public function manageAction($id = null)
 {
     $this->permission('manage');
     $this->language->load("clinic_specifications");
     $model = new \modules\clinic\models\Clinic_specifications();
     $branches = new \modules\clinic\models\Clinic_branches();
     $clinic_specification_branches = new \modules\clinic\models\Clinic_specification_branches(false);
     $clinic_specification_branches->_select = 'clinic_branch_id';
     if ($id) {
         $model->clinic_specification_id = $id;
     }
     $model->language_id = $this->language->getDefaultLanguage();
     $model->set('specification', $this->input->post('specification'));
     $model->set('description', $this->input->post('description'));
     if ($sid = $model->save()) {
         if ($id) {
             $clinic_specification_branches->clinic_specification_id = $id;
             $clinic_specification_branches->delete();
         }
         foreach ($this->input->post('branches') as $branch) {
             $clinic_specification_branches->clinic_specification_id = $sid;
             $clinic_specification_branches->clinic_branch_id = $branch;
             $clinic_specification_branches->save();
         }
         Uri_helper::redirect("management/clinic_specifications");
     }
     return $this->render('clinic_specifications/manage', ['item' => $id ? $model->get() : null, 'branches' => $branches->get(), 'selected_branches' => Form_helper::objToDropdown($clinic_specification_branches->get(), 'clinic_branch_id', 'clinic_branch_id')]);
 }