StateTransitionValidation.php in Drupal 8
File
core/modules/content_moderation/src/StateTransitionValidation.php
View source
<?php
namespace Drupal\content_moderation;
use Drupal\Core\Entity\ContentEntityInterface;
use Drupal\Core\Session\AccountInterface;
use Drupal\workflows\StateInterface;
use Drupal\workflows\Transition;
use Drupal\workflows\WorkflowInterface;
class StateTransitionValidation implements StateTransitionValidationInterface {
protected $moderationInfo;
protected $possibleTransitions = [];
public function __construct(ModerationInformationInterface $moderation_info) {
$this->moderationInfo = $moderation_info;
}
public function getValidTransitions(ContentEntityInterface $entity, AccountInterface $user) {
$workflow = $this->moderationInfo
->getWorkflowForEntity($entity);
$current_state = $entity->moderation_state->value ? $workflow
->getTypePlugin()
->getState($entity->moderation_state->value) : $workflow
->getTypePlugin()
->getInitialState($entity);
return array_filter($current_state
->getTransitions(), function (Transition $transition) use ($workflow, $user) {
return $user
->hasPermission('use ' . $workflow
->id() . ' transition ' . $transition
->id());
});
}
public function isTransitionValid(WorkflowInterface $workflow, StateInterface $original_state, StateInterface $new_state, AccountInterface $user, ContentEntityInterface $entity = NULL) {
if ($entity === NULL) {
@trigger_error(sprintf('Omitting the $entity parameter from %s is deprecated and will be required in Drupal 9.0.0.', __METHOD__), E_USER_DEPRECATED);
}
$transition = $workflow
->getTypePlugin()
->getTransitionFromStateToState($original_state
->id(), $new_state
->id());
return $user
->hasPermission('use ' . $workflow
->id() . ' transition ' . $transition
->id());
}
}