private function _initScreeningForm($subject_model)
 {
     $questions = \yii::$app->screeningquestion->getQuestions($this->getScreeningSession('screening_form_id'));
     $resource_model = Resource::findOne(['id' => $this->getScreeningSession('resource_id')]);
     $screening_form_model = ScreeningForm::findOne(['id' => $this->getScreeningSession('screening_form_id')]);
     $screening_entry_model = new \common\models\ScreeningEntry();
     $screening_entry_model->screening_form_id = $this->getScreeningSession('screening_form_id');
     $screening_entry_model->project_id = $this->getScreeningSession('project_id');
     $screening_entry_model->subject_id = $subject_model->id;
     $screening_entry_model->researcher_id = \Yii::$app->user->identity->id;
     $screening_entry_model->screening_form_title = $screening_form_model->title;
     $screening_entry_model->resource_id = $this->getScreeningSession('resource_id');
     $screening_entry_model->resource_title = $resource_model->title;
     if ($screening_entry_model->save() == false) {
         throw new \yii\web\HttpException(500, yii::t('app', 'An error occured.'));
     }
     $this->setScreeningSession('screening_hash', $screening_entry_model->hash);
     foreach ($questions as $q) {
         $model = new \common\models\ScreeningResponse();
         $model->screening_question_id = $q['screening_question_id'];
         $model->screening_entry_id = $screening_entry_model->id;
         $model->subject_id = $subject_model->id;
         $model->save();
     }
     return true;
 }