/** * Creates a new Friend model. * If creation is successful, the browser will be redirected to the 'view' page. * @return mixed */ public function actionCreate() { $model = new Friend(); $model->user_id = Yii::$app->user->getId(); if ($model->load(Yii::$app->request->post())) { // get user_id of email $user_id = $model->lookupEmail($model->email); if ($user_id === false) { $user_id = $model->addUser($model->email); } $model->friend_id = $user_id; // validate the form against model rules if ($model->validate()) { // all inputs are valid $model->save(); return $this->redirect(['view', 'id' => $model->id]); } else { // validation failed return $this->render('create', ['model' => $model]); } } else { return $this->render('create', ['model' => $model]); } }