private void RejectUserFromProject(UserViewModel user)
        {
            _Service.RejectUserFromProject(user.ToUserModel(), _Project.ToProjectModel());

            PopulateUserLists(_Project);
        }
        private void RemoveUserFromProject(UserViewModel user)
        {
            _Service.LeaveProject(_Project.ToProjectModel(), user.ToUserModel());

            PopulateUserLists(_Project);
        }
        private void AcceptUserOnProject(UserViewModel user)
        {
            _Service.AcceptUserOnProject(user.ToUserModel(), _Project.ToProjectModel(), user.RequestedProjectRole);

            PopulateUserLists(_Project);
        }