diff core/modules/workflows/src/WorkflowDeleteAccessCheck.php @ 0:c75dbcec494b

Initial commit from drush-created site

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/core/modules/workflows/src/WorkflowDeleteAccessCheck.php	Thu Jul 05 14:24:15 2018 +0000
@@ -0,0 +1,57 @@
+<?php
+
+namespace Drupal\workflows;
+
+use Drupal\Core\Access\AccessResult;
+use Drupal\Core\Entity\EntityInterface;
+use Drupal\Core\Routing\Access\AccessInterface;
+use Drupal\Core\Routing\RouteMatchInterface;
+use Drupal\Core\Session\AccountInterface;
+use Symfony\Component\Routing\Route;
+
+/**
+ * Provides a access checker for deleting a workflow state.
+ *
+ * @internal
+ *   Marked as internal until it's validated this should form part of the public
+ *   API in https://www.drupal.org/node/2897148.
+ */
+class WorkflowDeleteAccessCheck implements AccessInterface {
+
+  /**
+   * Checks access to deleting a workflow state for a particular route.
+   *
+   * The value of '_workflow_state_delete_access' is ignored. The route must
+   * have the parameters 'workflow' and 'workflow_state'. For example:
+   * @code
+   * pattern: '/foo/{workflow}/bar/{workflow_state}/delete'
+   * requirements:
+   *   _workflow_state_delete_access: 'true'
+   * @endcode
+   * @see \Drupal\Core\ParamConverter\EntityConverter
+   *
+   * @param \Symfony\Component\Routing\Route $route
+   *   The route to check against.
+   * @param \Drupal\Core\Routing\RouteMatchInterface $route_match
+   *   The parametrized route
+   * @param \Drupal\Core\Session\AccountInterface $account
+   *   The currently logged in account.
+   *
+   * @return \Drupal\Core\Access\AccessResultInterface
+   *   The access result.
+   */
+  public function access(Route $route, RouteMatchInterface $route_match, AccountInterface $account) {
+    // If there is valid entity of the given entity type, check its access.
+    $parameters = $route_match->getParameters();
+    if ($parameters->has('workflow') && $parameters->has('workflow_state')) {
+      $entity = $parameters->get('workflow');
+      if ($entity instanceof EntityInterface) {
+        return $entity->access('delete-state:' . $parameters->get('workflow_state'), $account, TRUE);
+      }
+    }
+    // No opinion, so other access checks should decide if access should be
+    // allowed or not.
+    return AccessResult::neutral();
+  }
+
+}