public function actionRenderGraph()
{
$stages = array_reduce(OrderStage::find()->asArray()->all(), function ($arr, $i) {
$parent = OrderStageLeaf::find()->select(['stage_from_id'])->where(['stage_to_id' => $i['id']])->scalar();
$arr[] = [['v' => $i['id'], 'f' => $i['name_frontend']], $parent ? $parent : '', $i['event_name']];
return $arr;
});
return $this->render('render-graph', ['stages' => $stages]);
}
