LiveChatLicenseForm.php in LiveChat 8

Namespace

Drupal\livechat\Form

File

src/Form/LiveChatLicenseForm.php

<?php

namespace Drupal\livechat\Form;

use Drupal\Core\Form\ConfigFormBase;
use Drupal\Core\Form\FormStateInterface;
use Drupal\Core\Config\ConfigFactoryInterface;
use Drupal\Core\Logger\RfcLogLevel;
use GuzzleHttp\Client;
use GuzzleHttp\Exception\RequestException;
use Drupal\Component\Serialization\Json;
use Symfony\Component\DependencyInjection\ContainerInterface;

/**
 * Configure Coffee for this site.
 */
class LiveChatLicenseForm extends ConfigFormBase {

  /**
   * A guzzle http client instance.
   *
   * @var \GuzzleHttp\Client
   */
  protected $httpClient;

  /**
   * {@inheritdoc}
   */
  public function __construct(ConfigFactoryInterface $config_factory, Client $http_client) {
    parent::__construct($config_factory);
    $this->httpClient = $http_client;
  }

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

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

  /**
   * {@inheritdoc}
   */
  protected function getEditableConfigNames() {
    return [
      LIVECHAT_CONFIGURATION_NAME,
    ];
  }

  /**
   * {@inheritdoc}
   */
  public function buildForm(array $form, FormStateInterface $form_state) {
    $config = $this
      ->config(LIVECHAT_CONFIGURATION_NAME);
    $form['account'] = [
      '#type' => 'details',
      '#open' => TRUE,
      '#title' => $this
        ->t('Account details'),
    ];
    $form['account']['login'] = [
      '#type' => 'email',
      '#title' => $this
        ->t('LiveChat login'),
      '#description' => $this
        ->t('User account login: [e-mail]'),
      '#default_value' => $config
        ->get('livechat_login'),
      '#required' => TRUE,
    ];
    if (!empty($config
      ->get('livechat_login')) && !empty($config
      ->get('livechat_license'))) {
      $form['account']['license_number'] = [
        '#type' => 'textfield',
        '#title' => $this
          ->t('License number'),
        '#default_value' => $config
          ->get('livechat_license'),
        '#required' => TRUE,
        '#attributes' => [
          'disabled' => 'disabled',
        ],
      ];
    }
    return parent::buildForm($form, $form_state);
  }

  /**
   * {@inheritdoc}
   */
  public function validateForm(array &$form, FormStateInterface $form_state) {

    // Validate the license number.
    $login = $form_state
      ->getValue('login');
    if (!empty($login)) {
      try {
        $license_number_request = LIVECHAT_API_LICENSE_NUMBER . '/' . $login;
        $response = $this->httpClient
          ->get($license_number_request);
        $data = $response
          ->getBody()
          ->getContents();
        if (!empty($data)) {
          $json = Json::decode($data);
          if (!empty($json['number'])) {
            if (livechat_validate_license($json['number'])) {
              $form_state
                ->setValue('license_number', $json['number']);
            }
            else {
              $form_state
                ->setErrorByName('login', $this
                ->t('LiveChat license number is incorrect.'));
            }
          }
          elseif (!empty($json['error'])) {
            $form_state
              ->setErrorByName('login', $json['error']);
          }
        }
      } catch (RequestException $e) {
        watchdog_exception('LiveChat', $e, $e
          ->getMessage(), [], RfcLogLevel::ERROR, $license_number_request);
        $form_state
          ->setErrorByName('login', $e
          ->getMessage());
      }
    }
  }

  /**
   * {@inheritdoc}
   */
  public function submitForm(array &$form, FormStateInterface $form_state) {
    $values = $form_state
      ->getValues();
    $this
      ->config(LIVECHAT_CONFIGURATION_NAME)
      ->set('livechat_login', $values['login'])
      ->set('livechat_license', $values['license_number'])
      ->save();
    parent::submitForm($form, $form_state);
  }

}

Classes

Name	Description
LiveChatLicenseForm	Configure Coffee for this site.