class EntityReference in Feeds 8.3
Defines an entity reference mapper.
Plugin annotation
@FeedsTarget(
id = "entity_reference",
field_types = {"entity_reference"}
)
Hierarchy
- class \Drupal\Component\Plugin\PluginBase implements DerivativeInspectionInterface, PluginInspectionInterface
- class \Drupal\Core\Plugin\PluginBase uses DependencySerializationTrait, MessengerTrait, StringTranslationTrait
- class \Drupal\feeds\Plugin\Type\PluginBase implements FeedsPluginInterface uses DependencyTrait
- class \Drupal\feeds\Plugin\Type\ConfigurablePluginBase implements PluginFormInterface
- class \Drupal\feeds\Plugin\Type\Target\TargetBase implements TargetInterface
- class \Drupal\feeds\Plugin\Type\Target\FieldTargetBase implements ConfigurableTargetInterface, TranslatableTargetInterface
- class \Drupal\feeds\Feeds\Target\EntityReference implements ContainerFactoryPluginInterface, ConfigurableTargetInterface
- class \Drupal\feeds\Plugin\Type\Target\FieldTargetBase implements ConfigurableTargetInterface, TranslatableTargetInterface
- class \Drupal\feeds\Plugin\Type\Target\TargetBase implements TargetInterface
- class \Drupal\feeds\Plugin\Type\ConfigurablePluginBase implements PluginFormInterface
- class \Drupal\feeds\Plugin\Type\PluginBase implements FeedsPluginInterface uses DependencyTrait
- class \Drupal\Core\Plugin\PluginBase uses DependencySerializationTrait, MessengerTrait, StringTranslationTrait
Expanded class hierarchy of EntityReference
1 file declares its use of EntityReference
- EntityReferenceTest.php in tests/
src/ Unit/ Feeds/ Target/ EntityReferenceTest.php
File
- src/
Feeds/ Target/ EntityReference.php, line 34
Namespace
Drupal\feeds\Feeds\TargetView source
class EntityReference extends FieldTargetBase implements ConfigurableTargetInterface, ContainerFactoryPluginInterface {
/**
* The entity type manager.
*
* @var \Drupal\Core\Entity\EntityTypeManagerInterface
*/
protected $entityTypeManager;
/**
* The entity field manager.
*
* @var \Drupal\Core\Entity\EntityFieldManagerInterface
*/
protected $entityFieldManager;
/**
* The Feeds entity finder service.
*
* @var \Drupal\feeds\EntityFinderInterface
*/
protected $entityFinder;
/**
* Constructs a new EntityReference object.
*
* @param array $configuration
* The plugin configuration.
* @param string $plugin_id
* The plugin id.
* @param array $plugin_definition
* The plugin definition.
* @param \Drupal\Core\Entity\EntityTypeManagerInterface $entity_type_manager
* The entity type manager.
* @param \Drupal\Core\Entity\EntityFieldManagerInterface $entity_field_manager
* The entity field manager.
* @param \Drupal\feeds\EntityFinderInterface $entity_finder
* The Feeds entity finder service.
*/
public function __construct(array $configuration, $plugin_id, array $plugin_definition, EntityTypeManagerInterface $entity_type_manager, EntityFieldManagerInterface $entity_field_manager, EntityFinderInterface $entity_finder) {
$this->entityTypeManager = $entity_type_manager;
$this->entityFieldManager = $entity_field_manager;
$this->entityFinder = $entity_finder;
parent::__construct($configuration, $plugin_id, $plugin_definition);
}
/**
* {@inheritdoc}
*/
public static function create(ContainerInterface $container, array $configuration, $plugin_id, $plugin_definition) {
return new static($configuration, $plugin_id, $plugin_definition, $container
->get('entity_type.manager'), $container
->get('entity_field.manager'), $container
->get('feeds.entity_finder'));
}
/**
* {@inheritdoc}
*/
protected static function prepareTarget(FieldDefinitionInterface $field_definition) {
// Only reference content entities. Configuration entities will need custom
// targets.
$type = $field_definition
->getSetting('target_type');
if (!\Drupal::entityTypeManager()
->getDefinition($type)
->entityClassImplements(ContentEntityInterface::class)) {
return;
}
return FieldTargetDefinition::createFromFieldDefinition($field_definition)
->addProperty('target_id');
}
/**
* {@inheritdoc}
*/
public function setTarget(FeedInterface $feed, EntityInterface $entity, $field_name, array $raw_values) {
$values = [];
foreach ($raw_values as $delta => $columns) {
try {
$this
->prepareValue($delta, $columns);
$values[] = $columns;
} catch (ReferenceNotFoundException $e) {
// The referenced entity is not found. We need to enforce Feeds to try
// to import the same item again on the next import.
// Feeds stores a hash of every imported item in order to make the
// import process more efficient by ignoring items it has already seen.
// In this case we need to destroy the hash in order to be able to
// import the reference on a next import.
$entity
->get('feeds_item')->hash = NULL;
$feed
->getState(StateInterface::PROCESS)
->setMessage($e
->getFormattedMessage(), 'warning', TRUE);
} catch (EmptyFeedException $e) {
// Nothing wrong here.
} catch (TargetValidationException $e) {
// Validation failed.
$this
->addMessage($e
->getFormattedMessage(), 'error');
}
}
if (!empty($values)) {
$entity_target = $this
->getEntityTarget($feed, $entity);
if ($entity_target) {
$item_list = $entity_target
->get($field_name);
// Append these values to the existing values.
$values = array_merge($item_list
->getValue(), $values);
$item_list
->setValue($values);
}
}
}
/**
* Returns a list of fields that may be used to reference by.
*
* @return array
* A list subfields of the entity reference field.
*/
protected function getPotentialFields() {
$field_definitions = $this->entityFieldManager
->getFieldStorageDefinitions($this
->getEntityType());
$field_definitions = array_filter($field_definitions, [
$this,
'filterFieldTypes',
]);
$options = [];
foreach ($field_definitions as $id => $definition) {
$options[$id] = Html::escape($definition
->getLabel());
}
return $options;
}
/**
* Callback for the potential field filter.
*
* Checks whether the provided field is available to be used as reference.
*
* @param \Drupal\Core\Field\FieldStorageDefinitionInterface $field
* The field to check.
*
* @return bool
* TRUE if the field can be used as reference otherwise FALSE.
*
* @see ::getPotentialFields()
*/
protected function filterFieldTypes(FieldStorageDefinitionInterface $field) {
if ($field instanceof DataDefinitionInterface && $field
->isComputed()) {
return FALSE;
}
switch ($field
->getType()) {
case 'integer':
case 'string':
case 'text_long':
case 'path':
case 'uuid':
case 'feeds_item':
return TRUE;
default:
return FALSE;
}
}
/**
* Returns the entity type to reference.
*
* @return string
* The entity type to reference.
*/
protected function getEntityType() {
return $this->settings['target_type'];
}
/**
* Returns a list of bundles that may be referenced.
*
* If there are no target bundles configured on the entity reference field, an
* empty array is returned.
*
* @return array
* Bundles that are allowed to be referenced.
*/
protected function getBundles() {
if (!empty($this->settings['handler_settings']['target_bundles'])) {
return $this->settings['handler_settings']['target_bundles'];
}
return [];
}
/**
* Returns the entity type's bundle key.
*
* @return string
* The bundle key of the entity type.
*/
protected function getBundleKey() {
return $this->entityTypeManager
->getDefinition($this
->getEntityType())
->getKey('bundle');
}
/**
* Returns the entity type's label key.
*
* @return string
* The label key of the entity type.
*/
protected function getLabelKey() {
return $this->entityTypeManager
->getDefinition($this
->getEntityType())
->getKey('label');
}
/**
* Returns the entity type's langcode key, if it has one.
*
* @return string|null
* The langcode key of the entity type.
*/
protected function getLangcodeKey() {
$entity_type = $this->entityTypeManager
->getDefinition($this
->getEntityType());
if ($entity_type
->hasKey('langcode')) {
return $entity_type
->getKey('langcode');
}
}
/**
* {@inheritdoc}
*/
protected function prepareValue($delta, array &$values) {
// Check if there is a value for target ID.
if (!isset($values['target_id']) || strlen(trim($values['target_id'])) === 0) {
// No value.
throw new EmptyFeedException();
}
$target_ids = $this
->findEntities($this->configuration['reference_by'], $values['target_id']);
if (empty($target_ids)) {
throw new ReferenceNotFoundException($this
->t('Referenced entity not found for field %field with value %target_id.', [
'%target_id' => $values['target_id'],
'%field' => $this->configuration['reference_by'],
]));
}
$values['target_id'] = reset($target_ids);
}
/**
* Searches for an entity by entity key.
*
* @param string $field
* The subfield to search in.
* @param string $search
* The value to search for.
*
* @return int|bool
* The entity id, or false, if not found.
*/
protected function findEntity(string $field, $search) {
$entities = $this
->findEntities($field, $search);
if (!empty($entities)) {
return reset($entities);
}
return FALSE;
}
/**
* Tries to lookup an existing entity.
*
* @param string $field
* The subfield to search in.
* @param string|int $search
* The value to lookup.
*
* @return int[]
* A list of entity ID's.
*/
protected function findEntities(string $field, $search) {
if ($field == 'feeds_item') {
$field = 'feeds_item.' . $this->configuration['feeds_item'];
}
$target_ids = $this->entityFinder
->findEntities($this
->getEntityType(), $field, $search, $this
->getBundles());
if (!empty($target_ids)) {
return $target_ids;
}
if ($this->configuration['autocreate'] && $field === $this
->getLabelKey()) {
return [
$this
->createEntity($search),
];
}
return [];
}
/**
* Creates a new entity with the given label and saves it.
*
* @param string $label
* The label the new entity should get.
*
* @return int|string|false
* The ID of the new entity or false if the given label is empty.
*/
protected function createEntity($label) {
if (!strlen(trim($label))) {
return FALSE;
}
$bundles = $this
->getBundles();
// Create values for the new entity.
$values = [
$this
->getLabelKey() => $label,
$this
->getBundleKey() => reset($bundles),
];
// Set language if the entity type supports it.
if ($langcode = $this
->getLangcodeKey()) {
$values[$langcode] = $this
->getLangcode();
}
$entity = $this->entityTypeManager
->getStorage($this
->getEntityType())
->create($values);
$entity
->save();
return $entity
->id();
}
/**
* {@inheritdoc}
*/
public function defaultConfiguration() {
$config = parent::defaultConfiguration() + [
'reference_by' => $this
->getLabelKey(),
'autocreate' => FALSE,
];
if (array_key_exists('feeds_item', $this
->getPotentialFields())) {
$config['feeds_item'] = FALSE;
}
return $config;
}
/**
* Returns options for feeds_item configuration.
*/
public function getFeedsItemOptions() {
return [
'guid' => $this
->t('Item GUID'),
];
}
/**
* {@inheritdoc}
*/
public function buildConfigurationForm(array $form, FormStateInterface $form_state) {
$form = parent::buildConfigurationForm($form, $form_state);
$options = $this
->getPotentialFields();
// Hack to find out the target delta.
$delta = 0;
foreach ($form_state
->getValues() as $key => $value) {
if (strpos($key, 'target-settings-') === 0) {
list(, , $delta) = explode('-', $key);
break;
}
}
$form['reference_by'] = [
'#type' => 'select',
'#title' => $this
->t('Reference by'),
'#options' => $options,
'#default_value' => $this->configuration['reference_by'],
];
$feed_item_options = $this
->getFeedsItemOptions();
$form['feeds_item'] = [
'#type' => 'select',
'#title' => $this
->t('Feed item'),
'#options' => $feed_item_options,
'#default_value' => $this
->getConfiguration('feeds_item'),
'#states' => [
'visible' => [
':input[name="mappings[' . $delta . '][settings][reference_by]"]' => [
'value' => 'feeds_item',
],
],
],
];
$form['autocreate'] = [
'#type' => 'checkbox',
'#title' => $this
->t('Autocreate entity'),
'#default_value' => $this->configuration['autocreate'],
'#states' => [
'visible' => [
':input[name="mappings[' . $delta . '][settings][reference_by]"]' => [
'value' => $this
->getLabelKey(),
],
],
],
];
return $form;
}
/**
* {@inheritdoc}
*/
public function getSummary() {
$options = $this
->getPotentialFields();
$summary = parent::getSummary();
if ($this->configuration['reference_by'] && isset($options[$this->configuration['reference_by']])) {
$summary[] = $this
->t('Reference by: %message', [
'%message' => $options[$this->configuration['reference_by']],
]);
if ($this->configuration['reference_by'] == 'feeds_item') {
$feed_item_options = $this
->getFeedsItemOptions();
$summary[] = $this
->t('Feed item: %feed_item', [
'%feed_item' => $feed_item_options[$this->configuration['feeds_item']],
]);
}
}
else {
$summary[] = [
'#prefix' => '<div class="messages messages--warning">',
'#markup' => $this
->t('Please select a field to reference by.'),
'#suffix' => '</div>',
];
}
if ($this->configuration['reference_by'] === $this
->getLabelKey()) {
$create = $this->configuration['autocreate'] ? $this
->t('Yes') : $this
->t('No');
$summary[] = $this
->t('Autocreate terms: %create', [
'%create' => $create,
]);
}
return $summary;
}
}
Members
Name![]() |
Modifiers | Type | Description | Overrides |
---|---|---|---|---|
ConfigurablePluginBase:: |
public | function |
Form validation handler. Overrides PluginFormInterface:: |
|
DependencySerializationTrait:: |
protected | property | An array of entity type IDs keyed by the property name of their storages. | |
DependencySerializationTrait:: |
protected | property | An array of service IDs keyed by property name used for serialization. | |
DependencySerializationTrait:: |
public | function | 1 | |
DependencySerializationTrait:: |
public | function | 2 | |
DependencyTrait:: |
protected | property | The object's dependencies. | |
DependencyTrait:: |
protected | function | Adds multiple dependencies. | |
DependencyTrait:: |
protected | function | Adds a dependency. | |
EntityReference:: |
protected | property | The entity field manager. | |
EntityReference:: |
protected | property | The Feeds entity finder service. | |
EntityReference:: |
protected | property | The entity type manager. | |
EntityReference:: |
public | function |
Form constructor. Overrides FieldTargetBase:: |
1 |
EntityReference:: |
public static | function |
Creates an instance of the plugin. Overrides ContainerFactoryPluginInterface:: |
1 |
EntityReference:: |
protected | function | Creates a new entity with the given label and saves it. | 1 |
EntityReference:: |
public | function |
Gets default configuration for this plugin. Overrides FieldTargetBase:: |
1 |
EntityReference:: |
protected | function | Callback for the potential field filter. | 1 |
EntityReference:: |
protected | function | Tries to lookup an existing entity. | |
EntityReference:: |
protected | function | Searches for an entity by entity key. | |
EntityReference:: |
protected | function | Returns the entity type's bundle key. | |
EntityReference:: |
protected | function | Returns a list of bundles that may be referenced. | 1 |
EntityReference:: |
protected | function | Returns the entity type to reference. | 1 |
EntityReference:: |
public | function | Returns options for feeds_item configuration. | |
EntityReference:: |
protected | function | Returns the entity type's label key. | |
EntityReference:: |
protected | function | Returns the entity type's langcode key, if it has one. | |
EntityReference:: |
protected | function | Returns a list of fields that may be used to reference by. | |
EntityReference:: |
public | function |
Returns the summary for a target. Overrides FieldTargetBase:: |
1 |
EntityReference:: |
protected static | function |
Prepares a target definition. Overrides FieldTargetBase:: |
1 |
EntityReference:: |
protected | function |
Prepares a single value. Overrides FieldTargetBase:: |
1 |
EntityReference:: |
public | function |
Sets the values on an object. Overrides FieldTargetBase:: |
|
EntityReference:: |
public | function |
Constructs a new EntityReference object. Overrides FieldTargetBase:: |
1 |
FieldTargetBase:: |
protected | property | The field settings. | |
FieldTargetBase:: |
protected | property | The language manager. | |
FieldTargetBase:: |
protected | function | Adds a message. | |
FieldTargetBase:: |
public | function |
Calculates dependencies for the configured plugin. Overrides PluginBase:: |
|
FieldTargetBase:: |
public | function | Get entity, or entity translation to set the map. | |
FieldTargetBase:: |
public | function |
Gets the configured language. Overrides TranslatableTargetInterface:: |
|
FieldTargetBase:: |
protected | function | Gets the language manager. | |
FieldTargetBase:: |
protected | function | Returns the messenger to use. | |
FieldTargetBase:: |
protected | function | Constructs a base query which is used to find an existing entity. | |
FieldTargetBase:: |
public | function | Looks for an existing entity and returns an entity ID if found. | |
FieldTargetBase:: |
public | function |
Returns if the value for the target is empty. Overrides TargetInterface:: |
|
FieldTargetBase:: |
public | function |
Returns if the target is mutable. Overrides TargetInterface:: |
1 |
FieldTargetBase:: |
protected | function | Checks if the targeted field is translatable. | |
FieldTargetBase:: |
public | function |
Checks if the target is translatable. Overrides TranslatableTargetInterface:: |
|
FieldTargetBase:: |
public | function |
Checks if the language selected on the target exists. Overrides TranslatableTargetInterface:: |
|
FieldTargetBase:: |
public | function |
Allows a plugin to define whether it should be removed. Overrides TargetBase:: |
|
FieldTargetBase:: |
protected | function | Prepares the the values that will be mapped to an entity. | |
FieldTargetBase:: |
public | function | Sets the language manager. | |
FieldTargetBase:: |
public static | function |
Returns the targets defined by this plugin. Overrides TargetInterface:: |
1 |
MessengerTrait:: |
protected | property | The messenger. | 29 |
MessengerTrait:: |
public | function | Gets the messenger. | 29 |
MessengerTrait:: |
public | function | Sets the messenger. | |
PluginBase:: |
protected | property | Configuration information passed into the plugin. | 1 |
PluginBase:: |
protected | property | The importer this plugin is working for. | |
PluginBase:: |
protected | property | The link generator. | |
PluginBase:: |
protected | property | The plugin implementation definition. | 1 |
PluginBase:: |
protected | property | The plugin_id. | |
PluginBase:: |
protected | property | The url generator. | |
PluginBase:: |
private | function | Returns the service container. | |
PluginBase:: |
public | function |
Returns default feed configuration. Overrides FeedsPluginInterface:: |
3 |
PluginBase:: |
constant | A string which is used to separate base plugin IDs from the derivative ID. | ||
PluginBase:: |
public | function |
Gets the base_plugin_id of the plugin instance. Overrides DerivativeInspectionInterface:: |
|
PluginBase:: |
public | function |
Gets this plugin's configuration. Overrides ConfigurableInterface:: |
|
PluginBase:: |
public | function |
Gets the derivative_id of the plugin instance. Overrides DerivativeInspectionInterface:: |
|
PluginBase:: |
public | function |
Gets the definition of the plugin implementation. Overrides PluginInspectionInterface:: |
3 |
PluginBase:: |
public | function |
Gets the plugin_id of the plugin instance. Overrides PluginInspectionInterface:: |
|
PluginBase:: |
public | function | Determines if the plugin is configurable. | |
PluginBase:: |
protected | function | Renders a link to a route given a route name and its parameters. | |
PluginBase:: |
protected | function | Returns the link generator service. | |
PluginBase:: |
public | function | A feed is being deleted. | 3 |
PluginBase:: |
public | function | A feed is being saved. | |
PluginBase:: |
public | function | The feed type is being deleted. | 1 |
PluginBase:: |
public | function | The feed type is being saved. | 1 |
PluginBase:: |
public | function |
Returns the type of plugin. Overrides FeedsPluginInterface:: |
|
PluginBase:: |
public | function |
Sets the configuration for this plugin instance. Overrides ConfigurableInterface:: |
1 |
PluginBase:: |
protected | function | Generates a URL or path for a specific route based on the given parameters. | |
PluginBase:: |
protected | function | Returns the URL generator service. | |
StringTranslationTrait:: |
protected | property | The string translation service. | 1 |
StringTranslationTrait:: |
protected | function | Formats a string containing a count of items. | |
StringTranslationTrait:: |
protected | function | Returns the number of plurals supported by a given language. | |
StringTranslationTrait:: |
protected | function | Gets the string translation service. | |
StringTranslationTrait:: |
public | function | Sets the string translation service to use. | 2 |
StringTranslationTrait:: |
protected | function | Translates a string to the current language or to a given language. | |
TargetBase:: |
protected | property | The target definition. | |
TargetBase:: |
public | function |
Returns the target's definition. Overrides TargetInterface:: |
|
TargetBase:: |
public | function |
Form submission handler. Overrides ConfigurablePluginBase:: |