function delete_scenario($studyId, $scenarioId)
 {
     $this->load->model('ScenarioModel');
     ScenarioModel::delete($scenarioId);
     $this->location('/study/' . $studyId);
 }
 function delete_scenario()
 {
     $caseId = $this->session->get('caseId');
     $id = filter_input(INPUT_POST, 'id');
     ScenarioModel::delete($id, $caseId);
     $this->location('/workbench');
 }