payment_stripe.patch

diff --git a/src/Event/StripeEvent.php b/src/Event/StripeEvent.php
new file mode 100644
index 0000000..00a9d40
--- /dev/null
+++ b/src/Event/StripeEvent.php
@@ -0,0 +1,56 @@
+<?php
+
+namespace Drupal\payment_stripe\Event;
+
+use Symfony\Component\EventDispatcher\Event;
+
+/**
+ * Class StripeEvent
+ *
+ * @package Drupal\payment_stripe\Event
+ */
+class StripeEvent extends Event {
+
+  /**
+   * The Event Type.
+   *
+   * @var string
+   */
+  protected $eventType;
+
+  /**
+   * The data to pass in.
+   *
+   * @var mixed
+   */
+  protected $data;
+
+  /**
+   * StripeEvent constructor.
+   *
+   * @param $eventType
+   * @param $data
+   */
+  public function __construct($eventType, $data) {
+    $this->eventType = $eventType;
+    $this->data = $data;
+  }
+
+  /**
+   * Return the event type.
+   *
+   * @return string
+   */
+  public function getEventType() {
+    return $this->eventType;
+  }
+
+  /**
+   * Return the data.
+   *
+   * @return mixed
+   */
+  public function getData() {
+    return $this->data;
+  }
+}
diff --git a/src/Event/StripeEvents.php b/src/Event/StripeEvents.php
index 2634170..1ee59d0 100644
--- a/src/Event/StripeEvents.php
+++ b/src/Event/StripeEvents.php
@@ -32,4 +32,18 @@ final class StripeEvents {
    * @Event
    */
   const WEBHOOK_CHARGE_FAILED = 'stripe.webhook_charge_failed';
+
+  /**
+   * The name of the event fired when a charge is successful.
+   *
+   * @Event
+   */
+  const CHARGE_SUCCEEDED = 'stripe.charge_succeeded';
+
+  /**
+   * The name of the event fired when a charge fails.
+   *
+   * @Event
+   */
+  const CHARGE_FAILED = 'stripe.charge_failed';
 }
diff --git a/src/Plugin/Payment/Method/StripePayment.php b/src/Plugin/Payment/Method/StripePayment.php
index f363056..3c26b99 100644
--- a/src/Plugin/Payment/Method/StripePayment.php
+++ b/src/Plugin/Payment/Method/StripePayment.php
@@ -2,20 +2,30 @@
 
 namespace Drupal\payment_stripe\Plugin\Payment\Method;
 
+use Drupal\Component\Utility\EmailValidator;
+use Drupal\Component\Utility\EmailValidatorInterface;
 use Drupal\Core\Access\AccessResult;
+use Drupal\Core\Config\ConfigFactoryInterface;
 use Drupal\Core\Extension\ModuleHandlerInterface;
+use Drupal\Core\Form\FormStateInterface;
 use Drupal\Core\Plugin\ContainerFactoryPluginInterface;
 use Drupal\Core\Session\AccountInterface;
 use Drupal\Core\Utility\Token;
 use Drupal\payment\Entity\Payment;
 use Drupal\payment\Entity\PaymentInterface;
 use Drupal\payment\EventDispatcherInterface;
+use Drupal\payment_stripe\Event\StripeEvent;
+use Symfony\Component\EventDispatcher\EventDispatcherInterface as SymfonyEventDispatcher;
 use Drupal\payment\Plugin\Payment\Method\PaymentMethodBase;
 use Drupal\payment\Plugin\Payment\Method\PaymentMethodCapturePaymentInterface;
 use Drupal\payment\Plugin\Payment\Method\PaymentMethodRefundPaymentInterface;
 use Drupal\payment\Plugin\Payment\Method\PaymentMethodUpdatePaymentStatusInterface;
 use Drupal\payment\Plugin\Payment\Status\PaymentStatusManagerInterface;
 use Symfony\Component\DependencyInjection\ContainerInterface;
+use Stripe\Charge;
+use Stripe\Error\Base as StripeBaseException;
+use Stripe\Stripe;
+use Drupal\payment_stripe\Event\StripeEvents;
 
 /**
  * A payment_stripe method that does not transfer money.
@@ -47,6 +57,27 @@ class StripePayment extends PaymentMethodBase implements ContainerFactoryPluginI
    */
   protected $paymentStatusManager;
 
+  /**
+   * The Config Factory service.
+   *
+   * @var \Drupal\Core\Config\ConfigFactoryInterface
+   */
+  protected $configFactory;
+
+  /**
+   * The Event Dispatcher service.
+   *
+   * @var \Symfony\Component\EventDispatcher\EventDispatcherInterface $eventDispatcherService;
+   */
+  protected $eventDispatcherService;
+
+  /**
+   * The Email Validation service.
+   *
+   * @var \Drupal\Component\Utility\EmailValidatorInterface
+   */
+  protected $emailValidator;
+
   /**
    * Constructs a new instance.
    *
@@ -64,17 +95,37 @@ class StripePayment extends PaymentMethodBase implements ContainerFactoryPluginI
    *   The token API.
    * @param \Drupal\payment\Plugin\Payment\Status\PaymentStatusManagerInterface $payment_status_manager
    *   The payment status manager.
+   * @param \Drupal\Core\Config\ConfigFactoryInterface $configFactory
+   *   The Config Factory Service.
+   * @param \Symfony\Component\EventDispatcher\EventDispatcherInterface $eventDispatcher
+   *   The Event Dispatcher Service.
+   * @param \Drupal\Component\Utility\EmailValidatorInterface $emailValidator
+   *   The email validation service.
    */
-  public function __construct(array $configuration, $plugin_id, array $plugin_definition, ModuleHandlerInterface $module_handler, EventDispatcherInterface $event_dispatcher, Token $token, PaymentStatusManagerInterface $payment_status_manager) {
+  public function __construct(array $configuration, $plugin_id, array $plugin_definition, ModuleHandlerInterface $module_handler, EventDispatcherInterface $event_dispatcher, Token $token, PaymentStatusManagerInterface $payment_status_manager, ConfigFactoryInterface $configFactory, SymfonyEventDispatcher $eventDispatcher, EmailValidatorInterface $emailValidator) {
     $configuration += $this->defaultConfiguration();
     parent::__construct($configuration, $plugin_id, $plugin_definition, $module_handler, $event_dispatcher, $token, $payment_status_manager);
+    $this->configFactory = $configFactory;
+    $this->eventDispatcherService = $eventDispatcher;
+    $this->emailValidator = $emailValidator;
   }
 
   /**
    * {@inheritdoc}
    */
   public static function create(ContainerInterface $container, array $configuration, $plugin_id, $plugin_definition) {
-    return new static($configuration, $plugin_id, $plugin_definition, $container->get('module_handler'), $container->get('payment.event_dispatcher'), $container->get('token'), $container->get('plugin.manager.payment.status'));
+    return new static(
+      $configuration,
+      $plugin_id,
+      $plugin_definition,
+      $container->get('module_handler'),
+      $container->get('payment.event_dispatcher'),
+      $container->get('token'),
+      $container->get('plugin.manager.payment.status'),
+      $container->get('config.factory'),
+      $container->get('event_dispatcher'),
+      $container->get('email.validator')
+    );
   }
 
   /**
@@ -207,4 +258,115 @@ class StripePayment extends PaymentMethodBase implements ContainerFactoryPluginI
     $payment->save();
   }
 
+  /**
+   * {@inheritdoc}
+   */
+  public function buildConfigurationForm(array $form, FormStateInterface $form_state) {
+    $form['first'] = [
+      '#type' => 'textfield',
+      '#title' => $this->t('First name'),
+      '#required' => TRUE,
+    ];
+    $form['last'] = [
+      '#type' => 'textfield',
+      '#title' => $this->t('Last name'),
+      '#required' => TRUE,
+    ];
+    $form['stripe'] = [
+      '#type' => 'stripe',
+      '#title' => $this->t('Credit card'),
+      "#stripe_selectors" => [
+        'first_name' => ':input[name="container[plugin_form][first]"]',
+        'last_name' => ':input[name="container[plugin_form][last]"]',
+      ],
+    ];
+    return $form;
+  }
+
+  /**
+   * {@inheritDoc}
+   */
+  public function validateConfigurationForm(array &$form, FormStateInterface $form_state) {
+    parent::validateConfigurationForm($form, $form_state); // TODO: Change the autogenerated stub
+  }
+
+  /**
+   * {@inheritDoc}
+   */
+  public function submitConfigurationForm(array &$form, FormStateInterface $form_state) {
+    $stripe_token = $form_state->getValue('container')['plugin_form']['stripe'];
+    $description = isset($this->getPayment()->lineItemTitle) ? $this->getPayment()->lineItemTitle : $this->configFactory->get('system.site')->get('name');
+    $email = $this->getPayment()->getOwner()->getEmail();
+    $charge = $this->createCharge($stripe_token, $this->getPayment()->getAmount(), $description, $email);
+    if ($charge) {
+      $eventType = $charge->status == 'succeeded' ? StripeEvents::CHARGE_SUCCEEDED : StripeEvents::CHARGE_FAILED;
+      $data = [
+        'charge' => $charge,
+        'payment' => $this->getPayment(),
+      ];
+      $event = new StripeEvent($eventType, $data);
+
+      $this->eventDispatcherService->dispatch($eventType, $event);
+      parent::submitConfigurationForm($form, $form_state);
+    }
+  }
+
+  /**
+   * Helper function for test charge.
+   *
+   * @param string $stripe_token
+   *   Stripe API token.submitSelectorForm
+   * @param int $amount
+   *   Amount for charge.
+   * @param $description
+   *   The line item description.
+   * @param string $email
+   *   The email to send a receipt from.
+   *
+   * @return \Stripe\Charge /Stripe/Charge
+   *   Charge object.
+   */
+  private function createCharge($stripe_token, $amount, $description, $email = '') {
+    try {
+      $secret = $this->getEnvironmentInfo()['secret'];
+      Stripe::setApiKey($secret);
+      $data = [
+        'amount' => $amount * 100,
+        'currency' => 'USD',
+        'description' => $description,
+        'source' => $stripe_token,
+      ];
+      if (!empty($email) && $this->emailValidator->isValid($email)) {
+        $data['receipt_email'] = $email;
+      }
+      $charge = Charge::create($data);
+      return $charge;
+    }
+    catch (StripeBaseException $e) {
+      $this->messenger()->addError($this->t('Stripe error: %error', ['%error' => $e->getMessage()]));
+    }
+  }
+
+  /**
+   * @return \Drupal\Core\Config\ImmutableConfig
+   */
+  private function getStripeSettings() {
+    return $this->configFactory->get('stripe.settings');
+  }
+
+  /**
+   * @return array|mixed|null
+   */
+  private function getEnvironment() {
+    return $this->getStripeSettings()->get('environment');
+  }
+
+  /**
+   * @return array|mixed|null
+   */
+  private function getEnvironmentInfo() {
+    $environment = $this->getEnvironment();
+    return $this->getStripeSettings()->get('apikey.'. $environment);
+  }
+
 }