API docs:
https://api.drupal.org/api/drupal/core!modules!workflows!src!Entity!Workflow.php/11.3.x
Location: /core/modules/workflows/src/Entity/Workflow.php
namespace Drupal\workflows\Entity;
use Drupal\Core\Entity\Attribute\ConfigEntityType;
use Drupal\Core\Entity\Routing\AdminHtmlRouteProvider;
use Drupal\Core\StringTranslation\TranslatableMarkup;
use Drupal\Core\Config\Entity\ConfigEntityBase;
use Drupal\Core\Entity\EntityStorageInterface;
use Drupal\Core\Entity\EntityWithPluginCollectionInterface;
use Drupal\Core\Plugin\DefaultSingleLazyPluginCollection;
use Drupal\workflows\Exception\RequiredStateMissingException;
use Drupal\workflows\Form\WorkflowAddForm;
use Drupal\workflows\Form\WorkflowDeleteForm;
use Drupal\workflows\Form\WorkflowEditForm;
use Drupal\workflows\Form\WorkflowStateAddForm;
use Drupal\workflows\Form\WorkflowStateDeleteForm;
use Drupal\workflows\Form\WorkflowStateEditForm;
use Drupal\workflows\Form\WorkflowTransitionAddForm;
use Drupal\workflows\Form\WorkflowTransitionDeleteForm;
use Drupal\workflows\Form\WorkflowTransitionEditForm;
use Drupal\workflows\WorkflowAccessControlHandler;
use Drupal\workflows\WorkflowInterface;
use Drupal\workflows\WorkflowListBuilder;
/**
* Defines the workflow entity.
*/
#[ConfigEntityType(
id: 'workflow',
label: new TranslatableMarkup('Workflow'),
label_collection: new TranslatableMarkup('Workflows'),
label_singular: new TranslatableMarkup('workflow'),
label_plural: new TranslatableMarkup('workflows'),
config_prefix: 'workflow',
entity_keys: [
'id' => 'id',
'label' => 'label',
'uuid' => 'uuid',
],
handlers: [
'access' => WorkflowAccessControlHandler::class,
'list_builder' => WorkflowListBuilder::class,
'form' => [
'add' => WorkflowAddForm::class,
'edit' => WorkflowEditForm::class,
'delete' => WorkflowDeleteForm::class,
'add-state' => WorkflowStateAddForm::class,
'edit-state' => WorkflowStateEditForm::class,
'delete-state' => WorkflowStateDeleteForm::class,
'add-transition' => WorkflowTransitionAddForm::class,
'edit-transition' => WorkflowTransitionEditForm::class,
'delete-transition' => WorkflowTransitionDeleteForm::class,
],
'route_provider' => ['html' => AdminHtmlRouteProvider::class],
],
links: [
'add-form' => '/admin/config/workflow/workflows/add',
'edit-form' => '/admin/config/workflow/workflows/manage/{workflow}',
'delete-form' => '/admin/config/workflow/workflows/manage/{workflow}/delete',
'add-state-form' => '/admin/config/workflow/workflows/manage/{workflow}/add_state',
'add-transition-form' => '/admin/config/workflow/workflows/manage/{workflow}/add_transition',
'collection' => '/admin/config/workflow/workflows',
],
admin_permission: 'administer workflows',
label_count: [
'singular' => '@count workflow',
'plural' => '@count workflows',
],
config_export: [
'id',
'label',
'type',
'type_settings',
],
)]
class Workflow extends ConfigEntityBase implements WorkflowInterface, EntityWithPluginCollectionInterface {
/**
* The Workflow ID.
*
* @var string
*/
protected $id;
/**
* The workflow label.
*
* @var string
*/
protected $label;
/**
* The workflow type plugin ID.
*
* @var string
*
* @see \Drupal\workflows\WorkflowTypeManager
*/
protected $type;
/**
* The configuration for the workflow type plugin.
*
* @var array
*/
protected $type_settings = [];
/**
* The workflow type plugin collection.
*
* @var \Drupal\Component\Plugin\LazyPluginCollection
*/
protected $pluginCollection;
/**
* {@inheritdoc}
*/
public function preSave(EntityStorageInterface $storage) {
$workflow_type = $this->getTypePlugin();
$missing_states = array_diff($workflow_type->getRequiredStates(), array_keys($this->getTypePlugin()->getStates()));
if (!empty($missing_states)) {
throw new RequiredStateMissingException(sprintf("Workflow type '{$workflow_type->label()}' requires states with the ID '%s' in workflow '{$this->id()}'", implode("', '", $missing_states)));
}
parent::preSave($storage);
}
/**
* {@inheritdoc}
*/
public function getTypePlugin() {
return $this->getPluginCollection()->get($this->type);
}
/**
* {@inheritdoc}
*/
public function getPluginCollections() {
return ['type_settings' => $this->getPluginCollection()];
}
/**
* Encapsulates the creation of the workflow's plugin collection.
*
* @return \Drupal\Core\Plugin\DefaultSingleLazyPluginCollection
* The workflow's plugin collection.
*/
protected function getPluginCollection() {
if (!$this->pluginCollection && $this->type) {
$this->pluginCollection = new DefaultSingleLazyPluginCollection(\Drupal::service('plugin.manager.workflows.type'), $this->type, $this->type_settings);
}
return $this->pluginCollection;
}
/**
* Loads all workflows of the provided type.
*
* @param string $type
* The workflow type to load all workflows for.
*
* @return static[]
* An array of workflow objects of the provided workflow type, indexed by
* their IDs.
*
* @see \Drupal\workflows\Annotation\WorkflowType
*/
public static function loadMultipleByType($type) {
return self::loadMultiple(\Drupal::entityQuery('workflow')->condition('type', $type)->execute());
}
/**
* {@inheritdoc}
*/
public function status() {
// In order for a workflow to be usable it must have at least one state.
return !empty($this->status) && !empty($this->getTypePlugin()->getStates());
}
/**
* {@inheritdoc}
*/
public function onDependencyRemoval(array $dependencies) {
// Give the parent method and the workflow type plugin a chance to react
// to removed dependencies and report if either of these two made a change.
$parent_changed_entity = parent::onDependencyRemoval($dependencies);
$plugin_changed_entity = $this->getTypePlugin()->onDependencyRemoval($dependencies);
return $plugin_changed_entity || $parent_changed_entity;
}
}