public function handleItem()
{
$id = $this->request->param('ID');
$trans = WorkflowTransition::get()->byID($id);
if (!$trans || $trans->Action()->WorkflowDefID != $this->RootField()->Definition()->ID) {
$this->httpError(404);
}
if (!$trans->canEdit()) {
$this->httpError(403);
}
return new WorkflowFieldItemController($this, "item/{$id}", $trans);
}
/**
* When deleting an action from a workflow definition, make sure that workflows currently paused on that action
* are deleted
* Also removes all outbound transitions
*/
public function onAfterDelete()
{
parent::onAfterDelete();
$wfActionInstances = WorkflowActionInstance::get()->leftJoin("WorkflowInstance", '"WorkflowInstance"."ID" = "WorkflowActionInstance"."WorkflowID"')->where(sprintf('"BaseActionID" = %d AND ("WorkflowStatus" IN (\'Active\',\'Paused\'))', $this->ID));
foreach ($wfActionInstances as $wfActionInstance) {
$wfInstances = WorkflowInstance::get()->filter('CurrentActionID', $wfActionInstance->ID);
foreach ($wfInstances as $wfInstance) {
$wfInstance->Groups()->removeAll();
$wfInstance->Users()->removeAll();
$wfInstance->delete();
}
$wfActionInstance->delete();
}
// Delete outbound transitions
$transitions = WorkflowTransition::get()->filter('ActionID', $this->ID);
foreach ($transitions as $transition) {
$transition->Groups()->removeAll();
$transition->Users()->removeAll();
$transition->delete();
}
}
