Resolve the current store

The first store created in Commerce is saved as the default store in commerce_store.settings.yml. This is used in \Drupal\commerce_store\Resolver\DefaultStoreResolver to load the site's default store..

In order to load a different store we must create a new StoreResolver. In this example, use a store ID set in a cookie to load the relevant store.

Copy DefaultStoreResolver to your module (in /src/Resolver/) and rename to CookieStoreResolver. Change the code in resolve() to load the store ID from the cookie and return it.


namespace Drupal\cookie_store\Resolver;

use Drupal\Core\Entity\EntityTypeManagerInterface;
use Drupal\commerce_store\Resolver\StoreResolverInterface;
use Drupal\commerce_store\Entity\Store;
use Symfony\Component\HttpFoundation\RequestStack;

 * Returns the store for an ID set in a cookie.
class CookieStoreResolver implements StoreResolverInterface {

   * The store storage.
   * @var \Drupal\commerce_store\StoreStorageInterface
  protected $storage;

   * The request stack.
   * @var \Symfony\Component\HttpFoundation\RequestStack
  protected $requestStack;

   * Constructs a new CookieStoreResolver object.
   * @param \Drupal\Core\Entity\EntityTypeManagerInterface $entity_type_manager
   *   The entity type manager.
   * @param \Symfony\Component\HttpFoundation\RequestStack $request_stack
   *   The request stack.
  public function __construct(EntityTypeManagerInterface $entity_type_manager, RequestStack $request_stack) {
    $this->storage = $entity_type_manager->getStorage('commerce_store');
    $this->requestStack = $request_stack;

   * {@inheritdoc}
  public function resolve() {
      $current_request = $this->requestStack->getCurrentRequest();
      $store_id = $current_request->cookies->get('Drupal_visitor_store_id');

      if ($store_id) {
          $store = $this->storage->load($store_id);
          return $store;

In your module's services file, add CookieStoreResolver with the commerce_store.store_resolver tag.

  class: Drupal\cookie_store\Resolver\CookieStoreResolver
  arguments: ['@entity_type.manager', '@request_stack']
    - { name: commerce_store.store_resolver, priority: 100 }

For more info about service tags:

ChainStoreResolver is a service_collector, and defines the commerce_store.store_resolver service tag. DefaultStoreResolver and CookieStoreResolver are services tagged with commerce_store.store_resolver.

Note that CookieStoreResolver has a higher priority (100) than DefaultStoreResolver (-100), which allows it to override. Look at to see how this is defined. Having a higher priority means that the CookieStoreResolver has the first opportunity to determine the current store.

For more information about resolvers, see Understanding resolvers

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