diff --git a/islandora.services.yml b/islandora.services.yml
index 4b3a9d16..e48818b9 100644
--- a/islandora.services.yml
+++ b/islandora.services.yml
@@ -59,3 +59,9 @@ services:
arguments: ['@jwt.authentication.jwt']
tags:
- { name: event_subscriber }
+ islandora.upload_children.batch_processor:
+ class: Drupal\islandora\Form\AddChildrenWizard\BatchProcessor
+ arguments:
+ - '@entity_type.manager'
+ - '@database'
+ - '@current_user'
diff --git a/src/Form/AddChildrenWizard/BatchProcessor.php b/src/Form/AddChildrenWizard/BatchProcessor.php
new file mode 100644
index 00000000..2e4a84bf
--- /dev/null
+++ b/src/Form/AddChildrenWizard/BatchProcessor.php
@@ -0,0 +1,190 @@
+<?php
+
+namespace Drupal\islandora\Form\AddChildrenWizard;
+
+use Drupal\Core\Database\Connection;
+use Drupal\Core\Entity\EntityTypeManagerInterface;
+use Drupal\Core\Session\AccountProxyInterface;
+use Drupal\Core\Url;
+use Drupal\islandora\IslandoraUtils;
+use Drupal\node\NodeInterface;
+use Symfony\Component\HttpKernel\Exception\HttpException;
+use Symfony\Component\HttpKernel\Exception\HttpExceptionInterface;
+
+/**
+ * Children addition batch processor.
+ */
+class BatchProcessor {
+
+ use FieldTrait;
+
+ /**
+ * The entity type manager service.
+ *
+ * @var \Drupal\Core\Entity\EntityTypeManagerInterface|null
+ */
+ protected ?EntityTypeManagerInterface $entityTypeManager;
+
+ /**
+ * The database connection serivce.
+ *
+ * @var \Drupal\Core\Database\Connection|null
+ */
+ protected ?Connection $database;
+
+ /**
+ * The current user.
+ *
+ * @var \Drupal\Core\Session\AccountProxyInterface|null
+ */
+ protected ?AccountProxyInterface $currentUser;
+
+ /**
+ * Constructor.
+ */
+ public function __construct(
+ EntityTypeManagerInterface $entity_type_manager,
+ Connection $database,
+ AccountProxyInterface $current_user
+ ) {
+ $this->entityTypeManager = $entity_type_manager;
+ $this->database = $database;
+ $this->currentUser = $current_user;
+ }
+
+ /**
+ * Implements callback_batch_operation() for our child addition batch.
+ */
+ public function batchOperation($delta, $info, array $values, &$context) {
+ $transaction = $this->database->startTransaction();
+
+ try {
+ $taxonomy_term_storage = $this->entityTypeManager->getStorage('taxonomy_term');
+
+ /** @var \Drupal\file\FileInterface $file */
+ $file = $this->entityTypeManager->getStorage('file')->load($info['target_id']);
+ $file->setPermanent();
+ if ($file->save() !== SAVED_UPDATED) {
+ throw new \Exception("Failed to update file '{$file->id()}' to be permanent.");
+ }
+
+ $node_storage = $this->entityTypeManager->getStorage('node');
+ $parent = $node_storage->load($values['node']);
+
+ // Create a node (with the filename?) (and also belonging to the target
+ // node).
+ /** @var \Drupal\node\NodeInterface $node */
+ $node = $node_storage->create([
+ 'type' => $values['bundle'],
+ 'title' => $file->getFilename(),
+ IslandoraUtils::MEMBER_OF_FIELD => $parent,
+ 'uid' => $this->currentUser->id(),
+ 'status' => NodeInterface::PUBLISHED,
+ IslandoraUtils::MODEL_FIELD => ($values['model'] ?
+ $taxonomy_term_storage->load($values['model']) :
+ NULL),
+ ]);
+
+ if ($node->save() !== SAVED_NEW) {
+ throw new \Exception("Failed to create node for file '{$file->id()}'.");
+ }
+
+ // Create a media with the file attached and also pointing at the node.
+ $field = $this->getField($values);
+
+ $media_values = array_merge(
+ [
+ 'bundle' => $values['media_type'],
+ 'name' => $file->getFilename(),
+ IslandoraUtils::MEDIA_OF_FIELD => $node,
+ IslandoraUtils::MEDIA_USAGE_FIELD => ($values['use'] ?
+ $taxonomy_term_storage->loadMultiple($values['use']) :
+ NULL),
+ 'uid' => $this->currentUser->id(),
+ // XXX: Published... no constant?
+ 'status' => 1,
+ ],
+ [
+ $field->getName() => [
+ $info,
+ ],
+ ]
+ );
+ $media = $this->entityTypeManager->getStorage('media')->create($media_values);
+ if ($media->save() !== SAVED_NEW) {
+ throw new \Exception("Failed to create media for file '{$file->id()}.");
+ }
+
+ $context['results'] = array_merge_recursive($context['results'], [
+ 'validation_violations' => $this->validationClassification([
+ $file,
+ $media,
+ $node,
+ ]),
+ ]);
+ $context['results']['count'] += 1;
+ }
+ catch (HttpExceptionInterface $e) {
+ $transaction->rollBack();
+ throw $e;
+ }
+ catch (\Exception $e) {
+ $transaction->rollBack();
+ throw new HttpException(500, $e->getMessage(), $e);
+ }
+ }
+
+ /**
+ * Helper to bulk process validatable entities.
+ *
+ * @param array $entities
+ * An array of entities to scan for validation violations.
+ *
+ * @return array
+ * An associative array mapping entity type IDs to entity IDs to a count
+ * of validation violations found on then given entity.
+ */
+ protected function validationClassification(array $entities) {
+ $violations = [];
+
+ foreach ($entities as $entity) {
+ $entity_violations = $entity->validate();
+ if ($entity_violations->count() > 0) {
+ $violations[$entity->getEntityTypeId()][$entity->id()] = $entity_violations->count();
+ }
+ }
+
+ return $violations;
+ }
+
+ /**
+ * Implements callback_batch_finished() for our child addition batch.
+ */
+ public function batchProcessFinished($success, $results, $operations): void {
+ if ($success) {
+ $this->messenger()->addMessage($this->formatPlural(
+ $results['count'],
+ 'Added 1 child node.',
+ 'Added @count child nodes.'
+ ));
+ foreach ($results['validation_violations'] ?? [] as $entity_type => $info) {
+ foreach ($info as $id => $count) {
+ $this->messenger()->addWarning($this->formatPlural(
+ $count,
+ '1 validation error present in <a href=":uri">bulk created entity of type %type, with ID %id</a>.',
+ '@count validation errors present in <a href=":uri">bulk created entity of type %type, with ID %id</a>.',
+ [
+ '%type' => $entity_type,
+ ':uri' => Url::fromRoute("entity.{$entity_type}.canonical", [$entity_type => $id])->toString(),
+ '%id' => $id,
+ ]
+ ));
+ }
+ }
+ }
+ else {
+ $this->messenger()->addError($this->t('Encountered an error when adding children.'));
+ }
+ }
+
+}
diff --git a/src/Form/AddChildrenWizard/FieldTrait.php b/src/Form/AddChildrenWizard/FieldTrait.php
new file mode 100644
index 00000000..156000e3
--- /dev/null
+++ b/src/Form/AddChildrenWizard/FieldTrait.php
@@ -0,0 +1,66 @@
+<?php
+
+namespace Drupal\islandora\Form\AddChildrenWizard;
+
+use Drupal\Core\Entity\EntityFieldManagerInterface;
+use Drupal\Core\Field\FieldDefinitionInterface;
+
+/**
+ * Field lookup helper trait.
+ */
+trait FieldTrait {
+
+ use MediaTypeTrait;
+
+ /**
+ * The entity field manager service.
+ *
+ * @var \Drupal\Core\Entity\EntityFieldManagerInterface|null
+ */
+ protected ?EntityFieldManagerInterface $entityFieldManager;
+
+ /**
+ * Helper; get field instance, given our required values.
+ *
+ * @param array $values
+ * See ::getMediaType() for which values are required.
+ *
+ * @return \Drupal\Core\Field\FieldDefinitionInterface
+ * The target field.
+ *
+ * @throws \Drupal\Component\Plugin\Exception\InvalidPluginDefinitionException
+ * @throws \Drupal\Component\Plugin\Exception\PluginNotFoundException
+ */
+ protected function getField(array $values): FieldDefinitionInterface {
+ $media_type = $this->getMediaType($values);
+ $media_source = $media_type->getSource();
+ $source_field = $media_source->getSourceFieldDefinition($media_type);
+
+ $fields = $this->entityFieldManager()->getFieldDefinitions('media', $media_type->id());
+
+ return $fields[$source_field->getFieldStorageDefinition()->getName()] ??
+ $media_source->createSourceField();
+ }
+
+ /**
+ * Lazy-initialization of the entity field manager service.
+ *
+ * @return \Drupal\Core\Entity\EntityFieldManagerInterface
+ * The entity field manager service.
+ */
+ protected function entityFieldManager() : EntityFieldManagerInterface {
+ if ($this->entityFieldManager === NULL) {
+ $this->setEntityFieldManager(\Drupal::service('entity_field.manager'));
+ }
+ return $this->entityFieldManager;
+ }
+
+ /**
+ * Setter for entity field manager.
+ */
+ public function setEntityFieldManager(EntityFieldManagerInterface $entity_field_manager) : self {
+ $this->entityFieldManager = $entity_field_manager;
+ return $this;
+ }
+
+}
diff --git a/src/Form/AddChildrenWizard/FileSelectionForm.php b/src/Form/AddChildrenWizard/FileSelectionForm.php
index 8d29bab3..084eb5e5 100644
--- a/src/Form/AddChildrenWizard/FileSelectionForm.php
+++ b/src/Form/AddChildrenWizard/FileSelectionForm.php
@@ -2,11 +2,8 @@
namespace Drupal\islandora\Form\AddChildrenWizard;
-use Drupal\Component\Plugin\PluginManagerInterface;
use Drupal\Core\Batch\BatchBuilder;
use Drupal\Core\Database\Connection;
-use Drupal\Core\Entity\EntityFieldManagerInterface;
-use Drupal\Core\Entity\EntityTypeManagerInterface;
use Drupal\Core\Field\FieldDefinitionInterface;
use Drupal\Core\Field\FieldItemList;
use Drupal\Core\Field\FieldStorageDefinitionInterface;
@@ -15,38 +12,19 @@ use Drupal\Core\Form\FormBase;
use Drupal\Core\Form\FormStateInterface;
use Drupal\Core\Session\AccountProxyInterface;
use Drupal\Core\Url;
-use Drupal\islandora\IslandoraUtils;
use Drupal\media\MediaTypeInterface;
-use Drupal\node\NodeInterface;
use Symfony\Component\DependencyInjection\ContainerInterface;
-use Symfony\Component\HttpKernel\Exception\HttpException;
-use Symfony\Component\HttpKernel\Exception\HttpExceptionInterface;
/**
* Children addition wizard's second step.
*/
class FileSelectionForm extends FormBase {
- /**
- * The entity type manager service.
- *
- * @var \Drupal\Core\Entity\EntityTypeManagerInterface|null
- */
- protected ?EntityTypeManagerInterface $entityTypeManager;
-
- /**
- * The widget plugin manager service.
- *
- * @var \Drupal\Core\Field\WidgetPluginManager|null
- */
- protected ?PluginManagerInterface $widgetPluginManager;
-
- /**
- * The entity field manager service.
- *
- * @var \Drupal\Core\Entity\EntityFieldManagerInterface|null
- */
- protected ?EntityFieldManagerInterface $entityFieldManager;
+ use WizardTrait {
+ WizardTrait::getField as doGetField;
+ WizardTrait::getMediaType as doGetMediaType;
+ WizardTrait::getWidget as doGetWidget;
+ }
/**
* The database connection serivce.
@@ -62,6 +40,13 @@ class FileSelectionForm extends FormBase {
*/
protected ?AccountProxyInterface $currentUser;
+ /**
+ * The batch processor service.
+ *
+ * @var \Drupal\islandora\Form\AddChildrenWizard\BatchProcessor|null
+ */
+ protected ?BatchProcessor $batchProcessor;
+
/**
* {@inheritdoc}
*/
@@ -74,6 +59,8 @@ class FileSelectionForm extends FormBase {
$instance->database = $container->get('database');
$instance->currentUser = $container->get('current_user');
+ $instance->batchProcessor = $container->get('islandora.upload_children.batch_processor');
+
return $instance;
}
@@ -100,24 +87,6 @@ class FileSelectionForm extends FormBase {
return $this->doGetMediaType($form_state->getTemporaryValue('wizard'));
}
- /**
- * Helper; get media type, given our required values.
- *
- * @param array $values
- * An associative array which must contain at least:
- * - media_type: The machine name of the media type to load.
- *
- * @return \Drupal\media\MediaTypeInterface
- * The loaded media type.
- *
- * @throws \Drupal\Component\Plugin\Exception\InvalidPluginDefinitionException
- * @throws \Drupal\Component\Plugin\Exception\PluginNotFoundException
- */
- protected function doGetMediaType(array $values): MediaTypeInterface {
- /** @var \Drupal\media\MediaTypeInterface $media_type */
- return $this->entityTypeManager->getStorage('media_type')->load($values['media_type']);
- }
-
/**
* Helper; get field instance, based off discovering from form state.
*
@@ -136,26 +105,6 @@ class FileSelectionForm extends FormBase {
return $field;
}
- /**
- * Helper; get field instance, given our required values.
- *
- * @param array $values
- * See ::doGetMediaType() for which values are required.
- *
- * @return \Drupal\Core\Field\FieldDefinitionInterface
- * The target field.
- */
- protected function doGetField(array $values): FieldDefinitionInterface {
- $media_type = $this->doGetMediaType($values);
- $media_source = $media_type->getSource();
- $source_field = $media_source->getSourceFieldDefinition($media_type);
-
- $fields = $this->entityFieldManager->getFieldDefinitions('media', $media_type->id());
-
- return $fields[$source_field->getFieldStorageDefinition()->getName()] ??
- $media_source->createSourceField();
- }
-
/**
* Helper; get widget for the field, based on discovering from form state.
*
@@ -169,23 +118,6 @@ class FileSelectionForm extends FormBase {
return $this->doGetWidget($this->getField($form_state));
}
- /**
- * Helper; get the base widget for the given field.
- *
- * @param \Drupal\Core\Field\FieldDefinitionInterface $field
- * The field for which get obtain the widget.
- *
- * @return \Drupal\Core\Field\WidgetInterface
- * The widget.
- */
- protected function doGetWidget(FieldDefinitionInterface $field): WidgetInterface {
- return $this->widgetPluginManager->getInstance([
- 'field_definition' => $field,
- 'form_mode' => 'default',
- 'prepare' => TRUE,
- ]);
- }
-
/**
* {@inheritdoc}
*/
@@ -218,12 +150,12 @@ class FileSelectionForm extends FormBase {
$builder = (new BatchBuilder())
->setTitle($this->t('Creating children...'))
->setInitMessage($this->t('Initializing...'))
- ->setFinishCallback([$this, 'batchProcessFinished']);
+ ->setFinishCallback([$this->batchProcessor, 'batchProcessFinished']);
$values = $form_state->getValue($this->doGetField($cached_values)->getName());
$massaged_values = $widget->massageFormValues($values, $form, $form_state);
foreach ($massaged_values as $delta => $file) {
$builder->addOperation(
- [$this, 'batchProcess'],
+ [$this->batchProcessor, 'batchOperation'],
[$delta, $file, $cached_values]
);
}
@@ -231,134 +163,4 @@ class FileSelectionForm extends FormBase {
$form_state->setRedirectUrl(Url::fromUri("internal:/node/{$cached_values['node']}/members"));
}
- /**
- * Implements callback_batch_operation() for our child addition batch.
- */
- public function batchProcess($delta, $info, array $values, &$context) {
- $transaction = $this->database->startTransaction();
-
- try {
- $taxonomy_term_storage = $this->entityTypeManager->getStorage('taxonomy_term');
-
- /** @var \Drupal\file\FileInterface $file */
- $file = $this->entityTypeManager->getStorage('file')->load($info['target_id']);
- $file->setPermanent();
- if ($file->save() !== SAVED_UPDATED) {
- throw new \Exception("Failed to update file '{$file->id()}' to be permanent.");
- }
-
- $node_storage = $this->entityTypeManager->getStorage('node');
- $parent = $node_storage->load($values['node']);
-
- // Create a node (with the filename?) (and also belonging to the target
- // node).
- /** @var \Drupal\node\NodeInterface $node */
- $node = $node_storage->create([
- 'type' => $values['bundle'],
- 'title' => $file->getFilename(),
- IslandoraUtils::MEMBER_OF_FIELD => $parent,
- 'uid' => $this->currentUser->id(),
- 'status' => NodeInterface::PUBLISHED,
- IslandoraUtils::MODEL_FIELD => ($values['model'] ?
- $taxonomy_term_storage->load($values['model']) :
- NULL),
- ]);
-
- if ($node->save() !== SAVED_NEW) {
- throw new \Exception("Failed to create node for file '{$file->id()}'.");
- }
-
- // Create a media with the file attached and also pointing at the node.
- $field = $this->doGetField($values);
-
- $media_values = array_merge(
- [
- 'bundle' => $values['media_type'],
- 'name' => $file->getFilename(),
- IslandoraUtils::MEDIA_OF_FIELD => $node,
- IslandoraUtils::MEDIA_USAGE_FIELD => ($values['use'] ?
- $taxonomy_term_storage->loadMultiple($values['use']) :
- NULL),
- 'uid' => $this->currentUser->id(),
- // XXX: Published... no constant?
- 'status' => 1,
- ],
- [
- $field->getName() => [
- $info,
- ],
- ]
- );
- $media = $this->entityTypeManager->getStorage('media')->create($media_values);
- if ($media->save() !== SAVED_NEW) {
- throw new \Exception("Failed to create media for file '{$file->id()}.");
- }
-
- $context['results'] = array_merge_recursive($context['results'], [
- 'validation_violations' => $this->validationClassification([
- $file,
- $media,
- $node,
- ]),
- ]);
- $context['results']['count'] += 1;
- }
- catch (HttpExceptionInterface $e) {
- $transaction->rollBack();
- throw $e;
- }
- catch (\Exception $e) {
- $transaction->rollBack();
- throw new HttpException(500, $e->getMessage(), $e);
- }
- }
-
- /**
- * @param array $entities
- *
- * @return array
- */
- protected function validationClassification(array $entities) {
- $violations = [];
-
- foreach ($entities as $entity) {
- $entity_violations = $entity->validate();
- if ($entity_violations->count() > 0) {
- $violations[$entity->getEntityTypeId()][$entity->id()] = $entity_violations->count();
- }
- }
-
- return $violations;
- }
-
- /**
- * Implements callback_batch_finished() for our child addition batch.
- */
- public function batchProcessFinished($success, $results, $operations): void {
- if ($success) {
- $this->messenger()->addMessage($this->formatPlural(
- $results['count'],
- 'Added 1 child node.',
- 'Added @count child nodes.'
- ));
- foreach ($results['validation_violations'] ?? [] as $entity_type => $info) {
- foreach ($info as $id => $count) {
- $this->messenger()->addWarning($this->formatPlural(
- $count,
- '1 validation error present in <a href=":uri">bulk created entity of type %type, with ID %id</a>.',
- '@count validation errors present in <a href=":uri">bulk created entity of type %type, with ID %id</a>.',
- [
- '%type' => $entity_type,
- ':uri' => Url::fromRoute("entity.{$entity_type}.canonical", [$entity_type => $id])->toString(),
- '%id' => $id,
- ]
- ));
- }
- }
- }
- else {
- $this->messenger()->addError($this->t('Encountered an error when adding children.'));
- }
- }
-
}
diff --git a/src/Form/AddChildrenWizard/Form.php b/src/Form/AddChildrenWizard/Form.php
index 68489f18..97ac8b23 100644
--- a/src/Form/AddChildrenWizard/Form.php
+++ b/src/Form/AddChildrenWizard/Form.php
@@ -2,10 +2,8 @@
namespace Drupal\islandora\Form\AddChildrenWizard;
-use Drupal\Core\Access\AccessResult;
use Drupal\Core\DependencyInjection\ClassResolverInterface;
use Drupal\Core\Form\FormBuilderInterface;
-use Drupal\Core\Routing\RouteMatch;
use Drupal\Core\Routing\RouteMatchInterface;
use Drupal\Core\Session\AccountProxyInterface;
use Drupal\Core\TempStore\SharedTempStoreFactory;
@@ -56,8 +54,6 @@ class Form extends FormWizardBase {
EventDispatcherInterface $event_dispatcher,
RouteMatchInterface $route_match,
$tempstore_id,
- IslandoraUtils $utils,
- RouteMatchInterface $current_route_match,
AccountProxyInterface $current_user,
$machine_name = NULL,
$step = NULL
@@ -65,9 +61,7 @@ class Form extends FormWizardBase {
parent::__construct($tempstore, $builder, $class_resolver, $event_dispatcher, $route_match, $tempstore_id,
$machine_name, $step);
- $this->utils = $utils;
- $this->currentRoute = $current_route_match;
- $this->nodeId = $this->currentRoute->getParameter('node');
+ $this->nodeId = $this->routeMatch->getParameter('node');
$this->currentUser = $current_user;
}
@@ -78,10 +72,9 @@ class Form extends FormWizardBase {
return array_merge(
parent::getParameters(),
[
- 'utils' => \Drupal::service('islandora.utils'),
'tempstore_id' => 'islandora.upload_children',
- 'current_route_match' => \Drupal::service('current_route_match'),
'current_user' => \Drupal::service('current_user'),
+ 'batch_processor' => \Drupal::service('islandora.upload_children.batch_processor'),
]
);
}
diff --git a/src/Form/AddChildrenWizard/MediaTypeTrait.php b/src/Form/AddChildrenWizard/MediaTypeTrait.php
new file mode 100644
index 00000000..e2caf2c2
--- /dev/null
+++ b/src/Form/AddChildrenWizard/MediaTypeTrait.php
@@ -0,0 +1,59 @@
+<?php
+
+namespace Drupal\islandora\Form\AddChildrenWizard;
+
+use Drupal\Core\Entity\EntityTypeManagerInterface;
+use Drupal\media\MediaTypeInterface;
+
+/**
+ * Media type lookup helper trait.
+ */
+trait MediaTypeTrait {
+
+ /**
+ * The entity type manager service.
+ *
+ * @var \Drupal\Core\Entity\EntityTypeManagerInterface|null
+ */
+ protected ?EntityTypeManagerInterface $entityTypeManager;
+
+ /**
+ * Helper; get media type, given our required values.
+ *
+ * @param array $values
+ * An associative array which must contain at least:
+ * - media_type: The machine name of the media type to load.
+ *
+ * @return \Drupal\media\MediaTypeInterface
+ * The loaded media type.
+ *
+ * @throws \Drupal\Component\Plugin\Exception\InvalidPluginDefinitionException
+ * @throws \Drupal\Component\Plugin\Exception\PluginNotFoundException
+ */
+ protected function getMediaType(array $values): MediaTypeInterface {
+ /** @var \Drupal\media\MediaTypeInterface $media_type */
+ return $this->entityTypeManager()->getStorage('media_type')->load($values['media_type']);
+ }
+
+ /**
+ * Lazy-initialization of the entity type manager service.
+ *
+ * @return \Drupal\Core\Entity\EntityTypeManagerInterface
+ * The entity type manager service.
+ */
+ protected function entityTypeManager() : EntityTypeManagerInterface {
+ if ($this->entityTypeManager === NULL) {
+ $this->setEntityTypeManager(\Drupal::service('entity_type.manager'));
+ }
+ return $this->entityTypeManager;
+ }
+
+ /**
+ * Setter for the entity type manager service.
+ */
+ public function setEntityTypeManager(EntityTypeManagerInterface $entity_type_manager) : self {
+ $this->entityTypeManager = $entity_type_manager;
+ return $this;
+ }
+
+}
diff --git a/src/Form/AddChildrenWizard/WizardTrait.php b/src/Form/AddChildrenWizard/WizardTrait.php
new file mode 100644
index 00000000..dd56450f
--- /dev/null
+++ b/src/Form/AddChildrenWizard/WizardTrait.php
@@ -0,0 +1,40 @@
+<?php
+
+namespace Drupal\islandora\Form\AddChildrenWizard;
+
+use Drupal\Component\Plugin\PluginManagerInterface;
+use Drupal\Core\Field\FieldDefinitionInterface;
+use Drupal\Core\Field\WidgetInterface;
+
+/**
+ * Wizard/widget lookup helper trait.
+ */
+trait WizardTrait {
+
+ use FieldTrait;
+
+ /**
+ * The widget plugin manager service.
+ *
+ * @var \Drupal\Core\Field\WidgetPluginManager
+ */
+ protected PluginManagerInterface $widgetPluginManager;
+
+ /**
+ * Helper; get the base widget for the given field.
+ *
+ * @param \Drupal\Core\Field\FieldDefinitionInterface $field
+ * The field for which get obtain the widget.
+ *
+ * @return \Drupal\Core\Field\WidgetInterface
+ * The widget.
+ */
+ protected function getWidget(FieldDefinitionInterface $field): WidgetInterface {
+ return $this->widgetPluginManager->getInstance([
+ 'field_definition' => $field,
+ 'form_mode' => 'default',
+ 'prepare' => TRUE,
+ ]);
+ }
+
+}