/**
* Updates an existing Po model.
* If update is successful, the browser will be redirected to the 'view' page.
* @param integer $id
* @return mixed
*/
public function actionUpdate($id)
{
// $model = $this->findModel($id);
//
// if ($model->load(Yii::$app->request->post()) && $model->save()) {
// return $this->redirect(['view', 'id' => $model->id]);
// } else {
// return $this->render('update', [
// 'model' => $model,
// ]);
// }
$model = $this->findModel($id);
$modelsPoItems = $model->poItems;
if ($model->load(Yii::$app->request->post())) {
$oldIDs = ArrayHelper::map($modelsPoItems, 'id', 'id');
$modelsPoItems = Model::createMultiple(Poitem::classname(), $modelsPoItems);
Model::loadMultiple($modelsPoItems, Yii::$app->request->post());
$deletedIDs = array_diff($oldIDs, array_filter(ArrayHelper::map($modelsPoItems, 'id', 'id')));
// ajax validation
if (Yii::$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 = $model->save(false)) {
if (!empty($deletedIDs)) {
Poitem::deleteAll(['id' => $deletedIDs]);
}
foreach ($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('update', ['model' => $model, 'modelsPoItems' => empty($modelsPoItems) ? [new Poitem()] : $modelsPoItems]);
}
/**
* Creates data provider instance with search query applied
*
* @param array $params
*
* @return ActiveDataProvider
*/
public function search($params)
{
$query = Poitem::find();
$dataProvider = new ActiveDataProvider(['query' => $query]);
$this->load($params);
if (!$this->validate()) {
// uncomment the following line if you do not want to return any records when validation fails
// $query->where('0=1');
return $dataProvider;
}
$query->andFilterWhere(['id' => $this->id, 'quantity' => $this->quantity, 'po_id' => $this->po_id]);
$query->andFilterWhere(['like', 'po_item_no', $this->po_item_no]);
return $dataProvider;
}
/**
* Finds the Poitem model based on its primary key value.
* If the model is not found, a 404 HTTP exception will be thrown.
* @param integer $id
* @return Poitem the loaded model
* @throws NotFoundHttpException if the model cannot be found
*/
protected function findModel($id)
{
if (($model = Poitem::findOne($id)) !== null) {
return $model;
} else {
throw new NotFoundHttpException('The requested page does not exist.');
}
}