public Task <HttpResponseMessage> Get()
        {
            var users = _service.GetAllIncludeDetails();
            List <UserRoleViewModel> listUsersRoles = new List <UserRoleViewModel>();

            foreach (var user in users)
            {
                var roles = _service.GetAllRoles(user.Id);
                listUsersRoles.Add(new UserRoleViewModel(user, roles));
            }
            return(CreateResponse(HttpStatusCode.OK, listUsersRoles));
        }