  $field_settings = $this->fieldInstance
    ->getFieldDefinition()
    ->getSettings();
  $field_formatter_settings = $this->fieldFormatter
    ->getSettings();
  $mc_list = mailchimp_get_list($field_settings['mc_list_id']);
  $email = mailchimp_lists_load_email($this->fieldInstance, $this->fieldInstance
    ->getEntity());
  if (!$email) {
    return [];
  }
  $field_name = $this->fieldInstance
    ->getFieldDefinition()
    ->getName();

  // Determine if a user is subscribed to the list.
  $is_subscribed = mailchimp_is_subscribed($mc_list['id'], $email);
  $wrapper_key = 'mailchimp_' . $field_name;
  $form['wrapper_key'] = [
    '#type' => 'hidden',
    '#default_value' => $wrapper_key,
  ];
  $form[$wrapper_key] = [
    '#type' => 'container',
    '#tree' => TRUE,
    '#description' => $this->fieldInstance
      ->getFieldDefinition()
      ->getDescription(),
    '#attributes' => [
      'class' => [
        'mailchimp-newsletter-wrapper',
        'mailchimp-newsletter-' . $field_name,
      ],
    ],
  ];

  // Add title and description to lists for anonymous users or if requested:
  $form[$wrapper_key]['subscribe'] = [
    '#type' => 'checkbox',
    '#title' => 'Subscribe',
    '#disabled' => $this->fieldInstance
      ->getFieldDefinition()
      ->isRequired(),
    '#required' => $this->fieldInstance
      ->getFieldDefinition()
      ->isRequired(),
    '#default_value' => $this->fieldInstance
      ->getFieldDefinition()
      ->isRequired() || $is_subscribed,
  ];

  // Present interest groups:
  if ($field_settings['show_interest_groups'] && $field_formatter_settings['show_interest_groups']) {

    // Perform test in case error comes back from MCAPI when getting groups:
    if (is_array($mc_list['intgroups'])) {
      $form[$wrapper_key]['interest_groups'] = [
        '#type' => 'fieldset',
        '#title' => isset($field_settings['interest_groups_label']) ? $field_settings['interest_groups_label'] : $this
          ->t('Interest Groups'),
        '#weight' => 100,
        '#states' => [
          'invisible' => [
            ':input[name="' . $wrapper_key . '[subscribe]"]' => [
              'checked' => FALSE,
            ],
          ],
        ],
      ];
      $groups_default = $this->fieldInstance
        ->getInterestGroups();
      if ($groups_default == NULL) {
        $groups_default = [];
      }
      $form[$wrapper_key]['interest_groups'] += mailchimp_interest_groups_form_elements($mc_list, $groups_default, $email);
    }
  }
  $form['submit'] = [
    '#type' => 'submit',
    '#value' => $this
      ->t('Save'),
  ];
  return $form;
}