/**
  * Updates a particular model.
  * If update is successful, the browser will be redirected to the 'view' page.
  * @param integer $id the ID of the model to be updated
  */
 public function actionUpdate($id)
 {
     $model = AttendanceAbsences::model()->findByPk($id);
     $modelPhoto = new ImportForm();
     // Uncomment the following line if AJAX validation is needed
     // $this->performAjaxValidation($model);
     if (isset($_POST['AttendanceAbsences'])) {
         $model->attributes = $_POST['AttendanceAbsences'];
         $model->status = 'approved';
         $modelPhoto->attributes = $_POST['ImportForm'];
         $imgFile = CUploadedFile::getInstance($modelPhoto, 'file');
         if (count($imgFile) == 1) {
             $imgFile->saveAs(letterPaths() . $id . '.jpg');
         }
         if ($model->save()) {
             if ($_POST['command'] == 'save' && $model->type != 'Late') {
                 $model->savePresence();
             }
             $this->redirect(array('index'));
         }
     }
     $this->render('update', array('model' => $model, 'modelPhoto' => $modelPhoto));
 }
 public function getLetter()
 {
     if (file_exists(letterPaths() . $this->id . '.jpg')) {
         return letterUrl() . $this->id . '.jpg';
     } else {
         return letterUrl() . 'default.png';
     }
 }