public async Task <IActionResult> AddRating([FromBody] RatingViewModel model)
        {
            if (ModelState.IsValid)
            {
                model.UserId = HttpContext.GetUserIdAsync();
                RatingModel rating = _mapper.Map <RatingViewModel, RatingModel>(model);
                await _ratingService.AddRatingByFilmIdAsync(rating);

                return(Ok());
            }
            return(BadRequest(ModelState));
        }