function copy_model()
{
$studyId = filter_input(INPUT_POST, 'studyId');
$modelId = filter_input(INPUT_POST, 'modelId');
$this->load->model('ModelModel');
$fromModel = ModelModel::loadById($modelId);
$model = new ModelModel();
$model->setStudyId($studyId);
$model->setTitle($fromModel->getTitle());
$model->setText($fromModel->getText());
$model->setNamespace($fromModel->getNamespace());
$model->add();
$this->location('/model/' . $studyId . '/' . $model->getId());
}
