public function XquantityAddTocartForm::getFormId in Commerce Extended Quantity 8

Returns a unique string identifying the form.

The returned ID should be a unique string that can be a valid PHP function name, since it's used in hook implementation names such as hook_form_FORM_ID_alter().

Return value

string The unique string identifying the form.

Overrides AddToCartForm::getFormId

File

src/Form/XquantityAddTocartForm.php, line 40

Class

XquantityAddTocartForm

Overrides the order item add to cart form.

Namespace

Drupal\commerce_xquantity\Form

Code

public function getFormId() {
  if (empty($this->formId)) {
    $this->formId = $this
      ->getBaseFormId();
  }
  $id = $this->formId;
  if (!in_array($id, static::$formIds)) {

    /** @var \Drupal\commerce_order\Entity\OrderItemInterface $order_item */
    $order_item = $this->entity;
    if ($purchased_entity = $order_item
      ->getPurchasedEntity()) {
      extract($purchased_entity
        ->toArray());
    }
    else {
      extract($order_item
        ->toArray());
    }
    $properties = [
      'variation_id' => !isset($variation_id) ?: $variation_id,
      'uuid' => !isset($uuid) ?: $uuid,
      'uid' => !isset($uid) ?: $uid,
      'product_id' => !isset($product_id) ?: $product_id,
      'created' => !isset($created) ?: $created,
    ];
    $this->formId .= '_' . sha1(serialize($properties));
  }
  else {
    $base_id = $this
      ->getBaseFormId();

    // For the case when on a page 2+ exactly the same purchased entities.
    while (in_array($id, static::$formIds)) {
      $id = $base_id . '_' . sha1($id . $id);
    }
    $this->formId = $id;
  }
  static::$formIds[] = $this->formId;
  return $this->formId;
}