public ResponseModel <IEnumerable <GroupModel> > Get() { var resp = new ResponseModel <IEnumerable <GroupModel> >(); try { var appList = AppRepo.GetGroupsModel().ToList(); if (appList.Any()) { resp.Data = appList; resp.Status = 200; resp.Description = "OK"; } else { resp.Status = 200; resp.Description = "No groups"; resp.Data = null; } } catch (Exception ex) { resp.Status = 500; resp.Description = $"Error: {ex.Message}"; resp.Data = null; } return(resp); }