public async Task <IActionResult> Create([FromBody] Model model)
        {
            if (model == null)
            {
                return(BadRequest());
            }

            if (model.ModelName == null ||
                model.Mark == null)
            {
                return(BadRequest());
            }

            Model added = await modelRepository.CreateAsync(model);

            return(CreatedAtRoute("GetModel", new { id = added.Id }, model));
        }