/**
* Creates a new Po model.
* If creation is successful, the browser will be redirected to the 'view' page.
* @return mixed
*/
public function actionCreate()
{
$model = new Po();
$modelsPoItems = [new Poitem()];
if ($model->load(Yii::$app->request->post()) && $model->save()) {
$modelsPoItems = Model::createMultiple(Poitem::classname());
Model::loadMultiple($modelsPoItems, Yii::$app->request->post());
// ajax validation
if (Yii::$app->request->isAjax) {
Yii::$app->response->format = Response::FORMAT_JSON;
return ArrayHelper::merge(ActiveForm::validateMultiple($modelsPoItems), ActiveForm::validate($model));
}
// validate all models
$valid = $model->validate();
$valid = Model::validateMultiple($modelsPoItems) && $valid;
if ($valid) {
$transaction = \Yii::$app->db->beginTransaction();
try {
if ($flag = $model->save(false)) {
foreach ($modelsPoItems as $modelPoItem) {
$modelPoItem->po_id = $model->id;
if (!($flag = $modelPoItem->save(false))) {
$transaction->rollBack();
break;
}
}
}
if ($flag) {
$transaction->commit();
return $this->redirect(['view', 'id' => $model->id]);
}
} catch (Exception $e) {
$transaction->rollBack();
}
}
}
return $this->render('create', ['model' => $model, 'modelsPoItems' => empty($modelsPoItems) ? [new Poitem()] : $modelsPoItems]);
}
