/**
* Updates an existing Image model.
* If update is successful, the browser will be redirected to the 'view' page.
* @param string $id
* @return mixed
*/
public function actionUpdate($id)
{
$model = $this->findModel($id);
$gallery = Gallery::findOne(Yii::$app->session->get('gallery.gallery-id'));
if (Yii::$app->request->getIsPost()) {
$post = Yii::$app->request->post();
// Ajax request, validate the models
if (Yii::$app->request->isAjax) {
// Populate the model with the POST data
$model->load($post);
// Create an array of translation models and populate them
$translationModels = ArrayHelper::index($model->getTranslations()->all(), 'language');
Model::loadMultiple($translationModels, $post);
// Validate the model and translation
$response = array_merge(ActiveForm::validate($model), ActiveForm::validateMultiple($translationModels));
// Return validation in JSON format
Yii::$app->response->format = Response::FORMAT_JSON;
return $response;
// Normal request, save models
} else {
// Wrap everything in a database transaction
$transaction = Yii::$app->db->beginTransaction();
// Validate the main model
if (!$model->load($post)) {
return $this->render('update', ['model' => $model]);
}
// Add the translations
foreach (Yii::$app->request->post(StringHelper::basename(ImageLang::className()), []) as $language => $data) {
foreach ($data as $attribute => $translation) {
$model->translate($language)->{$attribute} = $translation;
}
}
if (!$model->save()) {
return $this->render('update', ['model' => $model]);
}
$transaction->commit();
// Set flash message
Yii::$app->getSession()->setFlash('image-success', Yii::t('app', '{item} has been updated', ['item' => $model->name]));
return $this->redirect('index');
}
}
return $this->render('update', ['model' => $model, 'gallery' => $gallery]);
}
/**
* @return \yii\db\ActiveQuery
*/
public function getTranslations()
{
return $this->hasMany(ImageLang::className(), ['image_id' => 'id']);
}