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- <?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;
- /**
- * Validates whether a certain state transition is allowed.
- */
- class StateTransitionValidation implements StateTransitionValidationInterface {
- /**
- * The moderation information service.
- *
- * @var \Drupal\content_moderation\ModerationInformationInterface
- */
- protected $moderationInfo;
- /**
- * Stores the possible state transitions.
- *
- * @var array
- */
- protected $possibleTransitions = [];
- /**
- * Constructs a new StateTransitionValidation.
- *
- * @param \Drupal\content_moderation\ModerationInformationInterface $moderation_info
- * The moderation information service.
- */
- public function __construct(ModerationInformationInterface $moderation_info) {
- $this->moderationInfo = $moderation_info;
- }
- /**
- * {@inheritdoc}
- */
- 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());
- });
- }
- /**
- * {@inheritdoc}
- */
- public function isTransitionValid(WorkflowInterface $workflow, StateInterface $original_state, StateInterface $new_state, AccountInterface $user) {
- $transition = $workflow->getTypePlugin()->getTransitionFromStateToState($original_state->id(), $new_state->id());
- return $user->hasPermission('use ' . $workflow->id() . ' transition ' . $transition->id());
- }
- }
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