UserIdentityDelete.php in uLogin (advanced version) 8

Namespace

Drupal\ulogin\Form

File

src/Form/UserIdentityDelete.php

<?php

namespace Drupal\ulogin\Form;

use Drupal\Core\Form\ConfirmFormBase;
use Drupal\Core\Link;
use Drupal\Core\Url;
use Drupal\Core\Form\FormStateInterface;
use Drupal\ulogin\UloginHelper;
use Drupal\user\Entity\User;
use Symfony\Component\HttpKernel\Exception\AccessDeniedHttpException;

/**
 * User Identity Delete form.
 */
class UserIdentityDelete extends ConfirmFormBase {

  /**
   * {@inheritdoc}
   */
  public function getFormId() {
    return 'ulogin_user_identity_delete';
  }

  /**
   * {@inheritdoc}
   */
  public function getQuestion() {
    return $this->question;
  }

  /**
   * {@inheritdoc}
   */
  public function getCancelUrl() {
    return new Url('ulogin.user', [
      'uid' => \Drupal::currentUser()
        ->id(),
    ]);
  }

  /**
   * {@inheritdoc}
   */
  public function getConfirmText() {
    return t('Delete it!');
  }

  /**
   * {@inheritdoc}
   */
  public function getCancelText() {
    return t('Nevermind');
  }

  /**
   * {@inheritdoc}
   */
  public function buildForm(array $form, FormStateInterface $form_state, $id = 0) {
    $form = [];
    $this->id = $id;
    $del_identity = UloginHelper::identityLoadById($id);
    $account = \Drupal::currentUser();
    if (!$del_identity || $account
      ->id() != $del_identity['uid']) {
      drupal_set_message(t('You are trying to delete non-existing identity.'), 'error');
      throw new AccessDeniedHttpException();
    }
    $del_identity_data = unserialize($del_identity['data']);
    $this->question = t('Are you sure you want to detach the uLogin identity @identity from @user?', [
      '@identity' => Link::fromTextAndUrl($del_identity_data['identity'], Url::fromUri($del_identity_data['identity'], [
        'attributes' => [
          'target' => '_blank',
        ],
        'external' => TRUE,
      ])),
      '@user' => $account
        ->getDisplayName(),
    ]);
    $form['#user'] = $account;
    $form['#del_identity_data'] = $del_identity_data;
    $ulogin = \Drupal::service('user.data')
      ->get('ulogin', $account
      ->id());
    if (!empty($ulogin) && $ulogin['network'] == $del_identity_data['network'] && $ulogin['uid'] == $del_identity_data['uid']) {
      $identities = UloginHelper::identityLoadByUid($account
        ->id());
      $providers = UloginHelper::providersList();
      $options = [];
      $last_key = NULL;
      foreach ($identities as $key => $identity) {
        $data = unserialize($identity['data']);
        if ($key != $id) {
          $options[$key] = $providers[$identity['network']] . ' - ' . Link::fromTextAndUrl($data['identity'], Url::fromUri($data['identity'], [
            'attributes' => [
              'target' => '_blank',
            ],
            'external' => TRUE,
          ]))
            ->toString();
        }
        $last_key = $key;
      }
      if (!empty($options)) {
        $form['explanation'] = [
          '#markup' => t('This identity was used to create your account. Please choose another identity to replace it.'),
          '#prefix' => '<div>',
          '#suffix' => '</div>',
        ];
        $form['identity_choice'] = [
          '#type' => 'radios',
          '#options' => $options,
          '#default_value' => count($options) == 1 ? $last_key : NULL,
          '#required' => TRUE,
        ];
      }
      else {
        $form['explanation'] = [
          '#markup' => t('This identity was used to create your account. To delete it you should first add another identity to your account.'),
          '#prefix' => '<div>',
          '#suffix' => '</div>',
        ];
        return $form;
      }
    }
    return parent::buildForm($form, $form_state);
  }

  /**
   * {@inheritdoc}
   */
  public function validateForm(array &$form, FormStateInterface $form_state) {
    if (!empty($form['identity_choice']) && $form_state
      ->isValueEmpty('identity_choice')) {
      $form_state
        ->setErrorByName('identity_choice', t('Please choose identity for replacement.'));
    }
  }

  /**
   * {@inheritdoc}
   */
  public function submitForm(array &$form, FormStateInterface $form_state) {
    $build_info = $form_state
      ->getBuildInfo();
    if (!$form_state
      ->isValueEmpty('identity_choice')) {
      $identity = UloginHelper::identityLoadById($form_state
        ->getValue('identity_choice'));
      $data = unserialize($identity['data']);
      $name = UloginHelper::makeUsername($data);

      // Change name.
      $edit = User::load(\Drupal::currentUser()
        ->id());
      $edit
        ->set('name', $name);

      // Change ulogin data used for tokens.
      foreach ($data as $key => $val) {
        \Drupal::service('user.data')
          ->set('ulogin', $edit
          ->id(), $key, $val);
      }
      $edit
        ->save();

      // Change authname in authmap DB table.
      \Drupal::service('externalauth.authmap')
        ->save($edit, 'ulogin', $name);
    }
    $deleted = UloginHelper::identityDeleteById($build_info['args'][0]);
    if ($deleted) {
      drupal_set_message(t('Identity deleted.'));
    }
    $form_state
      ->setRedirect('ulogin.user', [
      'uid' => \Drupal::currentUser()
        ->id(),
    ]);
  }

}

Classes

Name	Description
UserIdentityDelete	User Identity Delete form.