public async Task <IActionResult> RecommendationsBySpotify(List <string> trackIds)
        {
            var recommendations = await _service.GetRecommendationsAsync(trackIds);

            if (recommendations == null)
            {
                Response.StatusCode = 500;
                return(View("Error"));
            }
            var recommendationsVm = _converterService.ConvertToRecommendationsVm(recommendations);

            return(View("Recommendations", recommendationsVm));
        }