diff core/modules/field/src/FieldConfigStorage.php @ 0:4c8ae668cc8c

Initial import (non-working)

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/core/modules/field/src/FieldConfigStorage.php	Wed Nov 29 16:09:58 2017 +0000
@@ -0,0 +1,180 @@
+<?php
+
+namespace Drupal\field;
+
+use Drupal\Core\Config\Config;
+use Drupal\Core\Entity\EntityManagerInterface;
+use Drupal\Core\Entity\EntityTypeInterface;
+use Drupal\Core\Field\FieldConfigStorageBase;
+use Drupal\Core\Field\FieldTypePluginManagerInterface;
+use Drupal\Core\Language\LanguageManagerInterface;
+use Symfony\Component\DependencyInjection\ContainerInterface;
+use Drupal\Core\Config\ConfigFactoryInterface;
+use Drupal\Component\Uuid\UuidInterface;
+use Drupal\Core\State\StateInterface;
+
+/**
+ * Controller class for fields.
+ */
+class FieldConfigStorage extends FieldConfigStorageBase {
+
+  /**
+   * The entity manager.
+   *
+   * @var \Drupal\Core\Entity\EntityManagerInterface
+   */
+  protected $entityManager;
+
+  /**
+   * The state keyvalue collection.
+   *
+   * @var \Drupal\Core\State\StateInterface
+   */
+  protected $state;
+
+  /**
+   * The field type plugin manager.
+   *
+   * @var \Drupal\Core\Field\FieldTypePluginManagerInterface
+   */
+  protected $fieldTypeManager;
+
+  /**
+   * Constructs a FieldConfigStorage object.
+   *
+   * @param \Drupal\Core\Entity\EntityTypeInterface $entity_type
+   *   The entity type definition.
+   * @param \Drupal\Core\Config\ConfigFactoryInterface $config_factory
+   *   The config factory service.
+   * @param \Drupal\Component\Uuid\UuidInterface $uuid_service
+   *   The UUID service.
+   * @param \Drupal\Core\Language\LanguageManagerInterface $language_manager
+   *   The language manager.
+   * @param \Drupal\Core\Entity\EntityManagerInterface $entity_manager
+   *   The entity manager.
+   * @param \Drupal\Core\State\StateInterface $state
+   *   The state key value store.
+   * @param \Drupal\Core\Field\FieldTypePluginManagerInterface $field_type_manager
+   *   The field type plugin manager.
+   */
+  public function __construct(EntityTypeInterface $entity_type, ConfigFactoryInterface $config_factory, UuidInterface $uuid_service, LanguageManagerInterface $language_manager, EntityManagerInterface $entity_manager, StateInterface $state, FieldTypePluginManagerInterface $field_type_manager) {
+    parent::__construct($entity_type, $config_factory, $uuid_service, $language_manager);
+    $this->entityManager = $entity_manager;
+    $this->state = $state;
+    $this->fieldTypeManager = $field_type_manager;
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public static function createInstance(ContainerInterface $container, EntityTypeInterface $entity_type) {
+    return new static(
+      $entity_type,
+      $container->get('config.factory'),
+      $container->get('uuid'),
+      $container->get('language_manager'),
+      $container->get('entity.manager'),
+      $container->get('state'),
+      $container->get('plugin.manager.field.field_type')
+    );
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public function importDelete($name, Config $new_config, Config $old_config) {
+    // If the field storage has been deleted in the same import, the field will
+    // be deleted by then, and there is nothing left to do. Just return TRUE so
+    // that the file does not get written to active store.
+    if (!$old_config->get()) {
+      return TRUE;
+    }
+    return parent::importDelete($name, $new_config, $old_config);
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public function loadByProperties(array $conditions = []) {
+    // Include deleted fields if specified in the $conditions parameters.
+    $include_deleted = isset($conditions['include_deleted']) ? $conditions['include_deleted'] : FALSE;
+    unset($conditions['include_deleted']);
+
+    $fields = [];
+
+    // Get fields stored in configuration. If we are explicitly looking for
+    // deleted fields only, this can be skipped, because they will be
+    // retrieved from state below.
+    if (empty($conditions['deleted'])) {
+      if (isset($conditions['entity_type']) && isset($conditions['bundle']) && isset($conditions['field_name'])) {
+        // Optimize for the most frequent case where we do have a specific ID.
+        $id = $conditions['entity_type'] . '.' . $conditions['bundle'] . '.' . $conditions['field_name'];
+        $fields = $this->loadMultiple([$id]);
+      }
+      else {
+        // No specific ID, we need to examine all existing fields.
+        $fields = $this->loadMultiple();
+      }
+    }
+
+    // Merge deleted fields (stored in state) if needed.
+    if ($include_deleted || !empty($conditions['deleted'])) {
+      $deleted_fields = $this->state->get('field.field.deleted') ?: [];
+      $deleted_storages = $this->state->get('field.storage.deleted') ?: [];
+      foreach ($deleted_fields as $id => $config) {
+        // If the field storage itself is deleted, inject it directly in the field.
+        if (isset($deleted_storages[$config['field_storage_uuid']])) {
+          $config['field_storage'] = $this->entityManager->getStorage('field_storage_config')->create($deleted_storages[$config['field_storage_uuid']]);
+        }
+        $fields[$id] = $this->create($config);
+      }
+    }
+
+    // Collect matching fields.
+    $matching_fields = [];
+    foreach ($fields as $field) {
+      // Some conditions are checked against the field storage.
+      $field_storage = $field->getFieldStorageDefinition();
+
+      // Only keep the field if it matches all conditions.
+      foreach ($conditions as $key => $value) {
+        // Extract the actual value against which the condition is checked.
+        switch ($key) {
+          case 'field_name':
+            $checked_value = $field_storage->getName();
+            break;
+
+          case 'field_id':
+          case 'field_storage_uuid':
+            $checked_value = $field_storage->uuid();
+            break;
+
+          case 'uuid';
+            $checked_value = $field->uuid();
+            break;
+
+          case 'deleted';
+            $checked_value = $field->isDeleted();
+            break;
+
+          default:
+            $checked_value = $field->get($key);
+            break;
+        }
+
+        // Skip to the next field as soon as one condition does not match.
+        if ($checked_value != $value) {
+          continue 2;
+        }
+      }
+
+      // When returning deleted fields, key the results by UUID since they
+      // can include several fields with the same ID.
+      $key = $include_deleted ? $field->uuid() : $field->id();
+      $matching_fields[$key] = $field;
+    }
+
+    return $matching_fields;
+  }
+
+}