SubscriberMassUnsubscribeForm.php in Simplenews 8.2

Namespace

Drupal\simplenews\Form

File

src/Form/SubscriberMassUnsubscribeForm.php

<?php

namespace Drupal\simplenews\Form;

use Drupal\Component\Utility\EmailValidatorInterface;
use Drupal\Component\Utility\Html;
use Drupal\Core\Form\FormBase;
use Drupal\Core\Form\FormStateInterface;
use Drupal\simplenews\Subscription\SubscriptionManagerInterface;
use Symfony\Component\DependencyInjection\ContainerInterface;

/**
 * Do a mass subscription for a list of email addresses.
 */
class SubscriberMassUnsubscribeForm extends FormBase {

  /**
   * The subscription manager.
   *
   * @var \Drupal\simplenews\Subscription\SubscriptionManagerInterface
   */
  protected $subscriptionManager;

  /**
   * The email validator.
   *
   * @var \Drupal\Component\Utility\EmailValidatorInterface
   */
  protected $emailValidator;

  /**
   * Constructs a new SubscriberMassUnsubscribeForm.
   *
   * @param \Drupal\simplenews\Subscription\SubscriptionManagerInterface $subscription_manager
   *   The subscription manager.
   * @param \Drupal\Component\Utility\EmailValidatorInterface $email_validator
   *   The email validator.
   */
  public function __construct(SubscriptionManagerInterface $subscription_manager, EmailValidatorInterface $email_validator) {
    $this->subscriptionManager = $subscription_manager;
    $this->emailValidator = $email_validator;
  }

  /**
   * {@inheritdoc}
   */
  public static function create(ContainerInterface $container) {
    return new static($container
      ->get('simplenews.subscription_manager'), $container
      ->get('email.validator'));
  }

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

  /**
   * {@inheritdoc}
   */
  public function buildForm(array $form, FormStateInterface $form_state) {
    $form['emails'] = [
      '#type' => 'textarea',
      '#title' => $this
        ->t('Email addresses'),
      '#cols' => 60,
      '#rows' => 5,
      '#description' => $this
        ->t('Email addresses must be separated by comma, space or newline.'),
    ];
    $form['newsletters'] = [
      '#type' => 'checkboxes',
      '#title' => $this
        ->t('Unsubscribe from'),
      '#options' => simplenews_newsletter_list(),
      '#required' => TRUE,
    ];
    foreach (simplenews_newsletter_get_all() as $id => $newsletter) {
      $form['newsletters'][$id]['#description'] = Html::escape($newsletter->description);
    }
    $form['submit'] = [
      '#type' => 'submit',
      '#value' => $this
        ->t('Unsubscribe'),
    ];
    return $form;
  }

  /**
   * {@inheritdoc}
   */
  public function submitForm(array &$form, FormStateInterface $form_state) {
    $removed = [];
    $invalid = [];
    $checked_lists = array_keys(array_filter($form_state
      ->getValue('newsletters')));
    $emails = preg_split("/[\\s,]+/", $form_state
      ->getValue('emails'));
    foreach ($emails as $email) {
      $email = trim($email);
      if ($this->emailValidator
        ->isValid($email)) {
        foreach ($checked_lists as $newsletter_id) {
          $this->subscriptionManager
            ->unsubscribe($email, $newsletter_id, FALSE, 'mass unsubscribe');
          $removed[] = $email;
        }
      }
      else {
        $invalid[] = $email;
      }
    }
    if ($removed) {
      $removed = implode(", ", $removed);
      $this
        ->messenger()
        ->addMessage($this
        ->t('The following addresses were unsubscribed: %removed.', [
        '%removed' => $removed,
      ]));
      $newsletters = simplenews_newsletter_get_all();
      $list_names = [];
      foreach ($checked_lists as $newsletter_id) {
        $list_names[] = $newsletters[$newsletter_id]
          ->label();
      }
      $this
        ->messenger()
        ->addMessage($this
        ->t('The addresses were unsubscribed from the following newsletters: %newsletters.', [
        '%newsletters' => implode(', ', $list_names),
      ]));
    }
    else {
      $this
        ->messenger()
        ->addMessage($this
        ->t('No addresses were removed.'));
    }
    if ($invalid) {
      $invalid = implode(", ", $invalid);
      $this
        ->messenger()
        ->addError($this
        ->t('The following addresses were invalid: %invalid.', [
        '%invalid' => $invalid,
      ]));
    }

    // Return to the parent page.
    $form_state
      ->setRedirect('entity.simplenews_subscriber.collection');
  }

}

Classes

Name	Description
SubscriberMassUnsubscribeForm	Do a mass subscription for a list of email addresses.