public function actionCreate()
 {
     $model = new Faktur();
     if ($model->load(Yii::$app->request->post())) {
         try {
             $picture = UploadedFile::getInstance($model, 'foto');
             $model->foto = 'FAKTUR - ' . $_POST['Faktur']['nama_penerima'] . '-' . $_POST['Faktur']['tgl_faktur'] . '.' . $picture->extension;
             if ($model->save()) {
                 $picture->saveAs('uploads/faktur/' . 'FAKTUR - ' . $model->nama_penerima . '-' . $model->tgl_faktur . '.' . $picture->extension);
                 Yii::$app->getSession()->setFlash('success', 'Data saved!');
                 $id_faktur = $model->id;
                 $no_faktur = $model->no_faktur;
                 $user = Yii::$app->user->identity->username;
                 Yii::$app->db->createCommand('insert into logs (date, logs) VALUES (now(),"Insert data faktur dengan id : ' . $id_faktur . ' (' . $no_faktur . ') // oleh user : '******'")')->execute();
                 return $this->redirect(['view', 'id' => $model->id]);
             } else {
                 Yii::$app->getSession()->setFlash('error', 'Data not saved!');
                 //var_dump($_POST);
                 return $this->render('create', ['model' => $model]);
             }
         } catch (Exception $e) {
             Yii::$app->getSession()->setFlash('error', "{$e->getMessage()}");
         }
     } else {
         return $this->render('create', ['model' => $model]);
     }
 }