public function CartBlock::getCacheTags in Commerce Core 8.2

The cache tags associated with this object.

When this object is modified, these cache tags will be invalidated.

Return value

string[] A set of cache tags.

Overrides ContextAwarePluginBase::getCacheTags

File

modules/cart/src/Plugin/Block/CartBlock.php, line 216

Class

CartBlock

Provides a cart block.

Namespace

Drupal\commerce_cart\Plugin\Block

Code

public function getCacheTags() {
  $cache_tags = parent::getCacheTags();
  $cart_cache_tags = [];

  /** @var \Drupal\commerce_order\Entity\OrderInterface[] $carts */
  $carts = $this->cartProvider
    ->getCarts();
  foreach ($carts as $cart) {

    // Add tags for all carts regardless items or cart flag.
    $cart_cache_tags = Cache::mergeTags($cart_cache_tags, $cart
      ->getCacheTags());
  }
  return Cache::mergeTags($cache_tags, $cart_cache_tags);
}