/**
* Create transitions from database.
*
* @param Workflow $workflow The current workflow.
*
* @throws DefinitionException If a target step is defined which does not exiss.
*
* @return void
*/
private function createTransitions(Workflow $workflow)
{
$collection = TransitionModel::findByWorkflow($workflow->getConfigValue('id'));
if (!$collection) {
return;
}
while ($collection->next()) {
/** @var TransitionModel $model */
$model = $collection->current();
$transition = new Transition($model->name, $model->label, array_merge($collection->row(), array(Definition::SOURCE => Definition::SOURCE_DATABASE)));
if (!isset($this->steps[$model->stepTo])) {
throw new DefinitionException(sprintf('Transition "%s" refers to step "%s" which does not exists.', $transition->getName(), $model->stepTo));
}
$transition->setStepTo($this->steps[$model->stepTo]);
if ($model->limitPermission) {
$transition->setPermission(Permission::fromString($model->permission));
}
$workflow->addTransition($transition);
$event = new CreateTransitionEvent($transition);
$this->getServiceContainer()->getEventDispatcher()->dispatch($event::NAME, $event);
$this->transitions[$model->id] = $transition;
}
}
/**
* Get the workflow model.
*
* @param \DataContainer $dataContainer The data container driver.
*
* @return \Model|\Model\Collection
*
* @throws \Exception If relation could not be resolved.
*/
protected function getWorkflowModel($dataContainer)
{
$transitionModel = TransitionModel::findByPk($dataContainer->activeRecord->pid);
$workflowModel = $transitionModel->getRelated('pid');
return $workflowModel;
}
/**
* Get all transitions.
*
* @param \DataContainer $dataContainer The data container.
*
* @return array
*/
public function getTransitions($dataContainer)
{
$options = array();
if ($dataContainer->activeRecord) {
$collection = TransitionModel::findBy('pid', $dataContainer->activeRecord->id);
if ($collection) {
while ($collection->next()) {
$stepTo = $collection->getRelated('stepTo');
$options[$collection->id] = sprintf('%s [%s] --> %s [%s]', $collection->label, $collection->name, $stepTo->label, $stepTo->name);
}
}
}
return $options;
}
