public function EditQuantity::viewsFormValidate in Commerce Core 8.2

Validate handler for the views form.

Parameters

array $form: An associative array containing the structure of the form.

\Drupal\Core\Form\FormStateInterface $form_state: The current state of the form.

File

modules/cart/src/Plugin/views/field/EditQuantity.php, line 194

Class

EditQuantity

Defines a form element for editing the order item quantity.

Namespace

Drupal\commerce_cart\Plugin\views\field

Code

public function viewsFormValidate(array &$form, FormStateInterface $form_state) {
  $triggering_element = $form_state
    ->getTriggeringElement();
  if (empty($triggering_element['#update_cart'])) {

    // Don't run when the "Remove" or "Empty cart" buttons are pressed.
    return;
  }
  $quantities = $form_state
    ->getValue($this->options['id'], []);
  foreach ($quantities as $row_index => $quantity) {
    if (!is_numeric($quantity) || $quantity <= 0) {
      continue;
    }

    /** @var \Drupal\commerce_order\Entity\OrderItemInterface $order_item */
    $order_item = $this
      ->getEntity($this->view->result[$row_index]);
    if ($order_item
      ->getQuantity() == $quantity) {

      // The quantity hasn't changed.
      continue;
    }

    // Save the original quantity so it can be restored after validation.
    $original_quantity = $order_item
      ->getQuantity();

    // Set the new quantity so the right quantity is validated.
    $order_item
      ->setQuantity($quantity);
    $violations = $order_item
      ->validate()
      ->filterByFields(array_diff(array_keys($order_item
      ->getFieldDefinitions()), [
      'purchased_entity',
      'quantity',
    ]));
    foreach ($violations as $violation) {

      /** @var \Symfony\Component\Validator\ConstraintViolationInterface $violation */
      $form_state
        ->setError($form[$this->options['id']][$row_index], $violation
        ->getMessage());
    }

    // Restore the quantity so the logic in viewsFormSubmit() proceeds with
    // the quantity update.
    $order_item
      ->setQuantity($original_quantity);
  }
}