Updated to Drupal 8.5. Core Media not yet in use.

[yaffs-website] / web / core / lib / Drupal / Core / Field / DeletedFieldsRepository.php

diff --git a/web/core/lib/Drupal/Core/Field/DeletedFieldsRepository.php b/web/core/lib/Drupal/Core/Field/DeletedFieldsRepository.php
new file mode 100644 (file)
index 0000000..69f4274
--- /dev/null
+++ b/web/core/lib/Drupal/Core/Field/DeletedFieldsRepository.php
@@ -0,0 +1,97 @@
+<?php
+
+namespace Drupal\Core\Field;
+
+use Drupal\Core\State\StateInterface;
+
+/**
+ * Provides a repository for deleted field and field storage objects.
+ *
+ * @internal
+ */
+class DeletedFieldsRepository implements DeletedFieldsRepositoryInterface {
+
+  /**
+   * The state key/value store.
+   *
+   * @var \Drupal\Core\State\StateInterface
+   */
+  protected $state;
+
+  /**
+   * Constructs a new deleted fields repository.
+   *
+   * @param \Drupal\Core\State\StateInterface $state
+   *   The state key/value store.
+   */
+  public function __construct(StateInterface $state) {
+    $this->state = $state;
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public function getFieldDefinitions($field_storage_unique_id = NULL) {
+    $deleted_field_definitions = $this->state->get('field.field.deleted', []);
+
+    if ($field_storage_unique_id) {
+      $deleted_field_definitions = array_filter($deleted_field_definitions, function (FieldDefinitionInterface $field_definition) use ($field_storage_unique_id) {
+        return $field_definition->getFieldStorageDefinition()->getUniqueStorageIdentifier() === $field_storage_unique_id;
+      });
+    }
+
+    return $deleted_field_definitions;
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public function getFieldStorageDefinitions() {
+    return $this->state->get('field.storage.deleted', []);
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public function addFieldDefinition(FieldDefinitionInterface $field_definition) {
+    $deleted_field_definitions = $this->state->get('field.field.deleted', []);
+    $deleted_field_definitions[$field_definition->getUniqueIdentifier()] = $field_definition;
+    $this->state->set('field.field.deleted', $deleted_field_definitions);
+
+    return $this;
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public function addFieldStorageDefinition(FieldStorageDefinitionInterface $field_storage_definition) {
+    $deleted_storage_definitions = $this->state->get('field.storage.deleted', []);
+    $deleted_storage_definitions[$field_storage_definition->getUniqueStorageIdentifier()] = $field_storage_definition;
+    $this->state->set('field.storage.deleted', $deleted_storage_definitions);
+
+    return $this;
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public function removeFieldDefinition(FieldDefinitionInterface $field_definition) {
+    $deleted_field_definitions = $this->state->get('field.field.deleted', []);;
+    unset($deleted_field_definitions[$field_definition->getUniqueIdentifier()]);
+    $this->state->set('field.field.deleted', $deleted_field_definitions);
+
+    return $this;
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public function removeFieldStorageDefinition(FieldStorageDefinitionInterface $field_storage_definition) {
+    $deleted_storage_definitions = $this->state->get('field.storage.deleted', []);
+    unset($deleted_storage_definitions[$field_storage_definition->getUniqueStorageIdentifier()]);
+    $this->state->set('field.storage.deleted', $deleted_storage_definitions);
+
+    return $this;
+  }
+
+}