uc_gc_client-8.x-1.x-dev/src/Form/CountriesForm.php

<?php

namespace Drupal\uc_gc_client\Form;

use Drupal\Core\Form\FormStateInterface;
use Drupal\Core\Form\FormBase;
use Drupal\uc_country\Controller\CountryController;
use Drupal\Core\Config\ConfigFactoryInterface;
use Symfony\Component\DependencyInjection\ContainerInterface;

/**
 * Interface for managing GoCardless enabled countries.
 */
class CountriesForm extends FormBase {

  /**
   * Constructs a new CountriesForm object.
   *
   * @param \Drupal\Core\Config\ConfigFactoryInterface $configFactory
   *   The config factory.
   */
  public function __construct(ConfigFactoryInterface $configFactory) {
    $this->config = $configFactory->get('uc_gc_client.settings')->get();
    $this->configEditable = $configFactory->getEditable('uc_gc_client.settings');
  }

  /**
   * {@inheritdoc}
   */
  public static function create(ContainerInterface $container) {
    return new static(
      $container->get('config.factory')
    );
  }

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

  /**
   * {@inheritdoc}
   */
  public function buildForm(array $form, FormStateInterface $form_state) {
    $countryController = new CountryController();
    $uc_countries = $countryController->countryOptionsCallback();
    $gc_countries = $this->config['countries'];
    $regions = $this->config['regions'];
    $countries = [];
    $default_value = [];
    foreach ($gc_countries as $gc_code => $gc_country) {
      if (isset($uc_countries[$gc_code])) {
        $country_name = $uc_countries[$gc_code]->render();
        $countries_[$country_name] = $gc_code;
      }
    }
    ksort($countries_);

    foreach ($countries_ as $name => $gc_code) {
      $countries[$gc_code] = [
        $name,
        $regions[$gc_countries[$gc_code]['region']],
        $gc_countries[$gc_code]['sign'],
      ];
      if ($gc_countries[$gc_code]['enabled']) {
        $default_value[$gc_code] = TRUE;
      }
    }

    $form = [];
    $form['markup'] = [
      '#markup' => $this->t('<p>Countries should first be enabled in Ubercart before they can be enabled / disabled here.</p>'),
    ];
    $header = ['Country', 'Direct debit scheme', 'Currency'];
    $form['countries'] = [
      '#type' => 'tableselect',
      '#header' => $header,
      '#options' => $countries,
      '#empty' => $this->t('No countries available.'),
      '#default_value' => $default_value,
    ];
    $form['submit'] = [
      '#type' => 'submit',
      '#value' => $this->t('Enable / disable countries'),
    ];
    return $form;
  }

  /**
   * {@inheritdoc}
   */
  public function submitForm(array &$form, FormStateInterface $form_state) {
    $countries = $form_state->getValue(['countries']);
    $gc_countries = $this->config['countries'];
    foreach ($countries as $code => $country) {
      if ($country) {
        $gc_countries[$code]['enabled'] = 1;
      }
      else {
        $gc_countries[$code]['enabled'] = 0;
      }
    }
    $this->configEditable->set('countries', $gc_countries)->save();
    drupal_set_message($this->t('Countries available to GoCardless have been updated.'));
  }

}