public async Task <IActionResult> getStatsByKey(Guid workoutId, string key)
        {
            if (workoutId == null || key == null)
            {
                return(NotFound());
            }

            User user = _userService.GetByEmail(User.Identity.Name);

            var workoutOptionsByKey = await _workoutService.GetWorkoutOptionByKey(user, workoutId, key);

            return(Ok(workoutOptionsByKey));
        }