/**
* Updates an existing Cals 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);
$modelsCalitems = $model->calitem;
if ($model->load(Yii::$app->request->post()) && $model->save()) {
$oldIDs = ArrayHelper::map($modelsCalitems, 'id', 'id');
$modelsCalitems = Model::createMultiple(Calitems::classname(), $modelsCalitems);
Model::loadMultiple($modelsCalitems, Yii::$app->request->post());
$deletedIDs = array_diff($oldIDs, array_filter(ArrayHelper::map($modelsCalitems, 'id', 'id')));
$valid = $model->validate();
$valid = Model::validateMultiple($modelsCalitems) && $valid;
if ($valid) {
$transaction = \Yii::$app->db->beginTransaction();
try {
if ($flag = $model->save(false)) {
if (!empty($deletedIDs)) {
Calitems::deleteAll(['id' => $deletedIDs]);
}
foreach ($modelsCalitems as $modelCalitems) {
$modelCalitems->cal_id = $model->id;
if (!($flag = $modelCalitems->save(false))) {
$transaction->rollBack();
break;
}
}
}
if ($flag) {
$transaction->commit();
return $this->redirect(['view', 'id' => $model->id]);
}
} catch (Exception $e) {
$transaction->rollBack();
}
}
} else {
return $this->render('update', ['model' => $model, 'modelsCalitems' => empty($modelsCalitems) ? [new Calitems()] : $modelsCalitems]);
}
}
