public async Task <ActionResult> BecomeMember(int groupId) { var authUser = await BasicUserFacade.GetUserByNickNameAsync(User.Identity.Name); var addUserToGroupDto = new AddUserToGroupDto { UserId = authUser.Id, GroupId = groupId, IsAccepted = true }; await GroupGenericFacade.AddUserAsync(addUserToGroupDto); return(RedirectToAction("Index")); }