Updated Drupal to 8.6. This goes with the following updates because it's possible...

[yaffs-website] / web / core / modules / workspaces / src / Plugin / Validation / Constraint / DeletedWorkspaceConstraintValidator.php

diff --git a/web/core/modules/workspaces/src/Plugin/Validation/Constraint/DeletedWorkspaceConstraintValidator.php b/web/core/modules/workspaces/src/Plugin/Validation/Constraint/DeletedWorkspaceConstraintValidator.php
new file mode 100644 (file)
index 0000000..070e890
--- /dev/null
+++ b/web/core/modules/workspaces/src/Plugin/Validation/Constraint/DeletedWorkspaceConstraintValidator.php
@@ -0,0 +1,64 @@
+<?php
+
+namespace Drupal\workspaces\Plugin\Validation\Constraint;
+
+use Drupal\Core\DependencyInjection\ContainerInjectionInterface;
+use Drupal\workspaces\WorkspaceAssociationStorageInterface;
+use Symfony\Component\DependencyInjection\ContainerInterface;
+use Symfony\Component\Validator\Constraint;
+use Symfony\Component\Validator\ConstraintValidator;
+
+/**
+ * Checks if data still exists for a deleted workspace ID.
+ */
+class DeletedWorkspaceConstraintValidator extends ConstraintValidator implements ContainerInjectionInterface {
+
+  /**
+   * The workspace association storage.
+   *
+   * @var \Drupal\workspaces\WorkspaceAssociationStorageInterface
+   */
+  protected $workspaceAssociationStorage;
+
+  /**
+   * Creates a new DeletedWorkspaceConstraintValidator instance.
+   *
+   * @param \Drupal\workspaces\WorkspaceAssociationStorageInterface $workspace_association_storage
+   *   The workspace association storage.
+   */
+  public function __construct(WorkspaceAssociationStorageInterface $workspace_association_storage) {
+    $this->workspaceAssociationStorage = $workspace_association_storage;
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public static function create(ContainerInterface $container) {
+    return new static(
+      $container->get('entity_type.manager')->getStorage('workspace_association')
+    );
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public function validate($value, Constraint $constraint) {
+    /** @var \Drupal\Core\Field\FieldItemListInterface $value */
+    // This constraint applies only to newly created workspace entities.
+    if (!isset($value) || !$value->getEntity()->isNew()) {
+      return;
+    }
+
+    $count = $this->workspaceAssociationStorage
+      ->getQuery()
+      ->allRevisions()
+      ->accessCheck(FALSE)
+      ->condition('workspace', $value->getEntity()->id())
+      ->count()
+      ->execute();
+    if ($count) {
+      $this->context->addViolation($constraint->message);
+    }
+  }
+
+}